# Research

- Modal Types RevisitedThe n-Category Café
- Models as maps and maps as interfacesTheory, Evolution, and Games Group
- Mementos for Excursion 2 Tour II: Falsiﬁcation, Pseudoscience, Induction (2.3-2.7)Error Statistics Philosophy
- freedom to discriminate???Xi'an's Og
- The Emergence of First-Order LogicRichard Zach
- Come è andata la giornata CIIM del 10 novembre sulla scuola primaria?Maddmaths!
- Excel VBA Code to Center a Shape in a CellMath Encounters Blog
- “Using numbers to replace judgment”Statistical Modeling, Causal Inference, and Social Science
- Making the Fermat primality test deterministicThe Math Less Traveled
- Comunicato dell’Unione Matematica Italiana sull’arresto della matematica turca Betul TanbayMaddmaths!
- Arresto di Betul Tanbay: intervento di Nicola Fusco, membro del comitato esecutivo dell’EMSMaddmaths!
- Broken footHydrobates
- Istanbul. Betul Tanbay, vicepresidente eletta dell’EMS, arrestata per i fatti di Gezi ParkMaddmaths!
- How do you make a stella octangula?The Universe of Discourse
- California firesXi'an's Og
- Worrying news from TurkeyGowers's Weblog
- Kilogram redefined in terms of Planck constantJohn D. Cook
- Nearest-Neighbor PredictionNo Hesitations
- Social Media’s Negative Effect on Prose StyleA Mind for Madness
- HALG 2019 Call for nominationsWindows On Theory
- 2018: How did people actually vote? (The real story, not the exit polls.)Statistical Modeling, Causal Inference, and Social Science
- This John Oliver segment has a way of popping back into the relevant categoryWest Coast Stat Views (on Observational Epidemiology and more)
- X entropyXi'an's Og
- Call for Nominations - HALG 2019Banach's Algorithmic Corner
- Hey, check this out: Columbia’s Data Science Institute is hiring research scientists and postdocs!Statistical Modeling, Causal Inference, and Social Science
- Il senso del numeroMaddmaths!
- What do statisticians do all day?Stats Chat
- Light Stone Veil by James Howellisomorphismes
- computational statistics and molecular simulation [18w5023]Xi'an's Og
- MirrorsDataGenetics
- Linkage11011110
- Gabriella Pinzari: alla ricerca della stabilitàMaddmaths!
- “Highlights Beyond EC” Session at EC 2019Turing's Invisible Hand
- JFEC Special Issue for Peter ChristoffersenNo Hesitations
- Simons and AmazonComputational Complexity
- 12th Panhellenic Logic SymposiumEuropean Set Theory Society
- Grace Chisholm YoungEuropean Set Theory Society
- Comparing bfloat16 range and precision to other 16-bit numbersJohn D. Cook
- The State of the ArtStatistical Modeling, Causal Inference, and Social Science
- Launching the USS Holland -- my big regret is that I couldn't work in a reference to the dynamite gunWest Coast Stat Views (on Observational Epidemiology and more)
- Oaxaca sunrise [#2]Xi'an's Og
- Know your data 24: trust erodingBig Data, Plainly Spoken (aka Numbers Rule Your World)
- Tensions and Angles in a Simple Rope RiggingMath Encounters Blog
- Matematica visivaMaddmaths!
- Magnitude: A BibliographyThe n-Category Café
- Photoisomorphismes
- Three interesting results from the AIM workshopPeter Krautzberger
- computational statistics and molecular simulation [18w5023]Xi'an's Og
- Tour Guide Mementos and QUIZ 2.1 (Excursion 2 Tour I: Induction and Confirmation)Error Statistics Philosophy
- Why “work smarter, not harder” bothers meJohn D. Cook
- Getting Things RightLogic Matters
- Robustness checks are a jokeStatistical Modeling, Causal Inference, and Social Science
- There's still nothing there (and other lessons journalists refuse to learn about Elon Musk)West Coast Stat Views (on Observational Epidemiology and more)
- computational statistics and molecular simulation [18w5023]Xi'an's Og
- NormalPeter Cameron's Blog
- Books about the bookThe Renaissance Mathematicus
- Paris ML E#2 S#6: Conscience, Code Analysis, Can a machine learn like a child?Nuit Blanche
- The Internet of Prison PeopleNew APPS: Art, Politics, Philosophy, Science
- Counting paths through polyhedraThe Universe of Discourse
- "It is unlikely that there is any easy reason why a classification of finite groups is possible,..."isomorphismes
- Carnevale della Matematica #123: che cos’è la matematica?Maddmaths!
