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Top Questions

Function of $(x_1,x_2,x_3,x_4)$ that factors in two ways as $\phi_1 (x_1 ,x_2 )\phi_2(x_3 ,x_4 )=\psi_1 (x_1,x_3)\psi_2(x_2,x_4)$

co.combinatorics graph-theory ra.rings-and-algebras asked Oct 15, 2020 at 21:02

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Evaluate the infinite product $\prod_{n=1}^{\infty} \left(1-\frac{2}{(2n+1)^2}\right)$

calculus combinatorics infinite-product asked Sep 24, 2017 at 22:19

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How to compare $\pi, e\cdot 2^{1/3}, \frac{1+\sqrt{2}}{\sqrt{3}-1}$

calculus algebra-precalculus approximation asked Aug 26, 2019 at 2:31

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How to start doing significant research?

research-process mathematics research-topic asked Oct 10, 2019 at 18:51

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Condition on sigma algebra

probability probability-theory measure-theory asked Jul 27, 2017 at 2:56

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Are all article combinations valid patterns for "the" ɴᴏᴜɴ of "the" ɴᴏᴜɴ?

meaning articles zero-article asked Sep 16, 2019 at 0:11

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Expand $\frac{\Gamma\left(\frac{x}{2}\right)}{\Gamma\left(\frac{x-1}{2}\right)}$ at $x=\infty$

calculus sequences-and-series taylor-expansion gamma-function laurent-series asked Feb 7, 2021 at 18:25

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Non-Borel set in arbitrary metric space

real-analysis general-topology functional-analysis measure-theory asked Mar 19, 2019 at 23:34

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Is Socrates' happiness possible for average, normal people?

ethics political-philosophy socrates happiness asked Feb 8, 2019 at 22:21

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How to divide a number from both sides of from congruence equation from $79^{80}\equiv 1 \pmod{100}$ to $79^{79}\equiv x \pmod{100}$?

abstract-algebra number-theory modular-arithmetic asked Aug 16, 2019 at 15:38

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Top Answers

Show that $\max$ function on $\mathbb R^n$ is convex

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