# Research

- sampling-importance-resampling is not equivalent to exact sampling [triste SIR]Xi'an's Og
- An Ancient Conjecture on PrimesGödel’s Lost Letter and P=NP
- Stability criteria in a nutshellJohn D. Cook
- Spanier Groups: vintage covering space theoryWild Topology
- Once upon a time, in a world long ago …Logic Matters
- Linkage11011110
- Causal inference and within/between person comparisonsStatistical Modeling, Causal Inference, and Social Science
- Fifth Workshop on Generalised Baire Spaces, BristolEuropean Set Theory Society
- Archimedia 3/2019: D’amore, di pesci e altre sciocchezzeMaddmaths!
- Esce il terzo volume di “La matematica e la sua storia” di Bruno D’Amore e Silvia SbaragliMaddmaths!
- Branko Grünbaum & John Franklin Rigby. The Real...isomorphismes
- Pragmatic Theory Of Truth • 19Inquiry Into Inquiry
- Oscar win probability as a function of age. And many other things . . .Statistical Modeling, Causal Inference, and Social Science
- no bull: corrida de thiais [5km, 19:36, 44/432, 1/18 M4H]Xi'an's Og
- Old lecture notes by Alex ZabrodskyCombinatorics and more
- The needle returns to the start of the songSince it is not …
- Land and Tamme's new result on the K-theory of pullbacksAleph Zero Categorical
- Migliorare i modelli climatici con i “vincoli emergenti”Maddmaths!
- What does it mean when they say there’s a 30% chance of rain?Statistical Modeling, Causal Inference, and Social Science
- Intervista a Giulio Sandini, il papà di iCubMaddmaths!
- London Calling [turns 40]Xi'an's Og
- Applied Category Theory Postdocs at NISTThe n-Category Café
- Applied Category Theory Postdocs at NISTAzimuth
- Postdoctoral research position on survey research with us at Columbia School of Social WorkStatistical Modeling, Causal Inference, and Social Science
- California corpse-tampering lawThe Universe of Discourse
- Postdoctoral Research Associate in Mathematical PhysicsEMPG Blog
- Puzzle: put numbers in circlesBeni Bogoşel's blog
- What happened to the hiccups?Statistical Modeling, Causal Inference, and Social Science
- Random sample overlapJohn D. Cook
- Choice of metric: the perils of data scienceWest Coast Stat Views (on Observational Epidemiology and more)
- Some good news among the gloomPeter Cameron's Blog
- “Les stats, c’est moi”: We take that step here! (Adopt our fav word or phil stat!)(ii)Error Statistics Philosophy
- Why don't students feel like they're learning? (when they actually are)emergent math
- psycho-history [Hari Seldon to the rescue!]Xi'an's Og
- Why is there no all-encompassing term for a course on Models of Computation?Computational Complexity
- Polymath16, fifteenth thread: Writing the paper and chasing down loose endsShort, Fat Matrices
- BenefitsThe Universe of Discourse
- punch [him] back, Britain!Xi'an's Og
- Unbiased MCMC with couplingsDarren Wilkinson's research blog
- Judith Rich Harris on the garden of forking pathsStatistical Modeling, Causal Inference, and Social Science
- Not dark yetPeter Cameron's Blog
- Thursday Tweets (Having an exceptionally busy schedule had nothing to do with this scheduling decision.)West Coast Stat Views (on Observational Epidemiology and more)
- "To paint in four dimensions, I tessellated squares with octagons. These I drew with a series of..."isomorphismes
- Post without words #29The Math Less Traveled
- tensor projectionnLab
- Jérôme MonnotAlgorithmic Economics, AI & Other Topics
- le superficie algebriche: an updatePieter Belmans
- sampling the meanXi'an's Og
- Say something nice about a journalistStats Chat
- Teach Yourself Logic 2020!Logic Matters
- Macbook Pro (16″ 2019) quick reviewStatistical Modeling, Causal Inference, and Social Science
- emergence [jatp]Xi'an's Og
- The research on SAT bias is great data scienceBig Data, Plainly Spoken (aka Numbers Rule Your World)
