Tudor Zamfirescu
email: tuzamfirescu@gmail.com, Updated: 5 August 2024
email: tuzamfirescu@gmail.com, Updated: 5 August 2024
List of publications
1. On homothetic triangles (Roum.), Gaz. Mat. Fiz. B 10 (1959) 20-21.
2. Properties of arbitrary triangles and their circumscribed circles (Roum.), Gaz. Mat. Fiz. B 10 (1959) 346-350.
3. Applications of the three-perpendiculars-theorem (Roum.), Gaz. Mat. Fiz. B 12 (1961) 146-150.
4. Isogonal lines and rotated angles in a triangle (Roum., Hung.), Gaz. Mat. Fiz. B 14 (1963) 207-214.
5. Geometric constructions with ruler, compass, and trisector (Roum.), Stud. Cerc. Mat. 15 (1964) 405-411.
6. Note sur les hyperplans isogonaux d'un simplexe, Bull. Math. Soc. Sci. Math. Phys. R.P.R. 8 (1964) 317-320.
7. About the trisectors of a triangle (Roum., Hung.), Gaz. Mat. B 14 (1964) 483-485.
8. Sur quelques th or mes de G. Szekeres et S. Marcus concernant les fonctions monotones et convexes, Rev. Roum. Math. Pures Appl. 10 (1965) 81-90.
9. Simplicial convexity in vector spaces, Bull. Math. Soc. Sci. Math. Phys. R.P.R. 9 (1965) 137-149.
10. On teaching the similarity of triangles (Roum.) (with D. Papadopol), Gaz. Mat. A 70 (1965) 146-149.
11. On the fundamental lemmas of the Calculus of Variations, Rev. Roum. Math. Pures Appl. 10 (1965) 505-510.
12. Constructibility with ruler, compass, and trisector (Roum.), Gaz. Mat. A 70 (1965) 204-213.
13. Un probl me variationnel dans l'espace de Riemann (with T. Albu), Rev. Roum. Math. Pures Appl. 10 (1965) 1323-1330.
14. On the geodesics of a particular nondifferentiable manifold (Roum.), Gaz. Mat. A 70 (1965) 96-99.
15. On teaching the ellipse (Roum.), Gaz. Mat. A 70 (1965) 356-358.
16. Sur les fonctions du type K, Rev. Roum. Math. Pures Appl. 10 (1965) 1575-1582.
17. Caract risations des hypersurfaces convexes, Bull. Math. Soc. Sci. Math. R.S.R. 9 (1965) 247-252.
18. R ductibilit et s ries lin aires de corps convexes, L'Enseign. Math. 12 (1966) 57-67.
19. Constructions with ruler, compass, and trisector (Roum.), Gaz. Mat. A 71 (1966) 9-18.
20. Familles de corps associ s un corps convexe, Bull. Math. Soc. Sci. Math. R.S.R. 10 (1966) 397-412.
21. On pencils of diameters in convex bodies (with A. S. Besicovitch), Rev. Roum. Math. Pures Appl. 11 (1966) 637-639.
22. Sur les corps associ s un corps convexe, Rev. Roum. Math. Pures Appl. 12 (1966) 727-735.
23. Sur les s ries lin aires de corps convexes fronti res non diff rentiables et applications la r ductibilit , Rev. Roum. Math. Pures Appl. 11 (1966) 1015-1022.
24. Establishing Frenet's formulae (Roum.) (with Ch. Zamfirescu), Gaz. Mat. A 71 (1966) 371-374.
25. Two characterizations of simplices (Roum.), Gaz. Mat. A 71 (1966) 422-424.
26. Another kind of problems (Roum.), Gaz. Mat. A 71 (1966) 462-468.
27. Sur la r ductibilit des corps convexes, Math. Z. 95 (1967) 20-33.
28. Sur une fibration de l'espace des corps convexes (with P. Vincensini), C. R. Acad. Sci. Paris A-B 264 (1967) 510-511.
29. On l-simplicial convexity in vector spaces, Pacific J. Math. 22 (1967) 565-573.
30. Sur les familles continues de courbes I, Atti Accad. Naz. Lincei Rend. 42 (1967) 771-774.
31. Sur quelques questions de continuit li es la r ductibilit des corps convexes, Rev. Roum. Math. Pures Appl. 12 (1967) 989-998.
32. Sur les familles continues de courbes II, Atti Accad. Naz. Lincei Rend. 43 (1967) 13-17.
33. Reducibility of convex bodies, Proc. London Math. Soc. 17 (1967) 653-668.
34. Conditions n cessaires et suffisantes pur la r ductibilit des voisinages des corps convexes, Rev. Roum. Math. Pures Appl. 12 (1967) 1523-1527.
35. Th or me dual concernant les familles continues des courbes, Bull. Cl. Sci. Acad. Roy. Belg. 53 (1967) 1385-1391.
36. Sur les familles continues de courbes III, Atti Accad. Naz. Lincei Rend. 44 (1968) 639-642.
37. Sur les familles continues de courbes IV, Atti Accad. Naz. Lincei Rend. 44 (1968) 753-758.
38. Sur les points multiples d'une famille continue de courbes, Rend. Circ. Mat. Palermo 18 (1969) 103-112.
39. On a theorem of Chartrand, Kapoor and Kronk, Rend. Circ. Mat. Palermo 18 (1969) 319-322.
40. Les courbes ferm es doubles sans points triples associ es une famille continue, Israel J. Math. 7 (1969) 69-89.
41. On planar continuous families of curves, Canad. J. Math. 21 (1969) 513-530.
42. The simplicial convexity of convex surfaces, Rev. Roum. Math. Pures Appl. 14 (1969) 889-897.
43. Sur quelques g n ralisations par F. Browder du principe de contraction de Picard-Banach, Atti Accad. Naz. Lincei Rend. 49 (1970) 11-16.
44. On the line-connectivity of line-graphs, Math. Ann. 187 (1970) 305-309.
45. Convexit par rapport une famille continue de courbes I, Atti Accad. Naz. Lincei Rend. 50 (1971) 625-629.
46. Area contractions in the plane, Rend. Sem. Mat. Univ. Padova 46 (1971) 49-52.
47. Convexit par rapport une famille continue de courbes II, Atti Accad. Naz. Lincei Rend. 51 (1971) 127-132.
48. On k-path hamiltonian graphs and line-graphs, Rend. Sem. Mat. Univ. Padova 46 (1971) 385-389.
49. Trois caract risations des ensembles convexes, Ist. Veneto Sci. Lett. Atti Cl. Sci. Mat. Natur. 130 (1971/72) 377-384.
50. A two-connected planar graph without concurrent longest paths, J. Combin. Theory B 13 (1972) 116-121.
51. Fix point theorems in metric spaces, Arch. Math. 23 (1972) 292-298.
52. On k-path hamiltonian line-graphs, Rend. Ist. Mat. Univ. Trieste 4 (1972) 123-129.
53. A theorem on fixed points, Atti Accad. Naz. Lincei Rend. 52 (1972) 832-834.
54. Generalizations of Banach's fixed point theorem, Atti Accad. Naz. Lincei Rend. 53 (1972) 329-333.
55. Sur les familles continues de courbes V, Atti Accad. Naz. Lincei Rend. 53 (1972) 505-507.
56. On k-path hamiltonian graphs, Boll. Unione Mat. Ital. 6 (1972) 61-66.
57. Some fixed point theorems in metric spaces, Atti Accad. Sci. Ist. Bologna 9 (1972) 86-93.
58. Two characterizations of the reducible convex bodies, Abh. Math. Sem. Univ. Hamburg 39 (1973) 69-75.
59. Propri t s g om triques des ensembles simplicialement convexes, Atii Accad. Sci. Ist. Bologna 10 (1973) 73-77.
60. A characterization of hamiltonian graphs, Atti Accad. Sci. Ist. Bologna 1 (1974) 39-40.
61. On spanning and expanding stars, Atti Accad. Sci. Ist. Bologna 1 (1974) 41-47.
62. Les Partages d'un Polygone Convexe en 4 Polygones Semblables au Premier (with G. Valette), J. Combin. Theory B 16 (1974) 1-16.
