Robuta

https://mathoverflow.net/questions/513646/can-a-finite-colimit-of-finite-groups-be-an-infinite-simple-group gr.group theory - Can a finite colimit of finite groups be an infinite simple group? - MathOverflow https://mathoverflow.net/ MathOverflow mathoverflow https://mathoverflow.net/questions/tagged/elliptic-curves Newest 'elliptic-curves' Questions - MathOverflow elliptic curvesnewestquestionsmathoverflow https://mathoverflow.net/questions/421358/techniques-for-debugging-proofs soft question - Techniques for debugging proofs - MathOverflow After writing many proofs, most of which contained errors in their initial form, I have developed some simple techniques for "debugging" my proofs. Of course,... softquestiontechniquesdebuggingproofs https://mathoverflow.net/questions/64146/grothendieck-teichm%c3%bcller-conjecture ag.algebraic geometry - Grothendieck-Teichmüller conjecture - MathOverflow algebraic geometryaggrothendieckconjecturemathoverflow https://mathoverflow.net/questions/tagged/rt.representation-theory Newest 'rt.representation-theory' Questions - MathOverflow representation theorynewestrtquestionsmathoverflow https://meta.mathoverflow.net/users/109654/geoffrey-sangston User Geoffrey Sangston - MathOverflow Meta usergeoffreymathoverflowmeta https://meta.mathoverflow.net/questions/tagged/statistics Newest 'statistics' Questions - MathOverflow Meta neweststatisticsquestionsmathoverflowmeta https://mathoverflow.net/questions/tagged/reference-request Newest 'reference-request' Questions - MathOverflow reference requestnewestquestionsmathoverflow https://mathoverflow.net/users/585681/michael-emmerich User Michael Emmerich - MathOverflow michael emmerichusermathoverflow https://mathoverflow.net/users/172802/sa%c3%bal-rm User Saúl RM - MathOverflow userrmmathoverflow https://mathoverflow.net/users/136218/fabius-wiesner User Fabius Wiesner - MathOverflow fabius wiesnerusermathoverflow https://meta.mathoverflow.net/users/592598/timh User TimH - MathOverflow Meta usertimhmathoverflowmeta https://mathoverflow.net/users/477593/philip-weiss User Philip Weiss - MathOverflow philip weissusermathoverflow https://mathoverflow.net/users/108884/m-winter User M. Winter - MathOverflow userwintermathoverflow https://mathoverflow.net/questions/tagged/limits-and-colimits?tab=Bounties Bountied 'limits-and-colimits' questions - MathOverflow limits and colimitsbountiedquestionsmathoverflow https://mathoverflow.net/users/8133/noah-schweber User Noah Schweber - MathOverflow noah schweberusermathoverflow https://mathoverflow.net/questions/tagged/ap.analysis-of-pdes Newest 'ap.analysis-of-pdes' Questions - MathOverflow analysis of pdesnewestapquestionsmathoverflow https://meta.mathoverflow.net/questions/tagged/down-votes Newest 'down-votes' Questions - MathOverflow Meta newestvotesquestionsmathoverflowmeta https://mathoverflow.net/users/172799/daniel-sebald User Daniel Sebald - MathOverflow userdanielsebaldmathoverflow https://meta.mathoverflow.net/users/25028/sam-hopkins User Sam Hopkins - MathOverflow Meta sam hopkinsusermathoverflowmeta https://mathoverflow.net/users/12905/tito-piezas-iii User Tito Piezas III - MathOverflow usertitopiezasiiimathoverflow https://mathoverflow.net/questions/tagged/conjectures Newest 'conjectures' Questions - MathOverflow newestconjecturesquestionsmathoverflow https://mathoverflow.net/questions/tagged/tannakian-category Newest 'tannakian-category' Questions - MathOverflow category questionsnewestmathoverflow https://meta.mathoverflow.net/questions/6368/the-draft-of-an-unsubmited-post The draft of an unsubmited post - MathOverflow Meta When one write a draft of a question in MO but does not submit(does not post the question) it will remain as a draft. My