- Fortnightly links (74)Pieter Belmans
- I thought I did make a mistake but I was wrong…Xi'an's Og
- It's hard to tell apart business journalism and PR: the Wework editionBig Data, Plainly Spoken (aka Numbers Rule Your World)
- A puzzle about representing numbers as a sum of 3-smooth numbersThe Universe of Discourse
- Chocolate milk! Another stunning discovery from an experiment on 24 people!Statistical Modeling, Causal Inference, and Social Science
- Another reason to have mixed feelings about the franchise modelWest Coast Stat Views (on Observational Epidemiology and more)
- computational statistics and molecular simulation [18w5023]Xi'an's Og
- The Consistency of ArithmeticLogic Matters
- New expansions of confluent hypergeometric functionJohn D. Cook
- Planar algebras explained in from dominoes to hexagons by Dylan...isomorphismes
- Where’s that paper?Windows On Theory
- questioning the Bayesian choiceXi'an's Og
- Big data and privacyJohn D. Cook
- And the winner is again, Harambe: A pre election poll of my class that was truly a referenum on the PrezComputational Complexity
- Lo Spazio alla Scienza (sulla rimozione di Roberto Battiston)Maddmaths!
- Gurobi versus the no-three-in-line problem11011110
- “Law professor Alan Dershowitz’s new book claims that political differences have lately been criminalized in the United States. He has it wrong. Instead, the orderly enforcement of the law has, ludicrously, been framed as political.”Statistical Modeling, Causal Inference, and Social Science
- Some cool old pictures to start the weekWest Coast Stat Views (on Observational Epidemiology and more)
- Recensione di Buongiorno Matematica di Anna CerasoliMaddmaths!
- Stephen Senn: Rothamsted Statistics meets Lord’s Paradox (Guest Post)Error Statistics Philosophy
- A Well Ordering Is A Consistent Choice FunctionThe n-Category Café
- "I would call myself an outsider, but distrust the very term, since the idea of rebellion is the..."isomorphismes
- What is proof-of-work?John D. Cook
- Rencontres MutualistesFreakonometrics
- Hey! Here’s what to do when you have two or more surveys on the same population!Statistical Modeling, Causal Inference, and Social Science
- Topics in Operator Theory, Lecture 4: Pick interpolation via commutant liftingNoncommutative Analysis
- Photoisomorphismes
- Approximating Partition FunctionsWindows On Theory
- Bourbaki vs the Russian method as a lens on heuristic modelsTheory, Evolution, and Games Group
- The wrong way to compute a sum: addendummixedmath
- 2018: Who actually voted? (The real story, not the exit polls.)Statistical Modeling, Causal Inference, and Social Science
- A quasirandomness implicationGowers's Weblog
- Random no-three-in-line sets11011110
- Matching (and discarding non-matches) to deal with lack of complete overlap, then regression to adjust for imbalance between treatment and control groupsStatistical Modeling, Causal Inference, and Social Science
- What Frege didn’t say about functions and quantificationLogic Matters
- 2018: What really happened?Statistical Modeling, Causal Inference, and Social Science
- A Dumb Group Theory QuestionGödel’s Lost Letter and P=NP
- spatheandspadix: Frick Park puffballsisomorphismes
- The wizard’s rational puzzle (solutions, part 2)The Math Less Traveled
- Stepwise Regression Code RevisitedOR in an OB World
- Why I never finish my Haskell programs (part 3 of ∞)The Universe of Discourse
- Faculty respondent to paper of Ethan Jerzak on Paradoxical Desires, Oxford Graduate Philosophy Conference, November 2018Joel David Hamkins
- The acoustics of Hagia SophiaJohn D. Cook
- “Recapping the recent plagiarism scandal”Statistical Modeling, Causal Inference, and Social Science
- If Elon Musk had a radium drill, he could really go to townWest Coast Stat Views (on Observational Epidemiology and more)
- Pretty serious people …Logic Matters
- Old Codger’s Combinatorics ConferencePeter Cameron's Blog
- Average Case Complexity Newsin theory
- In the face of grief (updated)Baking and Math
- Haskell type checker complaint 184 of 698The Universe of Discourse
