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Explore Teams Teams Q&A for work Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Explore our questions Ask Question real-analysis calculus linear-algebra probability abstract-algebra integration sequences-and-series combinatorics general-topology matrices more tags Interesting 36 Bountied Hot Week Month 0 votes 0 answers 3 views Construction of a function subject to conditions complex-analysis analysis A. Random 347 asked 2 mins ago 1 vote 0 answers 11 views Not sure if this is a valid way of proving local maximum real-analysis analysis solution-verification Red Five 2,646 modified 5 mins ago 1 vote 1 answer 1k views Prove that the extremity of the polar subtangent of the curve $u+f(\theta)=0$ is $u=f’(\theta+\frac{\pi}{2})$ where $u=\frac{1}{r}$ calculus curves locus tangent-line Community Bot 1 modified 5 mins ago 0 votes 0 answers 3 views Showing the stationary distribution of Langevin Diffusion without Fokker Plank (Rosenthal 15.6.9) measure-theory stochastic-processes Oxderp 41 asked 6 mins ago 0 votes 1 answer 35 views What are necessary and sufficient conditions to have a negative cycle in a directed graph with some negative edges? graph-theory algorithms hamiltonian-path directed-graphs eulerian-path Sgg8 1,446 modified 9 mins ago 2 votes 0 answers 9 views constraints on the sum and product of roots of quadratic equation assuming less than unity roots calculus complex-numbers contest-math roots quadratics K.K.McDonald 3,147 modified 1 min ago 0 votes 0 answers 6 views Integer Godel-like numbering in order to canonicalize finite, directed multi-graphs. 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Is it surjective? graph-theory prime-numbers prime-factorization incompleteness canonical-form Daniel Donnelly 21.4k modified 11 mins ago 2 votes 0 answers 7 views Hausdorff’s Division of the Circle into Congruent Pieces probability-theory measure-theory terminology math-history Izaak van Dongen 4,101 modified 12 mins ago -1 votes 1 answer 20 views How do you prove that the following sequence diverges? limits convergence-divergence Yash Shrivastava 795 answered 13 mins ago 7 votes 1 answer 254 views Convergence of sequences $\sum_{k=1}^n \frac{1}{k}\sin\frac{n}{k}$ as $n\to\infty$. sequences-and-series improper-integrals Riemann 7,517 modified 13 mins ago 0 votes 0 answers 11 views hyperoctahedral group, preliminaries abstract-algebra ness 363 modified 17 mins ago 0 votes 0 answers 5 views Invertibility and coordinate vectors linear-algebra Evelyn Zhang 1 modified 22 mins ago 0 votes 0 answers 4 views How does the largest eigenvalue of symmetric matrix associated with a quadratic form change with dimension n. quadratics quadratic-forms lipschitz-functions ufghd34 1 asked 23 mins ago 1 vote 0 answers 27 views How to explain arithmetic form of surprising equality that connects derangement numbers to non-unity partitions? 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linear-algebra partial-differential-equations jordan-normal-form Matthew Cassell 4,279 modified 1 hour ago 1 vote 1 answer 44 views What does the...