• 20 Jul 2026アサヒ生ビール マルエフXi'an's Og
• 20 Jul 2026The new counterexample to the Jacobian conjectureSecret Blogging Seminar
• 20 Jul 2026Volume to Area ratio for Regular SolidsJohn D. Cook
• 20 Jul 2026Solving a chess puzzle with Grok 4.5John D. Cook
• 20 Jul 2026Rebecca Makkai points out: Fancy three-dimensional sets are easier to construct in books than in movies, but harder to explainStatistical Modeling, Causal Inference, and Social Science
• 20 Jul 2026"The media is important for many, many reasons, but one of the biggest ones is that scrutiny is what keeps capital in check, for the benefit of humanity and at times the companies themselves."West Coast Stat Views (on Observational Epidemiology and more)
• 20 Jul 2026IMO 2026 ProblemsBeni Bogoşel's blog
• 20 Jul 2026The road to epsilon-zero: Nim always ends, even with infinite ordinalsThe Universe of Discourse
• 19 Jul 2026Fitting a regular expression to a list of wordsJohn D. Cook
• 19 Jul 2026Sum of low squaresJohn D. Cook
• 19 Jul 2026Bipartite Perfect Matching in Deterministic NCComputational Complexity
• 19 Jul 2026Ted-talking University of California professor asks sex trafficker for $3,000,000 because he thinks there’s a “50% chance” he’ll make “important discoveries” in telepathyStatistical Modeling, Causal Inference, and Social Science
• 19 Jul 2026Integer complexity and cographs11011110
• 19 Jul 2026The road to epsilon-zero: ordinals as nim-heapsThe Universe of Discourse
• 18 Jul 2026Are Information Constraint Axioms an Alternative Endgame for Complexity Theory?Speedup in Computational Complexity
• 18 Jul 2026The Swing of Life [Women behind the lens]Xi'an's Og
• 18 Jul 2026NISQ and quantum supremacy did not failShtetl-Optimized
• 18 Jul 2026Octonions and the Standard Model (Part 15)The n-Category Café
• 18 Jul 2026Galilean Limits of ElectromagnetismAzimuth
• 18 Jul 2026It’s all about the Super Pacs: How the New York Times completely misreported campaign contributions in the Maine Senate raceStatistical Modeling, Causal Inference, and Social Science
• 18 Jul 2026My friend Mark WiseQuantum Frontiers
• 18 Jul 2026More scientists in the Epstein files, including a roboticist and an ESP researcherStatistical Modeling, Causal Inference, and Social Science
• 18 Jul 2026Souvenirs from Timisoara: an invariant subspace theorem and a solution of an open problem of McCarthy and ShalitNoncommutative Analysis
• 17 Jul 2026arXiv, not AIrXiv!Xi'an's Og
• 17 Jul 2026Visualizing Medical Code HierarchyJohn D. Cook
• 17 Jul 2026Regular expressions for HCPCS codesJohn D. Cook
• 17 Jul 2026Herman ChernoffStatistical Modeling, Causal Inference, and Social Science
• 17 Jul 2026If things get really bad, Ellison can always sell that island back to HawaiiWest Coast Stat Views (on Observational Epidemiology and more)
• 17 Jul 2026Regular expression speed and error ratesJohn D. Cook
• 17 Jul 2026Kyoto 京都 (part 2)Freakonometrics
• 17 Jul 2026Two more apps: visualizing the zeta process and the motions of the heavensWhat's new
• 17 Jul 2026Two more apps: visualizing the zeta process and the motions of the heavensWhat's new
• 16 Jul 2026perfect randomness?Xi'an's Og
• 16 Jul 2026All Watched OverWindows On Theory
• 16 Jul 2026Reviews of our Bayesian Workflow book from Bin Yu, David Spiegelhalter, Brad Efron, Christian Robert, Rohan Alexander, and Mine Doğucu!Statistical Modeling, Causal Inference, and Social Science
• 16 Jul 2026We haven't heard much about oil reserves lately. I'm sure everyting's fine.West Coast Stat Views (on Observational Epidemiology and more)
