List questions from quadratic-forms

Published on 26 Mar 2026 - 12:53

971

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Hilbert Symbols when $K =$ the $p$-adic numbers

Published on 03 Apr 2026 - 12:10

925

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Isotropy over $p$-adic numbers

Published on 03 Apr 2026 - 12:08

199

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Quadratic form over the dyadic numbers

Published on 03 Apr 2026 - 12:08

1.1k

Views

Etymology of the word "isotropic"

Published on 12 Dec 2011 - 3:18

561

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Quadratic forms and prime numbers in the sieve of Atkin

Published on 26 Mar 2026 - 7:59

1.3k

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When are two diagonal matrices congruent?

Published on 19 Dec 2011 - 13:33

7.7k

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Proving that a matrix is negative definite using its principal minors

Published on 29 Dec 2011 - 17:24

795

Views

Canonical form of a Matrix

Published on 06 Jan 2012 - 11:22

240

Views

A question regarding local minimizer of a function restricted on a circle

Published on 11 Jan 2012 - 4:14

308

Views

Need reference about quadratic forms on abelian groups.

Published on 13 Jan 2012 - 19:56

11.5k

Views

Determine if the quadratic form is positive definite, negative definite or undefinite

Published on 19 Jan 2012 - 16:26

274

Views

On the set of integer solutions of $x^2+y^2-z^2=-1$.

Published on 21 Jan 2012 - 14:29

485

Views

Is there a nice way to define the "maximum" of two quadratic forms?

Published on 25 Jan 2012 - 12:06

159

Views

Proving the multiplicativity of a binary quadratic form

Published on 30 Jan 2012 - 2:09

List Question

Showing: If $w\in C\ell^1(V,Q)$ anticommutes with all $v\in V$, then $w=0$

Hilbert Symbols when $K =$ the $p$-adic numbers

Isotropy over $p$-adic numbers

Quadratic form over the dyadic numbers

Etymology of the word "isotropic"

Quadratic forms and prime numbers in the sieve of Atkin

When are two diagonal matrices congruent?

Proving that a matrix is negative definite using its principal minors

Canonical form of a Matrix

A question regarding local minimizer of a function restricted on a circle

Need reference about quadratic forms on abelian groups.

Determine if the quadratic form is positive definite, negative definite or undefinite

On the set of integer solutions of $x^2+y^2-z^2=-1$.

Is there a nice way to define the "maximum" of two quadratic forms?

Proving the multiplicativity of a binary quadratic form

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