- Melanie Mitchell says, “As someone who has worked in A.I. for decades, I’ve witnessed the failure of similar predictions of imminent human-level A.I., and I’m certain these latest forecasts will fall short as well. “Statistical Modeling, Causal Inference, and Social Science
- Souvenir C: A Severe Tester’s Translation Guide (Excursion 1 Tour II)Error Statistics Philosophy
- How not to reconfigure your sshdThe Universe of Discourse
- Gamma gamma gamma!John D. Cook
- Watch out for naively (because implicitly based on flat-prior) Bayesian statements based on classical confidence intervals! (Comptroller of the Currency edition)Statistical Modeling, Causal Inference, and Social Science
- The Data Transformation of UniversitiesComputational Complexity
- A few points on Willy Ley and "the Conquest of Space"West Coast Stat Views (on Observational Epidemiology and more)
- Forgetting Turgenev?Logic Matters
- Chicago recommendationsBaking and Math
- Proof by Induction with a Difficult Base CaseDavid Richeson: Division by Zero
- Using microfluidics to direct T-cells to cancer cells, learn what antigens are on their surface, and create tumor-specific treatmentsreperiendi
- Hackberries apparently taste like peanut M&Msreperiendi
- Lovecraftian tentacled horrors bursting from their leathery ovareperiendi
- East Coast Code and West Coast CodeJohn D. Cook
- “35. What differentiates solitary confinement, county jail and house arrest” and 70 othersStatistical Modeling, Causal Inference, and Social Science
- If you’re going to lecture others on the need to learn history then it pays to get your own history right.The Renaissance Mathematicus
- Exercising fails to stop obesity, dohBig Data, Plainly Spoken (aka Numbers Rule Your World)
- Extreme values of a reproducing kernel for polynomialsCalculus VII
- Transportation cost overruns are nothing newWest Coast Stat Views (on Observational Epidemiology and more)
- Measures of maximal entropy for surface diffeomorphismsJérôme Buzzi’s
- Graph of the weekStats Chat
- The “probability to win” is hard to estimate…Freakonometrics
- Photoisomorphismes
- What is differential privacy?John D. Cook
- Logic, Explainability and the Future of UnderstandingStephen Wolfram Blog
- Postdocs and Research fellows for combining probabilistic programming, simulators and interactive AIStatistical Modeling, Causal Inference, and Social Science
- Logic and applications Twitter accountJohn D. Cook
- “Statistical and Machine Learning forecasting methods: Concerns and ways forward”Statistical Modeling, Causal Inference, and Social Science
- If you need me, I'll be votingWest Coast Stat Views (on Observational Epidemiology and more)
- Festival of Dangerous Ideas 2018: Fight the FearAlgorithmic Economics, AI & Other Topics
- Topics in Operator Theory, Lecture 3: Dilations of commuting operatorsNoncommutative Analysis
- Is Fuzzy Sets Common Knowledge? How about Napier as inventing (or something) logs?Computational Complexity
- Big Data and Artificial IntelligenceFreakonometrics
- Why it can be rational to voteStatistical Modeling, Causal Inference, and Social Science
- [Undefined]Mathematics under the Microscope
- Don’t criticise what you don’t understand!The Renaissance Mathematicus
- Lorenzo LottoLogic Matters
- Tarski on truth — a thumbnail sketchLogic Matters
- The purported CSI effect and the retroactive precision fallacyStatistical Modeling, Causal Inference, and Social Science
- This nearly century and a quarter old discussion about rapid transit has a remarkably contemporary feel to it, starting with the phrase "rapid transit."West Coast Stat Views (on Observational Epidemiology and more)
- Mapping citiesFreakonometrics
- The Replication Crises and its Constructive Role in the Philosophy of Statistics-PSA2018Error Statistics Philosophy
- laaaaaaandsat: Path 155, Row 063, 2018-10-17 at...isomorphismes
- Cornell prof (but not the pizzagate guy!) has one quick trick to getting 1700 peer reviewed publications on your CVStatistical Modeling, Causal Inference, and Social Science
- Intuitively, what is a finite simple group?Mathematics under the Microscope
- Hendrix teams at ACM ICPCblog :: Brent -> [String]
- The Noble Eightfold Path to Mathematical BiologyTheory, Evolution, and Games Group
- A Roman in a Modern CourtQuantum Frontiers
