Search Results for author: Vissarion Fisikopoulos

Found 2 papers, 2 papers with code

Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo

1 code implementation25 Feb 2021 Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou, Elias Tsigaridas

We introduce Reflective Hamiltonian Monte Carlo (ReHMC), an HMC-based algorithm, to sample from a log-concave distribution restricted to a convex body.

Geometric algorithms for sampling the flux space of metabolic networks

1 code implementation10 Dec 2020 Apostolos Chalkis, Vissarion Fisikopoulos, Elias Tsigaridas, Haris Zafeiropoulos

Systems Biology is a fundamental field and paradigm that introduces a new era in Biology.

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