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6 papers · 1 filter
Non-convex image reconstruction via Expectation Propagation
Anna Paola Muntoni, Rafael Díaz Hernández Rojas, Alfredo Braunstein +2
Tomographic image reconstruction can be mapped to a problem of finding solutions to a large system of linear equations which maximize a function that includes \textit{a priori} kno…
Global-in-time classical solutions and qualitative properties for the NNLIF neuron model with synaptic delay
María J. Cáceres, Pierre Roux, Delphine Salort +1
The Nonlinear Noisy Leaky Integrate and Fire (NNLIF) model is widely used to describe the dynamics of neural networks after a diffusive approximation of the mean-field limit of a s…
The Mpemba effect in spin glasses is a persistent memory effect
Janus collaboration, M. Baity-Jesi, E. Calore +21
The Mpemba effect occurs when a hot system cools faster than an initially colder one, when both are refrigerated in the same thermal reservoir. Using the custom built supercomputer…
Spontaneous domain formation in disordered copolymers as a mechanism for chromosome structuring
Matteo Negri, Marco Gherardi, Guido Tiana +1
Motivated by the problem of domain formation in chromosomes, we studied a co--polymer model where only a subset of the monomers feel attractive interactions. These monomers are dis…
Zipf and Heaps laws from dependency structures in component systems
Andrea Mazzolini, Jacopo Grilli, Eleonora De Lazzari +3
Complex natural and technological systems can be considered, on a coarse-grained level, as assemblies of elementary components: for example, genomes as sets of genes, or texts as s…
How pairwise coevolutionary models capture the collective residue variability in proteins
Matteo Figliuzzi, Pierre Barrat-Charlaix, Martin Weigt
Global coevolutionary models of homologous protein families, as constructed by direct coupling analysis (DCA), have recently gained popularity in particular due to their capacity t…