- Advantages of redundant coordinatesJohn D. Cook
- “Inferential statistics as descriptive statistics”Statistical Modeling, Causal Inference, and Social Science
- Ce Soir: Paris Machine Learning Meetup #2 Season 7: Symbolic maths, Data Generation thru GAN, "Prevision Retards" @SNCF, Retail and AI, Rapids.ai Leveraging GPUsNuit Blanche
- Normalizing the Ponzi ThresholdWest Coast Stat Views (on Observational Epidemiology and more)
- The emergence of modern astronomy – a complex mosaic: Part XXVThe Renaissance Mathematicus
- Random Permutations (Part 9)The n-Category Café
- limited shelf validityXi'an's Og
- Determining fundamental frequencyJohn D. Cook
- Cybernetics • Regulation In Biological Systems • Discussion 3Inquiry Into Inquiry
- Maryam Mirzakhani New Frontiers PrizeWhat's new
- Maryam Mirzakhani New Frontiers PrizeWhat's new
- The Subtle Art of Go, or Finite Simulations of Infinite GamesPoint at Infinity
- “Deep Origins” and spatial correlationsStatistical Modeling, Causal Inference, and Social Science
- unbiased MCMC discussed at the RSS tomorrow nightXi'an's Og
- Top command line posts of 2019John D. Cook
- Tuesday Tweets -- If Andrew Gelman were on Twitter, I'd @ him on the first oneWest Coast Stat Views (on Observational Epidemiology and more)
- Post without words #28The Math Less Traveled
- More misleading trendsStats Chat
- Locally finite groups and automorphismsSamuel Coskey
- Timeless geometry and what we say time isMathematics Rising
- AABI9 tidbits [& misbits]Xi'an's Og
- Bowled over by T-mobileBig Data, Plainly Spoken (aka Numbers Rule Your World)
- How many Stan users are there?Statistical Modeling, Causal Inference, and Social Science
- Illustrating Cayley-Hamilton with PythonJohn D. Cook
- What if Mayor Pete is HermanCainHermanCainHermanCain?West Coast Stat Views (on Observational Epidemiology and more)
- What do you call your ugrad non-algorithms theory course?Computational Complexity
- Héctor Garcia-Molina, 1953–2019Gödel’s Lost Letter and P=NP
- Random Permutations (Part 8)The n-Category Café
- Field goal kicking—like putting in 3D with oblong ballsStatistical Modeling, Causal Inference, and Social Science
- The poet and the pendulumDoc Madhattan
- How to think about “medical reversals”?Statistical Modeling, Causal Inference, and Social Science
- Fortnightly links (96)Pieter Belmans
- Random Permutations (Part 7)The n-Category Café
- Postdoc Position at Bocconiin theory
- A Visual Telling of Joyal's Proof Of Cayley's FormulaThe n-Category Café
- Modal model theory, STUK 4, Oxford, December 2019Joel David Hamkins
- “There is this magic that our DNA enables”Statistical Modeling, Causal Inference, and Social Science
- Matematicando 2020. A spasso con la Matematica per le strade di Locarno – 13-16 maggio 2020Maddmaths!
- Discrete maximum principle for polynomialsCalculus VII
- Why can’t grep find negative numbers?John D. Cook
- Riflessione sui risultati OCSE-PISA 2018Maddmaths!
- "Respect commands itself and it can neither be given nor withheld when it is due."isomorphismes
- Proposal for new images for modular forms on the LMFDBmixedmath
- Gerbert's satanic signsDoc Madhattan
- Infinitesimal Calculus on the Reverse in my Book "Limit of a Discontinuous Function"Victor Porton's Math Blog
- Some Conjectures About Generalized LimitsVictor Porton's Math Blog
- The tone problem in psychologyStatistical Modeling, Causal Inference, and Social Science
- "I paint what I see" -- RIP Gahan WilsonWest Coast Stat Views (on Observational Epidemiology and more)
- Tarification et individualisationFreakonometrics
- A Defense of Diversity Statements in HiringAMS Grad Blog
- Dialoghi matematici: Matematica, genere femminile, numero singolare – A Roma dall’8 dicembre 2019 al 10 maggio 2020Maddmaths!