63. Fixed points and contraction theorems in metric spaces, Aequat. Math. 11 (1974) 138-142.
64. Metric spaces consisting of classes of convex bodies, Rend. Ist. Mat. Univ. Trieste 7 (1975) 128-136.
65. L'histoire et l' tat pr sent des bornes connues pour $P^j_k$, $C^j_k$, $\overline{P}^{j}_k$ et $\overline{C}^j_k$, Cahiers du CERO 17 (1975) 427-439.
66. Graphen, in welchen je zwei Eckpunkte von einem l ngsten Weg vermieden werden, Ann. Univ. Ferrara 21 (1975) 17-24.
67. On longest paths and circuits in graphs, Math. Scand. 38 (1976) 211-239.
68. Quelques questions sur les familles continues de courbes, in "Convex Geometry", Vrije Universiteit Brussel (1977) 31-35.
69. Generalized contractions and fixed points in metric spaces, Rend. Sem. Mat. Univ. Politecn. Torino 36 (1978) 191-204.
70. Sulle famiglie continue di curve VII, Rend. Sem. Mat. Univ. Politecn. Torino 36 (1978) 183-190.
71. Spreads, Abh. Math. Sem. Univ. Hamburg 50 (1980) 238-253.
72. Rectangular convexity (with R. Blind and G. Valette), Geom. Dedicata 9 (1980) 317-327.
73. Nonhamiltonian cubic graphs with isomorphic faces embedded in planar manifolds, in "Zweites Kolloquium ber Diskrete Geometrie", Universit t Salzburg (1980) 236-244.
74. The curvature of most convex surfaces vanishes almost everywhere, Math. Z. 174 (1980) 135-139.
75. Nonexistence of curvature in most points of most convex surfaces, Math. Ann. 252 (1980) 217-219.
76. Inscribed and circumscribed circles to convex curves, Proc. Amer. Math. Soc. 80 (1980) 455-457.
77. Three small cubic graphs with interesting hamiltonian properties, J. Graph Theory 4 (1980) 287-292.
78. Most monotone functions are singular, Amer. Math. Monthly 88 (1981) 47-49.
79. On continuous families of curves VI, Geom. Dedicata 10 (1981) 205-217.
80. Intersections of tangent convex curves, J. Austral. Math. Soc. A 31 (1981) 456-458.
81. Bihomogeneously traceable oriented graphs (with S. Hahn), Rend. Sem. Mat. Univ. Politecn. Torino 39 (1981) 137-145.
82. Many endpoints and few interior points of geodesics, Invent. Math. 69 (1982) 253-257.
83. Shortness exponents for polytopes which are $k$-gonal modulo $n$ (with M. Schmidt), J. Combin. Theory B 33 (1982) 101-120.
84. Most convex mirrors are magic, Topology 21 (1982) 65-69.
85. Intersecting diameters in convex bodies, Ann. Discrete Math. 20 (1984) 311-316.
86. Convergence to fixed points in normed linear spaces, Math. Japon. 29 (1984) 63-67.
87. Typical monotone continuous functions, Arch. Math. 42 (1984) 151-156.
88. Points on infinitely many normals to convex surfaces, J. Reine Angew. Math. 350 (1984) 183-187.
89. Continuous families of smooth curves and Gr nbaum's conjecture (with A. Zucco), Can. Math. Bull. 27 (1984) 345-350.
90. Ellipso des et hyperbolo des g n ralis s, Atti Accad. Sci. Torino Cl. Sci. Fis. Mat. Nat. 118 (1984) 314-324.
91. Interiors of uniform size in Steinitz's theorem (with J. Reay), in "Drittes Kolloquium ber Diskrete Geometrie", Universit t Salzburg (1985) 319-328.
92. Using Baire categories in Geometry, Rend. Sem. Mat. Univ. Politecn. Torino 43 (1985) 67-88.
93. Convex curves in gear, Acta Math. Hung. 46 (1985) 297-300.
94. Sur les graphes tracables les moins hamiltoniens (with A. Zucco), Math. Japon. 31 (1986) 493-502.
95. Nearly all convex bodies are smooth and strictly convex, Monatsh. Math. 103 (1987) 57-62.
96. Typical convex curves on convex surfaces, Monatsh. Math. 103 (1987) 241-247.
97. Typical convex sets of convex sets (with T. Schwarz), J. Austral. Math. Soc. 43 (1987) 287-290.
98. A characterization theorem for certain unions of two starshaped sets in $\rm I\!R^2$ (with M. Breen), Geom. Dedicata 6 (1987) 59-103.
99. How many sets are porous?, Proc. Amer. Math. Soc. 100 (1987) 383-387.
100. Typical starshaped sets, Aequat. Math. 36 (1988) 188-200.
101. Curvature properties of typical convex surfaces, Pacific J. Math. 131 (1988) 191-207.
102. An infinitesimal version of the Besicovitch-Danzer characterization of the circle, Geom. Dedicata 27 (1988) 209-212.
103. Too long shadow boundaries, Proc. Amer. Math. Soc. 103 (1988) 587-590.
104. Ghosts are scarce (with A. Volcic), J. London Math. Soc. 40 (1989) 171-178.
105. Description of most starshaped surfaces, Math. Proc. Cambridge Phil. Soc. 106 (1989) 245-251.
106. Porosity in Convexity, Real Analysis Exch. 15 (1989/90) 424-436.
107. Nondifferentiability properties of the nearest point mapping, J. Analyse Math. 54 (1990) 90-98.
108. Diameters in typical convex bodies (with I. Bárány), Canad. J. Math. 42 (1990) 50-61.
109. Generic properties of compact starshaped sets (with P. Gruber), Proc. Amer. Math. Soc. 108 (1990) 207-214.
110. The nearest point mapping is single valued nearly everywhere, Archiv Math. 54 (1990) 563-566.
111. Baire categories in Convexity, Atti Sem. Mat. Fis. Univ. Modena 39 (1991) 139-164.
112. On two conjectures of Franz Hering about convex surfaces, Discrete Comput. Geom. 6 (1991) 171-180.
113. Every arrangement extends to a spread (with J. Goodman, R. Pollack and R. Wenger), in "Proc. Third Annual Canad. Conf. on Comput. Geom." (1991) 191-194.
114. Conjugate points on convex surfaces, Mathematika 38 (1991) 312-317.
115. Hamiltonian properties of grid graphs (with Ch. Zamfirescu), SIAM J. Discrete Math. 5 (1992) 564-570.
116. The level set structure of nearly all real continuous functions (with P. M. Gandini), Rend. Circ. Mat. Palermo, Suppl. 39 (1992) 407-414.
117. Long geodesics on convex surfaces, Math. Ann. 293 (1992) 109-114.
118. There is a universal topological plane (with J. Goodman, R. Pollack and R. Wenger), in "Proc. Eighth Annual ACM Symposium on Comput. Geometry, Berlin, June 1992", 171-176.
119. Segments et g od siques sur les surfaces convexes typiques, in "Travaux des Journ es de G om trie Convexe et Optimisation, Valencienne - Li ge, 1992".
120. Invariance of convex sets under linear transformations (with G. Sierksma and V. Soltan), Lin. and Multilin. Algebra 35 (1993) 37-47.
121. A generic view on the theorems of Brouwer and Schauder, Math. Z. 213 (1993) 387-392.
122. On the curvatures of convex curves of constant width, Atti Sem. Mat. Fis. Univ. Modena 42 (1994) 253-256.
123. Every arrangement extends to a spread (with J. Goodman, R. Pollack and R. Wenger), Combinatorica 14 (1994) 301-306.
124. Arrangements and topological planes (with J. Goodman, R. Pollack and R. Wenger), Amer. Math. Monthly 101 (1994) 866-878.
