Apostolos Chalkis

26 papers A* 2A 1B 1Journal 19Unranked 2

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	B	`conf`	On the Error of Random Sampling: Uniformly Distributed Random Points on Parametric Curves. ISSAC Apostolos Chalkis, Christina Katsamaki, Josué Tonelli-Cueto
2022	J	`jnl`	On the sampling error for parametric curves. CoRR Apostolos Chalkis, Christina Katsamaki, Josué Tonelli-Cueto
2022	J	`jnl`	Randomized geometric tools for anomaly detection in stock markets. CoRR Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas
2021	—	`—`	Efficient geometric random walks for high-dimensional sampling from convex bodies Apostolos Chalkis
2021	A*	`conf`	Geometric Algorithms for Sampling the Flux Space of Metabolic Networks. SoCG Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
2021	—	`conf`	Modeling of Crisis Periods in Stock Markets. LION Apostolos Chalkis, Emmanouil Christoforou, Theodore Dalamagas, Ioannis Z. Emiris
2021	J	`jnl`	Modeling of crisis periods in stock markets. CoRR Apostolos Chalkis, Emmanouil Christoforou, Theodore Dalamagas, Ioannis Z. Emiris
2021	J	`jnl`	The cross-sectional distribution of portfolio returns and applications. CoRR Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris
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	J	`jnl`	Modeling asset allocation strategies and a new portfolio performance score. CoRR Apostolos Chalkis, Ioannis Z. Emiris
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`	Practical Volume Estimation by a New Annealing Schedule for Cooling Convex Bodies. CoRR Apostolos Chalkis, 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