- Measuring Fraud and Fairness (Sharad Goel’s two talks at Columbia next week)Statistical Modeling, Causal Inference, and Social Science
- Position at U. C. RiversideThe n-Category Café
- Deep Double Descent (cross-posted on OpenAI blog)Windows On Theory
- Topoi from Lawvere TheoriesThe n-Category Café
- Why doesn’t grep work?John D. Cook
- “Pfizer had clues its blockbuster drug could prevent Alzheimer’s. Why didn’t it tell the world?”Statistical Modeling, Causal Inference, and Social Science
- Buzzfeed notices the fake data menaceBig Data, Plainly Spoken (aka Numbers Rule Your World)
- If you built your Potemkin village entirely out of houses of cardsWest Coast Stat Views (on Observational Epidemiology and more)
- Systèmes à pointsJérôme Buzzi’s
- Exposé au séminaire “Géométrie,…” de NiceJérôme Buzzi’s
- Workshop “Equilibrium states for dynamical systems arising from GeometryJérôme Buzzi’s
- Set Theory in the United Kingdom 4, OxfordEuropean Set Theory Society
- Graphical inflationStats Chat
- Curl up and dyeStats Chat
- Higher Order Sign Relations • 2Inquiry Into Inquiry
- Top cryptography posts of 2019John D. Cook
- Penn Econometrics Colloquium this SaturdayNo Hesitations
- A Couple of Talks in ViennaThe n-Category Café
- What’s wrong with null hypothesis significance testingStatistical Modeling, Causal Inference, and Social Science
- Monotone systems revisitedHydrobates
- Climate Change Economics and FinanceNo Hesitations
- These stories are a lot funnier when the victims are Silicon Valley VCs and the Saudi sovereign wealth fundWest Coast Stat Views (on Observational Epidemiology and more)
- Physicians to the fore – creating a new medical hierarchy in the Early Modern PeriodThe Renaissance Mathematicus
- Eigenvectors from Eigenvalues: a survey of a basic identity in linear algebraWhat's new
- Eigenvectors from Eigenvalues: a survey of a basic identity in linear algebraWhat's new
- End-to-End Encryption: A ProblemGödel’s Lost Letter and P=NP
- “Would Republicans pay a price if they vote to impeach the president? Here’s what we know from 1974.”Statistical Modeling, Causal Inference, and Social Science
- New RSA factoring challenge solvedJohn D. Cook
- Are “frequentist” models actually Frequentist?Models Of Reality
- Counting NilpotentsThe n-Category Café
- What’s wrong with BayesStatistical Modeling, Causal Inference, and Social Science
- The Riemann Prize to Terence TaoDoc Madhattan
- A Mathematician Looks at the Collins English DictionaryNick Higham
- Distracted by the hard partJohn D. Cook
- Election musingsPeter Cameron's Blog
- Which could explain why it looks like a DeLorean hatchback -- Tuesday TweetsWest Coast Stat Views (on Observational Epidemiology and more)
- Alex CraikPeter Cameron's Blog
- Hey—the 2nd-best team in baseball is looking for a Bayesian!Statistical Modeling, Causal Inference, and Social Science
- Le rôle des actuairesFreakonometrics
- "Isabel Briggs’ first 5 college boyfriends were impermanent enough to warrant only a letter in..."isomorphismes
- Pro14 Predictions for Round 8Stats Chat
- Rugby Premiership Predictions for Round 6Stats Chat
- Julia Robinson's 100th birthdayComputational Complexity
- A Bayesian view of data augmentation.Statistical Modeling, Causal Inference, and Social Science
- Read Izabella Laba on diversity statementsSecret Blogging Seminar
- Unquestionable Research PracticesStatistical Modeling, Causal Inference, and Social Science
- Two updatesShtetl-Optimized
- What’s wrong with Bayes; What’s wrong with null hypothesis significance testingStatistical Modeling, Causal Inference, and Social Science
- Perhaps the part about the laws of economics not applying should have been a tip off.West Coast Stat Views (on Observational Epidemiology and more)
- TYI 41: How many steps does it take for a simple random walk on the discrete cube to reach the uniform distribution?Combinatorics and more
- Diversity statementsThe Accidental Mathematician
- Black Panthers providing free breakfast to children before...isomorphismes
- Amazing coincidence! What are the odds?Statistical Modeling, Causal Inference, and Social Science
- “Some call it MRP, some Mister P, but the full name is . . .”Statistical Modeling, Causal Inference, and Social Science
- Random Permutations (Part 6)The n-Category Café
- Sedotti dalla matematica o dalla filosofia? Una recensioneMaddmaths!
