Publications

This is a list of publications related to GeomScale activities.

Preprints

• A. Chalkis, V. Fisikopoulos, M. Papachristou, E. Tsigaridas - Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo.

• A. Chalkis, V. Fisikopoulos - volesti: Volume Approximation and Sampling for Convex Polytopes in R.

• A. Chalkis, V. Fisikopoulos, E. Tsigaridas, H. Zafeiropoulos - Geometric algorithms for sampling the flux space ofmetabolic networks.

Conference Proceedings

• A. Chalkis, V. Fisikopoulos, P. Repouskos, E. Tsigaridas - Sampling from feasible sets of SDPs and volume approximation. SIGSAM Communications in Computer Algebra. ACM, 2020 (Distinguished poster award).

• 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 Annual Symposium on Computational Geometry, 2018.

• E. Anagnostopoulos, I.Z. Emiris, V. Fisikopoulos - Polytope Membership in High Dimension. LNCS Proceedings of 5th International Symposium on Combinatorial Optimization, 2018.

• I.Z. Emiris, V. Fisikopoulos - Efficient random-walk methods for approximating polytope volume. Proceedings of 30th ACM Annual Symposium on Computational Geometry, 2014.

Journal Articles

• I.Z.Emiris, V.Fisikopoulos - Practical polytope volume approximation. ACM Transactions on Mathematical Software, vol 44, issue 4, 2018.