A random selection of recent posts from around the mathematical blogosphere.

• 23 May 2026Building complex functions out of real partsJohn D. Cook
• 22 May 2026Don’t cite sources you haven’t read, and don’t trust when people claim to be reporting something from the literature.Statistical Modeling, Causal Inference, and Social Science
• 22 May 2026Since ed reform mania died down, we haven't had much call to mention Goodhart's LawWest Coast Stat Views (on Observational Epidemiology and more)
• 22 May 2026Desmos NotebookMathematics, Learning and Technology
• 21 May 2026Circular and hyperbolic functions differ by rotationsJohn D. Cook
• 21 May 2026A Historic Day in Mathematics[UNTITLED BLOG]
• 20 May 2026Square root of x² − 1John D. Cook
• 19 May 2026James Heathers will fix Wiley’s problems for less than 3.7 million dollars (that is, 2,553,739 Jamaican beef patties, 47,064 whisky-sodden meals at Newark airport, or nearly 218 invites to a conference featuring Gray Davis, Grover Norquist, and a rabbi)Statistical Modeling, Causal Inference, and Social Science
• 19 May 2026"Tomorrow's just a future yesterday." TV editionWest Coast Stat Views (on Observational Epidemiology and more)
• 19 May 2026On having nice places to walkJD2718
• 18 May 2026Jonah’s seminar tomorrow: “Bayesian Workflow and the Software That Shapes It”Statistical Modeling, Causal Inference, and Social Science
• 18 May 2026How to Simplify √108MooMooMath and Science
• 18 May 2026actual criticisms of academia:Thales’ circles
• 15 May 2026Linkage11011110
• 15 May 2026Who Endorses?JD2718
• 14 May 2026Alchemize: PyMC’s model to replace Stan/PyMC, etc. with an LLMStatistical Modeling, Causal Inference, and Social Science
• 14 May 2026The degree of Fibonacci heaps11011110
• 14 May 2026Prediction Markets ReduxComputational Complexity
• 14 May 2026Naturally Occurring QuasicrystalsAzimuth
• 13 May 2026How Tall Is The Dog Puzzle?Mind Your Decisions
• 13 May 2026Today’s TRSNYC election – a detailJD2718
• 13 May 2026No more NYT cooperation: my dog-rape red lineShtetl-Optimized
• 13 May 2026Double Maths First Thing: Issue 58The Aperiodical
• 12 May 2026Initialize and print 128-bit integers in CJohn D. Cook
• 12 May 2026Euler functionJohn D. Cook
• 11 May 2026Inverse shiftJohn D. Cook
• 11 May 2026AI Skeptics: We Are The Egg (with Laura MacCleery)mathbabe
• 11 May 2026Probability that a random binary matrix is invertibleJohn D. Cook
• 11 May 2026We laughed at her at the time, but in the age of AI bubble circular financing, Peg Bundy feels like a true visionary.West Coast Stat Views (on Observational Epidemiology and more)
• 10 May 2026IcosahedronTanya Khovanova's Math Blog
• 09 May 2026Álgebra para todos. Practica la resolución de ecuaciones de primer grado con una incógnita (guiado paso a paso)MatemáTICas: 1,1,2,3,5,8,13,…

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