232 citations
- Collège de FranceFR54 papers
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- Université Pierre-et-Marie-CurieFR22 papers
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- Laboratoire de Probabilités et Modèles AléatoiresFR12 papers
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19 papers · 1 filter
Stochastic Models of Neural Plasticity: A Scaling Approach
Philippe Robert, Gaetan Vignoud
In neuroscience, synaptic plasticity refers to the set of mechanisms driving the dynamics of neuronal connections, called synapses and represented by a scalar value, the synaptic w…
Averaging Principles for Markovian Models of Plasticity
Philippe Robert, Gaetan Vignoud
Mathematical models of biological neural networks are associated to a rich and complex class of stochastic processes. In this paper, we consider a simple {\em plastic} neural netwo…
Stochastic Models of Neural Synaptic Plasticity
Philippe Robert, Gaetan Vignoud
In neuroscience, learning and memory are usually associated to long-term changes of neuronal connectivity. In this context, synaptic plasticity refers to the set of mechanisms driv…
Combinatorial and stochastic properties of ranked tree-child networks
François Bienvenu, Amaury Lambert, Mike Steel
Tree-child networks are a recently-described class of directed acyclic graphs that have risen to prominence in phylogenetics (the study of evolutionary trees and networks). Althoug…
The coalescent structure of uniform and Poisson samples from multitype branching processes
Samuel G. G. Johnston, Amaury Lambert
We introduce a Poissonization method to study the coalescent structure of uniform samples from branching processes. This method relies on the simple observation that a uniform samp…
Kingman's coalescent with erosion
Félix Foutel-Rodier, Amaury Lambert, Emmanuel Schertzer
Consider the Markov process taking values in the partitions of N such that each pair of blocks merges at rate one, and each integer is eroded, i.e., becomes a singleton block, at r…