• 05 Oct 2026Google AI thinks Dan Ma is deadDan Ma's Topology Blog
• 05 Oct 2026Bayesian Workflow code is at the Bayesian Workflow website!Statistical Modeling, Causal Inference, and Social Science
• 05 Oct 2026OK, this is just weird (from Alaska Airlines)Statistical Modeling, Causal Inference, and Social Science
• 05 Oct 2026structure homomorphism principlenLab
• 05 Oct 2026JournalsPersiflage
• 05 Oct 2026Sexy ApocalypseWest Coast Stat Views (on Observational Epidemiology and more)
• 05 Oct 2026United Rugby Championship Predictions for Week 3Stats Chat
• 05 Oct 2026Top 14 Predictions for Round 6Stats Chat
• 05 Oct 2026Rugby Premiership Predictions for Round 3Stats Chat
• 05 Oct 2026Bunnings NPC Predictions for the Quarter-FinalsStats Chat
• 05 Oct 2026New paper: Ample stability implies rigidity for quiver moduliPieter Belmans
• 04 Oct 2026Vive les Nations unies ! MerciXi'an's Og
• 04 Oct 2026My new course at UT Austin: AI Alignment TheoryShtetl-Optimized
• 04 Oct 2026How many humans does it take to make tech seem human? Do you want to be one of them?Computational Complexity
• 04 Oct 2026On classical solutions and singularity formation in incompressible fluidsWhat's new
• 04 Oct 2026On classical solutions and singularity formation in incompressible fluidsWhat's new
• 04 Oct 2026Quantum Computers and Applied Mathematics at Brown UniversityCombinatorics and more
• 04 Oct 2026Sharing with colleagues, not AI chatbotsJérôme Buzzi’s
• 04 Oct 2026A plan to replicate the Loftus and Palmer (1974) experiment on false memoriesStatistical Modeling, Causal Inference, and Social Science
• 04 Oct 2026WOMBAT 2026Hyndsight
• 04 Oct 2026Miquel’s pentagon theoremJohn D. Cook
• 04 Oct 2026Topological models of modal logicJohn D. Cook
• 04 Oct 2026Modal logic and topologyJohn D. Cook
• 04 Oct 2026Fool me twiceStats Chat
• 03 Oct 2026Miquel’s pivot theoremJohn D. Cook
• 03 Oct 2026mostly Monte Carlo [09/10, PSC]Xi'an's Og
• 03 Oct 2026Weakly submeta-Lindelof countably compact spacesDan Ma's Topology Blog
• 03 Oct 2026Open problem resolved by Maximilian Tornes: the spectral radius knows where it came fromNoncommutative Analysis
• 03 Oct 2026Recent addenda to articles 202609: Errors, omissions, and retractionsThe Universe of Discourse
• 03 Oct 2026What does the advent of powerful AI models mean for mathematicians like me?What's new
• 03 Oct 2026What does the advent of powerful AI models mean for mathematicians like me?What's new
• 03 Oct 2026Using the computer to p-hack . . . I’d rather use it to fit multilevel models.Statistical Modeling, Causal Inference, and Social Science
• 03 Oct 2026I moved (my website)Konrad Völkel
• 02 Oct 2026If you were planning to send me a chatbot-written email or post a chatbot-written comment, just send or post your prompt. That’s enough. You can keep the slop to yourself.Statistical Modeling, Causal Inference, and Social Science
• 02 Oct 2026semi-marathon d’Argentan [30th year]Xi'an's Og
• 02 Oct 2026AIM: an invitation to explore mathematics togetherWhat's new
• 02 Oct 2026AIM: an invitation to explore mathematics togetherWhat's new
• 02 Oct 2026247A, Notes 2: The Hardy–Littlewood maximal function and applicationsWhat's new
• 02 Oct 2026247A, Notes 2: The Hardy–Littlewood maximal function and applicationsWhat's new
• 02 Oct 2026Nicholas Goddamn RoerichStatistical Modeling, Causal Inference, and Social Science
• 02 Oct 2026SpringNoncommutative Analysis
• 02 Oct 2026A Useful Taxonomy of AI Doomers, Accelerationists, and SkepticsWest Coast Stat Views (on Observational Epidemiology and more)
• 02 Oct 2026arXiv updates its rate limiting policyWhat's new
• 02 Oct 2026arXiv updates its rate limiting policyWhat's new
