Vissarion Fisikopoulos

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 27

Top Topics

Uniform Sampling

Experimental Study

Top Venues

ACM Trans. Math. Softw.

Publications

Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
Randomized Control in Performance Analysis and Empirical Asset Pricing. CoRR (2024)
Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
A Practical Algorithm for Volume Estimation based on Billiard Trajectories and Simulated Annealing. ACM J. Exp. Algorithmics 28 (2023)
Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical volume approximation of high-dimensional convex bodies, applied to modeling portfolio dependencies and financial crises. Comput. Geom. 109 (2023)
Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
Randomized geometric tools for anomaly detection in stock markets. AISTATS (2023)
Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas
Truncated Log-concave Sampling for Convex Bodies with Reflective Hamiltonian Monte Carlo. ACM Trans. Math. Softw. 49 (2) (2023)
Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
Randomized geometric tools for anomaly detection in stock markets. CoRR (2022)
Tinko Bartels, Vissarion Fisikopoulos, Martin Weiser
Fast Floating-Point Filters for Robust Predicates. CoRR (2022)
Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
Geometric Algorithms for Sampling the Flux Space of Metabolic Networks. SoCG (2021)
Apostolos Chalkis, Vissarion Fisikopoulos
volesti: Volume Approximation and Sampling for Convex Polytopes in R. R J. 13 (2) (2021)
Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas
Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo. CoRR (2021)
Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
Geometric algorithms for sampling the flux space of metabolic networks. CoRR (2020)
Apostolos Chalkis, Vissarion Fisikopoulos
volesti: Volume Approximation and Sampling for Convex Polytopes in R. CoRR (2020)
Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical Volume Estimation of Zonotopes by a New Annealing Schedule for Cooling Convex Bodies. ICMS (2020)
Apostolos Chalkis, Vissarion Fisikopoulos, Panagiotis Repouskos, Elias P. Tsigaridas
Sampling the feasible sets of SDPs and volume approximation. ACM Commun. Comput. Algebra 54 (3) (2020)
Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos, Panagiotis Repouskos, Elias P. Tsigaridas
Efficient Sampling from Feasible Sets of SDPs and Volume Approximation. CoRR (2020)
Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
Enumeration of 2-level polytopes. Math. Program. Comput. 11 (1) (2019)
Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical Volume Estimation by a New Annealing Schedule for Cooling Convex Bodies. CoRR (2019)
Evangelos Anagnostopoulos, Ioannis Z. Emiris, Vissarion Fisikopoulos
Polytope Membership in High Dimension. ISCO (2018)
Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical Volume Computation of Structured Convex Bodies, and an Application to Modeling Portfolio Dependencies and Financial Crises. SoCG (2018)
Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical Polytope Volume Approximation. ACM Trans. Math. Softw. 44 (4) (2018)
Evangelos Anagnostopoulos, Ioannis Z. Emiris, Vissarion Fisikopoulos
Algorithms for Deciding Membership in Polytopes of General Dimension. CoRR (2018)
Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
Practical volume computation of structured convex bodies, and an application to modeling portfolio dependencies and financial crises. CoRR (2018)
Vissarion Fisikopoulos, Zafeirakis Zafeirakopoulos
Experimental Study of the Ehrhart Interpolation Polytope. MACIS (2017)
Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
Enumeration of 2-level polytopes. CoRR (2017)
Vissarion Fisikopoulos, Luis Mariano Peñaranda
Faster geometric algorithms via dynamic determinant computation. Comput. Geom. 54 (2016)
Ioannis Z. Emiris, Vissarion Fisikopoulos, Bernd Gärtner
Efficient edge-skeleton computation for polytopes defined by oracles. J. Symb. Comput. 73 (2016)
Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia
Two-Level Polytopes with a Prescribed Facet. ISCO (2016)
Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
Enumeration of 2-Level Polytopes. ESA (2015)
Ioannis Z. Emiris, Vissarion Fisikopoulos
Efficient Random-Walk Methods for Approximating Polytope Volume. SoCG (2014)
Ioannis Z. Emiris, Vissarion Fisikopoulos, Bernd Gärtner
Efficient edge-skeleton computation for polytopes defined by oracles. CoRR (2014)
Ioannis Z. Emiris, Vissarion Fisikopoulos
Efficient Random-Walk Methods for Approximating Polytope Volume. CoRR (2013)
Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
An Oracle-Based, output-Sensitive Algorithm for Projections of Resultant Polytopes. Int. J. Comput. Geom. Appl. 23 (4-5) (2013)
Alicia Dickenstein, Ioannis Z. Emiris, Vissarion Fisikopoulos
Combinatorics of 4-dimensional resultant polytopes. ISSAC (2013)
Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
An output-sensitive algorithm for computing projections of resultant polytopes. SCG (2012)
Vissarion Fisikopoulos, Luis Mariano Peñaranda
Faster Geometric Algorithms via Dynamic Determinant Computation. ESA (2012)
Vissarion Fisikopoulos, Luis Mariano Peñaranda
Faster Geometric Algorithms via Dynamic Determinant Computation. CoRR (2012)
Vissarion Fisikopoulos
Study of the effect of cost policies in the convergence of selfish strategies in Pure Nash Equilibria in Congestion Games CoRR (2011)
Vissarion Fisikopoulos
An implementation of range trees with fractional cascading in C++ CoRR (2011)
Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
Efficient Computation of Newton Polytopes of Specialized Resultants CoRR (2011)