Search Results for author: Rémi Monasson

Found 9 papers, 3 papers with code

Transition paths in Potts-like energy landscapes: general properties and application to protein sequence models

no code implementations6 Apr 2023 Eugenio Mauri, Simona Cocco, Rémi Monasson

We study transition paths in energy landscapes over multi-categorical Potts configurations using the mean-field approach introduced by Mauri et al., {\em Phys Rev Lett 130, 158402 (2023)}.

Mutational paths with sequence-based models of proteins: from sampling to mean-field characterisation

no code implementations22 Apr 2022 Eugenio Mauri, Simona Cocco, Rémi Monasson

Identifying and characterizing mutational paths is an important issue in evolutionary biology and in bioengineering.

Stable cognitive maps for Path Integration emerge from fusing visual and proprioceptive sensors

no code implementations29 Sep 2021 Arnaud Fanthomme, Rémi Monasson

Spatial navigation in biological agents relies on the interplay between external (visual, olfactory, auditory, $\dots$) and proprioceptive (motor commands, linear and angular velocity, $\dots$) signals.

Position

Barriers and Dynamical Paths in Alternating Gibbs Sampling of Restricted Boltzmann Machines

1 code implementation13 Jul 2021 Clément Roussel, Simona Cocco, Rémi Monasson

Restricted Boltzmann Machines (RBM) are bi-layer neural networks used for the unsupervised learning of model distributions from data.

Low-Dimensional Manifolds Support Multiplexed Integrations in Recurrent Neural Networks

1 code implementation20 Nov 2020 Arnaud Fanthomme, Rémi Monasson

We study the learning dynamics and the representations emerging in Recurrent Neural Networks trained to integrate one or multiple temporal signals.

Survival probability and size of lineages in antibody affinity maturation

no code implementations22 Oct 2020 Marco Molari, Rémi Monasson, Simona Cocco

We then extend our results to the full population, both in the absence and presence of competition for T-cell help, and quantify the population survival probability as a function of Ag concentration and initial population size.

Learning Compositional Representations of Interacting Systems with Restricted Boltzmann Machines: Comparative Study of Lattice Proteins

no code implementations18 Feb 2019 Jérôme Tubiana, Simona Cocco, Rémi Monasson

A Restricted Boltzmann Machine (RBM) is an unsupervised machine-learning bipartite graphical model that jointly learns a probability distribution over data and extracts their relevant statistical features.

Representation Learning

Learning protein constitutive motifs from sequence data

1 code implementation23 Mar 2018 Jérôme Tubiana, Simona Cocco, Rémi Monasson

Statistical analysis of evolutionary-related protein sequences provides insights about their structure, function, and history.

Benchmarking Specificity

Emergence of Compositional Representations in Restricted Boltzmann Machines

no code implementations21 Nov 2016 Jérôme Tubiana, Rémi Monasson

Extracting automatically the complex set of features composing real high-dimensional data is crucial for achieving high performance in machine--learning tasks.

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