- Topics in Operator Theory, Lecture 2: Dilations of contractionsNoncommutative Analysis
- NO, SIMPLY NO!The Renaissance Mathematicus
- “We are reluctant to engage in post hoc speculation about this unexpected result, but it does not clearly support our hypothesis”Statistical Modeling, Causal Inference, and Social Science
- Open Book PublishersMathematics under the Microscope
- Back to basicsMathematics under the Microscope
- Variable explicative dans un intervalleFreakonometrics
- Empty nest seasonbit-player
- Becker, Irrationality and Neoliberal BiopowerNew APPS: Art, Politics, Philosophy, Science
- Another trivial utility: git-qThe Universe of Discourse
- The wrong way to compute a summixedmath
- “Simulations are not scalable but theory is scalable”Statistical Modeling, Causal Inference, and Social Science
- No Theorem B for henselian affine schemesStacks Project Blog
- Continued fraction cryptographyJohn D. Cook
- You should be concerned about the quality of the polls, but it's likely voter models that should worry you the most.West Coast Stat Views (on Observational Epidemiology and more)
- More Papers on MagnitudeThe n-Category Café
- My two talks in Austria next week, on two of your favorite topics!Statistical Modeling, Causal Inference, and Social Science
- Optimizing a quadratic functional under affine constraintsBeni Bogoşel's blog
- What do I work on ?The Geomblog
- “What Happened Next Tuesday: A New Way To Understand Election Results”Statistical Modeling, Causal Inference, and Social Science
- Earth mover distance and t-closenessJohn D. Cook
- 95 women of STEM11011110
- vote early, vote oftenPunk Rock Operations Research
- Facial feedback: “These findings suggest that minute differences in the experimental protocol might lead to theoretically meaningful changes in the outcomes.”Statistical Modeling, Causal Inference, and Social Science
- The Derivative is not the Slope of the Tangent LineLaunchings by David Bressoud
- Our regular repost on drinking from the wrong pipeWest Coast Stat Views (on Observational Epidemiology and more)
- P = NP Need Not Give a SAT AlgorithmComputational Complexity
- Apples & Pears – comparing print technologiesThe Renaissance Mathematicus
- 2-Groups in Condensed Matter PhysicsThe n-Category Café
- Raghuveer Parthasarathy’s big idea for fixing scienceStatistical Modeling, Causal Inference, and Social Science
- Hodge numbers for generalised Kummer varietiesPieter Belmans
- Institutions ranked by the number of AMS Fellows, 2019 editionCalculus VII
- Integration by long divisionJohn D. Cook
- Linkage for Halloween11011110
- Photoisomorphismes
- Bullet Journal: Becoming IntentionalA Mind for Madness
- “2010: What happened?” in light of 2018Statistical Modeling, Causal Inference, and Social Science
- Halloween Greetings form College HumorWest Coast Stat Views (on Observational Epidemiology and more)
- Birth right, and the CensusBig Data, Plainly Spoken (aka Numbers Rule Your World)
- Biometric security and hypothesis testingJohn D. Cook
- Micro Barriers To DiversityGödel’s Lost Letter and P=NP
- BrieflyStats Chat
- Fortnightly links (73)Pieter Belmans
- Synchronization updatePeter Cameron's Blog
- Explainable ML versus Interpretable MLStatistical Modeling, Causal Inference, and Social Science
- Exciting Beginning-of-the-Year Activities and Seminars.Combinatorics and more
- Modal and temporal logic for computer securityJohn D. Cook
- “Evidence-Based Practice Is a Two-Way Street” (video of my speech at SREE)Statistical Modeling, Causal Inference, and Social Science
- We can't finish October without playing this at least onceWest Coast Stat Views (on Observational Epidemiology and more)
- "From the fourteenth century on, Mediterranean merchants organised relief shipments of wheat from..."isomorphismes
- Pseudocode in LyXOR in an OB World
- La conjetura ABC seguirá siendo (por ahora) una conjeturaGaussianos
- Paper published in PRL…abag's thoughts
- DFSreperiendi
- Exceptional matroids in chain theoremsThe Matroid Union
- Tour Guide Mementos (Excursion 1 Tour II of How to Get Beyond the Statistics Wars)Error Statistics Philosophy
- Bar Constructions and Combinatorics of Polyhedra for n-CategoriesThe n-Category Café
