290 citations
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7 papers · 1 filter
Real-space renormalization-group methods for hierarchical spin glasses
Michele Castellana
We focus on two real-space renormalization-group (RG) methods recently proposed for a hierarchical model of a spin glass: A sample-by-sample method, in which the RG transformation…
Symmetry reduction of the three-body problem based on Euler angles
Michele Castellana
We consider the classical three-body problem with an arbitrary pair potential which depends on the inter-body distance. A general three-body configuration is set by three "radial"…
Model of lamellipodium initiation during cell spreading
Mathieu Dedenon, Pierre Sens
Cell spreading requires a major reorganisation of the actin cytoskeleton, from a cortical structure to a lamellipodium where filaments are mostly parallel to the substrate. We prop…
Optimal localization patterns in bacterial protein synthesis
Jacky Nguyen, Michele Castellana
In bacterium, the molecular compounds involved in protein synthesis, messenger RNAs (mRNAs) and ribosomes, show marked intracellular localization patter…
Active Fingering Instability in Tissue Spreading
Ricard Alert, Carles Blanch-Mercader, Jaume Casademunt
During the spreading of epithelial tissues, the advancing tissue front often develops fingerlike protrusions. Their resemblance to traditional viscous fingering patterns in driven…
Active wetting of epithelial tissues
Carlos Pérez-González, Ricard Alert, Carles Blanch-Mercader +5
Development, regeneration and cancer involve drastic transitions in tissue morphology. In analogy with the behavior of inert fluids, some of these transitions have been interpreted…