• 16 Jul 2026Micha A. Perles 90th Birthday MeetingCombinatorics and more
• 15 Jul 2026left to their own devicesXi'an's Og
• 15 Jul 2026Polar Decomposition and Partial IsometriesOpen System – Ark's blog
• 15 Jul 2026Linkage11011110
• 15 Jul 2026Herman Chernoff (1923-2026)Computational Complexity
• 15 Jul 2026A ranked-choice election in Maine: Using voting data to understand preferencesStatistical Modeling, Causal Inference, and Social Science
• 15 Jul 2026Take it to the limit one more time – a history of calculus I.IThe Renaissance Mathematicus
• 15 Jul 2026Translating Phillip’s 1860 memoir on the mathematics of telling timeYet Another Mathblog
• 15 Jul 2026As previously mentioned, sometimes it's less about the facts and more about who's saying them.West Coast Stat Views (on Observational Epidemiology and more)
• 15 Jul 2026New paper: Fano 4-fold quiver moduli from subspace quiversPieter Belmans
• 14 Jul 2026AI and Math proofs – Part IMy Brain is Open
• 14 Jul 2026a journal of the burning yearXi'an's Og
• 14 Jul 2026Survey Statistics: quantifying uncertainty in ranked choice voting pollsStatistical Modeling, Causal Inference, and Social Science
• 14 Jul 2026Visualizing the Gilbreath expectation sequenceWhat's new
• 14 Jul 2026Visualizing the Gilbreath expectation sequenceWhat's new
• 14 Jul 2026Call for long programs, workshops, and summer schools at IPAMWhat's new
• 14 Jul 2026Call for long programs, workshops, and summer schools at IPAMWhat's new
• 14 Jul 2026ICD-10 chapters and code lettersJohn D. Cook
• 14 Jul 2026“Making Statistics Work: Information Theory and Bayesian Inference”Statistical Modeling, Causal Inference, and Social Science
• 14 Jul 2026A fun little video from science writer and YouTuber Kyle HillWest Coast Stat Views (on Observational Epidemiology and more)
• 14 Jul 2026Currie Cup Predictions for Round 1Stats Chat
• 14 Jul 2026A paper diagram visualizerWhat's new
• 14 Jul 2026A paper diagram visualizerWhat's new
• 14 Jul 2026NRL Predictions for Round 20Stats Chat
• 14 Jul 2026AFL Predictions for Week 20Stats Chat
• 13 Jul 2026Nature’s beach booksXi'an's Og
• 13 Jul 2026It’s all about the nonlinearity: An interesting statistical example of flaws in a voter impact indexStatistical Modeling, Causal Inference, and Social Science
• 13 Jul 2026It’s 2030 and we fucked up. How did it happen?Windows On Theory
• 13 Jul 2026A not-so-done dealWest Coast Stat Views (on Observational Epidemiology and more)
• 13 Jul 2026A random variable visualizerWhat's new
• 13 Jul 2026A random variable visualizerWhat's new
• 13 Jul 2026Cubic 4-folds: special cubic fourfolds and their K3 surfacesPieter Belmans
• 12 Jul 20262... 1/2 THEN 3... 1/6 THEN 5 ....1/15 and so on. And So On?Computational Complexity
• 12 Jul 2026Nature tidbits [18 June]Xi'an's Og
• 12 Jul 2026Posterior varianceJohn D. Cook
• 12 Jul 2026Posterior meanJohn D. Cook
• 12 Jul 2026“Archaeology can’t give social scientists population or GDP, but here are some things we can measure that might be useful for social science.”Statistical Modeling, Causal Inference, and Social Science
• 12 Jul 2026le superficie algebriche: a table and more surfacesPieter Belmans
• 11 Jul 2026Old and new apps, via modern coding agentsWhat's new
• 11 Jul 2026Old and new apps, via modern coding agentsWhat's new
• 11 Jul 2026a journal of the Hugo year (bis)Xi'an's Og
• 11 Jul 2026Progress on Gilbreath’s conjectureJohn D. Cook
• 11 Jul 2026Held Prize call for nominations (+ call for postdocs)Shtetl-Optimized
• 11 Jul 2026Gilbreath’s conjecture: a Cramér random model and a deterministic analysisWhat's new
