Publications

This is a list of my publications.

Conference Proceedings & Journal Articles

A. Chalkis, V. Fisikopoulos, E. Tsigaridas, H. Zafeiropoulos - Geometric algorithms for sampling the flux space of metabolic networks, Proceedings of the 37th International Symposium on Computational Geometry, 2021.
A. Chalkis, E. Christoforou, I.Z. Emiris, T. Dalamagas - Modeling asset allocations and a new portfolio performance score, Digital Finance, Springer, 2021.
A. Chalkis, V. Fisikopoulos - volesti: Volume Approximation and Sampling for Convex Polytopes in R, R Journal, 2021.
A. Chalkis, E. Christoforou, I.Z. Emiris, T. Dalamagas - Modeling of crisis periods in stock markets, Springer, Learning and Intelligent Optimization (The 15th Learning and Intelligent Optimization Conference), 2021.
A. Chalkis, V. Fisikopoulos, P. Repouskos, E. Tsigaridas - Sampling from feasible sets of SDPs and volume approximation, Linear Algebra and its Applications, Elsevier, (Distinguished poster award at ISSAC 2020).
A. Chalkis, I.Z. Emiris, V. Fisikopoulos - Practical Volume Estimation of Zonotopes by a New Annealing Schedule for Cooling Convex Bodies. Mathematical Software – ICMS 2020, ICMS 2020. Lecture Notes in Computer Science, Springer.
L. Cales, A. Chalkis, I.Z. Emiris, V. Fisikopoulos - Practical volume computation of structured convex bodies, and an application to modeling portfolio dependencies and financial crises, Proceedings of the 34th International Symposium on Computational Geometry, 2018.