125. A characterization of 3-dimensional convex sets with an infinite X-ray number (with K. Bezdek), in "Coll. Math. Soc. J. Bolyai: 63. Intuitive Geometry, Szeged, 1991" (1994) 33-38.
126. For most Convex Discs Thinnest Covering is not Lattice-like (with G. Fejes-T th), in "Coll. Math. Soc. J. Bolyai: 63. Intuitive Geometry, Szeged, 1991" (1994) 105-108.
127. On some questions about convex surfaces, Math. Nachrichten 172 (1995) 313-324.
128. How to hold a convex body?, Geom. Dedicata 54 (1995) 313-316.
129. Most homeomorphisms of the circle are semiperiodic (with G. Craciun, P. Horja and M. Prunescu), Archiv Math. 64 (1995) 452-458.
130. How do convex bodies sit?, Mathematika 42 (1995) 178-181.
131. A characterization of infinite, bipartite Toeplitz graphs (with R. Euler and H. Le Verge), in: "Combinatorics and Graph Theory '95" 1 (1995) 119-130.
132. From melons to bananas (Roum.), Gaz. Mat. 100 (1995) 487-491.
133. G od siques et lieux de coupure sur les surfaces convexes typiques, An. Şt. Univ. Ovidius Constanţa 3 (1995) 167-173.
134. Points joined by three shortest paths on convex surfaces, Proc. Amer. Math. Soc. 123 (1995) 3513-3518.
135. Conjugate points and closed geodesic arcs on convex surfaces, Geom. Dedicata 62 (1996) 99-105.
136. Hamiltonian properties of Toeplitz graphs (with R. van Dal, G. Tijssen, Zs. Tuza, J. van der Veen and Ch. Zamfirescu), Discrete Math. 159 (1996) 69-81.
137. Intersections of longest cycles in grid graphs (with B. Menke and Ch. Zamfirescu), J. Graph Theory 25 (1997) 37-52.
138. Closed geodesic arcs in Aleksandrov spaces, Rend. Circ. Mat. Palermo Suppl. 50 (1997) 425-430.
139. The dimension print of most convex surfaces (with G. Craciun), Monatsh. Math. 123 (1997) 203-207.
140. Convex bodies instead of needles in Buffon's experiment (with A. Aleman and M. Stoka), Geom. Dedicata 67 (1997) 301-308.
141. Farthest points on convex surfaces, Math. Z. 226 (1997) 623-630.
142. The typical number is a lexicon (with C. Calude), New Zealand J. Math. 27 (1998) 7-13.
143. Extreme points of the distance function on convex surfaces, Trans. Amer. Math. Soc. 350 (1998) 1395-1406.
144. Cardinality of the metric projection on typical compact sets in Hilbert spaces (with F. De Blasi), Math. Proc. Cambridge Phil. Soc. 126 (1999) 37-44.
145. Most numbers obey no probability laws (with C. Calude), Publ. Math. Debrecen 54 Suppl. (1999) 619-623.
146. Tiling the pentagon (with R. Ding and D. Schattschneider), Discrete Math. 221 (2000) 113-124.
147. Hamiltonian Cycles in T--Graphs (with J. Reay), Discrete Comput. Geom. 24 (2000) 497-502.
148. On a theorem of Deutsch and Singer, Set-Valued Analysis 8, 3 (2000) 295-297.
149. Dense ambiguous loci and residual cut loci, Rend. Circ. Mat. Palermo Suppl. 65 (2000) 203-208.
150. Acute triangulations (with Th. Hangan and J. Itoh), Bull. Math. Soc. Sc. Math. Roumanie 43, 3-4 (2000) 279-286.
151. Intersecting longest paths or cycles: a short survey, Analele Univ. Craiova, Ser. Mat.-Inf., 28 (2001) 1-9.
152. On the length of the cut locus on surfaces (with J. Itoh), Rend. Circ. Mat. Palermo Suppl. 70 (2002) 53-58.
153. Acute triangulations of triangles on the sphere (with J. Itoh), Rend. Circ. Mat. Palermo Suppl. 70 (2002) 59-64.
154. Acute triangulations: a short survey, Proc. 6th Annual Conference Romanian Soc. Math. Sciences I (2002) 10-18.
155. Total curvature and spiralling shortest paths (with I. Bárány and K. Kuperberg), Discrete Comp. Geom. 30 (2003) 167-176.
156. Qualitative infinite version of Erd s' problem about empty polygons, in: Goodman-Pollack Festschrift (2003) 849-853.
157. Acute triangulations of the regular icosahedral surface (with J. Itoh), Discrete Comput. Geom. 31 (2004) 197-206.
158. On the cut locus in Alexandrov spaces and applications to convex surfaces, Pacific J. Math. 217 (2004) 375-386.
159. Extending Stechkin's theorem and beyond, Abstract Appl. Analysis 2004 (2004) 255-258.
160. On the length of the cut locus for finitely many points (with J. Itoh), Adv. Geom., 5 (2005) 97-106.
161. The strange aspect of most compacta, J. Math. Soc. Japan 57, 3 (2005) 701-708.
162. On the perimeter of a triangle in a Minkowski plane (with H. Maehara), Amer. Math. Monthly 112 (2005) 521-522.
163. Simplices passing through a hole (with J. Itoh), J. Geom. 83 (2005) 65-70.
164. Symmetry and the farthest point mapping on convex surfaces (with C. Vîlcu), Adv. Geom. 6 (2006) 379-387.
165. On the number of shortest paths between points on manifolds, Rend. Circ. Mat. Palermo Suppl. 77 (2006) 643-647.
166. Tetrahedra passing through a circular or square hole (with J. Itoh and Y. Tanoue), Rend. Circ. Mat. Palermo Suppl. 77 (2006) 349-354.
167. On the critical points of a Riemannian surface, Adv. Geom. 6 (2006) 493-500.
168. Acute triangulations of the regular dodecahedral surface (with J. Itoh), Eur. J. Comb. 28 (2007) 1072-1086.
169. Multiple farthest points on Alexandrov surfaces (with C. Vîlcu), Adv. Geom. 7 (2007) 83-100.
170. Acute triangulations of flat M bius strips (with L. Yuan), Discrete Comput. Geom. 37 (2007) 671-676.
171. A planar hypohamiltonian graph on 48 vertices (with C. T. Zamfirescu), J. Graph Theory 55, 4 (2007) 338-342.
172. Hamiltonicity of topological grid graphs (with Ch. Zamfirescu), J. Universal Comp. Sci. 13 (2007) 1791-1800.
173. Antipodal trees and mutually critical points on surfaces, Adv. Geom. 7 (2007) 385-390.
174. Viewing and realizing diameters, J. Geom. 88, 1-2 (2008) 194-199.
175. Minkowski's theorem for arbitrary convex sets, Eur. J. Comb. 29 (2008) 1956-1958.
176. Polytopes passing through circles, Periodica Math. Hung. 57 (2008) 227-230.
177. Some remarks on simple closed geodesics of surfaces with ends (with J. Itoh and F. Ohtsuka), Bull. Math. Soc. Sci. Math. Roumanie 52, 3 (2009) 311-319.
178. Hamiltonian properties of generalized Halin graphs (with S. Malik and A. M. Qureshi), Can. Math. Bull. 52 (2009) 416-423.
179. The Majority in Convexity. Part I: Smoothness, Curvature and Consequences, Editura Univ. Bucuresti (2009).
180. Hamiltonian Connectedness in Directed Toeplitz Graphs (with S. Malik), Bull. Math. Soc. Sc. Math. Roumanie 53, 2 (2010) 145-156.
181. Non-expanding mappings in graphs, Adv. Appl. Math. Sci. 6 (2010) 23-32.
182. Pushing convex and other bodies through rings and holes, An. Univ. Vest Timisoara, Ser. Mat.-Inf. 48, 1-2 (2010) 299-306.
183. Paolo Pizzetti: The forgotten originator of triangle comparison geometry (with V. Pambuccian), Historia Math. 38, 3 (2011) 415-422.