question: will the draft remain for... the draftpostmathoverflowmeta https://mathoverflow.net/questions/tagged/six-operations Newest 'six-operations' Questions - MathOverflow newestsixoperationsquestionsmathoverflow https://mathoverflow.net/questions/tagged/computational-geometry Newest 'computational-geometry' Questions - MathOverflow computational geometrynewestquestionsmathoverflow https://meta.mathoverflow.net/users/2290/felipe-voloch User Felipe Voloch - MathOverflow Meta userfelipemathoverflowmeta https://mathoverflow.net/questions/46158/the-topological-realization-functor-reflect-coequalizers ct.category theory - The topological realization functor reflect coequalizers ? - MathOverflow Reading the book of Goess-Jardine or of Gabriel-Zisman on the simplicial homotopy there are coker presentation of the boundary $\partial\Delta^n $ of the... category theorycttopologicalrealizationmathoverflow https://mathoverflow.net/users/login?ssrc=site_switcher&returnurl=https%3a%2f%2fmathoverflow.net%2fquestions%2f229095%2fcolimits-in-cat-via-coproducts-and-coequalizers Log In - MathOverflow logmathoverflow https://mathoverflow.net/users/476270/subrosar User subrosar - MathOverflow usermathoverflow https://meta.mathoverflow.net/questions/tagged/status-completed Newest 'status-completed' Questions - MathOverflow Meta neweststatuscompletedquestionsmathoverflow https://meta.mathoverflow.net/questions/tagged/election Newest 'election' Questions - MathOverflow Meta newestelectionquestionsmathoverflowmeta https://mathoverflow.net/questions/tagged/modular-forms Newest 'modular-forms' Questions - MathOverflow newestmodularformsquestionsmathoverflow https://meta.mathoverflow.net/users/587684/marco-mantovanelli User Marco Mantovanelli - MathOverflow Meta usermarcomathoverflowmeta https://meta.mathoverflow.net/users/5484/daniel-asimov User Daniel Asimov - MathOverflow Meta daniel asimovusermathoverflowmeta https://mathoverflow.net/users/45250/gmvh User gmvh - MathOverflow usergmvhmathoverflow https://mathoverflow.net/users/login?ssrc=site_switcher&returnurl=https%3a%2f%2fmathoverflow.net%2fquestions%2f513646%2fcan-a-finite-colimit-of-finite-groups-be-an-infinite-simple-group Log In - MathOverflow logmathoverflow https://meta.mathoverflow.net/users/8250/martin-sleziak User Martin Sleziak - MathOverflow Meta martin sleziakusermathoverflowmeta https://mathoverflow.net/help/deleting-account How do I delete my account? - Help Center - MathOverflow how do idelete my accounthelp centermathoverflow https://mathoverflow.net/users/128659/y-wei User Y.Wei - MathOverflow userweimathoverflow https://mathoverflow.net/users/12481/joro User joro - MathOverflow userjoromathoverflow https://mathoverflow.net/questions/tagged/computational-complexity Newest 'computational-complexity' Questions - MathOverflow computational complexitynewestquestionsmathoverflow https://mathoverflow.net/users/593245/caelinya User Caelinya - MathOverflow usermathoverflow https://mathoverflow.net/users/10007/ben-sprott User Ben Sprott - MathOverflow ben sprottusermathoverflow https://mathoverflow.net/users/591071/ashish-atri User Ashish Atri - MathOverflow userashishatrimathoverflow https://mathoverflow.net/questions/tagged/lie-groups Newest 'lie-groups' Questions - MathOverflow lie groupsnewestquestionsmathoverflow https://mathoverflow.net/users/53091/vladimir-kanovei User Vladimir Kanovei - MathOverflow uservladimirmathoverflow https://mathoverflow.net/users/290/qiaochu-yuan User Qiaochu Yuan - MathOverflow qiaochu yuanusermathoverflow https://mathoverflow.net/questions/200268/map-from-algebraic-k-theory-to-topological-k-theory Map from algebraic K-theory to topological K-theory - MathOverflow Suppose that $A$ is a Banach algebra