Julien Chevallier

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math.ST2024

Community detection for binary graphical models in high dimension

Julien Chevallier, Guilherme Ost

Let $N$ components be partitioned into two communities, denoted $P_{+}$ and $P_{-}$ , possibly of different sizes. Assume that they are connected via a directed and weight…

math.ST2024

Inferring the dependence graph density of binary graphical models in high dimension

Julien Chevallier, Eva Löcherbach, Guilherme Ost

We consider a system of binary interacting chains describing the dynamics of a group of $N$ components that, at each time unit, either send some signal to the others or remain sile…