184. Moderation of convex bodies (with J. Itoh), J. Convex Analysis 18, 3 (2011) 865-872.
185. Hamiltonian properties of generalized pyramids (with C. T. Zamfirescu), Math. Nachr. 284, 13 (2011) 1739-1747.
186. Acute triangulations of double planar convex bodies (with L. Yuan), Publ. Math. Debrecen 81, 1-2 (2012) 121-126.
187. Large Curvature on Typical Convex Surfaces (with K. Adiprasito), J. Convex Analysis 19, 2 (2012) 385-391.
188. On Longest Paths in Triangular Lattice Graphs (with A. D. Jumani), Utilitas Math. 89 (2012) 269-273.
189. Planar Lattice Graphs with Gallai's Property (with F. Nadeem and A. Shabbir), Graphs Combin. 29 (2013) 1523-1529.
190. On Planar Toeplitz Graphs (with R. Euler), Graphs Combin. 29 (2013) 1311-1327.
191. Highly non-concurrent longest cycles in lattice graphs (with A. Shabbir), Discrete Math. 313 (2013) 1908-1914.
192. Every point is critical (with I. Bárány, J. Itoh, and C. Vîlcu), Adv. Math. 235 (2013) 390-397.
193. Lattice graphs with Gallai's property (with Y. Bashir), Bull. Math. Soc. Sci. Math. Roumanie 56, 1 (2013) 65-71.
194. Hamiltonicity of cubic 3-connected k-Halin graphs (with S. Malik and A. M. Qureshi), Electron. J. Combin. 20, 1 (2013) #P66.
195. Intersecting longest paths and longest cycles: A survey (with A. Shabbir and C. T. Zamfirescu), Electron. J. Graph Theory Appl. 1, 1 (2013) 56-76.
196. Balanced triangulations (with L. Jia, L. Yuan, and C. T. Zamfirescu), Discrete Math. 313 (2013) 2178-2191.
197. Circles holding typical convex bodies (with I. Bárány), Libertas Math. 33 (2013) 21-25.
198. Holding Circles and Fixing Frames (with I. Bárány), Discrete Comput. Geom. 50 (2013) 1101-1111.
199. Typical simplicially convex bodies, Adv. Geom. 14 (2014) 109-115.
200. Lattice graphs with non-concurrent longest cycles (with A. D. Jumani and C. T. Zamfirescu), Rend. Sem. Mat. Univ. Padova 132 (2014) 75-82.
201. Right convexity, J. Convex Analysis 21 (2014) 253-260.
202. Hamiltonian connectedness of Toeplitz graphs (with F. Nadeem and A. Shabbir), Mathematics in the 21st Century 6th World Conference, Lahore, March 2013, Springer proceedings in Mathematics and statistics 98 (2014) 135-149.
203. Few Alexandrov Surfaces are Riemann (with K. Adiprasito), J. Nonlinear and Convex Analysis 16 (2015) 1147-1153.
204. When is a Disk Trapped by Four Lines? (with L. Montejano), Graphs Combin. 31 (2015) 467-476.
205. Acute Triangulations of Archimedean Surfaces. The Truncated Tetrahedron (with X. Feng and L. Yuan), Bull. Math. Soc. Sci. Math. Roumanie 58 (2015) 271-282.
206. Right triple convex completion (with L. Yuan), J. Convex Analysis 22 (2015) 291-301.
207. Escaping from a cage, Libertas Math. 35 (2015) 43-49.
208. Dissecting the square into five congruent parts (with L. Yuan and C. T. Zamfirescu), Discrete Math. 339 (2016) 288-298.
209. Hamiltonicity in k-tree-Halin Graphs (with A. Shabbir), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 59-68.
210. Six Problems on the Length of the Cut Locus (with C. Vîlcu), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 257-259.
211. Two Problems on Cages for Discs (with L. Montejano), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 263-264.
212. Right Triple Convexity (with L. Yuan), J. Convex Analysis 23 (2016) 1219-1246.
213. Fault-Tolerant Designs in Triangular Lattice Networks (with A. Shabbir), Appl. Anal. Discrete Math. 10 (2016) 447-456.
214. Gallai s property for graphs in lattices on the torus and the M bius strip (with A. Shabbir), Period. Math. Hung. 72 (2016) 1-11.
215. Isosceles triple convexity (with L. Yuan and Y. Zhang), Carpathian J. Math. 33 (2017) 127-139.
216. Fixed Chords and Discs in Convex Bodies, Fixed Point Theory 18 (2017) 407-412.
217. Selfishness of convex bodies (with L. Yuan), J. Nonlinear Convex Anal. 18 (2017) 525-534.
218. Right quadruple convexity (with D. Li and L. Yuan), Ars Math. Contemp. 14 (2018) 25-38.
219. Every graph occurs as an induced subgraph of some hypohamiltonian graph (with C. T. Zamfirescu), J. Graph Theory 88 (2018) 551-557.
220. Critical points on convex surfaces, Results Math. 73 (2018) Article 19.
221. The Katchalski-Lewis Transversal Problem for Regular Polygons (with Q. Du and L. Yuan), Acta Math. Hungar. 155 (2018) 104-129.
222. Rupert Property of Archimedean Solids (with Y. Chai and L. Yuan), Amer. Math. Monthly 125 (2018) 497-504.
223. Mathematics Almost Everywhere. In Memory of Solomon Marcus (coedited with A. Bellow and C. S. Calude), World Scientific Publishing Co., Singapore (2018).
224. Selfishness of convex bodies and discrete point sets (with L. Yuan and Y. Zhang), Europ. J. Combin. 80 (2019) 416-431.
225. Double normals of most convex bodies (with A. Rivi re, J. Rouyer, and C. Vîlcu), Adv. Math. 343 (2019) 245-272.
226. Tetrahedral and pentahedral cages for discs (with L. Yuan), Ars Math. Contemp. 17 (2019) 255-270.
227. Cages of Small Length Holding Convex Bodies (with A. Fruchard), Discrete Comput. Geom. 64 (2020) 814-837.
228. Locating Diametral Points (with J. Itoh, C. Vîlcu, and L. Yuan), Results Math. 75 (2020) Article Number: 68.
229. The Property of Hamiltonian Connectedness in Toeplitz Graphs (with A. Shabbir and M. F. Nadeem), Complexity (2020) Article ID 5608720.
230. With respect to whom are you critical? (with J. Itoh and C. Vîlcu), Adv. Math. 369 (2020) Article ID 107187.
231. Poidge-Convexity (with B. Wang and L. Yuan), J. Convex Analysis 28 (2021), No. 4, 1155-1170.
232. Tetrahedral cages for unit discs (with L. Yuan and Y. Zhang), Adv. Geom. (2021) Online First.
233. Generous Sets (with A. Fruchard and L. Yuan), J. Convex Analysis 28, No. 4 (2021) 1265-1280.
234. Extending and Paralleling Stechkin's Category Theorem, Topol. Methods Nonlinear Analysis 58 (2021) 97-103.
235. Ellipses surrounding convex bodies, An. Şt. Univ. Ovidius Constanţa 30, No. 2 (2022) 273-282.
236. Zero forcing density of Archimedean tiling graphs (with P. Shen and L. Yuan), Bull. Math. Soc. Sci. Math. Roumanie 65 (113), No. 4 (2022) 449-462.
237. Thin Right Triangle Convexity (with X. Nie and L. Yuan), Mathematics 2022, 10, 4170.
238. Right Quadruple Convexity of Complements (with X. He and L. Yuan), Mathematics 2023, 11, 84.
239. Generalized Rectangular Convexity (with L. Yuan), Acta Math. Sinica, English Series 39, No. 9 (2023) 1795-1804.
240. The length of the cut locus on convex surfaces (with L. Yuan), Izvestiya: Mathematics 88, No. 3 (2024) 590-600.
241. Poidge-convexity in triangular lattices (with B. Wang and L. Yuan), Appl. Math. Comput. 474 (2024) Article nr. 128656.
