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Libres pensées d'un mathématicien ordinaire Posts

Le temps qui passe

Published 2025-09-09

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Direction des études
Modular independence in determinantal processes
Restriction and conditioning
ChatGPT
DeepSeek on Debian
Convexity of entropies and integral representation
Diffusivity versus cutoff for GFF/OU/SHE
Singular values of spherical ensemble
Herglotz and Nevanlinna integral representations
Selected topics around concentration of measure
Beta/Gamma/Normal and Jacobi/Laguerre/Hermite
Diffeomorphic deformations of Markov diffusions
Back to basics : Fréchet-Shohat cumulants CLT
Automath
Around Barenblatt distributions
MCQ 2024
Spherical Ensemble
Le temps qui passe
Pyramides des âges 2025 en France
Convex functions as ReLU mixtures
Cutoff for high-dimensional curved diffusions
Lectures hérétiques
S3, Archimedes, SU2, and the semicircle
John von Neumann et Adele Gödel
Wasserstein distance for elliptic families
Concentration for projected distributions
Ivan Nikolaevich Sanov (1919 - 1968)
Back to basics : Johnson-Lindenstrauss lemma
Spectral gap concentration in high dimension
About variance and entropy
Cours de processus stochastiques
About rigidity for Markov diffusions
Logarithmic Sobolev inequalities again...
Arthur Koestler et Christophe Guilluy
About probability metrics
Back to basics : Student and Barenblatt
Back to basics : Lindeberg principle
The Man Who Trusted Atoms
Radial Riesz equilibrium on a sphere
Two details about Gaussians
A few words about entropy
Libres pensées de l'équinoxe
Archimedes theorem on sphere and cylinder
Algériennes - جزائريات
Back to basics : from LDP to CLT
Cutoff phenomenon for Markov processes
Chorba et kesra - شربة و كسرة
McCarthy multimatrices and log-gases
Back to basics : ODEs Lyapunov stability
Back to basics : Hamiltonian systems
Resolvent for tensors
A reverse Pinsker inequality
Wokisme
Rouchedy (1933 - 2022)
Linear ODEs instabilities
Demi-siècle
Johannes Kepler (1571 - 1630)
Édition scientifique
Poincaré for log-concave laws
Keeping up with the times
Back to basics : Cauchy-Stieltjes transform
Cours de licence
À propos de Bourbaki
About the beta in random matrices
Log-Sobolev and Bakry-Émery
Libres pensées de début d'année
Equilibrium measures and obstacle problems
Freeman J. Dyson (1923 - 2020)
Eigenvalues repulsion
Little ell p
Bibliothèque de mathématiques de l'ÉNS
Mellin transform and Riesz potentials
From Mao Zedong to Xi Jinping
Unexpected phenomena for equilibrium measures
Boltzmann-Gibbs entropic variational principle
Comment publier vertueusement ?
Few bits of optimal transportation
ar(X=5)iv
The Donnas
Encore et toujours à bicyclette
Accéder aux articles plus facilement
Dynamics of a planar Coulomb gas
Science ouverte (mathématiques)
Spectral radius from characteristic polynomial
École normale supérieure (mathématiques)
Completeness and right-continuity of filtrations
Brins d'impertinence pour la rentrée
Sinkhorn and circular law
Landen transformation of complete elliptic integrals
The Funk-Hecke formula
Le temps retrouvé
RNBM, zbMATH, ...
Fisher information between two Gaussians
Back to basics : the Dubins-Schwarz theorem
An exactly solvable model
Vice-présidence du numérique (2017 - 2020)
Three reasons for Gaussians
Pierre-Louis Lions - Dans la tête d'un mathématicien
Sub-Gaussian tail bound for local martingales
Modélisation et analyse quantitative
Back to basics : local martingales
Convergence of discrete time martingales
Une expérience banale d'enseignement à distance
Actualité linguistique
Unison
Verbund Selbstverwalteter Fahrradbetriebe
Back to basics - Hypergeometric functions
Online conferences
Modeling
Une décennie de blog
Au nom de l'infini
Recherche et développement
Formation à distance
Libres pensées d'un confiné
Paris-Dauphine : coronavirus et numérique
Coupling, divergences, and Markov kernels
Franchise universitaire et droit de grève
Numér'hic
Militantisme
Uniformization by dilation and truncation
Publications
About the Hellinger distance
MCQ 2018
An unexpected distribution
About convergence of random variables
Annals of mathematics : probability and statistics
Probability space
arXiv
Mouvement brownien et calcul stochastique
High Dimensional Probability and Algorithms : videos
Née dans le ciel et d'un coup de dés
Professeurs et étudiants
Jellium
Financement des revues scientifiques
Kernels
Enseigner
Analysis, probability, statistics
Publications
Projections
Aspects of Beta Ensembles
Dauphine
Law of large numbers
Maxwell characterization of Gaussian distributions
Convergence of martingales
MCQ 2017
Irreversible versus out of equilibrium
Almost sure
Yet another determinantal point process in nature?
