Mathematics
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maomao
  • Member for 8 years, 11 months
  • Last seen more than a week ago
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21
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All Questions Answers
Score Newest
question
22
Given an $n\times n\times n$ cube, what is the largest number of $1\times 1\times 1$ blocks that a plane can cut through?
Jul 19, 2020
question
8
Compute a diagonalizable matrix close in matrix exponential
Jul 13, 2016
question
6
A more elementary proof that if $x_i>0$ for $1\leq i\leq n$, and $\sum x_i=1$, then $(x_1+\frac{1}{x_1})\cdots(x_n+\frac{1}{x_n})\geq(n+\frac1n)^n$
Jul 31, 2020
question
4
How to show the two numbers are coprime?
Nov 13, 2019
question
4
For positive a,b,c,d, if $a^2+b^2+c^2+d^2+abcd=5$, show $a+b+c+d\leq 4$.
Apr 9, 2020
question
3
How many non-congruent triangles can be formed by the vertices of a regular polygon of $n$ sides
Jun 16, 2021
question
3
Union of a subspace and its orthogonal complement
Jul 22, 2016
question
3
Random walk returning probability
Jul 22, 2013
question
3
Compute the set of vertices of a polytope
Sep 16, 2015
question
2
Sufficient conditions to guarantee a series is Cesaro summable
Apr 15, 2015
Top network posts
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17
Complexity of the coset intersection problem
14
NP completeness over reals
14
Checking equivalence of two polytopes
12
$\mathsf{NP} \cap \mathsf{coNP}$ as oracle
11
Checking a long product of matrices

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