56,966 blogs · [ { "id": "01a0c513-8084-7210-854d-698bc9987ab3", "title": "Reference request for confluent differential equations", "url": "https://mathoverflow.net/questions/515426/reference-request-for-confluent-differential-equations", "published_at": "2026-09-21T17:33:35+00:00" }, { "id": "01a0c513-8084-7210-854d-698bc9f93271", "title": "RFD C*-algebras and maps factoring through UCT C*-algebras in KK-theory", "url": "https://mathoverflow.net/questions/515423/rfd-c-algebras-and-maps-factoring-through-uct-c-algebras-in-kk-theory", "published_at": "2026-09-21T16:24:47+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcad31951", "title": "Parametrisation for $x^4+y^4=1$", "url": "https://mathoverflow.net/questions/515418/parametrisation-for-x4y4-1", "published_at": "2026-09-21T15:32:56+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcb15f067", "title": "Dedekind Zeta function over imaginary quadratic field", "url": "https://mathoverflow.net/questions/515417/dedekind-zeta-function-over-imaginary-quadratic-field", "published_at": "2026-09-21T15:21:13+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcbe3c061", "title": "Can the least supercompact cardinal $\\kappa$ have deg($\\kappa$) = 2?", "url": "https://mathoverflow.net/questions/515415/can-the-least-supercompact-cardinal-kappa-have-deg-kappa-2", "published_at": "2026-09-21T13:44:24+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcbe6f424", "title": "Narayana polynomials modulo 2", "url": "https://mathoverflow.net/questions/515413/narayana-polynomials-modulo-2", "published_at": "2026-09-21T12:47:20+00:00" }, { "id": "01a0c513-8084-7210-854d-698bccb601ce", "title": "Almost purity theorem and Faltings theory", "url": "https://mathoverflow.net/questions/515410/almost-purity-theorem-and-faltings-theory", "published_at": "2026-09-21T12:00:28+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcd5b6762", "title": "Approximation of entire functions", "url": "https://mathoverflow.net/questions/515407/approximation-of-entire-functions", "published_at": "2026-09-21T11:21:46+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcdecf725", "title": "Automorphism orbits of subgroups of abelian $p$-groups", "url": "https://mathoverflow.net/questions/515405/automorphism-orbits-of-subgroups-of-abelian-p-groups", "published_at": "2026-09-21T10:47:11+00:00" }, { "id": "01a0c513-8084-7210-854d-698bce11cbc4", "title": "You are not interested in Math? [migrated]", "url": "https://mathoverflow.net/questions/515404/you-are-not-interested-in-math", "published_at": "2026-09-21T10:26:55+00:00" }, { "id": "01a0c513-8084-7210-854d-698bce99bbcc", "title": "Associators in octonions", "url": "https://mathoverflow.net/questions/515403/associators-in-octonions", "published_at": "2026-09-21T08:26:05+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcf5a2ae7", "title": "Does there exist $f:\\mathbb{Z}_{>0}\\to\\mathbb{Z}_{>0}$ with $\\dfrac{f^{f(b)}(a)+f^{f(a)}(b)}{f^{f(ab)}(a+b)}=2^{ab}-1$ for all $a,b$?", "url": "https://mathoverflow.net/questions/515397/does-there-exist-f-mathbbz-0-to-mathbbz-0-with-dfracffba", "published_at": "2026-09-21T04:20:03+00:00" }, { "id": "01a0c513-8084-7210-854d-698bcff3a48e", "title": "How do you manage notation overload?", "url": "https://mathoverflow.net/questions/515391/how-do-you-manage-notation-overload", "published_at": "2026-09-20T18:55:10+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd0accedf", "title": "Submarine bombing game", "url": "https://mathoverflow.net/questions/515379/submarine-bombing-game", "published_at": "2026-09-20T11:06:48+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd11d64d8", "title": "How do mathematicians balance the need to understand things deeply with the need to keep moving?", "url": "https://mathoverflow.net/questions/515377/how-do-mathematicians-balance-the-need-to-understand-things-deeply-with-the-need", "published_at": "2026-09-20T08:37:11+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd1d2fd2c", "title": "Schanuel implies Leopoldt conjecture", "url": "https://mathoverflow.net/questions/515375/schanuel-implies-leopoldt-conjecture", "published_at": "2026-09-20T03:22:34+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd298648b", "title": "Generalizing a