Par un point situé sur un plan...
Around the circular law : an update
High Dimensional Probability and Algorithms
DOI for EJP and ECP papers from volumes 1-22
How to give a bad talk
Petites pensées de rentrée
Mathématiques de l'aléatoire et physique statistique
Free Journal Network
Automatic differentiation
Coulomb gases and Gaussian free field
Quantitatif
Parallel computing with Julia
Back to basics - Gamma law
Tutorial on large deviation principles
S. R. S. Varadhan on publishing
Random Matrix Diagonalization on Computer
Gumbel fit with Julia
Playing a bit with Julia
Concentration without moments
Around the circular law : erratum
Back to basics - Bits of fluctuations
ToughRoad
MEGA
Auto-apprentissage
Office 365
Windows - Linux
OfflineIMAP for Gmail and Outlook
About diffusions leaving invariant a given law
VPN : schéma directeur numérique
Journée ÉDP-Probas n°22
Journée algorithmes stochastiques
VPN : charge mentale
Concentration for Coulomb gases
Mathematics in Open Access : it works!
Étymologies
About the exponential series
Inspiration exists but it has to find you working
Lutte des classes et domination sociale
Carré du champ
Mathematics in Open Access
Back to basics - Irreducible Markov kernels
Prix des études supérieures
Complexion
Mind the gap!
VPN : engagement
Mathematical citation quotient for probability and statistics journals - 2016 update
Dauphine Plurielle
Mathématiques, probabilités, algorithmes
Réflexions sur les frais d'inscription en licence à l'université
Kantorovich invented Wasserstein distances
Back to basics – Divergence of a random walk
Probabilités - Préparation à l'agrégation interne
Apprentissage profond
Branching, nuclear bombs, and a polish american
EJP-ECP : Project Euclid
Recueil de modèles aléatoires
Intégration - alpha et omega
Vincennes - Polytechnique
Aspects of the Ornstein-Uhlenbeck process
Dauphine : frais de scolarité
EJP-ECP : twenty years of freeness
Le rouge et le noir
Back to basics - Pólya urns
Bartlett decomposition and other factorizations
List of publications
Recueil de modèles aléatoires
Enigmas of chance
About the central multinomial coefficient
Back to basics - Exchangeability
Nous sommes tous des faussaires
Kirchhoff determinant and Markov chain tree
Quelques aspects du temps présent
An adventure with Google search
Recueil de modèles aléatoires
Tightness
An exercise in linear algebra
Back to basics - Martingales
Toujours à bicyclette
Entropy ubiquity
Stéphane Charbonnier, dit Charb, dessinateur satirique
Baltic states
On certain 0-1 matrices
SLOCCount on OJS
Metropolis-Hastings algorithm - Who cares?
About random generators of geometric distribution
Erdős-Gallai theorem on degree sequence of graphs
Immobilier
Recueil de modèles stochastiques
Linux kernel 3.17 getrandom()
Productions pédagogiques de septembre
Wigner about level spacing and Wishart
Random walk, Dirichlet problem, and GFF
À bicyclette...
