Question

How to compute the power of an ideal of an order in the imaginary quadratic field?

score 54 · Answer 1 · 2017-11-20 00:16:47

54

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How to compute the power of an ideal of an order in the imaginary quadratic field?

Published on 20 Nov 2017 - 0:16

score 221 · Answer 2 · 2026-03-28 21:25:59

221

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Connection between integer lattice and quadratic number field

Published on 28 Mar 2026 - 21:25

score 75 · Answer 3 · 2026-03-25 19:04:08

75

Views

Suppose it can be shown that any right(left)-regular finite-state grammar implicitly generates a "hypar"" surface

Published on 25 Mar 2026 - 19:04

score 293 · Answer 4 · 2026-03-25 22:06:37

293

Views

Hyperboloids of one sheet, hyperbolic paraboloids, and Hilbert's famous "three skew lines"

Published on 25 Mar 2026 - 22:06

score 100 · Answer 5 · 2017-12-02 03:27:12

100

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Find value of $x^2+y^2$ using given expression

Published on 02 Dec 2017 - 3:27

score 839 · Answer 6 · 2026-04-02 01:45:06

839

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Analog of Vandermonde determinant for fitting a quadratic form?

Published on 02 Apr 2026 - 1:45

score 344 · Answer 7 · 2026-03-25 19:00:28

344

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Constrained optimisation for quadratic form with linear term

Published on 25 Mar 2026 - 19:00

score 102 · Answer 8 · 2026-03-29 08:16:08

102

Views

Character of $2x_1^2 + 5x_2^2 + 5x_3^2 + 4x_1x_2 - 4x_1x_3 - 8x_2x_3 $

Published on 29 Mar 2026 - 8:16

score 60 · Answer 9 · 2017-12-14 00:03:14

60

Views

Existence of a quadratic form

Published on 14 Dec 2017 - 0:03

score 69 · Answer 10 · 2017-12-14 03:57:52

69

Views

Relation between positive definiteness and the quadratic form?

Published on 14 Dec 2017 - 3:57

score 75 · Answer 11 · 2017-12-20 07:06:51

75

Views

quadratic form over polynomial rings

Published on 20 Dec 2017 - 7:06

score 278 · Answer 12 · 2017-12-20 11:27:28

278

Views

Matrix associated to this quadratic form

Published on 20 Dec 2017 - 11:27

score 107 · Answer 13 · 2017-12-24 19:51:47

107

Views

Show that $f(x,y,z)=6x^2+4y^2+2z^2+4xz-4yz \geq 0$ for all $x, y, z$ except for $x=y=z=0$

Published on 24 Dec 2017 - 19:51

score 451 · Answer 14 · 2017-12-26 11:49:30

451

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What are the values of $a$, one of the roots of the equation is greater than $1$ and the other is less than $1$?

Published on 26 Dec 2017 - 11:49

score 55 · Answer 15 · 2017-12-28 01:32:16

55

Views

Quadratic function, optimization, 2 variables

Published on 28 Dec 2017 - 1:32

List Question

How to compute the power of an ideal of an order in the imaginary quadratic field?

Connection between integer lattice and quadratic number field

Suppose it can be shown that any right(left)-regular finite-state grammar implicitly generates a "hypar"" surface

Hyperboloids of one sheet, hyperbolic paraboloids, and Hilbert's famous "three skew lines"

Find value of $x^2+y^2$ using given expression

Analog of Vandermonde determinant for fitting a quadratic form?

Constrained optimisation for quadratic form with linear term

Character of $2x_1^2 + 5x_2^2 + 5x_3^2 + 4x_1x_2 - 4x_1x_3 - 8x_2x_3 $

Existence of a quadratic form

Relation between positive definiteness and the quadratic form?

quadratic form over polynomial rings

Matrix associated to this quadratic form

Show that $f(x,y,z)=6x^2+4y^2+2z^2+4xz-4yz \geq 0$ for all $x, y, z$ except for $x=y=z=0$

What are the values of $a$, one of the roots of the equation is greater than $1$ and the other is less than $1$?

Quadratic function, optimization, 2 variables

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