with unit. We can consider $GL(A)$ as a topological group in either the discrete topology or the topology that it inherits... k theorymapalgebraictopologicalmathoverflow https://mathoverflow.net/questions/tagged/accessible-categories Newest 'accessible-categories' Questions - MathOverflow newestaccessiblecategoriesquestionsmathoverflow https://mathoverflow.net/users/43266/bof User bof - MathOverflow userbofmathoverflow https://mathoverflow.net/questions/tagged/co.combinatorics Newest 'co.combinatorics' Questions - MathOverflow newestcoquestionsmathoverflow https://meta.mathoverflow.net/users/584051/mohammed-k-a-albaba User Mohammed K. A. Albaba - MathOverflow Meta k ausermohammedmathoverflowmeta https://mathoverflow.net/users/36688/ali-taghavi User Ali Taghavi - MathOverflow ali taghaviusermathoverflow https://mathoverflow.net/questions/325756/how-many-algebraic-closures-can-a-field-have set theory - How many algebraic closures can a field have? - MathOverflow Assuming the axiom of choice given a field $F$, there is an algebraic extension $\overline F$ of $F$ which is algebraically closed. Moreover, if $K$ is a... set theoryhow manyalgebraic https://mathoverflow.net/tour Tour - MathOverflow tourmathoverflow https://mathoverflow.net/users/124004/ijl?tab=tags User IJL - MathOverflow userijlmathoverflow https://mathoverflow.net/users/5484/daniel-asimov User Daniel Asimov - MathOverflow daniel asimovusermathoverflow https://mathoverflow.net/users/81055/denis-t User Denis T - MathOverflow denis tusermathoverflow https://mathoverflow.net/questions/tagged/ag.algebraic-geometry Newest 'ag.algebraic-geometry' Questions - MathOverflow algebraic geometrynewestagquestionsmathoverflow https://mathoverflow.net/unanswered/tagged?page=5&tab=votes Highly scored unanswered questions - Page 5 - MathOverflow unanswered questionshighlyscoredmathoverflow https://meta.mathoverflow.net/users/19844/kieren-macmillan User Kieren MacMillan - MathOverflow Meta usermacmillanmathoverflowmeta https://mathoverflow.net/help/how-to-answer How do I write a good answer? - Help Center - MathOverflow how do ia goodhelp centerwriteanswer https://mathoverflow.net/users/584232/filo-z User filo-Z - MathOverflow userfilozmathoverflow https://meta.mathoverflow.net/users/299/ravi-vakil User Ravi Vakil - MathOverflow Meta userravimathoverflowmeta https://mathoverflow.net/users/595588/august-sha User August Sha - MathOverflow useraugustshamathoverflow https://mathoverflow.net/questions/172350/a-proof-of-dimrt-dimr1-without-prime-ideals ac.commutative algebra - A proof of $\dim(R[T])=\dim(R)+1$ without prime ideals? - MathOverflow Please read this first before answering. This question is only concerned with a proof of the dimension formula using the Coquand-Lombardi characterization... https://meta.mathoverflow.net/questions/6366/clanky-but-helpful-answers Clanky-but-helpful answers - MathOverflow Meta In brief: are there alternatives to deletion for genuinely-helpful answers that are likely written by generative AI? This question was motivated by a couple of... helpful answersclankymathoverflowmeta https://mathoverflow.net/users/322094/lorenzo-riva User Lorenzo Riva - MathOverflow lorenzo rivausermathoverflow https://mathoverflow.net/help/badges Badges - MathOverflow badgesmathoverflow https://meta.mathoverflow.net/questions/tagged/bug Newest 'bug' Questions - MathOverflow Meta newestbugquestionsmathoverflowmeta https://mathoverflow.net/posts/510327/revisions Revisions to Does the category of metrizable spaces have filtered colimits? - MathOverflow the category https://meta.mathoverflow.net/questions/tagged/deletions Newest 'deletions' Questions - MathOverflow Meta newestdeletionsquestionsmathoverflowmeta