Probability and arXiv ubiquity in 2014 Fields medals
Mathematical citation quotient of statistics journals
Impostures intellectuelles
Offline Wikipedia
Informal aspects of free probability
Laurent Schwartz - Un mathématicien aux prises avec le siècle
Souvenirs - Saint-Flour 1999
Back to basics - Order statistics of exponential distribution
Paris-Dauphine - Quand l'Université fait École
Du côté des revues françaises
From Boltzmann to random matrices and beyond
The Julia Language
Random walks on regular graphs
De la Vallée Poussin on Uniform Integrability
Octave 3.8 in Debian with GUI and JIT
Back to basics - A moment with moments
Dyson about Littlewood
Random bits
Rêve anarchiste
Triangles
Mathematical citation quotient of probability journals
About the Jensen inequality
Confined particles with singular pair repulsion
Coût des publications : propositions concrètes
Le vieillissement, c'est maintenant
Premier cours à Dauphine
Recent advances on log-gases - IHP Paris - March 21, 2014
A cube, a starfish, a thin shell, and the central limit theorem
Quatre années à Marne-la-Vallée
Universal or complete convergence
Publications scientifiques : révolution du low cost
Back to basics - Multinomial law
Ordinateur - Littéraires et Industrie
Enseignement des probabilités
LaTeX editors under Linux
Average Characteristic Polynomial
Journées X-UPS 2013
Circular law for unconditional log-concave random matrices
The Bernstein theorem on completely monotone functions
Visual realities
Mean of a random variable on a metric space
Théorème vivant
Euclidean kernel random matrices in high dimension
A probabilistic proof of the Schoenberg theorem
Pour sauver l'Université
What is a good journal?
Révolution numérique
Random variables and the probstitute
An exercise on stopping times
Coût des publications : un exemple instructif
About the Wigner theorem
About the first Borel-Cantelli lemma
The ballot theorem
Determinant of block matrices
Emacsulation
Demographic transition
An observation on permutation matrices
Simulating random walks bridges again
Simulating random walks bridges
Simulating discrete probability laws
Generating uniform random partitions
Élections présidentielles
Bosons and fermions
Algorithms
Auto-edition et auto-diffusion
Just before the spring
A random walk on the unitary group
1905 - Brownian Motion
Marchands
From seductive theory to concrete applications
Spectrum of Markov generators of random graphs
Publications: science, money, and human comedy
Diff-icile de faire plus simple
A couple of recent programming languages
Martingales which are not Markov chains
Few bits on Boolean functions
Web to matrix Python module
Lorsqu'il n'y a pas d'étudiants dans la pièce...
Integration by parts
The Hoffman-Wielandt inequality
EJP and ECP
Central limit theorems for convex bodies
Three convex and compact sets of matrices
Numerics with Python
Independence and central limit theorems
Networking tricks
A matter of taste
Aspects of the Heisenberg group
Branch and bound
Tectonique des plaques
Two open problems about concentation
Ten years
Convex analysis
GeMeCoD and dokuwiki
Around the circular law
John Michael Hammersley
Markov chains
Roots of random polynomials
Linux story
Lettre de Charles Hermite à l'ambassadeur de Suède
Graphics and LaTeX
A couple of fast algorithms
Capitalisme
Two basic probabilistic proofs
The new C++ standard and its extensible random number facility
Journal
Changchun - Jilin province - China
Agrégation de mathématiques
Random uniform permutations
The empirical method of Maurey
Spring-Summer School Paris IHP 2011
Bitcoin finance anarchy
Optical Character Recognition for mathematics
Some aspects of the quantitative myth
Some famous nonlinear equations
Cioran
Size biased sampling and subpopulation sampling bias in statistics
Some nonlinear formulas in linear algebra
Smoke
Tracy-Widom
A quoi sert un blog - bis
Circular law: known facts and conjectures
Recette du sujet d'examen facile à corriger
Commissariat à l’Énergie Atomique et aux Énergies Alternatives
CLT for additive functionals of ergodic Markov diffusions processes
Prix de l'immobilier
Philippe Flajolet
No Dice!
Uniform bits
Beta laws: arcsine, uniform, semicircle
Voyage à Oran
Problème de la plus longue sous suite croissante
Haïku
Google.fr
Inégalité de Cauchy-Schwarz
Notes de cours
À quoi sert un blog
Concentration for empirical spectral distributions
Computational Rough Paths [CoRoPa]
Singular values and rows distances
The Marchenko-Pastur law
Curvature on discrete spaces
Correlation
From moments convergence to weak convergence
Bounded densities
Double exponential
Intertwining and commutation relations for birth-death processes
Aspects of the Complex Ginibre Ensemble
Back to basics - Coupon collector
Moments de solitude
Back to basics - Total variation distance
Few words on Poisson approximation
Un climat dogmatique
(La)TeX in the blog
Anderson localization
Provocation
Schur complement and geometry of positive definite matrices
Gaussians and matrix completion
Ludwig Boltzmann (1844 - 1906)

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