• 11 Jul 2026Gilbreath’s conjecture: a Cramér random model and a deterministic analysisWhat's new
• 11 Jul 2026[Undefined]Samuel Coskey
• 11 Jul 2026“More bad science from JAMA”Statistical Modeling, Causal Inference, and Social Science
• 10 Jul 2026Starting to understand epsilon-zeroThe Universe of Discourse
• 10 Jul 2026Trump goes to war against… randomization!Xi'an's Og
• 10 Jul 2026Making AI smarter with AIMathematics and Computation
• 10 Jul 2026Announcing BQP Partners: my and my brother’s new angel-investing ventureShtetl-Optimized
• 10 Jul 202618 Associate Editors resign from Statistics and Computing editorial board: Problems with commercial scholarly publishing, and what does this all mean?Statistical Modeling, Causal Inference, and Social Science
• 10 Jul 2026… five years later …Area777
• 10 Jul 2026A lack of qualifications is not a qualification and other thoughts on PlatnerWest Coast Stat Views (on Observational Epidemiology and more)
• 10 Jul 2026DOIs for my websitesPieter Belmans
• 09 Jul 2026Resources for Intro-Level Graduate CoursesMath3ma
• 09 Jul 2026“A medical journal says the case reports it has published for 25 years are, in fact, fiction”Statistical Modeling, Causal Inference, and Social Science
• 09 Jul 2026Wither/Whither the ACMComputational Complexity
• 09 Jul 2026A concession to Mark about outsider candidatesWest Coast Stat Views (on Observational Epidemiology and more)
• 09 Jul 2026Take it to the limit one more time – a history of calculus IThe Renaissance Mathematicus
• 09 Jul 2026Mgnbar.info: two new layersPieter Belmans
• 08 Jul 2026AI vs Math – will it enhance it or ruin it for mathematiciansBeni Bogoşel's blog
• 08 Jul 2026Monotone convergence for bounded self-adjoint operatorsOpen System – Ark's blog
• 08 Jul 2026Is fabricating data worse than fabricating results? Is failing to correct a known false report more or less serious than making the false report in the first place?Statistical Modeling, Causal Inference, and Social Science
• 08 Jul 2026I probably should have worked in a Matrix referenceWest Coast Stat Views (on Observational Epidemiology and more)
• 08 Jul 2026Optimal Transport for Actuarial Science (lecture notes)Freakonometrics
• 08 Jul 2026Marcel Scherer resolves the Smith-Ward problem!Noncommutative Analysis
• 08 Jul 2026Survey Statistics: toy example for energy balancing weightsStatistical Modeling, Causal Inference, and Social Science
• 08 Jul 2026New paper: Brauer groups of resolved quiver moduli via gerbesPieter Belmans
• 07 Jul 2026Claude builds 3D Hamiltonian Monte Carlo animation in one shot with anaglyphsStatistical Modeling, Causal Inference, and Social Science
• 07 Jul 2026Packing Latin squares into sudoku puzzles11011110
• 07 Jul 2026Task Design for Achieving Implicitly Stated GoalsMegan Hayes-Golding
• 07 Jul 2026A message for Carol TavrisStatistical Modeling, Causal Inference, and Social Science
• 07 Jul 2026The idea of approaching tech narratives as folklore actually works better than it did eight years ago.West Coast Stat Views (on Observational Epidemiology and more)
• 07 Jul 2026NRL Predictions for Round 19Stats Chat
• 07 Jul 2026AFL Predictions for Week 19Stats Chat
• 07 Jul 2026On the contingent contingency of V = HOD and independence over the maximality principles, Fudan University, Shanghai, July 2026Joel David Hamkins
• 06 Jul 2026Matroid varietiesThe Matroid Union
• 06 Jul 2026Extreme cases of clickbait!Computational Complexity
• 06 Jul 2026Reproducing a geometry theorem diagramJohn D. Cook