• 02 Oct 2026Fair budgets from ranked ballots: PB-EARAlgorithmics, Social choice, Market Design, and Other Topics
• 02 Oct 2026New appendix: An effective expression for the decomposition of Fano schemes of intersections of two quadricsPieter Belmans
• 01 Oct 2026Philosophy and Logic of Games, Notre Dame, Fall 2026Joel David Hamkins
• 01 Oct 2026neurips unconference [ELLIS]Xi'an's Og
• 01 Oct 2026When are Causal Inference Methods Needed to Answer Causal Questions?Statistical Modeling, Causal Inference, and Social Science
• 01 Oct 2026Bell-bottom jeans, disco, gas shortages, and ESPStatistical Modeling, Causal Inference, and Social Science
• 01 Oct 2026Mathematics and the AI crisisThe value of the variable
• 01 Oct 2026The Bond Sell-off and the AI BubbleWest Coast Stat Views (on Observational Epidemiology and more)
• 01 Oct 2026Visions of alien planets from Copernicus to Star WarsThe Renaissance Mathematicus
• 30 Sep 2026Українську науку не знищити [Заява Національної академії наук України]Xi'an's Og
• 30 Sep 2026Linkage11011110
• 30 Sep 2026Does Programming Help You Understand Complexity?Computational Complexity
• 30 Sep 2026Prior distributions, partial pooling, and reference sets (Bayesians are frequentists)Statistical Modeling, Causal Inference, and Social Science
• 30 Sep 2026ApologyPeter Cameron's Blog
• 30 Sep 2026Two reportsWhat's new
• 30 Sep 2026Two reportsWhat's new
• 30 Sep 2026LLMs may be capable of recursive improvement, but the self part still has a ways to goWest Coast Stat Views (on Observational Epidemiology and more)
• 30 Sep 2026How AI does, and does not, change the way I do mathWhat's new
• 30 Sep 2026How AI does, and does not, change the way I do mathWhat's new
• 29 Sep 2026International Safe Abortion DayXi'an's Og
• 29 Sep 2026Survey Statistics: ANOVA follow-upStatistical Modeling, Causal Inference, and Social Science
• 29 Sep 2026Is it true that “AI Chooses Nuclear Option in 95% of War Simulations”?Statistical Modeling, Causal Inference, and Social Science
• 29 Sep 2026United Rugby Championship Predictions for Week 2Stats Chat
• 29 Sep 2026Top 14 Predictions for Round 5Stats Chat
• 29 Sep 2026Jeff Fest: Probabilistic Combinatorics at RutgersCombinatorics and more
• 29 Sep 2026Rugby Premiership Predictions for Round 2Stats Chat
• 29 Sep 2026NRL Predictions for the Grand FinalStats Chat
• 29 Sep 2026Can we finally put a stake in the heart of the climate benefits of the AI bubble argument?West Coast Stat Views (on Observational Epidemiology and more)
• 29 Sep 2026Bunnings NPC Predictions for Week 10Stats Chat
• 29 Sep 2026My “Knowmads” podcast on science and AIShtetl-Optimized
• 28 Sep 2026Monte Carlo Methods in Stockholm 2026Xi'an's Og
• 28 Sep 2026Joint Statement about MathathonWhat's new
• 28 Sep 2026Joint Statement about MathathonWhat's new
• 28 Sep 2026A nonlinear effect plus measurement error in x becomes close to linear: A simulation studyStatistical Modeling, Causal Inference, and Social Science
• 28 Sep 2026What’s the Future for Pure Math Research in the Age of AI?Stephen Wolfram Writings
• 28 Sep 2026No scheduled blog post todayStatistical Modeling, Causal Inference, and Social Science
• 28 Sep 2026The Wall Street Journal sounds a bit concerned.West Coast Stat Views (on Observational Epidemiology and more)
• 28 Sep 2026Visit to ArmeniaHydrobates
• 28 Sep 2026What is the point of AI-disclosure?Computational Complexity
• 28 Sep 2026On the fundamental theorem of finite games, CUNY Student Logic Seminar, October 2026Joel David Hamkins
• 27 Sep 2026Doing math together in the age of AIShort, Fat Matrices
• 27 Sep 2026c’était comme çaXi'an's Og
• 27 Sep 2026AI disclosures done rightPersiflage
