Question

What does it mean that if the cover of $k$-fold intersections is not contractible it takes the form of a spectral sequence of cohomology?

score 189 · Answer 1 · 2026-05-10 12:55:08

189

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What does it mean that if the cover of $k$-fold intersections is not contractible it takes the form of a spectral sequence of cohomology?

Published on 10 May 2026 - 12:55

score 52 · Answer 2 · 2026-03-25 06:13:13

52

Views

How do we compute homology from the Čech complex $\text{Čech}(r)$ with $B^{\infty}$ balls covering the Hilbert manifold $M$?

Published on 25 Mar 2026 - 6:13

score 402 · Answer 3 · 2026-04-09 22:18:45

402

Views

What is a degenerate Convex hull?

Published on 09 Apr 2026 - 22:18

score 52 · Answer 4 · 2026-04-11 21:59:42

52

Views

Higher ($>1$) order Voronoi diagrams in higher ($ > 2$) dimensional spaces

Published on 11 Apr 2026 - 21:59

score 78 · Answer 5 · 2026-04-13 20:56:19

78

Views

Exclusive disjunction of rectilinear polygons

Published on 13 Apr 2026 - 20:56

score 560 · Answer 6 · 2026-05-10 16:56:47

560

Views

Volume and barycentric coordinates of $k$-simplex in $\Bbb{R}^{n}$

Published on 10 May 2026 - 16:56

score 61 · Answer 7 · 2026-04-11 18:27:43

61

Views

Constrain to express points form a convex polygon

Published on 11 Apr 2026 - 18:27

score 166 · Answer 8 · 2026-04-16 04:57:35

166

Views

Where to place 10 guards in a 17-walled art gallery such that removal of any one leaves the gallery unprotected?

Published on 16 Apr 2026 - 4:57

score 20 · Answer 9 · 2026-04-15 12:33:26

20

Views

The derivative of the normal direction passing by a point according to a translation of the point

Published on 15 Apr 2026 - 12:33

score 261 · Answer 10 · 2026-04-13 16:15:54

261

Views

Conformal energy and first fundamental form

Published on 13 Apr 2026 - 16:15

score 90 · Answer 11 · 2026-04-24 03:01:09

90

Views

Up to 6 points spaced $r$ apart can fit on a rectangle of dimensions $(r,2r)$

Published on 24 Apr 2026 - 3:01

score 128 · Answer 12 · 2026-05-10 16:08:17

128

Views

Algorithm for Union of Polychora (4D Polytopes)

Published on 10 May 2026 - 16:08

score 106 · Answer 13 · 2026-05-10 14:07:26

106

Views

Blindly removing inessential diagonals from a triangulation can lead to a bad convex partitioning

Published on 10 May 2026 - 14:07

score 79 · Answer 14 · 2026-04-13 20:28:02

79

Views

Convex quadrilateral from many points

Published on 13 Apr 2026 - 20:28

score 415 · Answer 15 · 2026-04-06 06:00:54

415

Views

Dihedral angles of a $k$-simplex

Published on 06 Apr 2026 - 6:00

List Question

What does it mean that if the cover of $k$-fold intersections is not contractible it takes the form of a spectral sequence of cohomology?

How do we compute homology from the Čech complex $\text{Čech}(r)$ with $B^{\infty}$ balls covering the Hilbert manifold $M$?

What is a degenerate Convex hull?

Higher ($>1$) order Voronoi diagrams in higher ($ > 2$) dimensional spaces

Exclusive disjunction of rectilinear polygons

Volume and barycentric coordinates of $k$-simplex in $\Bbb{R}^{n}$

Constrain to express points form a convex polygon

Where to place 10 guards in a 17-walled art gallery such that removal of any one leaves the gallery unprotected?

The derivative of the normal direction passing by a point according to a translation of the point

Conformal energy and first fundamental form

Up to 6 points spaced $r$ apart can fit on a rectangle of dimensions $(r,2r)$

Algorithm for Union of Polychora (4D Polytopes)

Blindly removing inessential diagonals from a triangulation can lead to a bad convex partitioning

Convex quadrilateral from many points

Dihedral angles of a $k$-simplex

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