• 06 Jul 2026Turning chaotic sensitivity from a bug into a feature: Using physical modeling and deep learning to alter the paths of storms and mitigate extreme weather eventsStatistical Modeling, Causal Inference, and Social Science
• 06 Jul 2026e approximationJohn D. Cook
• 06 Jul 2026AI doomsters and Dial F for FrankensteinWest Coast Stat Views (on Observational Epidemiology and more)
• 05 Jul 2026The NIH wants to “Measure and Reward Scientific Impact and Replicable Research Practices.” Here’s my recommendation to the NIH director: you can start by no longer suppressing government reports whose conclusions happen to not be in accord with your ideological preferences.Statistical Modeling, Causal Inference, and Social Science
• 05 Jul 2026What I’m reading: Summer 2026 editionLaura Albert's Punk Rock Operations Research
• 04 Jul 2026Happy 250th!Shtetl-Optimized
• 04 Jul 2026Functoriality of the Borel Functional Calculus and Pushforward of Spectral MeasuresOpen System – Ark's blog
• 04 Jul 20262015-vintage replication-crisis-era junk science floats into the newsStatistical Modeling, Causal Inference, and Social Science
• 04 Jul 2026Does additional data always reduce posterior variance?John D. Cook
• 03 Jul 2026A digestion of unit distance constructionsWhat's new
• 03 Jul 2026A digestion of unit distance constructionsWhat's new
• 03 Jul 2026A new episode in the Francesca Gino caseStatistical Modeling, Causal Inference, and Social Science
• 03 Jul 2026Patrick Boyle on the anniversary of BrexitWest Coast Stat Views (on Observational Epidemiology and more)
• 03 Jul 2026Spectral integrals and a first taste of functional calculusOpen System – Ark's blog
• 03 Jul 2026Congratulations Dr. Gianni Petrella!Pieter Belmans
• 02 Jul 2026The Ramanujan Challenge for AICombinatorics and more
• 02 Jul 2026An American privacy emergency: Guest post from Cynthia Dwork et al.Shtetl-Optimized
• 02 Jul 2026Excel ANOVA Format in ROR in an OB World
• 02 Jul 2026The high cost of split R-hatStatistical Modeling, Causal Inference, and Social Science
• 02 Jul 2026Guess who’s getting the big-money donations in the Maine U.S. Senate race?Statistical Modeling, Causal Inference, and Social Science
• 02 Jul 2026Conference announcement: Celebrating 100 Years: Avi 70 + CSDM 30Theory Matters
• 02 Jul 2026Peter Thiel's moments of honesty are largely limited to him saying bitchy things about Elon MuskWest Coast Stat Views (on Observational Epidemiology and more)
• 02 Jul 2026Just some guy with a blogThe Renaissance Mathematicus
• 02 Jul 2026Fanography is now a static website (and other improvements)Pieter Belmans
• 01 Jul 2026The True MethodComputational Complexity
• 01 Jul 2026Chaos on surfaces and beyondJérôme Buzzi’s
• 01 Jul 2026The optimizer’s curseStatistical Modeling, Causal Inference, and Social Science
• 01 Jul 2026Postdoctoral Research Position in Finite Geometry and Ramsey TheorySymOmega
• 01 Jul 2026“It really seems like anyone with some renders and a white paper written by someone being gassed up by an overly agreeable AI can get VC funding these days,”West Coast Stat Views (on Observational Epidemiology and more)
• 01 Jul 2026DNA Sequence Alignment and KingsJohn D. Cook
• 01 Jul 2026The Mori–Mukai determinantPieter Belmans
• 30 Jun 2026Survey Statistics: Big Changes in the Times/Siena PollStatistical Modeling, Causal Inference, and Social Science
• 30 Jun 2026Distinguishing variables from parametersJohn D. Cook
• 30 Jun 2026Beachhenge linkage11011110
• 30 Jun 2026Silver Rectangles and the Ways of KingsJohn D. Cook
• 30 Jun 2026OK, I guess Lawrence “Epstein” Krauss didn’t follow his brother’s advice.Statistical Modeling, Causal Inference, and Social Science