• 27 Sep 2026Survey of academic bureaucracyStatistical Modeling, Causal Inference, and Social Science
• 27 Sep 2026Cognitive Sanctuaries or: Manifesto of the Department ChairWhat's new
• 27 Sep 2026Cognitive Sanctuaries or: Manifesto of the Department ChairWhat's new
• 27 Sep 2026Marcus theory and Marcus practiceQuantum Frontiers
• 27 Sep 2026I guess this is what they mean when they talk about “reactionary centrism”: Corruption of government facilitated by enablers in intellectual societyStatistical Modeling, Causal Inference, and Social Science
• 26 Sep 2026Tidy up, Claude!Xi'an's Og
• 26 Sep 2026Roots of UnityPersiflage
• 26 Sep 2026A value-based approach to mathematicsWhat's new
• 26 Sep 2026A value-based approach to mathematicsWhat's new
• 26 Sep 2026As a society, we are pretty good at transferring money to political pundits, but we’re not very good at nurturing the human capital they would need to correct their own mistakes.Statistical Modeling, Causal Inference, and Social Science
• 26 Sep 2026Governing Fairness in Insurance Pricing: The Trilemma of Actuarial Adequacy, Solidarity, and Causal LegitimacyFreakonometrics
• 25 Sep 2026The class of paracompact spaces is a perfect classDan Ma's Topology Blog
• 25 Sep 2026no privacy in natureXi'an's Og
• 25 Sep 2026Postdoc hiring season at FlatironStatistical Modeling, Causal Inference, and Social Science
• 25 Sep 2026L-systems generate weevils, pizza toppings, and matriarchal lineagesThe Universe of Discourse
• 25 Sep 2026They were trying to convince everybody to have 3 kidsStatistical Modeling, Causal Inference, and Social Science
• 25 Sep 2026Servers in dawn-dusk orbitJohn D. Cook
• 25 Sep 2026Maybe AI getting too smart too quickly is not our most immediate concern.West Coast Stat Views (on Observational Epidemiology and more)
• 25 Sep 2026Tobias Boege and Geva Yashfe: Recognizing Algebraic Matroids Is UndecidableCombinatorics and more
• 25 Sep 2026The road to epsilon-zero: “Shortlex” isn't actually a single orderThe Universe of Discourse
• 25 Sep 2026An exceptional object for the irregular Waldron--Witaszek Fano fourfoldPieter Belmans
• 24 Sep 2026Binomial Coefficient CoincidencesThe n-Category Café
• 24 Sep 2026Are business schools intellectually bankrupt? (Part Two)Persiflage
• 24 Sep 2026Visit to GeorgiaHydrobates
• 24 Sep 2026It’s fine to use computer-generated survey responses—if you don’t care about the data anyway!Statistical Modeling, Causal Inference, and Social Science
• 24 Sep 2026Making the case for Ed Zitron as the last of the great bloggers.West Coast Stat Views (on Observational Epidemiology and more)
• 24 Sep 2026Take it to the limit one more time – a history of calculus VThe Renaissance Mathematicus
• 24 Sep 2026Take it to the limit one more time – a history of calculus IVbThe Renaissance Mathematicus
• 24 Sep 2026zeta(5) is irrationalPersiflage
• 23 Sep 2026CKKS — Encryption and DecryptionMath ∩ Programming
• 23 Sep 2026The New STOC Rules for the AI EraComputational Complexity
• 23 Sep 2026Navigation with only addition, subtraction, and tablesJohn D. Cook
• 23 Sep 2026Noting another house repair chore victoryThe Universe of Discourse
• 23 Sep 2026Here’s a causal inference problem: where did the estimate of $64 million come from in “Blake Lively Says She Suffered $64 Million Financial Fallout From Justin Baldoni Conflict . . .”?Statistical Modeling, Causal Inference, and Social Science
• 23 Sep 2026A rationalist, a cynic and an anthropologist walk into a bar...West Coast Stat Views (on Observational Epidemiology and more)
• 23 Sep 2026CS 2881 Fall 26: Lecture 1: IntroductionWindows On Theory
• 22 Sep 2026Work diary victoryThe Universe of Discourse
