MATH
Login Or Sign up

List Question

15
108
Views

What if $X$ is not path connected?

Published on
#algebraic-topology #homology-cohomology #homotopy-theory #fundamental-groups
102
Views

Computing the homotopy groups $\pi_n(\mathbb RP^2 \times \mathbb S^3).$

Published on
#algebraic-topology #homology-cohomology #homotopy-theory #group-cohomology #higher-homotopy-groups
85
Views

A definition for sheaves on stacks

Published on
#algebraic-topology #category-theory #homotopy-theory #topos-theory #stable-homotopy-theory
163
Views

Short exact sequence of homotopy groups

Published on
#general-topology #algebraic-topology #homotopy-theory
48
Views

Density Theorem via Weighted Colimits: Confusing Variance

Published on
#category-theory #homotopy-theory #yoneda-lemma
82
Views

A continuous map $\Bbb{S}^n \hookrightarrow \Bbb{S}^1$ is null-homotopic

Published on
#algebraic-topology #homotopy-theory
56
Views

Do the endpoints need to be fixed in order to define a homotopy?

Published on
#general-topology #algebraic-topology #homotopy-theory
69
Views

Two Technical Details from "Categories and Cohomology Theories".

Published on
#homotopy-theory #k-theory #spectra
72
Views

How to construct a simple homotopy between a Jordan curve and a circle inside it?

Published on
#complex-analysis #homotopy-theory
111
Views

Proof of the "Whitehead theorem for homology"

Published on
#homology-cohomology #homotopy-theory
109
Views

Can two paths with different end points be homotopic to each other?

Published on
#algebraic-topology #homotopy-theory #fundamental-groups
120
Views

A possible error in May's Concise Algebraic Topology (prespectra)

Published on
#algebraic-topology #homotopy-theory #stable-homotopy-theory #higher-homotopy-groups
92
Views

Deligne complex and sheaf of chain complex

Published on
#algebraic-topology #homology-cohomology #homotopy-theory #differential-forms #sheaf-cohomology
84
Views

Is every non-intersecting closed loop about the origin with winding number 1 ambient $\mathbb{R}^{2}$-isotopic to the unknot?

Published on
#homotopy-theory #knot-theory
121
Views

Why isn't the ∞-groupoidification of a category 1-truncated?

Published on
#category-theory #homotopy-theory #higher-category-theory

Trending Questions

Popular # Hahtags

second-order-logic numerical-methods puzzle logic probability number-theory winding-number real-analysis integration calculus complex-analysis sequences-and-series proof-writing set-theory functions homotopy-theory elementary-number-theory ordinary-differential-equations circles derivatives game-theory definite-integrals elementary-set-theory limits multivariable-calculus geometry algebraic-number-theory proof-verification partial-derivative algebra-precalculus

Popular Questions

Copyright © 2021 JogjaFile Inc.