• 30 Jun 2026Precarious TimesWest Coast Stat Views (on Observational Epidemiology and more)
• 30 Jun 2026Celebrating 100 Years: Avi 70 + CSDM 30 (June 14-18, 2027)Windows On Theory
• 30 Jun 2026Derivative equals inverseJohn D. Cook
• 29 Jun 2026NRL Predictions for Round 18Stats Chat
• 29 Jun 2026AFL Predictions for Week 18Stats Chat
• 29 Jun 2026Cheapskate evolutionary biologist underpays his statistical helpStatistical Modeling, Causal Inference, and Social Science
• 29 Jun 2026Who you gonna believe: Grok or the docs?John D. Cook
• 29 Jun 2026If only we had effective, efficient technology to deal with these crisesWest Coast Stat Views (on Observational Epidemiology and more)
• 29 Jun 2026Spreading the Gospel of Theoretical Computer Science to an Omega(1) Fraction of Humanity: My Trevisan Award Acceptance Speech at STOCShtetl-Optimized
• 29 Jun 2026The physicists of FlorenceQuantum Frontiers
• 28 Jun 2026Separation axioms that are inverse invariant under perfect mapsDan Ma's Topology Blog
• 28 Jun 2026Guest Post by Peter Brass on the new NSF guidelinesComputational Complexity
• 28 Jun 2026Separation axioms that are invariant under perfect mapsDan Ma's Topology Blog
• 28 Jun 202650 Years of Aumann’s Agreement TheoremShtetl-Optimized
• 28 Jun 2026The Anthropic Principle in Statistics and Science (my talk this Mon 29 June, 4:20pm London time)Statistical Modeling, Causal Inference, and Social Science
• 28 Jun 2026Brace expansion treeJohn D. Cook
• 27 Jun 2026When will the decimals in a/b repeat?John D. Cook
• 27 Jun 2026A counterexample for Steiner triangulation11011110
• 27 Jun 2026Bayesian Workflow exists as a physical book!Statistical Modeling, Causal Inference, and Social Science
• 27 Jun 2026Out of the frying pan and into the fire: Scientific American returned to form, and then this happened:Statistical Modeling, Causal Inference, and Social Science
• 27 Jun 2026It's our language now!The Universe of Discourse
• 27 Jun 2026Height of harmonic numbersJohn D. Cook
• 27 Jun 2026I owe my life to a 1913 road rage incidentThe Universe of Discourse
• 27 Jun 2026Writing down harmonic numbersJohn D. Cook
• 27 Jun 2026My latest re-Cognize post…Mathematics Rising
• 26 Jun 2026“Springer Nature has removed two studies by Max Planck.”Statistical Modeling, Causal Inference, and Social Science
• 26 Jun 2026From the Old AbbeyPeter Cameron's Blog
• 26 Jun 2026Supplement that alphabetized display with another graph showing the states in a more informative order.Statistical Modeling, Causal Inference, and Social Science
• 26 Jun 2026Another one of those stories that we really need Patrick Boyle for.West Coast Stat Views (on Observational Epidemiology and more)
• 26 Jun 2026Scientific and Mathematical Instruments in the Early Modern PeriodThe Renaissance Mathematicus
• 25 Jun 2026Hart’s theoremJohn D. Cook
• 25 Jun 2026Structural equation modeling (SEM) and positive definitenessStatistical Modeling, Causal Inference, and Social Science
• 25 Jun 2026Incircles and Excircles of Pythagorean trianglesJohn D. Cook
• 25 Jun 2026Getting justice can require a lot of effort, and usually at some point we’ll just give up, which is what the cheaters rely on.Statistical Modeling, Causal Inference, and Social Science
• 25 Jun 2026Consecutive Pythagorean triangle sidesJohn D. Cook
• 25 Jun 2026NBC Blue was known for playing the uncensored version of Fibber McGee and Molly*West Coast Stat Views (on Observational Epidemiology and more)
• 25 Jun 2026The ZoneComputational Complexity