Curriculum Vitae
1. On homothetic triangles (Roum.), Gaz. Mat. Fiz. B 10 (1959) 20-21.
2. Properties of arbitrary triangles and their circumscribed circles (Roum.), Gaz. Mat. Fiz. B 10 (1959) 346-350.
3. Applications of the three-perpendiculars-theorem (Roum.), Gaz. Mat. Fiz. B 12 (1961) 146-150.
4. Isogonal lines and rotated angles in a triangle (Roum., Hung.), Gaz. Mat. Fiz. B 14 (1963) 207-214.
5. Geometric constructions with ruler, compass, and trisector (Roum.), Stud. Cerc. Mat. 15 (1964) 405-411.
6. Note sur les hyperplans isogonaux d'un simplexe, Bull. Math. Soc. Sci. Math. Phys. R.P.R. 8 (1964) 317-320.
7. About the trisectors of a triangle (Roum., Hung.), Gaz. Mat. B 14 (1964) 483-485.
8. Sur quelques th or mes de G. Szekeres et S. Marcus concernant les fonctions monotones et convexes, Rev. Roum. Math. Pures Appl. 10 (1965) 81-90.
9. Simplicial convexity in vector spaces, Bull. Math. Soc. Sci. Math. Phys. R.P.R. 9 (1965) 137-149.
10. On teaching the similarity of triangles (Roum.) (with D. Papadopol), Gaz. Mat. A 70 (1965) 146-149.
11. On the fundamental lemmas of the Calculus of Variations, Rev. Roum. Math. Pures Appl. 10 (1965) 505-510.
12. Constructibility with ruler, compass, and trisector (Roum.), Gaz. Mat. A 70 (1965) 204-213.
13. Un probl me variationnel dans l'espace de Riemann (with T. Albu), Rev. Roum. Math. Pures Appl. 10 (1965) 1323-1330.
14. On the geodesics of a particular nondifferentiable manifold (Roum.), Gaz. Mat. A 70 (1965) 96-99.
15. On teaching the ellipse (Roum.), Gaz. Mat. A 70 (1965) 356-358.
16. Sur les fonctions du type K, Rev. Roum. Math. Pures Appl. 10 (1965) 1575-1582.
17. Caract risations des hypersurfaces convexes, Bull. Math. Soc. Sci. Math. R.S.R. 9 (1965) 247-252.
18. R ductibilit et s ries lin aires de corps convexes, L'Enseign. Math. 12 (1966) 57-67.
19. Constructions with ruler, compass, and trisector (Roum.), Gaz. Mat. A 71 (1966) 9-18.
20. Familles de corps associ s un corps convexe, Bull. Math. Soc. Sci. Math. R.S.R. 10 (1966) 397-412.
21. On pencils of diameters in convex bodies (with A. S. Besicovitch), Rev. Roum. Math. Pures Appl. 11 (1966) 637-639.
22. Sur les corps associ s un corps convexe, Rev. Roum. Math. Pures Appl. 12 (1966) 727-735.
23. Sur les s ries lin aires de corps convexes fronti res non diff rentiables et applications la r ductibilit , Rev. Roum. Math. Pures Appl. 11 (1966) 1015-1022.
24. Establishing Frenet's formulae (Roum.) (with Ch. Zamfirescu), Gaz. Mat. A 71 (1966) 371-374.
25. Two characterizations of simplices (Roum.), Gaz. Mat. A 71 (1966) 422-424.
26. Another kind of problems (Roum.), Gaz. Mat. A 71 (1966) 462-468.
27. Sur la r ductibilit des corps convexes, Math. Z. 95 (1967) 20-33.
28. Sur une fibration de l'espace des corps convexes (with P. Vincensini), C. R. Acad. Sci. Paris A-B 264 (1967) 510-511.
29. On l-simplicial convexity in vector spaces, Pacific J. Math. 22 (1967) 565-573.
30. Sur les familles continues de courbes I, Atti Accad. Naz. Lincei Rend. 42 (1967) 771-774.
31. Sur quelques questions de continuit li es la r ductibilit des corps convexes, Rev. Roum. Math. Pures Appl. 12 (1967) 989-998.
32. Sur les familles continues de courbes II, Atti Accad. Naz. Lincei Rend. 43 (1967) 13-17.
33. Reducibility of convex bodies, Proc. London Math. Soc. 17 (1967) 653-668.
34. Conditions n cessaires et suffisantes pur la r ductibilit des voisinages des corps convexes, Rev. Roum. Math. Pures Appl. 12 (1967) 1523-1527.
35. Th or me dual concernant les familles continues des courbes, Bull. Cl. Sci. Acad. Roy. Belg. 53 (1967) 1385-1391.
36. Sur les familles continues de courbes III, Atti Accad. Naz. Lincei Rend. 44 (1968) 639-642.
37. Sur les familles continues de courbes IV, Atti Accad. Naz. Lincei Rend. 44 (1968) 753-758.
38. Sur les points multiples d'une famille continue de courbes, Rend. Circ. Mat. Palermo 18 (1969) 103-112.
39. On a theorem of Chartrand, Kapoor and Kronk, Rend. Circ. Mat. Palermo 18 (1969) 319-322.
40. Les courbes ferm es doubles sans points triples associ es une famille continue, Israel J. Math. 7 (1969) 69-89.
41. On planar continuous families of curves, Canad. J. Math. 21 (1969) 513-530.
42. The simplicial convexity of convex surfaces, Rev. Roum. Math. Pures Appl. 14 (1969) 889-897.
43. Sur quelques g n ralisations par F. Browder du principe de contraction de Picard-Banach, Atti Accad. Naz. Lincei Rend. 49 (1970) 11-16.
44. On the line-connectivity of line-graphs, Math. Ann. 187 (1970) 305-309.
45. Convexit par rapport une famille continue de courbes I, Atti Accad. Naz. Lincei Rend. 50 (1971) 625-629.
46. Area contractions in the plane, Rend. Sem. Mat. Univ. Padova 46 (1971) 49-52.
47. Convexit par rapport une famille continue de courbes II, Atti Accad. Naz. Lincei Rend. 51 (1971) 127-132.
48. On k-path hamiltonian graphs and line-graphs, Rend. Sem. Mat. Univ. Padova 46 (1971) 385-389.
49. Trois caract risations des ensembles convexes, Ist. Veneto Sci. Lett. Atti Cl. Sci. Mat. Natur. 130 (1971/72) 377-384.
50. A two-connected planar graph without concurrent longest paths, J. Combin. Theory B 13 (1972) 116-121.
51. Fix point theorems in metric spaces, Arch. Math. 23 (1972) 292-298.
52. On k-path hamiltonian line-graphs, Rend. Ist. Mat. Univ. Trieste 4 (1972) 123-129.
53. A theorem on fixed points, Atti Accad. Naz. Lincei Rend. 52 (1972) 832-834.
54. Generalizations of Banach's fixed point theorem, Atti Accad. Naz. Lincei Rend. 53 (1972) 329-333.
55. Sur les familles continues de courbes V, Atti Accad. Naz. Lincei Rend. 53 (1972) 505-507.
56. On k-path hamiltonian graphs, Boll. Unione Mat. Ital. 6 (1972) 61-66.
57. Some fixed point theorems in metric spaces, Atti Accad. Sci. Ist. Bologna 9 (1972) 86-93.
58. Two characterizations of the reducible convex bodies, Abh. Math. Sem. Univ. Hamburg 39 (1973) 69-75.
59. Propri t s g om triques des ensembles simplicialement convexes, Atii Accad. Sci. Ist. Bologna 10 (1973) 73-77.
60. A characterization of hamiltonian graphs, Atti Accad. Sci. Ist. Bologna 1 (1974) 39-40.
61. On spanning and expanding stars, Atti Accad. Sci. Ist. Bologna 1 (1974) 41-47.
62. Les Partages d'un Polygone Convexe en 4 Polygones Semblables au Premier (with G. Valette), J. Combin. Theory B 16 (1974) 1-16.
