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Numerical evidences of universal trap-like aging dynamics
Chiara Cammarota, Enzo Marinari
Trap models have been initially proposed as toy models for dynamical relaxation in extremely simplified rough potential energy landscapes. Their importance has considerably grown r…
Phase transitions in integer linear problems
S. Colabrese, D. De Martino, L. Leuzzi +1
The resolution of linear system with positive integer variables is a basic yet difficult computational problem with many applications. We consider sparse uncorrelated random system…
Matching microscopic and macroscopic responses in glasses
Janus Collaboration, M. Baity-Jesi, E. Calore +20
We first reproduce on the Janus and Janus II computers a milestone experiment that measures the spin-glass coherence length through the lowering of free-energy barriers induced by…
Numerical construction of the Aizenman-Wehr metastate
A. Billoire, L. A. Fernandez, A. Maiorano +6
Chaotic size dependence makes it extremely difficult to take the thermodynamic limit in disordered systems. Instead, the metastate, which is a distribution over thermodynamic state…
ceRNA crosstalk stabilizes protein expression and affects the correlation pattern of interacting proteins
Araks Martirosyan, Andrea De Martino, Andrea Pagnani +1
Gene expression is a noisy process and several mechanisms, both transcriptional and posttranscriptional, can stabilize protein levels in cells. Much work has focused on the role of…
A yield-cost tradeoff governs Escherichia coli's decision between fermentation and respiration in carbon-limited growth
Matteo Mori, Enzo Marinari, Andrea De Martino
Many microbial systems are known to actively reshape their proteomes in response to changes in growth conditions induced e.g. by nutritional stress or antibiotics. Part of the re-a…