• 25 Jun 2026The price of proof: insurance policies for an AI-enabled worldFreakonometrics
• 25 Jun 2026Spectral family and resolution of the identityOpen System – Ark's blog
• 25 Jun 2026The Star Trek lemmaJohn D. Cook
• 24 Jun 2026Treating AI review like the contentious policy design problem it isStatistical Modeling, Causal Inference, and Social Science
• 24 Jun 2026“Howard Lutnick gives top Cantor Fitzgerald jobs to his sons Brandon and Kyle” is a very clean example of meritocracy.Statistical Modeling, Causal Inference, and Social Science
• 24 Jun 2026I've been waiting years for a good feral pig story so I would have an excuse to use these two quotes.West Coast Stat Views (on Observational Epidemiology and more)
• 24 Jun 2026To select or not to select?Statistical Modeling, Causal Inference, and Social Science
• 24 Jun 2026Announcement: CFP Synthese Topical Collection:  Severity and Learning from ErrorError Statistics Philosophy
• 24 Jun 2026Regular expressions that work “everywhere”John D. Cook
• 23 Jun 2026Deciphering basmalaThe Universe of Discourse
• 23 Jun 2026Survey Statistics: perfect collinearity in the sample but not in the populationStatistical Modeling, Causal Inference, and Social Science
• 23 Jun 2026Ceramic orthogonal polyhedra11011110
• 23 Jun 2026My response to the White House executive order on QCShtetl-Optimized
• 23 Jun 2026Mind-body healing: An exchange.Statistical Modeling, Causal Inference, and Social Science
• 23 Jun 2026Newport is also the guy who suggested that Anthropic deserved the Nobel Prize in marketing for the Anthropic launchWest Coast Stat Views (on Observational Epidemiology and more)
• 23 Jun 2026NRL Predictions for Round 17Stats Chat
• 23 Jun 2026AFL Predictions for Week 17Stats Chat
• 23 Jun 202629th International Congress on Insurance: Mathematics and Economics, 서울, June 2026Freakonometrics
• 23 Jun 2026Golems, auditors, and AIStatistical Modeling, Causal Inference, and Social Science
• 22 Jun 2026Workshop on Rethinking the Role of Bayesianism in the Age of Modern AIStatistical Modeling, Causal Inference, and Social Science
• 22 Jun 2026Lobachevsky’s integral formulaJohn D. Cook
• 22 Jun 2026Bipartite matching is in NC!Shtetl-Optimized
• 22 Jun 2026The new rule in economics: One star is p < 0.20, two stars is a set of steak knives, three stars is you're fired.Statistical Modeling, Causal Inference, and Social Science
• 22 Jun 2026Normal forms of dynamical systemsHydrobates
• 22 Jun 2026The New Result on Off-diagonal Ramsey NumbersComputational Complexity
• 22 Jun 2026The original Cushing oil boom was started in 1912 by a man actually named Tom Slick. Not relevant to the post but I had to mention it.West Coast Stat Views (on Observational Epidemiology and more)
• 22 Jun 2026Matching in NC and Local EventsCombinatorics and more
• 22 Jun 2026Queens on a prime order boardJohn D. Cook
• 21 Jun 2026Online haters in the low-budget literary bizStatistical Modeling, Causal Inference, and Social Science
• 20 Jun 2026A conflict of visions by Thomas SowellHydrobates
• 20 Jun 2026Information = Comprehension × Extension • Selection 1Inquiry Into Inquiry
• 20 Jun 2026A tool for learning about Fourier transformsStatistical Modeling, Causal Inference, and Social Science
• 20 Jun 2026Five Eras in the Evolution of Probability and StatisticsStats With Cats Blog
• 20 Jun 2026Set-theoretic mereology as a foundation of mathematics? Shandong University, Workshop on Mereology, China, June 2026Joel David Hamkins
• 20 Jun 2026Never trust a T-RexShtetl-Optimized

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