Question

Cubic curves and their lattices

score 99 · Answer 1 · 2026-03-27 10:15:55

99

Views

Cubic curves and their lattices

Published on 27 Mar 2026 - 10:15

score 66 · Answer 2 · 2019-06-10 10:49:25

66

Views

How $a^2(x^2-y^2)-b=0$ is a degenerate conic consisting of twice the line at infinity for $a=0$ and $b=1$?

Published on 10 Jun 2019 - 10:49

score 46 · Answer 3 · 2019-06-10 17:21:40

46

Views

"No way to put a topology on $\mathbb{Q}^/\mathbb{Q}^{2}$ such that the map $\alpha$ is continuous."

Published on 10 Jun 2019 - 17:21

score 98 · Answer 4 · 2026-03-25 11:22:12

98

Views

What are the automorphisms on the strucuture consisting of the nonzero vectors of a Hilbert space with the orthogonality relation?

Published on 25 Mar 2026 - 11:22

score 86 · Answer 5 · 2026-03-25 23:38:27

86

Views

Isometry group of a quadratic form of signature $(1, 3)$

Published on 25 Mar 2026 - 23:38

score 124 · Answer 6 · 2019-06-11 17:09:17

124

Views

For $X$ projective variety, $ X-Z(f) $ is isomorphic to an affine variety

Published on 11 Jun 2019 - 17:09

score 824 · Answer 7 · 2026-03-26 04:49:40

824

Views

Understanding Projection operator $\pi$

Published on 26 Mar 2026 - 4:49

score 52 · Answer 8 · 2019-06-14 17:12:07

52

Views

Coordinates for line in projective geometry with given points

Published on 14 Jun 2019 - 17:12

score 128 · Answer 9 · 2026-03-25 06:10:59

128

Views

Polar divisor contains no hyperplane when degree $d\geq 3$

Published on 25 Mar 2026 - 6:10

score 87 · Answer 10 · 2019-06-17 10:08:43

87

Views

A line is specified by two parameters (the two independent ratios $\{a : b : c \}$)

Published on 17 Jun 2019 - 10:08

score 96 · Answer 11 · 2019-06-18 16:52:09

96

Views

Is there a conic tangent to each of the six lines comprising a conic-inscribed hexagon?

Published on 18 Jun 2019 - 16:52

score 244 · Answer 12 · 2026-03-26 20:39:39

244

Views

Show two lines intersecting two disjoint planes in different points are disjoint

Published on 26 Mar 2026 - 20:39

score 118 · Answer 13 · 2026-03-22 18:20:35

Four non-collinear points $A,A',B,B'$ forming a projective basis imply a projective transformation $f$ with $f^2 = I_d$ and $f(A)= A'$, $f(B)= B'$.

score 58 · Answer 14 · 2019-06-24 09:16:36

Show there exists a unique plane $\pi_0$ which intersects with 3 other planes $\pi_0 \cap \pi_i$ in a line in projective space $\mathbb{R}P^4$

score 68 · Answer 15 · 2019-06-25 12:00:02

68

Views

Factorization of a matrix into two linear terms

Published on 25 Jun 2019 - 12:00

List Question

Cubic curves and their lattices

How $a^2(x^2-y^2)-b=0$ is a degenerate conic consisting of twice the line at infinity for $a=0$ and $b=1$?

"No way to put a topology on $\mathbb{Q}^/\mathbb{Q}^{2}$ such that the map $\alpha$ is continuous."

What are the automorphisms on the strucuture consisting of the nonzero vectors of a Hilbert space with the orthogonality relation?

Isometry group of a quadratic form of signature $(1, 3)$

For $X$ projective variety, $ X-Z(f) $ is isomorphic to an affine variety

Understanding Projection operator $\pi$

Coordinates for line in projective geometry with given points

Polar divisor contains no hyperplane when degree $d\geq 3$

A line is specified by two parameters (the two independent ratios $\{a : b : c \}$)

Is there a conic tangent to each of the six lines comprising a conic-inscribed hexagon?

Show two lines intersecting two disjoint planes in different points are disjoint

Four non-collinear points $A,A',B,B'$ forming a projective basis imply a projective transformation $f$ with $f^2 = I_d$ and $f(A)= A'$, $f(B)= B'$.

Show there exists a unique plane $\pi_0$ which intersects with 3 other planes $\pi_0 \cap \pi_i$ in a line in projective space $\mathbb{R}P^4$

Factorization of a matrix into two linear terms

Trending Questions

Popular # Hahtags

Popular Questions