lemma about covers from 1- to $\\infty$-topoi", "url": "https://mathoverflow.net/questions/515360/generalizing-a-lemma-about-covers-from-1-to-infty-topoi", "published_at": "2026-09-19T14:50:29+00:00" }, { "id": "01a0b654-e066-71df-861c-a783e879155a", "title": "Absolute Spectral Convergence Theory", "url": "https://mathoverflow.net/questions/515351/absolute-spectral-convergence-theory", "published_at": "2026-09-18T20:11:25+00:00" }, { "id": "01a0b654-e066-71df-861c-a783e8bd1c81", "title": "Is this prime-supported discrete mean-square estimate over the zeros of the Riemann zeta function already known?", "url": "https://mathoverflow.net/questions/515349/is-this-prime-supported-discrete-mean-square-estimate-over-the-zeros-of-the-riem", "published_at": "2026-09-18T18:38:02+00:00" }, { "id": "01a0b654-e066-71df-861c-a783e8d08b73", "title": "When does a geometric reformulation preserve the Navier–Stokes regularity problem?", "url": "https://mathoverflow.net/questions/515345/when-does-a-geometric-reformulation-preserve-the-navier-stokes-regularity-proble", "published_at": "2026-09-18T15:35:47+00:00" }, { "id": "01a0b654-e066-71df-861c-a783e99183d2", "title": "The value of limn→∞[n(logn+loglogn-1+(loglogn-2)/logn)] [closed]", "url": "https://mathoverflow.net/questions/515344/the-value-of-limn%e2%86%92%e2%88%9enlognloglogn-1loglogn-2-logn", "published_at": "2026-09-18T15:09:30+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ea704b2c", "title": "Given a rectifiable polyomino, to form the rectangle of least perimeter with it", "url": "https://mathoverflow.net/questions/515340/given-a-rectifiable-polyomino-to-form-the-rectangle-of-least-perimeter-with-it", "published_at": "2026-09-18T13:03:00+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ea934718", "title": "Reference for the renormalized $s = 1$ endpoint of the Berezin transform on the Poincaré disk", "url": "https://mathoverflow.net/questions/515334/reference-for-the-renormalized-s-1-endpoint-of-the-berezin-transform-on-the", "published_at": "2026-09-18T07:30:11+00:00" }, { "id": "01a0b654-e066-71df-861c-a783eb8f2bbb", "title": "Does this show that the unrestricted $O(1)$ reading of Perelman’s Remark 9.6 fails even on a closed manifold?", "url": "https://mathoverflow.net/questions/515332/does-this-show-that-the-unrestricted-o1-reading-of-perelman-s-remark-9-6-fai", "published_at": "2026-09-18T02:59:32+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ec6ca404", "title": "Reference request: Functional analysis over non-archimedean fields", "url": "https://mathoverflow.net/questions/515328/reference-request-functional-analysis-over-non-archimedean-fields", "published_at": "2026-09-18T01:05:41+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ec708cc5", "title": "Counting number fields and Galois groups", "url": "https://mathoverflow.net/questions/515324/counting-number-fields-and-galois-groups", "published_at": "2026-09-17T23:03:58+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ed20fa93", "title": "Semigroup of finite subsets", "url": "https://mathoverflow.net/questions/515319/semigroup-of-finite-subsets", "published_at": "2026-09-17T18:57:45+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ed4d37f1", "title": "sinuzoid zeros identifying prime numbers [closed]", "url": "https://mathoverflow.net/questions/515317/sinuzoid-zeros-identifying-prime-numbers", "published_at": "2026-09-17T18:08:33+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ed6910d4", "title": "Average index of a rank-2 subgroup of $\\mathbf{F}_p^\\times$", "url": "https://mathoverflow.net/questions/515316/average-index-of-a-rank-2-subgroup-of-mathbff-p-times", "published_at": "2026-09-17T17:57:23+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ee260f35", "title": "On the length of mollifiers for the Riemann Zeta function", "url": "https://mathoverflow.net/questions/515314/on-the-length-of-mollifiers-for-the-riemann-zeta-function", "published_at": "2026-09-17T15:56:18+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ee31ccbf", "title": "Ordering relation on $\\beta\\omega$", "url": "https://mathoverflow.net/questions/515311/ordering-relation-on-beta-omega", "published_at": "2026-09-17T14:00:09+00:00" }, { "id": "01a0b654-e066-71df-861c-a783eed0badb", "title": "Relation