Question

Is there a name for an irregular polyhedron of fourteen sides?

score 734 · Answer 1 · 2014-12-08 18:14:14

734

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Is there a name for an irregular polyhedron of fourteen sides?

Published on 08 Dec 2014 - 18:14

score 3.8k · Answer 2 · 2026-03-25 04:35:21

3.8k

Views

Five Cubes in Dodecahedron

Published on 25 Mar 2026 - 4:35

score 1.3k · Answer 3 · 2026-03-25 23:51:46

1.3k

Views

Proving the upper bound of edges in a convex polyhedron

Published on 25 Mar 2026 - 23:51

score 3.1k · Answer 4 · 2026-03-25 06:00:34

3.1k

Views

Is Dodecahedron tesselation somehow possible?

Published on 25 Mar 2026 - 6:00

score 205 · Answer 5 · 2014-12-22 15:52:36

205

Views

Is there any regular polyhedron that is not of Euler characteristic 2

Published on 22 Dec 2014 - 15:52

score 155 · Answer 6 · 2026-03-26 06:10:32

155

Views

Equality of polyhedra

Published on 26 Mar 2026 - 6:10

score 822 · Answer 7 · 2026-03-26 14:43:17

822

Views

Symmetries of Archimedean Solids

Published on 26 Mar 2026 - 14:43

score 171 · Answer 8 · 2019-10-03 22:56:50

171

Views

Prove the half space of a polyhedron in $R^n$ is a polyhedron

Published on 03 Oct 2019 - 22:56

score 412 · Answer 9 · 2026-03-25 22:05:30

412

Views

For polyhedron $P$, vector $a$, scalar $b$, prove that $Q:=\{x\in P:a^tx\leq b\}$ is a polyhedron. Also, can $Q=P$?

Published on 25 Mar 2026 - 22:05

score 2.3k · Answer 10 · 2026-03-25 19:04:32

2.3k

Views

Prove that a convex polytope has finitely many extreme points.

Published on 25 Mar 2026 - 19:04

score 195 · Answer 11 · 2026-03-16 22:20:32

195

Views

Prove that the set of doubly stochastic $3 \times 3$ matrices is a polyhedron

Published on 16 Mar 2026 - 22:20

score 57 · Answer 12 · 2019-10-09 05:41:04

57

Views

$P:=\{x\in\mathbb{R}^n:Ax\ge b\}, S:=\{c^Tx:x\in P\}$, prove that $S$ is a convex set

Published on 09 Oct 2019 - 5:41

score 286 · Answer 13 · 2019-10-09 18:49:42

286

Views

Coloring the faces of a regular icosahedron with $2$ colors

Published on 09 Oct 2019 - 18:49

score 119 · Answer 14 · 2019-10-11 05:26:30

119

Views

Consider the set given by $\{(x, y, z) \in\Bbb R : |x| + |y| + |z| \le 1\}$. Show that it is a polyhedron.

Published on 11 Oct 2019 - 5:26

score 175 · Answer 15 · 2019-10-12 21:42:46

175

Views

Are all the Archimedean solids spherical/inscribed?

Published on 12 Oct 2019 - 21:42

List Question

Is there a name for an irregular polyhedron of fourteen sides?

Five Cubes in Dodecahedron

Proving the upper bound of edges in a convex polyhedron

Is Dodecahedron tesselation somehow possible?

Is there any regular polyhedron that is not of Euler characteristic 2

Equality of polyhedra

Symmetries of Archimedean Solids

Prove the half space of a polyhedron in $R^n$ is a polyhedron

For polyhedron $P$, vector $a$, scalar $b$, prove that $Q:=\{x\in P:a^tx\leq b\}$ is a polyhedron. Also, can $Q=P$?

Prove that a convex polytope has finitely many extreme points.

Prove that the set of doubly stochastic $3 \times 3$ matrices is a polyhedron

$P:=\{x\in\mathbb{R}^n:Ax\ge b\}, S:=\{c^Tx:x\in P\}$, prove that $S$ is a convex set

Coloring the faces of a regular icosahedron with $2$ colors

Consider the set given by $\{(x, y, z) \in\Bbb R : |x| + |y| + |z| \le 1\}$. Show that it is a polyhedron.

Are all the Archimedean solids spherical/inscribed?

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