[HTML][HTML] Cleaning large correlation matrices: tools from random matrix theory
This review covers recent results concerning the estimation of large covariance matrices
using tools from Random Matrix Theory (RMT). We introduce several RMT methods and …
using tools from Random Matrix Theory (RMT). We introduce several RMT methods and …
Mean field games
JM Lasry, PL Lions - Japanese journal of mathematics, 2007 - Springer
We survey here some recent studies concerning what we call mean-field models by analogy
with Statistical Mechanics and Physics. More precisely, we present three examples of our …
with Statistical Mechanics and Physics. More precisely, we present three examples of our …
[BOOK][B] An introduction to random matrices
GW Anderson, A Guionnet, O Zeitouni - 2010 - books.google.com
The theory of random matrices plays an important role in many areas of pure mathematics
and employs a variety of sophisticated mathematical tools (analytical, probabilistic and …
and employs a variety of sophisticated mathematical tools (analytical, probabilistic and …
Moments and cumulants of polynomial random variables on unitarygroups, the Itzykson-Zuber integral, and free probability
B Collins - International Mathematics Research Notices, 2003 - ieeexplore.ieee.org
We consider integrals on unitary groups U d of the form ?U_dU_i_1?j_1⋯U_i_q?j_qU_j^'_1i
^'_1^∗⋯U_j^'_q^'i^'_q^'^∗dU. We give an explicit formula in terms of characters of …
^'_1^∗⋯U_j^'_q^'i^'_q^'^∗dU. We give an explicit formula in terms of characters of …
Critical points in quantum generative models
ER Anschuetz - arxiv preprint arxiv:2109.06957, 2021 - arxiv.org
One of the most important properties of neural networks is the clustering of local minima of
the loss function near the global minimum, enabling efficient training. Though generative …
the loss function near the global minimum, enabling efficient training. Though generative …
Can the macroscopic fluctuation theory be quantized?
D Bernard - Journal of Physics A: Mathematical and Theoretical, 2021 - iopscience.iop.org
The macroscopic fluctuation theory (MFT) is an effective framework to describe transports
and their fluctuations in classical out-of-equilibrium diffusive systems. Whether the MFT may …
and their fluctuations in classical out-of-equilibrium diffusive systems. Whether the MFT may …
Matrix denoising: Bayes-optimal estimators via low-degree polynomials
G Semerjian - Journal of Statistical Physics, 2024 - Springer
We consider the additive version of the matrix denoising problem, where a random
symmetric matrix S of size n has to be inferred from the observation of Y= S+ Z, with Z an …
symmetric matrix S of size n has to be inferred from the observation of Y= S+ Z, with Z an …
Jeux à champ moyen. II–Horizon fini et contrôle optimal
JM Lasry, PL Lions - Comptes Rendus. Mathématique, 2006 - numdam.org
Résumé Nous poursuivons dans cette Note notre étude de la notion de jeux à champ
moyen introduite dans une Note précédente. Nous considérons ici le cas d'équilibres de …
moyen introduite dans une Note précédente. Nous considérons ici le cas d'équilibres de …
Perturbative construction of mean-field equations in extensive-rank matrix factorization and denoising
Factorization of matrices where the rank of the two factors diverges linearly with their sizes
has many applications in diverse areas such as unsupervised representation learning …
has many applications in diverse areas such as unsupervised representation learning …
Statistical limits of dictionary learning: random matrix theory and the spectral replica method
We consider increasingly complex models of matrix denoising and dictionary learning in the
Bayes-optimal setting, in the challenging regime where the matrices to infer have a rank …
Bayes-optimal setting, in the challenging regime where the matrices to infer have a rank …