Question

Geometrically decompose this Hadamard matrix

score 148 · Answer 1 · 2019-11-18 02:06:28

148

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Geometrically decompose this Hadamard matrix

Published on 18 Nov 2019 - 2:06

score 121 · Answer 2 · 2026-03-25 09:50:00

121

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2D symmetry group with 1 or more rotations (nontrivial) but exactly 1 reflection (nontrivial)

Published on 25 Mar 2026 - 9:50

score 850 · Answer 3 · 2026-03-25 17:45:09

850

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What's the connection between Legendre polynomials, Associated Legendre polynomials, and Sphereical Harmonic?

Published on 25 Mar 2026 - 17:45

score 198 · Answer 4 · 2026-03-25 22:06:02

198

Views

Generating an infinite group of symmetries with an element of order 2 and 4

Published on 25 Mar 2026 - 22:06

score 416 · Answer 5 · 2026-02-23 10:06:11

416

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What is the reason for the shape of these Fourier series graphs?

Published on 23 Feb 2026 - 10:06

score 61 · Answer 6 · 2019-11-26 22:20:07

61

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Prove that if $D$ is a partition of vertex set of a graph $G$ then $D$ is ${\rm Aut}(G)$ invariant.

Published on 26 Nov 2019 - 22:20

score 47 · Answer 7 · 2026-03-26 04:32:33

47

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How many symmetries can a countable set $\mathfrak X\subset\Bbb R^d$ have?

Published on 26 Mar 2026 - 4:32

score 189 · Answer 8 · 2019-11-29 09:37:22

189

Views

How can I apply Burnside's Counting Lemma here?

Published on 29 Nov 2019 - 9:37

score 139 · Answer 9 · 2019-11-29 19:38:28

139

Views

Prob. 44, Sec. 8, in Fraleigh's A FIRST COURSE IN ABSTRACT ALGEBRA, 7th ed: Symmetries of a regular plane $n$-gon

Published on 29 Nov 2019 - 19:38

score 610 · Answer 10 · 2026-03-26 12:05:44

610

Views

A polygon with the same edge directions as a regular polygon

Published on 26 Mar 2026 - 12:05

score 30 · Answer 11 · 2019-12-12 00:48:37

30

Views

Getting parity symmetric distributions by summing two random variables

Published on 12 Dec 2019 - 0:48

score 1.3k · Answer 12 · 2019-12-18 16:37:13

1.3k

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Determine the symmetry group of the given designs

Published on 18 Dec 2019 - 16:37

score 144 · Answer 13 · 2019-12-18 17:17:59

144

Views

How to recognize the wallpaper groups of these patterns?

Published on 18 Dec 2019 - 17:17

score 483 · Answer 14 · 2019-12-19 12:53:47

483

Views

Finding point of symmetry of function $y=2x^3-bx^2+cx$

Published on 19 Dec 2019 - 12:53

score 385 · Answer 15 · 2019-12-21 04:53:14

385

Views

A conjecture regarding products of $u(x)=x+\frac1x$

Published on 21 Dec 2019 - 4:53

List Question

Geometrically decompose this Hadamard matrix

2D symmetry group with 1 or more rotations (nontrivial) but exactly 1 reflection (nontrivial)

What's the connection between Legendre polynomials, Associated Legendre polynomials, and Sphereical Harmonic?

Generating an infinite group of symmetries with an element of order 2 and 4

What is the reason for the shape of these Fourier series graphs?

Prove that if $D$ is a partition of vertex set of a graph $G$ then $D$ is ${\rm Aut}(G)$ invariant.

How many symmetries can a countable set $\mathfrak X\subset\Bbb R^d$ have?

How can I apply Burnside's Counting Lemma here?

Prob. 44, Sec. 8, in Fraleigh's A FIRST COURSE IN ABSTRACT ALGEBRA, 7th ed: Symmetries of a regular plane $n$-gon

A polygon with the same edge directions as a regular polygon

Getting parity symmetric distributions by summing two random variables

Determine the symmetry group of the given designs

How to recognize the wallpaper groups of these patterns?

Finding point of symmetry of function $y=2x^3-bx^2+cx$

A conjecture regarding products of $u(x)=x+\frac1x$

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