• 22 Sep 2026Survey Statistics: Fat Bear Week 2026Statistical Modeling, Causal Inference, and Social Science
• 22 Sep 2026Real quadratic fields and finite quantum dilogarithms IPersiflage
• 22 Sep 2026Nathaniel BowditchJohn D. Cook
• 22 Sep 2026“Phonics is a fad, but it’s also good, so we should do it anyway, even though it will probably disappoint people”Statistical Modeling, Causal Inference, and Social Science
• 22 Sep 2026That was uglyWest Coast Stat Views (on Observational Epidemiology and more)
• 22 Sep 2026“Be a Grothendieck!”—On AI and MathematicsCombinatorics and more
• 22 Sep 2026Quantifying Portfolio DemutualizationFreakonometrics
• 22 Sep 2026Friedman test in R, or the nonparametric version of the repeated measures ANOVAStats and R
• 21 Sep 2026Haversine lawJohn D. Cook
• 21 Sep 2026Do high school students have to work harder nowadays?Statistical Modeling, Causal Inference, and Social Science
• 21 Sep 2026One could easily wish for a more-conceptual approach: why should One consider those combinations of…https://jessecmckeown.tumblr.com/
• 21 Sep 2026The most important thing to remember about the incident where OpenAI agents went rogue is that it never happened.West Coast Stat Views (on Observational Epidemiology and more)
• 21 Sep 2026Edwards!https://jessecmckeown.tumblr.com/
• 20 Sep 2026Binomial Coefficient CoincidencesAzimuth
• 20 Sep 2026I don't care about majors, minors, or honors programs. Do you?Computational Complexity
• 20 Sep 2026An even PSL_2(F_23) Galois extensionPersiflage
• 20 Sep 2026Quantum Computers Need More than “Magic”Quantum Frontiers
• 20 Sep 2026How did it go, this prediction from ten years ago about Japanese fertility in 2026?Statistical Modeling, Causal Inference, and Social Science
• 20 Sep 2026Visit to AzerbaijanHydrobates
• 19 Sep 2026Theory Beyond Theorems and Proofs: A Guest PostShtetl-Optimized
• 19 Sep 2026Qui assure l’assureur de dernier ressort ?Freakonometrics
• 19 Sep 2026The Immigration and Nationality Act of 1952Statistical Modeling, Causal Inference, and Social Science
• 19 Sep 2026Why fitting a logistic is nearly impossible from early dataJohn D. Cook
• 18 Sep 2026Objects, Models, Theories • 4Inquiry Into Inquiry
• 18 Sep 2026Meritocracy to-morrow and meritocracy yesterday – but never meritocracy to-dayStatistical Modeling, Causal Inference, and Social Science
• 18 Sep 2026Friday TweetsWest Coast Stat Views (on Observational Epidemiology and more)
• 17 Sep 2026Ways to improve Mathematics (an introduction)Persiflage
• 17 Sep 2026Empirical fractalJohn D. Cook
• 17 Sep 2026AI and Manufacturing ReduxComputational Complexity
• 17 Sep 2026Phone wordsJohn D. Cook
• 17 Sep 2026Scientific citations as an overwhelmed communication channelStatistical Modeling, Causal Inference, and Social Science
• 17 Sep 2026Computer scientist Cal Newport adds some clarity to the AI debateWest Coast Stat Views (on Observational Epidemiology and more)
• 17 Sep 2026Why I didn’t sign the Fields medallists’ letterGowers's Weblog
• 17 Sep 2026The Bloch-Beilinson filtration on Chow groupsGeometry Bulletin Board
• 16 Sep 2026Converting between cosine similarity and concentration ratioJohn D. Cook
• 16 Sep 2026Coffee + milk ≠ latteJohn D. Cook
• 16 Sep 2026It’s satisfying to see the economics profession come around on some things (regression discontinuity analysis and so-called risk aversion)Statistical Modeling, Causal Inference, and Social Science
• 16 Sep 2026Fibonacci productJohn D. Cook
• 16 Sep 2026Maybe we could just try going back to the old fashioned notion of enforcing laws.West Coast Stat Views (on Observational Epidemiology and more)
