MATH
Login Or Sign up

List Question

15
147
Views

Is this 2-complex a $K(\pi,1)$?

Published on
#algebraic-topology #homotopy-theory
80
Views

Fundamental group of a circle with rational lines

Published on
#algebraic-topology #homotopy-theory
831
Views

Eilenberg-MacLane Spaces $K(G,n)$: Construction!

Published on
#algebraic-topology #homotopy-theory #eilenberg-maclane-spaces
489
Views

How to prove that the set of real $ n \times n $ PSD matrices of rank $\leq r < n $ and unit trace, is not contractible?

Published on
#general-topology #matrices #convex-analysis #homotopy-theory #positive-definite
172
Views

Why does sheaf $\pi_0$ of a simplicial presheaf determine maps to sheaves?

Published on
#homotopy-theory #sheaf-theory #simplicial-stuff
2.2k
Views

Universal covering group and fundamental group of $SO(n)$

Published on
#algebraic-topology #homotopy-theory #covering-spaces
3.8k
Views

How to show a straight line homotopy is continuous?

Published on
#general-topology #algebraic-topology #continuity #homotopy-theory
881
Views

Suspension: if $X$ is $(n-1)$-connected CW, is $SX$ $n$-connected?

Published on
#algebraic-topology #homotopy-theory
1.2k
Views

On the surjectivity of the Hurewicz homomorphism

Published on
#algebraic-topology #homology-cohomology #homotopy-theory
46
Views

Topology of a specific shape

Published on
#algebraic-topology #homotopy-theory #topological-groups
155
Views

Homotopy colimit,weighted colimit, homotopy theory

Published on
#category-theory #homotopy-theory #limits-colimits
456
Views

Fixed point property of spaces having same homotopy type

Published on
#homotopy-theory #fixed-point-theorems
113
Views

projective model structure on presheaves , hom-functors are always cofibrant

Published on
#category-theory #homotopy-theory #model-categories #enriched-category-theory
213
Views

Degeneracies of simplex $y$ which appears as any face of some simplex $x$

Published on
#homological-algebra #homotopy-theory #simplicial-stuff #simplex
1.3k
Views

Homotopy equivalent but not deformation retraction

Published on
#algebraic-topology #homotopy-theory

Trending Questions

Popular # Hahtags

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

Popular Questions

Copyright © 2021 JogjaFile Inc.