between the proportion of zeros of $\\xi'$ on the critical line and the proportion of zeros of $\\zeta$ on the critical line", "url": "https://mathoverflow.net/questions/515310/relation-between-the-proportion-of-zeros-of-xi-on-the-critical-line-and-the", "published_at": "2026-09-17T11:00:53+00:00" }, { "id": "01a0b654-e066-71df-861c-a783ef4d72d2", "title": "Different definitions of quantized enveloping algebra and finite-dimensional admissible representations", "url": "https://mathoverflow.net/questions/515307/different-definitions-of-quantized-enveloping-algebra-and-finite-dimensional-adm", "published_at": "2026-09-17T02:35:01+00:00" }, { "id": "01a0b654-e066-71df-861c-a783efdfc9d9", "title": "How do we prevent mathematics from devolving into the Medieval Era of secrecy?", "url": "https://mathoverflow.net/questions/515260/how-do-we-prevent-mathematics-from-devolving-into-the-medieval-era-of-secrecy", "published_at": "2026-09-15T16:58:28+00:00" }, { "id": "01a0b654-e066-71df-861c-a783f086e668", "title": "Covering the reals via $\\bf F_\\sigma$-sets in second-order arithmetic", "url": "https://mathoverflow.net/questions/515131/covering-the-reals-via-bf-f-sigma-sets-in-second-order-arithmetic", "published_at": "2026-09-11T08:50:38+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd30dab74", "title": "Regarding the outcome of a game", "url": "https://mathoverflow.net/questions/514521/regarding-the-outcome-of-a-game", "published_at": "2026-08-21T08:50:03+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd3b85a80", "title": "Extension of torsion sheaf supported on a reduced divisor", "url": "https://mathoverflow.net/questions/510597/extension-of-torsion-sheaf-supported-on-a-reduced-divisor", "published_at": "2026-04-23T08:53:35+00:00" }, { "id": "01a0b654-e066-71df-861c-a783f08b9239", "title": "To find a polyomino that can tile n different ‘irreducible’ rectangles", "url": "https://mathoverflow.net/questions/510284/to-find-a-polyomino-that-can-tile-n-different-irreducible-rectangles", "published_at": "2026-04-15T09:32:19+00:00" }, { "id": "01a0b654-e066-71df-861c-a783f0f4fe4a", "title": "Examples for the use of AI and especially LLMs in major mathematical developments [closed]", "url": "https://mathoverflow.net/questions/502120/examples-for-the-use-of-ai-and-especially-llms-in-major-mathematical-development", "published_at": "2025-10-26T17:38:28+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd3dccb03", "title": "In an artinian ring $R$, primitive idempotents of $R$ map to primitive idempotents of $\\overline{R}$", "url": "https://mathoverflow.net/questions/497393/in-an-artinian-ring-r-primitive-idempotents-of-r-map-to-primitive-idempoten", "published_at": "2025-07-08T13:20:45+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd49304f5", "title": "Flag spheres, h-polynomials and log-concavity", "url": "https://mathoverflow.net/questions/496440/flag-spheres-h-polynomials-and-log-concavity", "published_at": "2025-06-19T20:51:23+00:00" }, { "id": "01a0b654-e066-71df-861c-a783f10eb4cb", "title": "Generalization of the \"# of zeros cannot increase with time\" theorem to parabolic PDEs with inhomogenous term", "url": "https://mathoverflow.net/questions/490734/generalization-of-the-of-zeros-cannot-increase-with-time-theorem-to-paraboli", "published_at": "2025-04-08T17:23:23+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd52af86e", "title": "Is every positive definite kernel measurable?", "url": "https://mathoverflow.net/questions/488941/is-every-positive-definite-kernel-measurable", "published_at": "2025-03-06T07:33:10+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40e21ac16", "title": "Errata to Ceccherini-Silberstein/Scarabotti/Tolli's \"Symmetric Groups\"", "url": "https://mathoverflow.net/questions/485958/errata-to-ceccherini-silberstein-scarabotti-tollis-symmetric-groups", "published_at": "2025-01-14T18:17:33+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd560f14c", "title": "Asymptotics of system of quadratic ODEs on simplex", "url": "https://mathoverflow.net/questions/485056/asymptotics-of-system-of-quadratic-odes-on-simplex", "published_at": "2024-12-30T11:13:04+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd5f6a855", "title": "Eulerian