• 16 Sep 2026The evolution of a mathematical instrument – IThe Renaissance Mathematicus
• 16 Sep 2026Charting the Agentic Garden of Forking PathsStatistical Modeling, Causal Inference, and Social Science
• 16 Sep 2026Can this go? On role presentation inheritance.Peter Krautzberger
• 15 Sep 2026Simple approximation for spherical cap areaJohn D. Cook
• 15 Sep 2026Survey Statistics: ANOVAStatistical Modeling, Causal Inference, and Social Science
• 15 Sep 2026Linkage11011110
• 15 Sep 2026Qui doit partager le risque avec qui?Freakonometrics
• 15 Sep 2026The Age of Wonders and TerrorsShtetl-Optimized
• 15 Sep 2026What counts as a large cosine similarity?John D. Cook
• 15 Sep 2026“Protection from inappropriate influence is a hallmark of scientific integrity” . . . not any more!Statistical Modeling, Causal Inference, and Social Science
• 15 Sep 2026The timing of Sam Altman's principled stand is a bit suspiciousWest Coast Stat Views (on Observational Epidemiology and more)
• 15 Sep 2026Alef’s corner: AI and PercolationCombinatorics and more
• 15 Sep 2026The Washington Nationals are hiring!Statistical Modeling, Causal Inference, and Social Science
• 15 Sep 2026How the continuum hypothesis could have been a fundamental axiom, one necessary for mathematics, Notre Dame, Mathematical Philosophy Seminar, Sep 2026Joel David Hamkins
• 14 Sep 2026Objects, Models, Theories • 3Inquiry Into Inquiry
• 14 Sep 2026AI and Maths (August-September 2026)Beni Bogoşel's blog
• 14 Sep 2026New York City Psychometrics GroupStatistical Modeling, Causal Inference, and Social Science
• 14 Sep 2026Periodic coloring of infinite planar graphs11011110
• 14 Sep 2026This is how we do modern frequentist statistics: Using fake-data simulation to understand what can happen in a studyStatistical Modeling, Causal Inference, and Social Science
• 14 Sep 2026Math, AI, and the Navier-Stokes EquationsComputational Complexity
• 14 Sep 2026Sanewashing RevisitedWest Coast Stat Views (on Observational Epidemiology and more)
• 14 Sep 2026Guessing the meaning of a numberJohn D. Cook
• 14 Sep 2026It’s Industrial and Systems Engineering Day!Laura Albert's Punk Rock Operations Research
• 13 Sep 2026What’s happening with the models of the Atlantic Meridional Overturning Circulation?Statistical Modeling, Causal Inference, and Social Science
• 12 Sep 2026Objects, Models, Theories • 2Inquiry Into Inquiry
• 12 Sep 2026On the Hodge conjectureGeometry Bulletin Board
• 12 Sep 2026George Orwell's essay on the atomic bomb anticipates Nineteen Eighty-FourThe Universe of Discourse
• 12 Sep 2026… and somewhere else the tea’s getting coldSince it is not …
• 12 Sep 2026Annals of hype: Did this discovery in 2012 mark “the discovery of the final laws of nature . . . a discontinuity in human intellectual history, the sharpest that has occurred since the beginning of modern science in the 17th century?”Statistical Modeling, Causal Inference, and Social Science
• 11 Sep 2026Why I don’t like highest posterior density (HPD) intervalsStatistical Modeling, Causal Inference, and Social Science
• 11 Sep 20269/11 in BerkeleyShtetl-Optimized
• 11 Sep 2026“Belief” is not something you have; rather, it’s a relationship between thought and action.Statistical Modeling, Causal Inference, and Social Science
• 11 Sep 2026Nothing untoward going on hereWest Coast Stat Views (on Observational Epidemiology and more)
• 11 Sep 2026Jesús A. De Loera, Ethan X. Fang, Shengtao Guo, Junwei Lu, and Hailun Zheng Proved the Simplex–Cube Conjecture for Simple Polytopes.Combinatorics and more
• 11 Sep 2026Happy Birthday C. S. Peirce: Peircean Induction and the Error-Correcting ThesisError Statistics Philosophy
• 11 Sep 2026Rationality of hypersurfaces: a new websitePieter Belmans