- Post without words #23The Math Less Traveled
- Typesetting modal logicJohn D. Cook
- What does it mean to talk about a “1 in 600 year drought”?Statistical Modeling, Causal Inference, and Social Science
- I think it's important to define subsidized journalism more broadly than just native advertising.West Coast Stat Views (on Observational Epidemiology and more)
- Becker Friedman Expectations ConferenceNo Hesitations
- A long story about many bugsThe Universe of Discourse
- If P=NP then we HAVE an alg for SAT.Computational Complexity
- "In dimensions ≥5, topology and algebra match up simply. In dimensions 3 and 4, manifolds are more..."isomorphismes
- “Methinks, I know one kind like you.”Quantum Frontiers
- Irregular Lifts, Part IIPersiflage
- Expansions Don't Die of Old AgeNo Hesitations
- Fermat’s factoring trick and cryptographyJohn D. Cook
- B.S.-ing PreciselyOR in an OB World
- More about auto-generated switch-casesThe Universe of Discourse
- A neat application of the polynomial methodShort, Fat Matrices
- MRP (or RPP) with non-census variablesStatistical Modeling, Causal Inference, and Social Science
- Numerical integration visualizedCalculus VII
- 6 Thoughts on accessibility of equation layoutPeter Krautzberger
- Simple Feed Ranking AlgorithmDataGenetics
- Minimal models for explaining unbounded increase in fitnessTheory, Evolution, and Games Group
- Aleph’s Corner: T-ShirtsCombinatorics and more
- IFL2: Propositional truth treesLogic Matters
- IFL2: the introductory chapters yet againLogic Matters
- A fun optimization trick from rsyncThe Universe of Discourse
- Debate about genetics and school performanceStatistical Modeling, Causal Inference, and Social Science
- The Smetana Quartet play Prokofiev and ShostakovichLogic Matters
- lmte:isomorphismes
- Sampling from the Singular NormalStatistics @ Home
- Explicit example showing non-residual finitenessAleph Zero Categorical
- Yet another group that is not HopfianAleph Zero Categorical
- A snide addendum about implicit typeclass instancesThe Universe of Discourse
- Boys’ Life Tripods trilogyreperiendi
- Can we do better than using averaged measurements?Statistical Modeling, Causal Inference, and Social Science
- Excessive precisionJohn D. Cook
- The Orthocircle. Who knew?mathfest
- More spooky stuff (In no way chosen as filler because I had a busy week)West Coast Stat Views (on Observational Epidemiology and more)
- "Knowledge, careers, and culture are and always have been the objectives of American higher..."isomorphismes
- VotingEuclidean Ramsey Theory
- Rabin Postdoctoral Fellowship Advertising PostMy Biased Coin
- Format-preserving encryption (FPE) for privacyJohn D. Cook
- The Axios Turing test and the heat death of the journalistic universeStatistical Modeling, Causal Inference, and Social Science
- A Mercury Theatre HalloweenWest Coast Stat Views (on Observational Epidemiology and more)
- Fourier series for Jacobi functionsJohn D. Cook
- Good Results Made MeaninglessComputational Complexity
- Cell-like closed 0-dimensional decompositions of ℝ³ are...isomorphismes
- A small amendment to Nuzzo’s tips for communicating p-valuesError Statistics Philosophy
- Baltimore-WashingtonStatistical Modeling, Causal Inference, and Social Science
- Rabin postdocs ad is outWindows On Theory
- Up to dateStacks Project Blog
- A study fails to replicate, but it continues to get referenced as if it had no problems. Communication channels are blocked.Statistical Modeling, Causal Inference, and Social Science
- We'll largely skip over the author's fixation on casual nudity.West Coast Stat Views (on Observational Epidemiology and more)
- Year of Mysteries, Part 9: The Name of the RoseA Mind for Madness
- MIM UW – great place to work!Banach's Algorithmic Corner
- Mathematics in IndustryJohn D. Cook
- The wizard’s rational puzzle (solutions, part 1)The Math Less Traveled
- A Newtonian RefugeeThe Renaissance Mathematicus
- Vote suppression in corrupt NY StateStatistical Modeling, Causal Inference, and Social Science
- Hangman's WagesThe Universe of Discourse
- M4 Forecasting ConferenceHyndsight on Rob J Hyndman
- PHI and offshore data processingJohn D. Cook