- A Good Year for “A Programmer’s Introduction to Mathematics”Math ∩ Programming
- Don’t believe people who say they can look at your face and tell that you’re lying.Statistical Modeling, Causal Inference, and Social Science
- Maths in Europe: The ultimate questionDoc Madhattan
- Cinema e comunicazione su matematica e matematiciMaddmaths!
- P-Value Statements and Their Unintended(?) Consequences: The June 2019 ASA President’s Corner (b)Error Statistics Philosophy
- Data Science and Star ScienceJohn D. Cook
- Flaky New Age conspiracy theories are becoming more relevant. Here's some historical context [repost]West Coast Stat Views (on Observational Epidemiology and more)
- The nilpotence bound in matrix ringsAleph Zero Categorical
- What comes after Vixra?Statistical Modeling, Causal Inference, and Social Science
- Linkage11011110
- When speculating about causes of trends in mortality rates: (a) make sure that what you’re trying to explain has actually been happening, and (b) be clear where your data end and your speculations begin.Statistical Modeling, Causal Inference, and Social Science
- Random Permutations (Part 5)The n-Category Café
- Ernst Jünger: Phantasticm and EngerticumOnionesque Reality
- Hédi Daboussi, in memoriamE. Kowalski's blog
- Near zeros of zetaJohn D. Cook
- In short, adding more animals to your experiment is fine. The problem is in using statistical significance to make decisions about what to conclude from your data.Statistical Modeling, Causal Inference, and Social Science
- Predicating PredictivityGödel’s Lost Letter and P=NP
- Call for Invited Talk Nominations: HALG 2020Banach's Algorithmic Corner
- New paper: "On the matrix range of random matrices"Noncommutative Analysis
- Our annual Toys-for-Tots postWest Coast Stat Views (on Observational Epidemiology and more)
- Book sale! — including a fine book on RamseyLogic Matters
- Scansione cerebrale conferma: nessuna differenza tra cervelli di maschi e femmine, mentre fanno matematicaMaddmaths!
- An uncountable Moore-Schmidt theoremWhat's new
- An uncountable Moore-Schmidt theoremWhat's new
- The default prior for logistic regression coefficients in Scikit-learnStatistical Modeling, Causal Inference, and Social Science
- "As God as my witness..." is my second favorite Thanksgiving episode line [Repost]West Coast Stat Views (on Observational Epidemiology and more)
- Punctured disks and punctured curves and cohomology, oh my! (Part III: the affine curve case)Hard Arithmetic
- Punctured disks and punctured curves and cohomology, oh my! (Part II: cohomology with supports)Hard Arithmetic
- Punctured disks and punctured curves and cohomology, oh my! (Part I: the proper curve case)Hard Arithmetic
- HALG 2020 call for nominations (guest post by Yossi Azar)Windows On Theory
- Cybernetics • Regulation In Biological Systems • Selection 8Inquiry Into Inquiry
- New Book: Introduction to Multi-Armed Bandits by Alex SlivkinsTuring's Invisible Hand
- Clive JamesLogic Matters
- Recoloring infinite paths11011110
- Controversies in vaping statistics, leading to a general discussion of dispute resolution in scienceStatistical Modeling, Causal Inference, and Social Science
- Di Prisco Fest, BogotaEuropean Set Theory Society
- Institutions ranked by the number of AMS Fellows, 2020 editionCalculus VII
- In LA, we're dreaming of a white ThanksgivingWest Coast Stat Views (on Observational Epidemiology and more)
- The emergence of modern astronomy – a complex mosaic: Part XXIVThe Renaissance Mathematicus
- YoungEC Workshop in Tel-Aviv, 31/12/19-2/1/20Turing's Invisible Hand
- Converting a Binary Table To Hex With Power QueryMath Encounters Blog
- “Life Expectancy and Mortality Rates in the United States, 1959-2017”Statistical Modeling, Causal Inference, and Social Science
- Sampling from non-symmetric discrete outcomesDataGenetics
- According to Ruby Payne, the working class value funny...isomorphismes
- Guest post by Greg Kuperberg: Archimedes’ other principle and quantum supremacyShtetl-Optimized
