Question

When is a Hermitian matrix of the form $g^\circ g$ for some matrix $g$.

score 64 · Answer 1 · 2015-12-20 13:01:06

64

Views

When is a Hermitian matrix of the form $g^\circ g$ for some matrix $g$.

Published on 20 Dec 2015 - 13:01

score 331 · Answer 2 · 2015-12-20 20:17:32

331

Views

System of quadratic equations over field of size 2

Published on 20 Dec 2015 - 20:17

score 79 · Answer 3 · 2026-04-06 07:06:43

79

Views

Which one of these rings are isomorphic?

Published on 06 Apr 2026 - 7:06

score 130 · Answer 4 · 2015-12-20 22:54:21

130

Views

Are two dot products of a random variable vector independent?

Published on 20 Dec 2015 - 22:54

score 102 · Answer 5 · 2015-12-21 11:21:39

102

Views

What is $\rm{Aut}(\rm{AGL}(1,q))$ for $q=p^r$ and $r > 1$?

Published on 21 Dec 2015 - 11:21

score 273 · Answer 6 · 2015-12-21 14:41:03

273

Views

Counting the solutions of a quadratic equation

Published on 21 Dec 2015 - 14:41

score 40 · Answer 7 · 2015-12-21 18:12:55

40

Views

$X^p - t$ irreducible in $K[X]$ with $K:=\text{Quot}(\mathbb{F}_p[t])$

Published on 21 Dec 2015 - 18:12

score 129 · Answer 8 · 2026-03-28 16:04:42

129

Views

How to determine if a number is quadratic residue over binary field?

Published on 28 Mar 2026 - 16:04

score 126 · Answer 9 · 2015-12-22 16:03:21

126

Views

Proof that $(u+v)^p = u^p + v^p$ in vector space over finite field of characteristic $p$.

Published on 22 Dec 2015 - 16:03

score 302 · Answer 10 · 2026-03-28 19:35:57

302

Views

Show $a^2 + b^2 + 1 \equiv 0 \mod p$ always has a solution if $p = 4k+3$

Published on 28 Mar 2026 - 19:35

score 177 · Answer 11 · 2015-12-23 19:49:51

177

Views

What are the fields such that $x^4 = 1$ for every $x$ in the multiplicative group

Published on 23 Dec 2015 - 19:49

score 359 · Answer 12 · 2015-12-24 12:26:47

359

Views

Is the splitting field of $x^2+1$ over $\Bbb Z_2$ is $\{0,1,i,1+i\}$.

Published on 24 Dec 2015 - 12:26

score 403 · Answer 13 · 2015-12-26 10:42:55

403

Views

Raising to the pth power and using Vieta in finite fields with characteristic p

Published on 26 Dec 2015 - 10:42

score 552 · Answer 14 · 2015-12-27 20:29:28

552

Views

The elements in a finite field.

Published on 27 Dec 2015 - 20:29

score 866 · Answer 15 · 2026-04-06 07:04:07

866

Views

Generating irreducible polynomials over $GF(2)$

Published on 06 Apr 2026 - 7:04

List Question

When is a Hermitian matrix of the form $g^\circ g$ for some matrix $g$.

System of quadratic equations over field of size 2

Which one of these rings are isomorphic?

Are two dot products of a random variable vector independent?

What is $\rm{Aut}(\rm{AGL}(1,q))$ for $q=p^r$ and $r > 1$?

Counting the solutions of a quadratic equation

$X^p - t$ irreducible in $K[X]$ with $K:=\text{Quot}(\mathbb{F}_p[t])$

How to determine if a number is quadratic residue over binary field?

Proof that $(u+v)^p = u^p + v^p$ in vector space over finite field of characteristic $p$.

Show $a^2 + b^2 + 1 \equiv 0 \mod p$ always has a solution if $p = 4k+3$

What are the fields such that $x^4 = 1$ for every $x$ in the multiplicative group

Is the splitting field of $x^2+1$ over $\Bbb Z_2$ is $\{0,1,i,1+i\}$.

Raising to the pth power and using Vieta in finite fields with characteristic p

The elements in a finite field.

Generating irreducible polynomials over $GF(2)$

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