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15
Math.TechQA.Club
2026-04-13 12:00:06
99
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cohomology monomorphism between grassmannians and product of projective spaces
Published on
13 Apr 2026 - 12:00
#differential-geometry
#ring-theory
#algebraic-topology
#homotopy-theory
#homology-cohomology
837
Views
Homology and Homotopy in the Plane
Published on
16 Apr 2026 - 4:06
#algebraic-topology
#homotopy-theory
#homology-cohomology
84
Views
Explicit expression for the topological invariant of O(n)
Published on
13 Apr 2026 - 14:40
#algebraic-topology
#homotopy-theory
#fundamental-groups
204
Views
Combining homotopies
Published on
10 Apr 2026 - 14:52
#general-topology
#algebraic-topology
#homotopy-theory
495
Views
Mobius strip homotopically equivalent to filled out torus
Published on
14 Apr 2026 - 8:26
#general-topology
#homotopy-theory
1.6k
Views
homology of suspension
Published on
09 Apr 2026 - 1:24
#algebraic-topology
#homology-cohomology
#homotopy-theory
279
Views
Does every elliptic cohomology theory represent a complex-orientable $E_\infty$-ring spectra and vice-versa?
Published on
11 Apr 2026 - 19:06
#homology-cohomology
#homotopy-theory
#vector-bundles
#spectral-sequences
#sheaf-cohomology
200
Views
cohomology homomorphism between grassmannians induced by inclusion
Published on
25 Mar 2026 - 23:51
#algebraic-topology
#differential-topology
#homology-cohomology
#homotopy-theory
#characteristic-classes
60
Views
How to search the set of papers whose references contain a given preprint?
Published on
13 Apr 2026 - 14:25
#group-theory
#reference-request
#homotopy-theory
2.8k
Views
What is the best path to learn Category theory and Type theory?
Published on
15 Apr 2026 - 5:03
#category-theory
#homotopy-theory
#type-theory
649
Views
Reference Request: Thom Spectrum of a virtual vector bundle
Published on
26 Mar 2026 - 14:16
#algebraic-topology
#homotopy-theory
#vector-bundles
#stable-homotopy-theory
133
Views
If $X$ and $Y$ are homotopic and $X$ is contractible, so is $Y$
Published on
15 Apr 2026 - 23:25
#general-topology
#homotopy-theory
984
Views
Converse to the Eilenberg-Steenrod theorem?
Published on
14 Apr 2026 - 17:26
#algebraic-topology
#homotopy-theory
268
Views
Geometric Homotopy as Chain Homotopy
Published on
14 Apr 2026 - 1:43
#algebraic-topology
#category-theory
#homotopy-theory
273
Views
what is a path that cover all of $S^n$?
Published on
13 Apr 2026 - 11:57
#algebraic-topology
#homotopy-theory
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