• 10 Sep 2026When journals are slow to implement or enforce policies to manage sloppy, majority AI-authored papers, reviewers can and should push backStatistical Modeling, Causal Inference, and Social Science
• 10 Sep 2026AI: it’s here to helpJérôme Buzzi’s
• 10 Sep 2026Objects, Models, Theories • 1Inquiry Into Inquiry
• 10 Sep 2026Why I still like Orwell’s “Politics and the English Language” essay (even though he gets some of the linguistics wrong)Statistical Modeling, Causal Inference, and Social Science
• 10 Sep 2026Bayesian OCRJohn D. Cook
• 10 Sep 2026It turned out that Microsoft CEO Satya Nadella actually could overstate the breakthrough of the metaverseWest Coast Stat Views (on Observational Epidemiology and more)
• 10 Sep 2026Some late-night thoughts on AI and the future of research in mathematicsMatt Baker's Math Blog
• 09 Sep 2026Look, Mom, I pressed a button! (Go edition)Persiflage
• 09 Sep 2026Navier-Stokes and LeanComputational Complexity
• 09 Sep 2026A 50-year-old computer-assisted proofJohn D. Cook
• 09 Sep 2026AI is an intelligence multiplierJohn D. Cook
• 09 Sep 2026Living on the Edge: Aggressive mediocrity at the summit of America’s intellectual cultureStatistical Modeling, Causal Inference, and Social Science
• 09 Sep 2026The part of Navier-Stokes no one is talking aboutJohn D. Cook
• 09 Sep 2026It's like something from a science fiction story. (No, it's literally* something from a science fiction novel)West Coast Stat Views (on Observational Epidemiology and more)
• 09 Sep 2026Take it to the limit one more time – a history of calculus IVThe Renaissance Mathematicus
• 09 Sep 2026The big oneNoncommutative Analysis
• 09 Sep 2026A noncommutatively rigid Fano fivefoldPieter Belmans
• 08 Sep 2026Survey Statistics: Pew Research finds “No Easy Fix for Bogus Respondents in Online Opt-In Polls”Statistical Modeling, Causal Inference, and Social Science
• 08 Sep 2026The E6 Root PolytopeThe n-Category Café
• 08 Sep 2026Navier-Stokes in the newsJohn D. Cook
• 08 Sep 2026Hey–here’s an R package for imputing Census data using iterative proportional fitting on available margins.Statistical Modeling, Causal Inference, and Social Science
• 08 Sep 2026Coming soon to a theater near you...West Coast Stat Views (on Observational Epidemiology and more)
• 08 Sep 2026OvertakenCombinatorics and more
• 08 Sep 20263 survival tips for first-year college studentsLaura Albert's Punk Rock Operations Research
• 07 Sep 2026Representable Matroid LiftsThe Matroid Union
• 07 Sep 2026Ngram error rateJohn D. Cook
• 07 Sep 2026Back to the future with W. ThurstonJérôme Buzzi’s
• 07 Sep 2026“In the Weights”—an exclusive invitation just for you!Statistical Modeling, Causal Inference, and Social Science
• 07 Sep 2026It's Labor Day, so we're taking time off and running a repostWest Coast Stat Views (on Observational Epidemiology and more)
• 06 Sep 2026Does anyone have a lower Jordan3 number than Evans Boney? (And what about the Ariely-Armstrong-Enron number?)Statistical Modeling, Causal Inference, and Social Science
• 06 Sep 2026How can objects interact without touching?Quantum Frontiers
• 06 Sep 20267th European Actuarial Journal Conference in IstanbulFreakonometrics
• 06 Sep 2026The E6 Root PolytopeAzimuth
• 05 Sep 2026Look, Mom, I pressed a button!Persiflage
• 05 Sep 2026Proof of the rank-trace theoremJohn D. Cook
• 05 Sep 2026OK, here’s a statistics problem for you, ripped directly from the headlines!Statistical Modeling, Causal Inference, and Social Science
• 04 Sep 2026Updates on HEIR, the homomorphic encryption compiler projectMath ∩ Programming

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