https://mathoverflow.net/users/58345/eddy-ardonne User eddy ardonne - MathOverflow usereddymathoverflow https://mathoverflow.net/questions/tagged/automorphisms Newest 'automorphisms' Questions - MathOverflow newestautomorphismsquestionsmathoverflow https://mathoverflow.net/questions/tagged/schemes Newest 'schemes' Questions - MathOverflow newestschemesquestionsmathoverflow https://meta.mathoverflow.net/users/18739/peter-mueller User Peter Mueller - MathOverflow Meta peter muellerusermathoverflowmeta https://mathoverflow.net/users?tab=Reputation&filter=month Users - MathOverflow usersmathoverflow https://mathoverflow.net/questions/338415/on-the-first-sequence-without-triple-in-arithmetic-progression nt.number theory - On the first sequence without triple in arithmetic progression - MathOverflow In this Numberphile video (from 3:36 to 7:41), Neil Sloane explains an amazing sequence: It is the lexicographically first among the sequences of positive... https://mathoverflow.net/questions/160265/analogues-of-p-vs-np-in-the-history-of-mathematics soft question - Analogues of P vs. NP in the history of mathematics - MathOverflow Recently I wrote a blog post entitled https://meta.mathoverflow.net/questions/tagged/on-topic Newest 'on-topic' Questions - MathOverflow Meta on topicnewestquestionsmathoverflowmeta https://mathoverflow.net/questions/tagged/vector-bundles Newest 'vector-bundles' Questions - MathOverflow newestvectorbundlesquestionsmathoverflow https://meta.mathoverflow.net/questions/tagged/comments Newest 'comments' Questions - MathOverflow Meta newest commentsquestionsmathoverflowmeta https://meta.mathoverflow.net/questions/tagged/support Newest 'support' Questions - MathOverflow Meta support questionsnewestmathoverflowmeta https://meta.mathoverflow.net/questions/tagged/badges Newest 'badges' Questions - MathOverflow Meta newestbadgesquestionsmathoverflowmeta https://mathoverflow.net/users/29992/serge-lvovski User Serge Lvovski - MathOverflow usersergemathoverflow https://mathoverflow.net/posts/513646/timeline Timeline for Can a finite colimit of finite groups be an infinite simple group? - MathOverflow https://meta.mathoverflow.net/tags Tags - MathOverflow Meta tagsmathoverflowmeta https://mathoverflow.net/questions/tagged/lie-algebroids Newest 'lie-algebroids' Questions - MathOverflow newestliequestionsmathoverflow https://mathoverflow.net/users/545475/lewis-baxter User Lewis Baxter - MathOverflow userlewisbaxtermathoverflow https://mathoverflow.net/questions/tagged/computational-complexity?tab=Bounties Bountied 'computational-complexity' questions - MathOverflow computational complexitybountiedquestionsmathoverflow https://mathoverflow.net/questions/359477/does-forgetting-colimits-preserve-colimits ct.category theory - Does forgetting colimits preserve colimits? - MathOverflow category theoryctforgettingpreservemathoverflow https://mathoverflow.net/questions/tagged/set-theory Newest 'set-theory' Questions - MathOverflow set theorynewestquestionsmathoverflow https://meta.mathoverflow.net/questions/tagged/vote-to-close Newest 'vote-to-close' Questions - MathOverflow Meta newestvoteclosequestionsmathoverflow https://mathoverflow.net/questions/tagged/algebraic-groups Newest 'algebraic-groups' Questions - MathOverflow newestalgebraicgroupsquestionsmathoverflow https://mathoverflow.net/help/badges/103/gr-group-theory gr.group-theory - Badge - MathOverflow gr grouptheorybadgemathoverflow https://mathoverflow.net/users/login?ssrc=site_switcher Log In - MathOverflow logmathoverflow https://mathoverflow.net/users/596227/jitendra-prajapati User Jitendra Prajapati - MathOverflow userjitendraprajapatimathoverflow https://mathoverflow.net/users/595826/cyc User cyc - MathOverflow usercycmathoverflow