Question

Is there an effective way to tell whether two homogeneous polynomials are isomorphic?

score 49 · Answer 1 · 2026-04-11 19:28:36

49

Views

Is there an effective way to tell whether two homogeneous polynomials are isomorphic?

Published on 11 Apr 2026 - 19:28

score 62 · Answer 2 · 2026-04-10 18:02:51

62

Views

Jacobian Variety, analytic definition

Published on 10 Apr 2026 - 18:02

score 48 · Answer 3 · 2026-04-16 03:19:45

48

Views

Exact sequence of module sheaves

Published on 16 Apr 2026 - 3:19

score 85 · Answer 4 · 2026-04-10 23:26:39

85

Views

Can we characterize the integer matrices which have cyclic kernel on the real torus?

Published on 10 Apr 2026 - 23:26

score 108 · Answer 5 · 2026-04-14 06:33:49

108

Views

Intersection of two curves only in two points.

Published on 14 Apr 2026 - 6:33

score 41 · Answer 6 · 2026-04-14 17:10:20

41

Views

Find supports of functions on a ring

Published on 14 Apr 2026 - 17:10

score 394 · Answer 7 · 2026-04-11 06:14:11

394

Views

Ideal sheaf of three points in general position in $\mathbb{P}^2$

Published on 11 Apr 2026 - 6:14

score 107 · Answer 8 · 2026-04-14 00:21:26

107

Views

Explicit description of the conjugation action of $[[1,0],[0,p]]$ on the amalgam $SL(2,\mathbb{Z})*_{\Gamma_0(p)} a_pSL(2,\mathbb{Z})a_p^{-1}$

Published on 14 Apr 2026 - 0:21

score 202 · Answer 9 · 2026-04-13 17:10:29

202

Views

Tautological line bundle over geometrically ruled surface

Published on 13 Apr 2026 - 17:10

score 37 · Answer 10 · 2026-04-14 00:40:35

37

Views

Cohen structure theorem for completions at non maximal ideals

Published on 14 Apr 2026 - 0:40

score 77 · Answer 11 · 2026-04-16 10:00:44

77

Views

Image of rational points of a morphism (defined over $\mathbb{Q}$) between affine spaces

Published on 16 Apr 2026 - 10:00

score 75 · Answer 12 · 2026-04-14 12:53:15

75

Views

A generic tangent plane gives non-degenerate tangent cone and etc.

Published on 14 Apr 2026 - 12:53

score 554 · Answer 13 · 2026-04-09 11:23:26

554

Views

Prime ideals and maximal ideals of the Pullback of rings

Published on 09 Apr 2026 - 11:23

score 183 · Answer 14 · 2026-04-15 22:03:19

183

Views

Are invertible sheaves on projective line $\mathbb{P}_k^1$ all twisting sheaves $\mathcal{O}_{\mathbb{P}_k^1}(n)$?

Published on 15 Apr 2026 - 22:03

score 529 · Answer 15 · 2026-03-25 04:37:58

529

Views

Computing the canonical divisor and intersection numbers after contracting an exceptional divisor

Published on 25 Mar 2026 - 4:37

List Question

Is there an effective way to tell whether two homogeneous polynomials are isomorphic?

Jacobian Variety, analytic definition

Exact sequence of module sheaves

Can we characterize the integer matrices which have cyclic kernel on the real torus?

Intersection of two curves only in two points.

Find supports of functions on a ring

Ideal sheaf of three points in general position in $\mathbb{P}^2$

Explicit description of the conjugation action of $[[1,0],[0,p]]$ on the amalgam $SL(2,\mathbb{Z})*_{\Gamma_0(p)} a_pSL(2,\mathbb{Z})a_p^{-1}$

Tautological line bundle over geometrically ruled surface

Cohen structure theorem for completions at non maximal ideals

Image of rational points of a morphism (defined over $\mathbb{Q}$) between affine spaces

A generic tangent plane gives non-degenerate tangent cone and etc.

Prime ideals and maximal ideals of the Pullback of rings

Are invertible sheaves on projective line $\mathbb{P}_k^1$ all twisting sheaves $\mathcal{O}_{\mathbb{P}_k^1}(n)$?

Computing the canonical divisor and intersection numbers after contracting an exceptional divisor

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