[HTML][HTML] Predictive collective variable discovery with deep Bayesian models

M Schöberl, N Zabaras… - The Journal of chemical …, 2019 - pubs.aip.org
Extending spatio-temporal scale limitations of models for complex atomistic systems
considered in biochemistry and materials science necessitates the development of …

Predictive coarse-graining

M Schöberl, N Zabaras, PS Koutsourelakis - Journal of Computational …, 2017 - Elsevier
We propose a data-driven, coarse-graining formulation in the context of equilibrium
statistical mechanics. In contrast to existing techniques which are based on a fine-to-coarse …

Incorporating physical constraints in a deep probabilistic machine learning framework for coarse-graining dynamical systems

S Kaltenbach, PS Koutsourelakis - Journal of Computational Physics, 2020 - Elsevier
Data-based discovery of effective, coarse-grained (CG) models of high-dimensional
dynamical systems presents a unique challenge in computational physics and particularly in …

[HTML][HTML] The geometry of generalized force matching and related information metrics in coarse-graining of molecular systems

E Kalligiannaki, V Harmandaris… - The Journal of …, 2015 - pubs.aip.org
Using the probabilistic language of conditional expectations, we reformulate the force
matching method for coarse-graining of molecular systems as a projection onto spaces of …

Path-space variational inference for non-equilibrium coarse-grained systems

V Harmandaris, E Kalligiannaki, M Katsoulakis… - Journal of …, 2016 - Elsevier
In this paper we discuss information-theoretic tools for obtaining optimized coarse-grained
molecular models for both equilibrium and non-equilibrium molecular simulations. The latter …

Information-theoretic tools for parametrized coarse-graining of non-equilibrium extended systems

MA Katsoulakis, P Plecháč - The Journal of chemical physics, 2013 - pubs.aip.org
In this paper, we focus on the development of new methods suitable for efficient and reliable
coarse-graining of non-equilibrium molecular systems. In this context, we propose error …

Parameterization of coarse-grained molecular interactions through potential of mean force calculations and cluster expansion techniques

A Tsourtis, V Harmandaris, D Tsagkarogiannis - Entropy, 2017 - mdpi.com
We present a systematic coarse-graining (CG) strategy for many particle molecular systems
based on cluster expansion techniques. We construct a hierarchy of coarse-grained …

Parametrizing coarse grained models for molecular systems at equilibrium

E Kalligiannaki, A Chazirakis, A Tsourtis… - The European Physical …, 2016 - Springer
Hierarchical coarse graining of atomistic molecular systems at equilibrium has been an
intensive research topic over the last few decades. In this work we (a) review theoretical and …

Numerical and statistical methods for the coarse-graining of many-particle stochastic systems

MA Katsoulakis, P Plecháč, L Rey-Bellet - Journal of Scientific Computing, 2008 - Springer
In this article we discuss recent work on coarse-graining methods for microscopic stochastic
lattice systems. We emphasize the numerical analysis of the schemes, focusing on error …

Coarse-graining schemes for stochastic lattice systems with short and long-range interactions

M Katsoulakis, P Plecháč, L Rey-Bellet… - Mathematics of …, 2014 - ams.org
We develop coarse-graining schemes for stochastic many-particle microscopic models with
competing short-and long-range interactions on a $ d $-dimensional lattice. We focus on the …