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15
Math.TechQA.Club
2026-05-10 15:54:54
350
Views
What is the fundamental category?
Published on
10 May 2026 - 15:54
#reference-request
#algebraic-topology
#category-theory
#simplicial-stuff
#higher-category-theory
103
Views
Initial objects on $\infty$-categories
Published on
10 May 2026 - 15:53
#category-theory
#homotopy-theory
#simplicial-stuff
#higher-category-theory
274
Views
Does there exist a higher-dimensional 5-sided "tetrahedron + 1"?
Published on
09 Apr 2026 - 20:02
#general-topology
#polyhedra
#natural-numbers
#polytopes
#simplicial-stuff
204
Views
Using simplicial homology to compute topological spaces homeomorphic to the quotient spaces of polygons
Published on
17 Apr 2026 - 15:00
#algebraic-topology
#homology-cohomology
#simplicial-stuff
110
Views
Can nonisomorphic groupoids have homotopy equivalent classifying spaces?
Published on
10 May 2026 - 13:48
#algebraic-topology
#fundamental-groups
#simplicial-stuff
#groupoids
64
Views
Need help understanding comment in Higher Topos Theory
Published on
10 May 2026 - 15:54
#simplicial-stuff
#higher-category-theory
118
Views
Is this a 'relative' colimit or some other categorical construction?
Published on
15 Apr 2026 - 15:09
#algebraic-topology
#category-theory
#homotopy-theory
#simplicial-stuff
90
Views
Is there a natural homotopy inverse to the map $∣Sing(X)∣\rightarrow X$
Published on
12 Apr 2026 - 12:44
#algebraic-topology
#homotopy-theory
#simplicial-stuff
141
Views
Degeneracies for semi-simplicial sets
Published on
15 Apr 2026 - 19:18
#category-theory
#homotopy-theory
#simplicial-stuff
161
Views
Does Singular complex determine a topological space
Published on
11 Apr 2026 - 17:29
#general-topology
#algebraic-topology
#simplicial-stuff
177
Views
Simplicial set associated to a topological space
Published on
15 Apr 2026 - 13:28
#general-topology
#simplicial-stuff
70
Views
Mapping spaces for pro-objects in a simplicial model category
Published on
03 May 2026 - 5:24
#algebraic-topology
#category-theory
#homotopy-theory
#simplicial-stuff
#model-categories
236
Views
Explicit model of the $E_{n}$-operad in simplicial sets
Published on
25 Apr 2026 - 15:42
#algebraic-topology
#homotopy-theory
#geometric-topology
#simplicial-stuff
#operads
87
Views
Lemma for Hurewicz Theorem (Bredon)
Published on
11 Apr 2026 - 18:14
#algebraic-topology
#homology-cohomology
#simplex
#simplicial-stuff
146
Views
Realization of Simplicial Sets respects Product
Published on
16 Apr 2026 - 0:55
#general-topology
#simplicial-stuff
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