63. Fixed points and contraction theorems in metric spaces, Aequat. Math. 11 (1974) 138-142.
64. Metric spaces consisting of classes of convex bodies, Rend. Ist. Mat. Univ. Trieste 7 (1975) 128-136.
65. L'histoire et l' tat pr sent des bornes connues pour $P^j_k$, $C^j_k$, $\overline{P}^{j}_k$ et $\overline{C}^j_k$, Cahiers du CERO 17 (1975) 427-439.
66. Graphen, in welchen je zwei Eckpunkte von einem l ngsten Weg vermieden werden, Ann. Univ. Ferrara 21 (1975) 17-24.
67. On longest paths and circuits in graphs, Math. Scand. 38 (1976) 211-239.
68. Quelques questions sur les familles continues de courbes, in "Convex Geometry", Vrije Universiteit Brussel (1977) 31-35.
69. Generalized contractions and fixed points in metric spaces, Rend. Sem. Mat. Univ. Politecn. Torino 36 (1978) 191-204.
70. Sulle famiglie continue di curve VII, Rend. Sem. Mat. Univ. Politecn. Torino 36 (1978) 183-190.
71. Spreads, Abh. Math. Sem. Univ. Hamburg 50 (1980) 238-253.
72. Rectangular convexity (with R. Blind and G. Valette), Geom. Dedicata 9 (1980) 317-327.
73. Nonhamiltonian cubic graphs with isomorphic faces embedded in planar manifolds, in "Zweites Kolloquium ber Diskrete Geometrie", Universit t Salzburg (1980) 236-244.
74. The curvature of most convex surfaces vanishes almost everywhere, Math. Z. 174 (1980) 135-139.
75. Nonexistence of curvature in most points of most convex surfaces, Math. Ann. 252 (1980) 217-219.
76. Inscribed and circumscribed circles to convex curves, Proc. Amer. Math. Soc. 80 (1980) 455-457.
77. Three small cubic graphs with interesting hamiltonian properties, J. Graph Theory 4 (1980) 287-292.
78. Most monotone functions are singular, Amer. Math. Monthly 88 (1981) 47-49.
79. On continuous families of curves VI, Geom. Dedicata 10 (1981) 205-217.
80. Intersections of tangent convex curves, J. Austral. Math. Soc. A 31 (1981) 456-458.
81. Bihomogeneously traceable oriented graphs (with S. Hahn), Rend. Sem. Mat. Univ. Politecn. Torino 39 (1981) 137-145.
82. Many endpoints and few interior points of geodesics, Invent. Math. 69 (1982) 253-257.
83. Shortness exponents for polytopes which are $k$-gonal modulo $n$ (with M. Schmidt), J. Combin. Theory B 33 (1982) 101-120.
84. Most convex mirrors are magic, Topology 21 (1982) 65-69.
85. Intersecting diameters in convex bodies, Ann. Discrete Math. 20 (1984) 311-316.
86. Convergence to fixed points in normed linear spaces, Math. Japon. 29 (1984) 63-67.
87. Typical monotone continuous functions, Arch. Math. 42 (1984) 151-156.
88. Points on infinitely many normals to convex surfaces, J. Reine Angew. Math. 350 (1984) 183-187.
89. Continuous families of smooth curves and Gr nbaum's conjecture (with A. Zucco), Can. Math. Bull. 27 (1984) 345-350.
90. Ellipso des et hyperbolo des g n ralis s, Atti Accad. Sci. Torino Cl. Sci. Fis. Mat. Nat. 118 (1984) 314-324.
91. Interiors of uniform size in Steinitz's theorem (with J. Reay), in "Drittes Kolloquium ber Diskrete Geometrie", Universit t Salzburg (1985) 319-328.
92. Using Baire categories in Geometry, Rend. Sem. Mat. Univ. Politecn. Torino 43 (1985) 67-88.
93. Convex curves in gear, Acta Math. Hung. 46 (1985) 297-300.
94. Sur les graphes tracables les moins hamiltoniens (with A. Zucco), Math. Japon. 31 (1986) 493-502.
95. Nearly all convex bodies are smooth and strictly convex, Monatsh. Math. 103 (1987) 57-62.
96. Typical convex curves on convex surfaces, Monatsh. Math. 103 (1987) 241-247.
97. Typical convex sets of convex sets (with T. Schwarz), J. Austral. Math. Soc. 43 (1987) 287-290.
98. A characterization theorem for certain unions of two starshaped sets in $\rm I\!R^2$ (with M. Breen), Geom. Dedicata 6 (1987) 59-103.
99. How many sets are porous?, Proc. Amer. Math. Soc. 100 (1987) 383-387.
100. Typical starshaped sets, Aequat. Math. 36 (1988) 188-200.
101. Curvature properties of typical convex surfaces, Pacific J. Math. 131 (1988) 191-207.
102. An infinitesimal version of the Besicovitch-Danzer characterization of the circle, Geom. Dedicata 27 (1988) 209-212.
103. Too long shadow boundaries, Proc. Amer. Math. Soc. 103 (1988) 587-590.
104. Ghosts are scarce (with A. Volcic), J. London Math. Soc. 40 (1989) 171-178.
105. Description of most starshaped surfaces, Math. Proc. Cambridge Phil. Soc. 106 (1989) 245-251.
106. Porosity in Convexity, Real Analysis Exch. 15 (1989/90) 424-436.
107. Nondifferentiability properties of the nearest point mapping, J. Analyse Math. 54 (1990) 90-98.
108. Diameters in typical convex bodies (with I. Bárány), Canad. J. Math. 42 (1990) 50-61.
109. Generic properties of compact starshaped sets (with P. Gruber), Proc. Amer. Math. Soc. 108 (1990) 207-214.
110. The nearest point mapping is single valued nearly everywhere, Archiv Math. 54 (1990) 563-566.
111. Baire categories in Convexity, Atti Sem. Mat. Fis. Univ. Modena 39 (1991) 139-164.
112. On two conjectures of Franz Hering about convex surfaces, Discrete Comput. Geom. 6 (1991) 171-180.
113. Every arrangement extends to a spread (with J. Goodman, R. Pollack and R. Wenger), in "Proc. Third Annual Canad. Conf. on Comput. Geom." (1991) 191-194.
114. Conjugate points on convex surfaces, Mathematika 38 (1991) 312-317.
115. Hamiltonian properties of grid graphs (with Ch. Zamfirescu), SIAM J. Discrete Math. 5 (1992) 564-570.
116. The level set structure of nearly all real continuous functions (with P. M. Gandini), Rend. Circ. Mat. Palermo, Suppl. 39 (1992) 407-414.
117. Long geodesics on convex surfaces, Math. Ann. 293 (1992) 109-114.
118. There is a universal topological plane (with J. Goodman, R. Pollack and R. Wenger), in "Proc. Eighth Annual ACM Symposium on Comput. Geometry, Berlin, June 1992", 171-176.
119. Segments et g od siques sur les surfaces convexes typiques, in "Travaux des Journ es de G om trie Convexe et Optimisation, Valencienne - Li ge, 1992".
120. Invariance of convex sets under linear transformations (with G. Sierksma and V. Soltan), Lin. and Multilin. Algebra 35 (1993) 37-47.
121. A generic view on the theorems of Brouwer and Schauder, Math. Z. 213 (1993) 387-392.
122. On the curvatures of convex curves of constant width, Atti Sem. Mat. Fis. Univ. Modena 42 (1994) 253-256.
123. Every arrangement extends to a spread (with J. Goodman, R. Pollack and R. Wenger), Combinatorica 14 (1994) 301-306.
124. Arrangements and topological planes (with J. Goodman, R. Pollack and R. Wenger), Amer. Math. Monthly 101 (1994) 866-878.
125. A characterization of 3-dimensional convex sets with an infinite X-ray number (with K. Bezdek), in "Coll. Math. Soc. J. Bolyai: 63. Intuitive Geometry, Szeged, 1991" (1994) 33-38.
