Search Results for author: Anastasios Tsourtis

Found 2 papers, 0 papers with code

A Variance Reduction Method for Neural-based Divergence Estimation

no code implementations29 Sep 2021 Jeremiah Birrell, Markos A. Katsoulakis, Yannis Pantazis, Dipjyoti Paul, Anastasios Tsourtis

Unfortunately, the approximation of expectations that are inherent in variational formulas by statistical averages can be problematic due to high statistical variance, e. g., exponential for the Kullback-Leibler divergence and certain estimators.

Representation Learning

Inference of Stochastic Dynamical Systems from Cross-Sectional Population Data

no code implementations9 Dec 2020 Anastasios Tsourtis, Yannis Pantazis, Ioannis Tsamardinos

Inferring the driving equations of a dynamical system from population or time-course data is important in several scientific fields such as biochemistry, epidemiology, financial mathematics and many others.

Epidemiology

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