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ORCIDMiglena N. Koleva
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2020 – today
- 2024
[j22]Miglena N. Koleva
, Lubin G. Vulkov:
Numerical Reconstruction of the Source in Dynamical Boundary Condition of Laplace's Equation. Axioms 13(1): 64 (2024)- [j21]Miglena N. Koleva, Lubin G. Vulkov:
Positive Fitted Finite Volume Method for Semilinear Parabolic Systems on Unbounded Domain. Axioms 13(8): 507 (2024) - [j20]Miglena N. Koleva, Lubin G. Vulkov:
Inverse Boundary Conditions Interface Problems for the Heat Equation with Cylindrical Symmetry. Symmetry 16(8): 1065 (2024) - 2023
- [j19]Miglena N. Koleva, Lubin G. Vulkov:
Numerical Solution of the Retrospective Inverse Parabolic Problem on Disjoint Intervals. Comput. 11(10): 204 (2023) - [j18]Atanas Z. Atanasov, Miglena N. Koleva, Lubin G. Vulkov:
Inverse Problem Numerical Analysis of Forager Bee Losses in Spatial Environment without Contamination. Symmetry 15(12): 2099 (2023) - [c28]Miglena N. Koleva, Lubin G. Vulkov:
Numerical Determination of Source from Point Observation in a Time-Fractional Boundary-Value Problem on Disjoint Intervals. LSSC 2023: 137-145 - [c27]Miglena N. Koleva, Lubin G. Vulkov:
Numerical Determination of Time-Dependent Volatility for American Option When the Optimal Exercise Boundary Is Known. LSSC 2023: 463-471 - 2022
- [j17]Miglena N. Koleva, Lubin G. Vulkov:
Positivity-preserving finite volume difference schemes for atmospheric dispersion models with degenerate vertical diffusion. Comput. Appl. Math. 41(8) (2022) - [c26]Atanas Z. Atanasov, Miglena N. Koleva, Lubin G. Vulkov:
Numerical Optimization Identification of a Keller-Segel Model for Thermoregulation in Honey Bee Colonies in Winter. MDIS 2022: 279-293 - [c25]Atanas Z. Atanasov, Miglena N. Koleva, Lubin G. Vulkov:
Parameter Estimation Inspired by Temperature Measurements for a Chemotactic Model of Honeybee Thermoregulation. NMA 2022: 36-47 - 2021
- [j16]Tatiana P. Chernogorova, Miglena N. Koleva, Lubin G. Vulkov:
Exponential finite difference scheme for transport equations with discontinuous coefficients in porous media. Appl. Math. Comput. 392: 125691 (2021) - [j15]Tihomir B. Gyulov, Miglena N. Koleva, Lubin G. Vulkov:
Fitted finite volume method for indifference pricing in an exponential utility regime-switching model. J. Comput. Appl. Math. 387: 112493 (2021) - [c24]Miglena N. Koleva, Lubin G. Vulkov:
Fitted Finite Volume Method for Unsaturated Flow Parabolic Problems with Space Degeneration. LSSC 2021: 524-532 - 2020
- [j14]Miglena N. Koleva, Lubin G. Vulkov:
Numerical method for optimal portfolio in an exponential utility regime-switching model. Int. J. Comput. Math. 97(1-2): 120-140 (2020) - [j13]Miglena N. Koleva, Lubin G. Vulkov:
Numerical analysis of one dimensional motion of magma without mass forces. J. Comput. Appl. Math. 366 (2020)
2010 – 2019
- 2019
- [j12]Tihomir B. Gyulov, Miglena N. Koleva, Lubin G. Vulkov:
Efficient finite difference method for optimal portfolio in a power utility regime-switching model. Int. J. Comput. Math. 96(11): 2115-2134 (2019) - [c23]Miglena N. Koleva, Yury Poveshchenko, Lubin G. Vulkov:
Numerical Simulation of Thermoelastic Nonlinear Waves in Fluid Saturated Porous Media with Non-local Darcy Law. HPC 2019: 279-289 - [c22]Miglena N. Koleva, Lubin G. Vulkov:
Weighted Time-Semidiscretization Quasilinearization Method for Solving Rihards' Equation. LSSC 2019: 123-130 - [c21]Miglena N. Koleva, Lubin G. Vulkov:
Valuation of European Options with Liquidity Shocks Switching by Fitted Finite Volume Method. LSSC 2019: 584-592 - 2018
- [j11]Miglena N. Koleva, Lubin G. Vulkov:
Fast computational approach to the Delta Greek of non-linear Black-Scholes equations. J. Comput. Appl. Math. 340: 508-522 (2018) - [c20]Miglena N. Koleva, Lubin G. Vulkov:
Two-Grid Newton Algorithms for a System of Heat Conducting Gas Equations. FDM 2018: 337-345 - [c19]Miglena N. Koleva, Lubin G. Vulkov:
Positivity Preserving Numerical Method for Optimal Portfolio in a Power Utility Two-Dimensional Regime-Switching Model. NMA 2018: 424-432 - 2017
- [j10]Miglena N. Koleva, Lubin G. Vulkov:
A numerical study for optimal portfolio regime-switching model I. 2D Black-Scholes equation with an exponential non-linear term. J. Comput. Appl. Math. 318: 538-549 (2017) - [j9]Miglena N. Koleva, Walter Mudzimbabwe, Lubin G. Vulkov:
Fourth-order compact schemes for a parabolic-ordinary system of European option pricing liquidity shocks model. Numer. Algorithms 74(1): 59-75 (2017) - [c18]Miglena N. Koleva, Lubin G. Vulkov:
A Unified Numerical Approach for a Large Class of Nonlinear Black-Scholes Models. LSSC 2017: 583-591 - 2016
- [j8]Miglena N. Koleva, Lubin G. Vulkov:
On splitting-based numerical methods for nonlinear models of European options. Int. J. Comput. Math. 93(5): 781-796 (2016) - [j7]Miglena N. Koleva, Lubin G. Vulkov:
A positive flux limited difference scheme for the uncertain correlation 2D Black-Scholes problem. J. Comput. Appl. Math. 293: 112-127 (2016) - [c17]Miglena N. Koleva, Lubin G. Vulkov:
Computation of Delta Greek for Non-linear Models in Mathematical Finance. NAA 2016: 430-438 - 2015
- [j6]Miglena N. Koleva, Lubin G. Vulkov:
Operator splitting kernel based numerical method for a generalized Leland's model. J. Comput. Appl. Math. 275: 294-303 (2015) - [c16]Miglena N. Koleva, Lubin G. Vulkov:
Fully Implicit Time-Stepping Schemes for a Parabolic-ODE System of European Options with Liquidity Shocks. LSSC 2015: 360-368 - 2014
- [c15]Miglena N. Koleva:
Efficient Application of the Two-Grid Technique for Solving Time-Fractional Non-linear Parabolic Problem. FDM 2014: 257-265 - [c14]Miglena N. Koleva, Lubin G. Vulkov:
Two-Grid Decoupled Method for a Black-Scholes Increased Market Volatility Model. NMA 2014: 271-278 - 2013
- [j5]Miglena N. Koleva, Lubin G. Vulkov:
A second-order positivity preserving numerical method for Gamma equation. Appl. Math. Comput. 220: 722-734 (2013) - [j4]Miglena N. Koleva, Lubin G. Vulkov:
Quasilinearization numerical scheme for fully nonlinear parabolic problems with applications in models of mathematical finance. Math. Comput. Model. 57(9-10): 2564-2575 (2013) - [c13]Miglena N. Koleva, Lubin G. Vulkov:
A Splitting Numerical Scheme for Non-linear Models of Mathematical Finance. LSSC 2013: 602-610 - 2012
- [c12]Miglena N. Koleva:
Positivity Preserving Numerical Method for Non-linear Black-Scholes Models. NAA 2012: 363-370 - 2011
- [j3]Bosko S. Jovanovic, Miglena N. Koleva, Lubin G. Vulkov:
Convergence of a FEM and two-grid algorithms for elliptic problems on disjoint domains. J. Comput. Appl. Math. 236(3): 364-374 (2011) - [c11]Miglena N. Koleva, Lubin G. Vulkov:
A Kernel-Based Algorithm for Numerical Solution of Nonlinear PDEs in Finance. LSSC 2011: 566-573 - 2010
- [j2]Miglena N. Koleva, Lubin G. Vulkov:
Two-grid quasilinearization approach to ODEs with applications to model problems in physics and mechanics. Comput. Phys. Commun. 181(3): 663-670 (2010) - [c10]Naoyuki Ishimura, Miglena N. Koleva, Lubin G. Vulkov:
Numerical Solution of a Nonlinear Evolution Equation for the Risk Preference. NMA 2010: 445-452 - [c9]Miglena N. Koleva, Lubin G. Vulkov:
A Numerical Study of a Parabolic Monge-Ampère Equation in Mathematical Finance. NMA 2010: 461-468
2000 – 2009
- 2009
- [c8]Miglena N. Koleva, Lubin G. Vulkov:
Two-Grid Decoupling Method for Elliptic Problems on Disjoint Domains. LSSC 2009: 787-795 - 2008
- [c7]Miglena N. Koleva, Lubin G. Vulkov:
A Two-Grid Approximation of an Interface Problem for the Nonlinear Poisson-Boltzmann Equation. NAA 2008: 369-376 - 2007
- [c6]Iliya A. Brayanov, Juri D. Kandilarov, Miglena N. Koleva:
Immersed Interface Difference Schemes for a Parabolic-Elliptic Interface Problem. LSSC 2007: 661-669 - [c5]Juri D. Kandilarov, Miglena N. Koleva, Lubin G. Vulkov:
A Second-Order Cartesian Grid Finite Volume Technique for Elliptic Interface Problems. LSSC 2007: 679-687 - 2006
- [c4]Bosko S. Jovanovic, Miglena N. Koleva, Lubin G. Vulkov:
Numerical Analysis of Blow-Up Weak Solutions to Semilinear Hyperbolic Equations. Numerical Methods and Applications 2006: 607-614 - 2005
- [j1]Miglena N. Koleva, Lubin G. Vulkov:
On the blow-up of finite difference solutions to the heat-diffusion equation with semilinear dynamical boundary conditions. Appl. Math. Comput. 161(1): 69-91 (2005) - [c3]Miglena N. Koleva:
Numerical Solution of the Heat Equation in Unbounded Domains Using Quasi-uniform Grids. LSSC 2005: 509-517 - 2004
- [c2]Miglena N. Koleva:
Comparison of a Rothe-Two Grig Method and Other Numerical Schemes for Solving Semilinear Parabolic Equations. NAA 2004: 352-359 - 2003
- [c1]Miglena N. Koleva:
On the Computation of Blow-Up Solutions of Elliptic Equations with Semilinear Dynamical Boundary Conditions. LSSC 2003: 473-480
Coauthor Index
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