Search Results - "Biroli, Giulio"

Machine learning glasses by Biroli, Giulio

“…Artificial neural networks now allow the dynamics of supercooled liquids to be predicted from their structure alone in an unprecedented way, thus providing a…”
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Theoretical perspective on the glass transition and amorphous materials by Berthier, Ludovic, Biroli, Giulio

“…We provide a theoretical perspective on the glass transition in molecular liquids at thermal equilibrium, on the spatially heterogeneous and aging dynamics of…”
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Breakdown of elasticity in amorphous solids by Biroli, Giulio, Urbani, Pierfrancesco

“…The response of amorphous solids to external stress is not very well understood. A study now shows that certain glasses, upon decreasing temperature, undergo a…”
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Random critical point separates brittle and ductile yielding transitions in amorphous materials by Ozawa, Misaki, Berthier, Ludovic, Biroli, Giulio, Rosso, Alberto, Tarjus, Gilles

“…We combine an analytically solvable mean-field elasto-plastic model with molecular dynamics simulations of a generic glass former to demonstrate that,…”
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Ideal glass transitions by random pinning by Cammarota, Chiara, Biroli, Giulio

“…We study the effect of freezing the positions of a fraction c of particles from an equilibrium configuration of a supercooled liquid at a temperature T. We…”
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Marginally stable equilibria in critical ecosystems by Biroli, Giulio, Bunin, Guy, Cammarota, Chiara

“…In this work we study the stability of the equilibria reached by ecosystems formed by a large number of species. The model we focus on are Lotka-Volterra…”
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Complex interactions can create persistent fluctuations in high-diversity ecosystems by Roy, Felix, Barbier, Matthieu, Biroli, Giulio, Bunin, Guy

“…When can ecological interactions drive an entire ecosystem into a persistent non-equilibrium state, where many species populations fluctuate without going to…”
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From non-ergodic eigenvectors to local resolvent statistics and back: A random matrix perspective by Facoetti, Davide, Vivo, Pierpaolo, Biroli, Giulio

“…We study the statistics of the local resolvent and non-ergodic properties of eigenvectors for a generalised Rosenzweig-Porter random matrix model, undergoing…”
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Complex Energy Landscapes in Spiked-Tensor and Simple Glassy Models: Ruggedness, Arrangements of Local Minima, and Phase Transitions by Ros, Valentina, Ben Arous, Gerard, Biroli, Giulio, Cammarota, Chiara

“…We study rough high-dimensional landscapes in which an increasingly stronger preference for a given configuration emerges. Such energy landscapes arise in…”
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Dynamical regimes of diffusion models by Biroli, Giulio, Bonnaire, Tony, de Bortoli, Valentin, Mézard, Marc

“…We study generative diffusion models in the regime where both the data dimension and the sample size are large, and the score function is trained optimally…”
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Local Dynamical Heterogeneity in Simple Glass Formers by Biroli, Giulio, Charbonneau, Patrick, Folena, Giampaolo, Hu, Yi, Zamponi, Francesco

“…We study the local dynamical fluctuations in glass-forming models of particles embedded in d-dimensional space, in the mean-field limit of d→∞. Our analytical…”
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Searching for the Gardner Transition in Glassy Glycerol by Albert, Samuel, Biroli, Giulio, Ladieu, François, Tourbot, Roland, Urbani, Pierfrancesco

“…We search for a Gardner transition in glassy glycerol, a standard molecular glass, measuring the third harmonics cubic susceptibility χ_{3}^{(3)} from slightly…”
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Revisiting the concept of activation in supercooled liquids by Baity-Jesi, Marco, Biroli, Giulio, Reichman, David R.

“…In this work, we revisit the description of dynamics based on the concepts of metabasins and activation in mildly supercooled liquids via the analysis of the…”
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Multiscale Data-Driven Energy Estimation and Generation by Marchand, Tanguy, Ozawa, Misaki, Biroli, Giulio, Mallat, Stéphane

“…We develop a multiscale approach to estimate high-dimensional probability distributions. Our approach applies to cases in which the energy function (or…”
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Comparison of static length scales characterizing the glass transition by Biroli, Giulio, Karmakar, Smarajit, Procaccia, Itamar

“…The dramatic dynamic slowing down associated with the glass transition is considered by many to be related to the existence of a static length scale that grows…”
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Scaling Description of Dynamical Heterogeneity and Avalanches of Relaxation in Glass-Forming Liquids by Tahaei, Ali, Biroli, Giulio, Ozawa, Misaki, Popović, Marko, Wyart, Matthieu

“…We provide a theoretical description of dynamical heterogeneities in glass-forming liquids, based on the premise that relaxation occurs via local…”
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Marvels and Pitfalls of the Langevin Algorithm in Noisy High-Dimensional Inference by Sarao Mannelli, Stefano, Biroli, Giulio, Cammarota, Chiara, Krzakala, Florent, Urbani, Pierfrancesco, Zdeborová, Lenka

“…Gradient-descent-based algorithms and their stochastic versions have widespread applications in machine learning and statistical inference. In this work, we…”
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Liu-Nagel phase diagrams in infinite dimension by Biroli, Giulio, Urbani, Pierfrancesco

“…We study Harmonic Soft Spheres as a model of thermal structural glasses in the limit of infinite dimension. We show that cooling, compressing and shearing a…”
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Effects of intraspecific cooperative interactions in large ecosystems by Altieri, Ada, Biroli, Giulio

“…We analyze the role of the Allee effect - a positive correlation between population density and mean individual fitness - for ecological communities formed by…”
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Role of fluctuations in the yielding transition of two-dimensional glasses by Ozawa, Misaki, Berthier, Ludovic, Biroli, Giulio, Tarjus, Gilles

“…We numerically study yielding in two-dimensional glasses which are generated with a very wide range of stabilities by swap Monte-Carlo simulations and then…”
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