Question

If $g$ is a simplicial map of a finite simplicial complex $X$, then the diagonal of the matrix of $g_*:H_n(X^n,X^{n-1})\to (X^n,X^{n-1})$ is zero

score 57 · Answer 1 · 2026-04-16 11:49:09

57

Views

If $g$ is a simplicial map of a finite simplicial complex $X$, then the diagonal of the matrix of $g_*:H_n(X^n,X^{n-1})\to (X^n,X^{n-1})$ is zero

Published on 16 Apr 2026 - 11:49

score 227 · Answer 2 · 2026-04-15 10:48:28

227

Views

Every simplicial map is cellular.

Published on 15 Apr 2026 - 10:48

score 539 · Answer 3 · 2026-04-15 23:07:19

539

Views

Simplicial map of the circle $S^1$

Published on 15 Apr 2026 - 23:07

score 140 · Answer 4 · 2026-05-11 03:17:41

140

Views

Examples of generalized homology spheres which are not triangulations of spheres

Published on 11 May 2026 - 3:17

score 237 · Answer 5 · 2026-05-10 14:30:43

237

Views

Persistent homology has to be free, right?

Published on 10 May 2026 - 14:30

score 350 · Answer 6 · 2026-04-11 09:17:05

350

Views

if $H_1(X)$ has torsion in finite simplicial complex complex $X$ then a particular embedding into $R^3$ does not exist

Published on 11 Apr 2026 - 9:17

score 103 · Answer 7 · 2026-04-12 20:46:13

103

Views

Subcomplexes of a Closed Combinatorial Surface

Published on 12 Apr 2026 - 20:46

score 95 · Answer 8 · 2026-04-14 04:54:55

95

Views

Computing the homology of two simplicial subcomplexes of $K$

Published on 14 Apr 2026 - 4:54

score 322 · Answer 9 · 2026-05-10 18:41:39

322

Views

Simplicial complexes embedded on a compact manifold

Published on 10 May 2026 - 18:41

score 139 · Answer 10 · 2026-05-10 19:40:54

139

Views

Tutte–Grothendieck invariants and Tutte polynomial. Is this property even used in the proof?

Published on 10 May 2026 - 19:40

score 133 · Answer 11 · 2026-05-07 14:11:14

133

Views

On the geometric realization of a finite abstract simplicial complex which is connected, orientable $3$-manifold without boundary

Published on 07 May 2026 - 14:11

score 147 · Answer 12 · 2026-04-10 16:58:47

147

Views

$\Delta$-complex structure of $S^1$

Published on 10 Apr 2026 - 16:58

score 266 · Answer 13 · 2026-04-13 16:47:15

266

Views

Example of non-contractible acyclic finite simplical complex

Published on 13 Apr 2026 - 16:47

score 105 · Answer 14 · 2026-04-14 15:34:50

105

Views

What does the basis of $H^{\Delta}_1(T)$ look like? where $T$ is the Torus.

Published on 14 Apr 2026 - 15:34

score 325 · Answer 15 · 2026-04-13 17:25:16

325

Views

Prove that the star of a point is an open subset of underlying space of a simplicial complex

Published on 13 Apr 2026 - 17:25

List Question

If $g$ is a simplicial map of a finite simplicial complex $X$, then the diagonal of the matrix of $g_*:H_n(X^n,X^{n-1})\to (X^n,X^{n-1})$ is zero

Every simplicial map is cellular.

Simplicial map of the circle $S^1$

Examples of generalized homology spheres which are not triangulations of spheres

Persistent homology has to be free, right?

if $H_1(X)$ has torsion in finite simplicial complex complex $X$ then a particular embedding into $R^3$ does not exist

Subcomplexes of a Closed Combinatorial Surface

Computing the homology of two simplicial subcomplexes of $K$

Simplicial complexes embedded on a compact manifold

Tutte–Grothendieck invariants and Tutte polynomial. Is this property even used in the proof?

On the geometric realization of a finite abstract simplicial complex which is connected, orientable $3$-manifold without boundary

$\Delta$-complex structure of $S^1$

Example of non-contractible acyclic finite simplical complex

What does the basis of $H^{\Delta}_1(T)$ look like? where $T$ is the Torus.

Prove that the star of a point is an open subset of underlying space of a simplicial complex

Trending Questions

Popular # Hahtags

Popular Questions