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Apostolos Chalkis
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2020 – today
- 2025
- [j7]Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas:
volesti: A C++ library for sampling and volume computation on convex bodies. J. Open Source Softw. 10(109): 7886 (2025) - 2024
- [i12]Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas:
Randomized Control in Performance Analysis and Empirical Asset Pricing. CoRR abs/2403.00009 (2024) - 2023
- [j6]Ludovic Calès
, Apostolos Chalkis
Practical volume approximation of high-dimensional convex bodies, applied to modeling portfolio dependencies and financial crises. Comput. Geom. 109: 101916 (2023) - [j5]Apostolos Chalkis
A Practical Algorithm for Volume Estimation based on Billiard Trajectories and Simulated Annealing. ACM J. Exp. Algorithmics 28: 1.3:1-1.3:34 (2023) - [j4]Apostolos Chalkis, Ioannis Z. Emiris
Geometric algorithms for sampling the flux space of metabolic networks. J. Comput. Geom. 14(1): 195-220 (2023) - [j3]Apostolos Chalkis
Truncated Log-concave Sampling for Convex Bodies with Reflective Hamiltonian Monte Carlo. ACM Trans. Math. Softw. 49(2): 16:1-16:25 (2023) - [c6]Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas:
Randomized geometric tools for anomaly detection in stock markets. AISTATS 2023: 9400-9416 - 2022
- [c5]Apostolos Chalkis, Christina Katsamaki, Josué Tonelli-Cueto:
On the Error of Random Sampling: Uniformly Distributed Random Points on Parametric Curves. ISSAC 2022: 273-282 - [i11]Apostolos Chalkis, Christina Katsamaki, Josué Tonelli-Cueto:
On the sampling error for parametric curves. CoRR abs/2203.02832 (2022) - [i10]Cyril Bachelard, Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas:
Randomized geometric tools for anomaly detection in stock markets. CoRR abs/2205.03852 (2022) - 2021
- [b1]Apostolos Chalkis:
Efficient geometric random walks for high-dimensional sampling from convex bodies. National and Kapodistrian University of Athens, Greece, 2021 - [j2]Apostolos Chalkis, Vissarion Fisikopoulos:
volesti: Volume Approximation and Sampling for Convex Polytopes in R. R J. 13(2): 561 (2021) - [c4]Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos
Geometric Algorithms for Sampling the Flux Space of Metabolic Networks. SoCG 2021: 21:1-21:16 - [c3]Apostolos Chalkis, Emmanouil Christoforou, Theodore Dalamagas
Modeling of Crisis Periods in Stock Markets. LION 2021: 55-65 - [i9]Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias P. Tsigaridas:
Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo. CoRR abs/2102.13068 (2021) - [i8]Apostolos Chalkis, Emmanouil Christoforou, Theodore Dalamagas, Ioannis Z. Emiris
Modeling of crisis periods in stock markets. CoRR abs/2103.13294 (2021) - [i7]Ludovic Calès, Apostolos Chalkis, Ioannis Z. Emiris:
The cross-sectional distribution of portfolio returns and applications. CoRR abs/2105.06573 (2021) - 2020
- [j1]Apostolos Chalkis, Vissarion Fisikopoulos, Panagiotis Repouskos, Elias P. Tsigaridas:
Sampling the feasible sets of SDPs and volume approximation. ACM Commun. Comput. Algebra 54(3): 114-118 (2020) - [c2]Apostolos Chalkis
Practical Volume Estimation of Zonotopes by a New Annealing Schedule for Cooling Convex Bodies. ICMS 2020: 212-221 - [i6]Apostolos Chalkis, Vissarion Fisikopoulos:
volesti: Volume Approximation and Sampling for Convex Polytopes in R. CoRR abs/2007.01578 (2020) - [i5]Apostolos Chalkis, Ioannis Z. Emiris
Efficient Sampling from Feasible Sets of SDPs and Volume Approximation. CoRR abs/2010.03817 (2020) - [i4]Apostolos Chalkis, Ioannis Z. Emiris:
Modeling asset allocation strategies and a new portfolio performance score. CoRR abs/2012.05088 (2020) - [i3]Apostolos Chalkis, Vissarion Fisikopoulos, Elias P. Tsigaridas, Haris Zafeiropoulos:
Geometric algorithms for sampling the flux space of metabolic networks. CoRR abs/2012.05503 (2020)
2010 – 2019
- 2019
- [i2]Apostolos Chalkis, Ioannis Z. Emiris, Vissarion Fisikopoulos:
Practical Volume Estimation by a New Annealing Schedule for Cooling Convex Bodies. CoRR abs/1905.05494 (2019) - 2018
- [c1]Ludovic Calès
Practical Volume Computation of Structured Convex Bodies, and an Application to Modeling Portfolio Dependencies and Financial Crises. SoCG 2018: 19:1-19:15 - [i1]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 abs/1803.05861 (2018)
Coauthor Index
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