posets and order complexes", "url": "https://mathoverflow.net/questions/475156/eulerian-posets-and-order-complexes", "published_at": "2024-07-16T14:41:11+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd667ad44", "title": "In Mann's six-functor formalism, do diagrams with the forget-supports map commute?", "url": "https://mathoverflow.net/questions/465864/in-manns-six-functor-formalism-do-diagrams-with-the-forget-supports-map-commut", "published_at": "2024-02-25T10:16:22+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd74824d7", "title": "Triple covers of $\\mathbb{P}^2$ with Tschirnhausen module $\\mathcal{O}(-1)\\oplus\\mathcal{O}(-1)$", "url": "https://mathoverflow.net/questions/446454/triple-covers-of-mathbbp2-with-tschirnhausen-module-mathcalo-1-oplus", "published_at": "2023-05-09T12:15:21+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40e39e2f2", "title": "Can every \"not-too-big\" differential field be thought of as actually consisting of functions?", "url": "https://mathoverflow.net/questions/441268/can-every-not-too-big-differential-field-be-thought-of-as-actually-consisting", "published_at": "2023-02-20T20:27:45+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40efd800e", "title": "Curves on potatoes", "url": "https://mathoverflow.net/questions/363950/curves-on-potatoes", "published_at": "2020-06-23T19:35:22+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40f02e069", "title": "How to interpret Gauss's late fragments on conformal mapping of the interior of an ellipse (to the unit disk) in modern mathematical terms?", "url": "https://mathoverflow.net/questions/328274/how-to-interpret-gausss-late-fragments-on-conformal-mapping-of-the-interior-of", "published_at": "2019-04-17T11:46:46+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd78b4450", "title": "How to find the Eulerian circuit with the minimum accumulative angular distance within an Eulerian graph?", "url": "https://mathoverflow.net/questions/328249/how-to-find-the-eulerian-circuit-with-the-minimum-accumulative-angular-distance", "published_at": "2019-04-17T03:33:50+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd7cefb7d", "title": "How are constants/functions named after their discoverer?", "url": "https://mathoverflow.net/questions/285627/how-are-constants-functions-named-after-their-discoverer", "published_at": "2017-11-09T13:16:06+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40f07c8b5", "title": "Are braid groups with finitely many generators NIP?", "url": "https://mathoverflow.net/questions/239697/are-braid-groups-with-finitely-many-generators-nip", "published_at": "2016-05-25T05:11:32+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd40fb053bb", "title": "More about self-complementary block designs", "url": "https://mathoverflow.net/questions/236677/more-about-self-complementary-block-designs", "published_at": "2016-04-19T19:49:18+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd7fca477", "title": "Yitang Zhang's 2007 preprint on Landau–Siegel zeros", "url": "https://mathoverflow.net/questions/131221/yitang-zhangs-2007-preprint-on-landau-siegel-zeros", "published_at": "2013-05-20T13:23:27+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd41071daf6", "title": "Cocomplete but not complete abelian category", "url": "https://mathoverflow.net/questions/112574/cocomplete-but-not-complete-abelian-category", "published_at": "2012-11-16T13:36:09+00:00" }, { "id": "01a0c513-8084-7210-854d-698bd8b7f4c3", "title": "\"Mathematics talk\" for five year olds", "url": "https://mathoverflow.net/questions/108505/mathematics-talk-for-five-year-olds", "published_at": "2012-10-01T01:09:23+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd410fae7cb", "title": "Showing a solution of elliptic PDe is non-degenerate", "url": "https://mathoverflow.net/questions/83228/showing-a-solution-of-elliptic-pde-is-non-degenerate", "published_at": "2011-12-12T07:45:55+00:00" }, { "id": "01a0b654-e067-7060-90ca-ecd411321092", "title": "Motivation for Hall-Witt identity", "url": "https://mathoverflow.net/questions/81224/motivation-for-hall-witt-identity", "published_at": "2011-11-18T06:53:01+00:00" } ] posts Claim your blog
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