Structured programs in PL/I

With this note I hope to bridge the gap between the adherents of structured programming and the devotees of the unrestricted goto. I describe a style of programming which combines the advantages of structured programming with nearly all the power of the ...

Two sets of commercial PL/I programs are studied. One set represents programming practice before the introduction of structured programming techniques and the other set after their introduction. The use of these new methods is found to make a measurable ...

Shellability of simplicial complexes has been a powerful concept in polyhedral theory, in p.l. topology and recently in connection with Cohen-Macaulay rings and toric varieties. It is well known that all 2-spheres and all boundary complexes of convex ...