- “Machine Learning Under a Modern Optimization Lens” Under a Bayesian LensStatistical Modeling, Causal Inference, and Social Science
- ChalupasThe Universe of Discourse
- Back to categoriesLogic Matters
- Why “bigger sample size” is not usually where it’s at.Statistical Modeling, Causal Inference, and Social Science
- Fractal via bit twiddlingJohn D. Cook
- Tuesday TweetsWest Coast Stat Views (on Observational Epidemiology and more)
- Some recent progress in the Stan communityStatistical Modeling, Causal Inference, and Social Science
- Reconfiguring 3-colorings11011110
- Random Permutations (Part 4)The n-Category Café
- Stochastic rounding and privacyJohn D. Cook
- Should we be suspicious of the vote counting in Bolivia?Statistical Modeling, Causal Inference, and Social Science
- Worst moral hazard argument ever (and that's a competitive field)West Coast Stat Views (on Observational Epidemiology and more)
- Cybernetics • Regulation In Biological Systems • Discussion 2Inquiry Into Inquiry
- The paper that begged for a theme songQuantum Frontiers
- Fortnightly links (95)Pieter Belmans
- Random Permutations (Part 3)The n-Category Café
- Set theory at the command lineJohn D. Cook
- Topics in Category Theory: A Spring SchoolThe n-Category Café
- The least common divisor and the greatest common multipleThe Universe of Discourse
- A reduction in error rate of 400-600%: Pretty good, huh?Statistical Modeling, Causal Inference, and Social Science
- On the Authorship of Law II: The Social Life of Building CodesNew APPS: Art, Politics, Philosophy, Science
- “Why We Sleep” update: some thoughts while we wait for Matthew Walker to respond to Alexey Guzey’s criticismsStatistical Modeling, Causal Inference, and Social Science
- "Sooner or later, Europe was bound to break the American monopoly in the manufacture of new social..."isomorphismes
- “Whether something is statistically significant is itself a very random feature of data, so in this case you’re essentially outsourcing your modeling decision to a random number”Statistical Modeling, Causal Inference, and Social Science
- Random Permutations (Part 2)The n-Category Café
- Cybernetics • Regulation In Biological Systems • Selection 7Inquiry Into Inquiry
- Higher Dimensional Hawaiian EarringsWild Topology
- Harvard opportunity: lecturing / advising positionWindows On Theory
- How long you can survive in space without spacesuiteDoc Madhattan
- No, Bayes does not like Mayor Pete. (Pitfalls of using implied betting market odds to estimate electability.)Statistical Modeling, Causal Inference, and Social Science
- Psychological Methods FeedStatistical Modeling, Causal Inference, and Social Science
- IsarMathLib version 1.10.0Formalized Mathematics
- Weird example: finite maps don’t preserve projectivityHard Arithmetic
- A. Saltelli (Guest post): What can we learn from the debate on statistical significance?Error Statistics Philosophy
- Econometrics postdoc and computational statistics postdoc openings here in the Stan group at ColumbiaStatistical Modeling, Causal Inference, and Social Science
- Notes behind a talk: visualizing modular formsmixedmath
- What happens when frauds are outed because of whistleblowing?Statistical Modeling, Causal Inference, and Social Science
- Cybernetics • Regulation In Biological Systems • Selection 6Inquiry Into Inquiry
- Google's Quantum ComputerNo Hesitations
- A couple of thoughtful video essays by Bob ChipmanWest Coast Stat Views (on Observational Epidemiology and more)
- On Heron’s algorithm – approximating the square rootBeni Bogoşel's blog
- Photoisomorphismes
- isomorphismes: Sarah Koch and John Hubbard, An Analytic...isomorphismes
- What does a “statistically significant difference in mortality rates” mean when you’re trying to decide where to send your kid for heart surgery?Statistical Modeling, Causal Inference, and Social Science
- When your opponents face a no-win scenario, it's in your interest to see that they finish the gameWest Coast Stat Views (on Observational Epidemiology and more)