126. For most Convex Discs Thinnest Covering is not Lattice-like (with G. Fejes-T th), in "Coll. Math. Soc. J. Bolyai: 63. Intuitive Geometry, Szeged, 1991" (1994) 105-108.
127. On some questions about convex surfaces, Math. Nachrichten 172 (1995) 313-324.
128. How to hold a convex body?, Geom. Dedicata 54 (1995) 313-316.
129. Most homeomorphisms of the circle are semiperiodic (with G. Craciun, P. Horja and M. Prunescu), Archiv Math. 64 (1995) 452-458.
130. How do convex bodies sit?, Mathematika 42 (1995) 178-181.
131. A characterization of infinite, bipartite Toeplitz graphs (with R. Euler and H. Le Verge), in: "Combinatorics and Graph Theory '95" 1 (1995) 119-130.
132. From melons to bananas (Roum.), Gaz. Mat. 100 (1995) 487-491.
133. G od siques et lieux de coupure sur les surfaces convexes typiques, An. Şt. Univ. Ovidius Constanţa 3 (1995) 167-173.
134. Points joined by three shortest paths on convex surfaces, Proc. Amer. Math. Soc. 123 (1995) 3513-3518.
135. Conjugate points and closed geodesic arcs on convex surfaces, Geom. Dedicata 62 (1996) 99-105.
136. Hamiltonian properties of Toeplitz graphs (with R. van Dal, G. Tijssen, Zs. Tuza, J. van der Veen and Ch. Zamfirescu), Discrete Math. 159 (1996) 69-81.
137. Intersections of longest cycles in grid graphs (with B. Menke and Ch. Zamfirescu), J. Graph Theory 25 (1997) 37-52.
138. Closed geodesic arcs in Aleksandrov spaces, Rend. Circ. Mat. Palermo Suppl. 50 (1997) 425-430.
139. The dimension print of most convex surfaces (with G. Craciun), Monatsh. Math. 123 (1997) 203-207.
140. Convex bodies instead of needles in Buffon's experiment (with A. Aleman and M. Stoka), Geom. Dedicata 67 (1997) 301-308.
141. Farthest points on convex surfaces, Math. Z. 226 (1997) 623-630.
142. The typical number is a lexicon (with C. Calude), New Zealand J. Math. 27 (1998) 7-13.
143. Extreme points of the distance function on convex surfaces, Trans. Amer. Math. Soc. 350 (1998) 1395-1406.
144. Cardinality of the metric projection on typical compact sets in Hilbert spaces (with F. De Blasi), Math. Proc. Cambridge Phil. Soc. 126 (1999) 37-44.
145. Most numbers obey no probability laws (with C. Calude), Publ. Math. Debrecen 54 Suppl. (1999) 619-623.
146. Tiling the pentagon (with R. Ding and D. Schattschneider), Discrete Math. 221 (2000) 113-124.
147. Hamiltonian Cycles in T--Graphs (with J. Reay), Discrete Comput. Geom. 24 (2000) 497-502.
148. On a theorem of Deutsch and Singer, Set-Valued Analysis 8, 3 (2000) 295-297.
149. Dense ambiguous loci and residual cut loci, Rend. Circ. Mat. Palermo Suppl. 65 (2000) 203-208.
150. Acute triangulations (with Th. Hangan and J. Itoh), Bull. Math. Soc. Sc. Math. Roumanie 43, 3-4 (2000) 279-286.
151. Intersecting longest paths or cycles: a short survey, Analele Univ. Craiova, Ser. Mat.-Inf., 28 (2001) 1-9.
152. On the length of the cut locus on surfaces (with J. Itoh), Rend. Circ. Mat. Palermo Suppl. 70 (2002) 53-58.
153. Acute triangulations of triangles on the sphere (with J. Itoh), Rend. Circ. Mat. Palermo Suppl. 70 (2002) 59-64.
154. Acute triangulations: a short survey, Proc. 6th Annual Conference Romanian Soc. Math. Sciences I (2002) 10-18.
155. Total curvature and spiralling shortest paths (with I. Bárány and K. Kuperberg), Discrete Comp. Geom. 30 (2003) 167-176.
156. Qualitative infinite version of Erd s' problem about empty polygons, in: Goodman-Pollack Festschrift (2003) 849-853.
157. Acute triangulations of the regular icosahedral surface (with J. Itoh), Discrete Comput. Geom. 31 (2004) 197-206.
158. On the cut locus in Alexandrov spaces and applications to convex surfaces, Pacific J. Math. 217 (2004) 375-386.
159. Extending Stechkin's theorem and beyond, Abstract Appl. Analysis 2004 (2004) 255-258.
160. On the length of the cut locus for finitely many points (with J. Itoh), Adv. Geom., 5 (2005) 97-106.
161. The strange aspect of most compacta, J. Math. Soc. Japan 57, 3 (2005) 701-708.
162. On the perimeter of a triangle in a Minkowski plane (with H. Maehara), Amer. Math. Monthly 112 (2005) 521-522.
163. Simplices passing through a hole (with J. Itoh), J. Geom. 83 (2005) 65-70.
164. Symmetry and the farthest point mapping on convex surfaces (with C. Vîlcu), Adv. Geom. 6 (2006) 379-387.
165. On the number of shortest paths between points on manifolds, Rend. Circ. Mat. Palermo Suppl. 77 (2006) 643-647.
166. Tetrahedra passing through a circular or square hole (with J. Itoh and Y. Tanoue), Rend. Circ. Mat. Palermo Suppl. 77 (2006) 349-354.
167. On the critical points of a Riemannian surface, Adv. Geom. 6 (2006) 493-500.
168. Acute triangulations of the regular dodecahedral surface (with J. Itoh), Eur. J. Comb. 28 (2007) 1072-1086.
169. Multiple farthest points on Alexandrov surfaces (with C. Vîlcu), Adv. Geom. 7 (2007) 83-100.
170. Acute triangulations of flat M bius strips (with L. Yuan), Discrete Comput. Geom. 37 (2007) 671-676.
171. A planar hypohamiltonian graph on 48 vertices (with C. T. Zamfirescu), J. Graph Theory 55, 4 (2007) 338-342.
172. Hamiltonicity of topological grid graphs (with Ch. Zamfirescu), J. Universal Comp. Sci. 13 (2007) 1791-1800.
173. Antipodal trees and mutually critical points on surfaces, Adv. Geom. 7 (2007) 385-390.
174. Viewing and realizing diameters, J. Geom. 88, 1-2 (2008) 194-199.
175. Minkowski's theorem for arbitrary convex sets, Eur. J. Comb. 29 (2008) 1956-1958.
176. Polytopes passing through circles, Periodica Math. Hung. 57 (2008) 227-230.
177. Some remarks on simple closed geodesics of surfaces with ends (with J. Itoh and F. Ohtsuka), Bull. Math. Soc. Sci. Math. Roumanie 52, 3 (2009) 311-319.
178. Hamiltonian properties of generalized Halin graphs (with S. Malik and A. M. Qureshi), Can. Math. Bull. 52 (2009) 416-423.
179. The Majority in Convexity. Part I: Smoothness, Curvature and Consequences, Editura Univ. Bucuresti (2009).
180. Hamiltonian Connectedness in Directed Toeplitz Graphs (with S. Malik), Bull. Math. Soc. Sc. Math. Roumanie 53, 2 (2010) 145-156.
181. Non-expanding mappings in graphs, Adv. Appl. Math. Sci. 6 (2010) 23-32.
182. Pushing convex and other bodies through rings and holes, An. Univ. Vest Timisoara, Ser. Mat.-Inf. 48, 1-2 (2010) 299-306.
183. Paolo Pizzetti: The forgotten originator of triangle comparison geometry (with V. Pambuccian), Historia Math. 38, 3 (2011) 415-422.
