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Pfaffian And Determinant

score 876 · Answer 1 · 2026-02-22 23:05:53

876

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Pfaffian And Determinant

Published on 22 Feb 2026 - 23:05

score 1k · Answer 2 · 2013-09-24 15:44:37

1k

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Combinatorial interpretation of an alternating binomial sum

Published on 24 Sep 2013 - 15:44

score 551 · Answer 3 · 2017-05-15 13:23:25

551

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What do we mean when we say the Schur functions form a basis.

Published on 15 May 2017 - 13:23

score 783 · Answer 4 · 2017-06-26 01:46:01

783

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What is the expected value of the product of the number of heads you get and the number of tails you get when you flip n coins?

Published on 26 Jun 2017 - 1:46

score 351 · Answer 5 · 2017-06-27 07:57:42

351

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Counting monic irreducible polynomials of a particular degree without use of finite fields?

Published on 27 Jun 2017 - 7:57

score 1.2k · Answer 6 · 2026-03-25 20:14:14

1.2k

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Is there a explicit formula for the number of Semi-standard Young Tableaux over $\{1,\dots,n\}$ for a given partition $\lambda$ and a given type $\mu$

Published on 25 Mar 2026 - 20:14

score 39 · Answer 7 · 2017-09-07 13:50:18

39

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How does the sum of closed walks change when a new vertex is added to a subgraph?

Published on 07 Sep 2017 - 13:50

score 94 · Answer 8 · 2026-03-25 20:13:56

94

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Murnaghan-Nakayama rule for general dimension of a hook

Published on 25 Mar 2026 - 20:13

score 203 · Answer 9 · 2017-10-11 00:14:06

203

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Invariants in the ring of coinvariants

Published on 11 Oct 2017 - 0:14

score 35 · Answer 10 · 2017-10-14 14:53:36

35

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Is there any way to simplify $\frac{1}{2^{n - 1}}\sum_{i=0}^{n - 1} {\binom{n - 1}{i}}{a[i]}$?

Published on 14 Oct 2017 - 14:53

score 290 · Answer 11 · 2017-10-26 14:17:36

290

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Does in plane exist $22$ points and $22$ such circles that each circle contains at least $7$ points and each point is on at least $7$ circles.

Published on 26 Oct 2017 - 14:17

score 80 · Answer 12 · 2017-10-31 19:00:44

80

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Prove the $3 \times 3 $ grid can never contain all $1$' s.

Published on 31 Oct 2017 - 19:00

score 73 · Answer 13 · 2017-11-21 13:01:08

73

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Representation theory of the symmetric group

Published on 21 Nov 2017 - 13:01

score 96 · Answer 14 · 2017-12-08 07:42:33

96

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Is there any proof of this identity?

Published on 08 Dec 2017 - 7:42

score 137 · Answer 15 · 2017-12-12 12:47:59

137

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How many ways to place $m$ labelled balls into $n$ labelled boxes such that at least one box has more than $k$ balls

Published on 12 Dec 2017 - 12:47

List Question

Pfaffian And Determinant

Combinatorial interpretation of an alternating binomial sum

What do we mean when we say the Schur functions form a basis.

What is the expected value of the product of the number of heads you get and the number of tails you get when you flip n coins?

Counting monic irreducible polynomials of a particular degree without use of finite fields?

Is there a explicit formula for the number of Semi-standard Young Tableaux over $\{1,\dots,n\}$ for a given partition $\lambda$ and a given type $\mu$

How does the sum of closed walks change when a new vertex is added to a subgraph?

Murnaghan-Nakayama rule for general dimension of a hook

Invariants in the ring of coinvariants

Is there any way to simplify $\frac{1}{2^{n - 1}}\sum_{i=0}^{n - 1} {\binom{n - 1}{i}}{a[i]}$?

Does in plane exist $22$ points and $22$ such circles that each circle contains at least $7$ points and each point is on at least $7$ circles.

Prove the $3 \times 3 $ grid can never contain all $1$' s.

Representation theory of the symmetric group

Is there any proof of this identity?

How many ways to place $m$ labelled balls into $n$ labelled boxes such that at least one box has more than $k$ balls

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