- ICM 2018 Rio (3) – Coifman, Goldstein, Kronheimer and Mrowka, and the Four Color TheoremCombinatorics and more
- What to think about this new study which says that you should limit your alcohol to 5 drinks a week?Statistical Modeling, Causal Inference, and Social Science
- Cult of the CEOWest Coast Stat Views (on Observational Epidemiology and more)
- Topics in Operator Theory, Lecture 1: IntroductionNoncommutative Analysis
- Fundamental unitsJohn D. Cook
- Photoisomorphismes
- Please Don't call them Guidance CounselorsComputational Complexity
- Mitre 10 Cup Predictions for the Mitre 10 Cup FinalsStats Chat
- Currie Cup Predictions for the Currie Cup FinalStats Chat
- “Unfixed filters” research now in the book volume-1Victor Porton's Math Blog
- Filters on a lattice are a latticeVictor Porton's Math Blog
- New Paper on Foucault and ParrhesiaNew APPS: Art, Politics, Philosophy, Science
- Special SessionA kind of library
- Layered pathwidth and its obstacles11011110
- On teaching ethics to tech companiesThe Geomblog
- “The dwarf galaxy NGC1052-DF2”Statistical Modeling, Causal Inference, and Social Science
- It is always useful to go back and read the contemporary accounts.West Coast Stat Views (on Observational Epidemiology and more)
- Milk and wineJohn D. Cook
- ASTRA Toolbox Tutorial: Reconstruction from Projection Images, Part 2TomRoelandts.com
- severe testing or severe sabotage? Christian Robert and the book slasher.Error Statistics Philosophy
- Photoisomorphismes
- The Inscribed Square ProblemGödel’s Lost Letter and P=NP
- Indian Conference on Logic and its Applications 2019Richard Zach
- I strengthened a theoremVictor Porton's Math Blog
- Question about links in proofsStacks Project Blog
- KerodonStacks Project Blog
- The Topology of Neural Networks, Part 1: The Generalization ProblemLow Dimensional Topology
- Multilevel models with group-level predictorsStatistical Modeling, Causal Inference, and Social Science
- The wei wu wei of evolutionary oncologyTheory, Evolution, and Games Group
- Through the Night by Stephanie Johnisomorphismes
- Running from the pastA Neighborhood of Infinity
- What’s the Difference? video and slidesblog :: Brent -> [String]
- Laminar 3-separators11011110
- Mutated islands of brain matter from development might be common in the human populationSystems and Signals Group
- Another technological tragedybit-player
- Genetic determinism once more obnubilates French readersMathematics without Apologies, by Michael Harris
- Table of Contents for PIMMath ∩ Programming
- He’s a history teacher and he has a statistics questionStatistical Modeling, Causal Inference, and Social Science
- Belief Propagation and the Stochastic Block ModelWindows On Theory
- A mathematical promenadePeter Cameron's Blog
- Piano Geniereperiendi
- Grail coin by romanbooteenreperiendi
- Irregular Lifts, Part IPersiflage
- Meteor shower flows in 3dreperiendi
- Solving the chinese postman problemFreakonometrics
- Math volunteer jobVictor Porton's Math Blog
- An actual quote from a paper published in a medical journal: “The data, analytic methods, and study materials will not be made available to other researchers for purposes of reproducing the results or replicating the procedure.”Statistical Modeling, Causal Inference, and Social Science
- In case the aerospace allusions are getting a bit obscure, here's a week in video recommendation.West Coast Stat Views (on Observational Epidemiology and more)
- Updates and PicturesThe polymath blog
- Young Investigator Special Competition for Time-Sharing Experiment for the Social SciencesStatistical Modeling, Causal Inference, and Social Science
- Sampling from Multivariate Normal (precision and covariance parameterizations)Statistics @ Home
- London CallingGödel’s Lost Letter and P=NP
- Analysis in Higher Gauge TheoryThe n-Category Café
- An error in my bookVictor Porton's Math Blog
- Ethics in statistical practice and communication: Five recommendations.Statistical Modeling, Causal Inference, and Social Science
- Jacobian determinant of diffeomorphisms measures the quotient of area of small ballsNgô Quốc Anh
- A theorem with a diagram about unfixed filtersVictor Porton's Math Blog