Vissarion Fisikopoulos

42 papers A* 3A 3B 1C 2Journal 29Unranked 3

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	volesti: A C++ library for sampling and volume computation on convex bodies. J. Open Source Softw. Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas
2024	J	`jnl`	Randomized Control in Performance Analysis and Empirical Asset Pricing. CoRR Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
2023	J	`jnl`	A Practical Algorithm for Volume Estimation based on Billiard Trajectories and Simulated Annealing. ACM J. Exp. Algorithmics Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2023	J	`jnl`	Geometric algorithms for sampling the flux space of metabolic networks. J. Comput. Geom. Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
2023	J	`jnl`	Practical volume approximation of high-dimensional convex bodies, applied to modeling portfolio dependencies and financial crises. Comput. Geom. Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2023	A	`conf`	Randomized geometric tools for anomaly detection in stock markets. AISTATS Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
2023	J	`jnl`	Truncated Log-concave Sampling for Convex Bodies with Reflective Hamiltonian Monte Carlo. ACM Trans. Math. Softw. Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas
2022	J	`jnl`	Fast Floating-Point Filters for Robust Predicates. CoRR Tinko Bartels, Vissarion Fisikopoulos, Martin Weiser
2022	J	`jnl`	Randomized geometric tools for anomaly detection in stock markets. CoRR Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
2021	A*	`conf`	Geometric Algorithms for Sampling the Flux Space of Metabolic Networks. SoCG Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
2021	J	`jnl`	Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo. CoRR Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas
2021	J	`jnl`	volesti: Volume Approximation and Sampling for Convex Polytopes in R. R J. Apostolos Chalkis, Vissarion Fisikopoulos
2020	J	`jnl`	Efficient Sampling from Feasible Sets of SDPs and Volume Approximation. CoRR Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos, Panagiotis Repouskos, Elias P. Tsigaridas
2020	J	`jnl`	Geometric algorithms for sampling the flux space of metabolic networks. CoRR Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
2020	—	`conf`	Practical Volume Estimation of Zonotopes by a New Annealing Schedule for Cooling Convex Bodies. ICMS Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2020	J	`jnl`	Sampling the feasible sets of SDPs and volume approximation. ACM Commun. Comput. Algebra Apostolos Chalkis, Vissarion Fisikopoulos, Panagiotis Repouskos, Elias P. Tsigaridas
2020	J	`jnl`	volesti: Volume Approximation and Sampling for Convex Polytopes in R. CoRR Apostolos Chalkis, Vissarion Fisikopoulos
2019	J	`jnl`	Enumeration of 2-level polytopes. Math. Program. Comput. Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
2019	J	`jnl`	Practical Volume Estimation by a New Annealing Schedule for Cooling Convex Bodies. CoRR Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2018	J	`jnl`	Algorithms for Deciding Membership in Polytopes of General Dimension. CoRR Evangelos Anagnostopoulos, Ioannis Z. Emiris, Vissarion Fisikopoulos
2018	C	`conf`	Polytope Membership in High Dimension. ISCO Evangelos Anagnostopoulos, Ioannis Z. Emiris, Vissarion Fisikopoulos
2018	J	`jnl`	Practical Polytope Volume Approximation. ACM Trans. Math. Softw. Ioannis Z. Emiris, Vissarion Fisikopoulos
2018	A*	`conf`	Practical Volume Computation of Structured Convex Bodies, and an Application to Modeling Portfolio Dependencies and Financial Crises. SoCG Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2018	J	`jnl`	Practical volume computation of structured convex bodies, and an application to modeling portfolio dependencies and financial crises. CoRR Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos
2017	J	`jnl`	Enumeration of 2-level polytopes. CoRR Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
2017	—	`conf`	Experimental Study of the Ehrhart Interpolation Polytope. MACIS Vissarion Fisikopoulos, Zafeirakis Zafeirakopoulos
2016	J	`jnl`	Efficient edge-skeleton computation for polytopes defined by oracles. J. Symb. Comput. Ioannis Z. Emiris, Vissarion Fisikopoulos, Bernd Gärtner
2016	J	`jnl`	Faster geometric algorithms via dynamic determinant computation. Comput. Geom. Vissarion Fisikopoulos, Luis Mariano Peñaranda
2016	C	`conf`	Two-Level Polytopes with a Prescribed Facet. ISCO Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia
2015	A	`conf`	Enumeration of 2-Level Polytopes. ESA Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
2014	A*	`conf`	Efficient Random-Walk Methods for Approximating Polytope Volume. SoCG Ioannis Z. Emiris, Vissarion Fisikopoulos
2014	J	`jnl`	Efficient edge-skeleton computation for polytopes defined by oracles. CoRR Ioannis Z. Emiris, Vissarion Fisikopoulos, Bernd Gärtner
2014	—	`—`	High-dimensional polytopes defined by oracles: algorithms, computations and applications Vissarion Fisikopoulos
2013	J	`jnl`	An Oracle-Based, output-Sensitive Algorithm for Projections of Resultant Polytopes. Int. J. Comput. Geom. Appl. Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
2013	B	`conf`	Combinatorics of 4-dimensional resultant polytopes. ISSAC Alicia Dickenstein, Ioannis Z. Emiris, Vissarion Fisikopoulos
2013	J	`jnl`	Efficient Random-Walk Methods for Approximating Polytope Volume. CoRR Ioannis Z. Emiris, Vissarion Fisikopoulos
2012	—	`conf`	An output-sensitive algorithm for computing projections of resultant polytopes. SCG Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
2012	A	`conf`	Faster Geometric Algorithms via Dynamic Determinant Computation. ESA Vissarion Fisikopoulos, Luis Mariano Peñaranda
2012	J	`jnl`	Faster Geometric Algorithms via Dynamic Determinant Computation. CoRR Vissarion Fisikopoulos, Luis Mariano Peñaranda
2011	J	`jnl`	An implementation of range trees with fractional cascading in C++ CoRR Vissarion Fisikopoulos
2011	J	`jnl`	Efficient Computation of Newton Polytopes of Specialized Resultants CoRR Ioannis Z. Emiris, Vissarion Fisikopoulos, Christos Konaxis, Luis Mariano Peñaranda
2011	J	`jnl`	Study of the effect of cost policies in the convergence of selfish strategies in Pure Nash Equilibria in Congestion Games CoRR Vissarion Fisikopoulos