- What do statisticians do all day?Stats Chat
- Quantum Error Correction with MoleculesQuantum Frontiers
- Quantum mechanics via quantum computingJohn D. Cook
- 48,002 = 1 degree apartisomorphismes
- Cybernetics • Regulation In Biological Systems • Discussion 1Inquiry Into Inquiry
- Computing Eulerian paths is harder than you thinkblog :: Brent -> [String]
- On Becoming GermanThe Renaissance Mathematicus
- What’s the evidence on the effectiveness of psychotherapy?Statistical Modeling, Causal Inference, and Social Science
- Another example of Left/Right convergenceWest Coast Stat Views (on Observational Epidemiology and more)
- Test of time award: call for nominationsTuring's Invisible Hand
- Classifying one dimensional groups (II)Hard Arithmetic
- A Clever Way To Find Compiler BugsGödel’s Lost Letter and P=NP
- Break out the marshmallows, friends: Ego depletion is due to change sign!Statistical Modeling, Causal Inference, and Social Science
- Clinical trial of CRISPR-based cure for sickle cell anemia shows promisereperiendi
- Crinkle Crankle CalculusJohn D. Cook
- Rook graphs and Paley graphsJohn D. Cook
- The movement to topple the SAT is a fight over who can be subjectiveBig Data, Plainly Spoken (aka Numbers Rule Your World)
- Exposé à la banque de France – Autorité de contrôle prudentiel et de résolution (ACPR)Freakonometrics
- Stan saves Australians $20 billionStatistical Modeling, Causal Inference, and Social Science
- Tuesday TweetsWest Coast Stat Views (on Observational Epidemiology and more)
- Structuralism in the Philosophy of MathematicsLogic Matters
- Better LaTeX Tables with BooktabsNick Higham
- "If one knows what one will find, then it is not research and is not worth doing."isomorphismes
- PhD Defense and Talk at the Chaire PARI SeminarFreakonometrics
- NP vs small PJohn D. Cook
- A Market for TCS Papers??Turing's Invisible Hand
- Test for breast cancer?Stats Chat
- BrieflyStats Chat
- How many renters?Stats Chat
- My talk at Yale this ThursdayStatistical Modeling, Causal Inference, and Social Science
- Inverse trig function implementationsJohn D. Cook
- A smattering of representation theoryHard Arithmetic
- Cybernetics • Regulation In Biological Systems • Selection 5Inquiry Into Inquiry
- Is Matthew Walker’s “Why We Sleep” Riddled with Scientific and Factual Errors?Statistical Modeling, Causal Inference, and Social Science
- arctan( k tan(x) )John D. Cook
- Fun with Political TriviaWest Coast Stat Views (on Observational Epidemiology and more)
- There is no year zero!The Renaissance Mathematicus
- Fields used to be closer together than they are now. Good? Bad?Computational Complexity
- Talks at the ESSEC Seminar, ParisFreakonometrics
- On the Coattails of Quantum SupremacyQuantum Frontiers
- The Aaronson-Ambainis Conjecture (2008-2019)Shtetl-Optimized
- Orbital resonance in Neptune’s moonsJohn D. Cook
- Cybernetics • Regulation In Biological Systems • Selection 4Inquiry Into Inquiry
- In research as in negotiation: Be willing to walk away, don’t paint yourself into a corner, leave no hostages to fortuneStatistical Modeling, Causal Inference, and Social Science
- The hardest logarithm to computeJohn D. Cook
- George Tauchen 70thNo Hesitations
- On my way to Paris, FranceFreakonometrics
- Book review: Opt ArtThe Math Less Traveled
- Bessel function integrals are often simple integrals in disguiseResidue Theorem and friends
- Recovering Source Code PuzzleDataGenetics
- I have a website now!Hard Arithmetic
- Linkage11011110
- When should a football team attempt a two point conversion instead of an extra point? A dynamic programming approach.Punk Rock Operations Research
- Maître de conferences position, ReunionEuropean Set Theory Society
- Puzzles of modern machine learningWindows On Theory
- Voting ReferendumWest Coast Stat Views (on Observational Epidemiology and more)
- Applied Category Theory Meeting at UCR (Part 3)Azimuth