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Mark Wildon's user avatar
Mark Wildon's user avatar
Mark Wildon
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Top posts
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58
Important formulas in combinatorics
Aug 17, 2015
answer
44
Ramanujan's Incorrect formula
May 28, 2011
question
43
Alternating sum of square roots of binomial coefficients
Jan 6, 2012
answer
35
No canonical isomorphism
Apr 23, 2021
answer
31
Is the matrix $\left({2m\choose 2j-i}\right)_{i,j=1}^{2m-1}$ nonsingular?
Dec 29, 2016
answer
30
Proving $\sum_{k=0}^{2m}(-1)^k{\binom{2m}{k}}^3=(-1)^m\binom{2m}{m}\binom{3m}{m}$
Oct 5, 2013
answer
27
Decomposing $(\mathbb C^n)^{\otimes m}$ as a representation of $S_n\times S_m$
Mar 2, 2015
answer
26
What are the benefits of writing vector inner products as $\langle u, v\rangle$ as opposed to $u^T v$?
Jul 20, 2020
answer
23
Two equivalent irreducible representations given by integer matrices
Jan 15, 2020
question
23
Is there a short proof that the Kostka number $K_{\lambda \mu}$ is non-zero whenever $\lambda$ dominates $\mu$?
Dec 19, 2015
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Impressive common misleading interpretations in statistics to make students aware of
26
Kneading causing gluten
20
Knights and jokers
15
First account of autism in speculative fiction
14
How to prove there exists $c$ such $f(c)f'(c)+f''(c)=0$