184. Moderation of convex bodies (with J. Itoh), J. Convex Analysis 18, 3 (2011) 865-872.
185. Hamiltonian properties of generalized pyramids (with C. T. Zamfirescu), Math. Nachr. 284, 13 (2011) 1739-1747.
186. Acute triangulations of double planar convex bodies (with L. Yuan), Publ. Math. Debrecen 81, 1-2 (2012) 121-126.
187. Large Curvature on Typical Convex Surfaces (with K. Adiprasito), J. Convex Analysis 19, 2 (2012) 385-391.
188. On Longest Paths in Triangular Lattice Graphs (with A. D. Jumani), Utilitas Math. 89 (2012) 269-273.
189. Planar Lattice Graphs with Gallai's Property (with F. Nadeem and A. Shabbir), Graphs Combin. 29 (2013) 1523-1529.
190. On Planar Toeplitz Graphs (with R. Euler), Graphs Combin. 29 (2013) 1311-1327.
191. Highly non-concurrent longest cycles in lattice graphs (with A. Shabbir), Discrete Math. 313 (2013) 1908-1914.
192. Every point is critical (with I. Bárány, J. Itoh, and C. Vîlcu), Adv. Math. 235 (2013) 390-397.
193. Lattice graphs with Gallai's property (with Y. Bashir), Bull. Math. Soc. Sci. Math. Roumanie 56, 1 (2013) 65-71.
194. Hamiltonicity of cubic 3-connected k-Halin graphs (with S. Malik and A. M. Qureshi), Electron. J. Combin. 20, 1 (2013) #P66.
195. Intersecting longest paths and longest cycles: A survey (with A. Shabbir and C. T. Zamfirescu), Electron. J. Graph Theory Appl. 1, 1 (2013) 56-76.
196. Balanced triangulations (with L. Jia, L. Yuan, and C. T. Zamfirescu), Discrete Math. 313 (2013) 2178-2191.
197. Circles holding typical convex bodies (with I. Bárány), Libertas Math. 33 (2013) 21-25.
198. Holding Circles and Fixing Frames (with I. Bárány), Discrete Comput. Geom. 50 (2013) 1101-1111.
199. Typical simplicially convex bodies, Adv. Geom. 14 (2014) 109-115.
200. Lattice graphs with non-concurrent longest cycles (with A. D. Jumani and C. T. Zamfirescu), Rend. Sem. Mat. Univ. Padova 132 (2014) 75-82.
201. Right convexity, J. Convex Analysis 21 (2014) 253-260.
202. Hamiltonian connectedness of Toeplitz graphs (with F. Nadeem and A. Shabbir), Mathematics in the 21st Century 6th World Conference, Lahore, March 2013, Springer proceedings in Mathematics and statistics 98 (2014) 135-149.
203. Few Alexandrov Surfaces are Riemann (with K. Adiprasito), J. Nonlinear and Convex Analysis 16 (2015) 1147-1153.
204. When is a Disk Trapped by Four Lines? (with L. Montejano), Graphs Combin. 31 (2015) 467-476.
205. Acute Triangulations of Archimedean Surfaces. The Truncated Tetrahedron (with X. Feng and L. Yuan), Bull. Math. Soc. Sci. Math. Roumanie 58 (2015) 271-282.
206. Right triple convex completion (with L. Yuan), J. Convex Analysis 22 (2015) 291-301.
207. Escaping from a cage, Libertas Math. 35 (2015) 43-49.
208. Dissecting the square into five congruent parts (with L. Yuan and C. T. Zamfirescu), Discrete Math. 339 (2016) 288-298.
209. Hamiltonicity in k-tree-Halin Graphs (with A. Shabbir), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 59-68.
210. Six Problems on the Length of the Cut Locus (with C. Vîlcu), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 257-259.
211. Two Problems on Cages for Discs (with L. Montejano), Convexity and Discrete Geometry Including Graph Theory, Vol. 148 Springer Proc. Math. & Statistics 2016, pp. 263-264.
212. Right Triple Convexity (with L. Yuan), J. Convex Analysis 23 (2016) 1219-1246.
213. Fault-Tolerant Designs in Triangular Lattice Networks (with A. Shabbir), Appl. Anal. Discrete Math. 10 (2016) 447-456.
214. Gallai s property for graphs in lattices on the torus and the M bius strip (with A. Shabbir), Period. Math. Hung. 72 (2016) 1-11.
215. Isosceles triple convexity (with L. Yuan and Y. Zhang), Carpathian J. Math. 33 (2017) 127-139.
216. Fixed Chords and Discs in Convex Bodies, Fixed Point Theory 18 (2017) 407-412.
217. Selfishness of convex bodies (with L. Yuan), J. Nonlinear Convex Anal. 18 (2017) 525-534.
218. Right quadruple convexity (with D. Li and L. Yuan), Ars Math. Contemp. 14 (2018) 25-38.
219. Every graph occurs as an induced subgraph of some hypohamiltonian graph (with C. T. Zamfirescu), J. Graph Theory 88 (2018) 551-557.
220. Critical points on convex surfaces, Results Math. 73 (2018) Article 19.
221. The Katchalski-Lewis Transversal Problem for Regular Polygons (with Q. Du and L. Yuan), Acta Math. Hungar. 155 (2018) 104-129.
222. Rupert Property of Archimedean Solids (with Y. Chai and L. Yuan), Amer. Math. Monthly 125 (2018) 497-504.
223. Mathematics Almost Everywhere. In Memory of Solomon Marcus (coedited with A. Bellow and C. S. Calude), World Scientific Publishing Co., Singapore (2018).
224. Selfishness of convex bodies and discrete point sets (with L. Yuan and Y. Zhang), Europ. J. Combin. 80 (2019) 416-431.
225. Double normals of most convex bodies (with A. Rivi re, J. Rouyer, and C. Vîlcu), Adv. Math. 343 (2019) 245-272.
226. Tetrahedral and pentahedral cages for discs (with L. Yuan), Ars Math. Contemp. 17 (2019) 255-270.
227. Cages of Small Length Holding Convex Bodies (with A. Fruchard), Discrete Comput. Geom. 64 (2020) 814-837.
228. Locating Diametral Points (with J. Itoh, C. Vîlcu, and L. Yuan), Results Math. 75 (2020) Article Number: 68.
229. The Property of Hamiltonian Connectedness in Toeplitz Graphs (with A. Shabbir and M. F. Nadeem), Complexity (2020) Article ID 5608720.
230. With respect to whom are you critical? (with J. Itoh and C. Vîlcu), Adv. Math. 369 (2020) Article ID 107187.
231. Poidge-Convexity (with B. Wang and L. Yuan), J. Convex Analysis 28 (2021), No. 4, 1155-1170.
232. Tetrahedral cages for unit discs (with L. Yuan and Y. Zhang), Adv. Geom. (2021) Online First.
233. Generous Sets (with A. Fruchard and L. Yuan), J. Convex Analysis 28, No. 4 (2021) 1265-1280.
234. Extending and Paralleling Stechkin's Category Theorem, Topol. Methods Nonlinear Analysis 58 (2021) 97-103.
235. Ellipses surrounding convex bodies, An. Şt. Univ. Ovidius Constanţa 30, No. 2 (2022) 273-282.
236. Zero forcing density of Archimedean tiling graphs (with P. Shen and L. Yuan), Bull. Math. Soc. Sci. Math. Roumanie 65 (113), No. 4 (2022) 449-462.
237. Thin Right Triangle Convexity (with X. Nie and L. Yuan), Mathematics 2022, 10, 4170.
238. Right Quadruple Convexity of Complements (with X. He and L. Yuan), Mathematics 2023, 11, 84.
239. Generalized Rectangular Convexity (with L. Yuan), Acta Math. Sinica, English Series 39, No. 9 (2023) 1795-1804.
240. The length of the cut locus on convex surfaces (with L. Yuan), Izvestiya: Mathematics 88, No. 3 (2024) 590-600.
241. Poidge-convexity in triangular lattices (with B. Wang and L. Yuan), Appl. Math. Comput. 474 (2024) Article nr. 128656.
Curriculum Vitae