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15
575
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Higher inductive type: what for?

Published on
#homotopy-theory #formal-proofs #type-theory #higher-category-theory #homotopy-type-theory
29
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Constructing a Universal Cover--Proving Injectivity

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#algebraic-topology #homotopy-theory #fundamental-groups
336
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Is there a quick way to distinguish between a wedge of spheres and a suspended projective space?

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#algebraic-topology #homology-cohomology #homotopy-theory
245
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Milnor construction and deloopings

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#algebraic-topology #homotopy-theory #classifying-spaces #groupoids
47
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Construction of a K(pi_1)- space?

Published on
#homotopy-theory
201
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Detecting $\eta^3$ in stunted projective spaces.

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#algebraic-topology #homotopy-theory #stable-homotopy-theory
69
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A question about the homotopy.

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#general-topology #algebraic-topology #homotopy-theory
894
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How to compute higher homotopy groups of spheres?

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#algebraic-topology #homology-cohomology #homotopy-theory
160
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Equivariant homotopy theory, topos theory and intuitionistic algebraic topology

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#algebraic-topology #homotopy-theory #topos-theory #intuitionistic-logic #equivariant-topology
331
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Fundemental group of $S^2$ with equator is identified $z \sim z^3$

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#algebraic-topology #homotopy-theory
71
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Real plane with two holes and circumference are not homotopy equivalent

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#algebraic-topology #homotopy-theory #fundamental-groups
82
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If matching maps of a cosimplicial space are fibrations up to degree $n$, does the $n$-th partial totalization have the 'correct' homotopy type?

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#algebraic-topology #homotopy-theory #simplicial-stuff #monoidal-categories
1.1k
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Why is this map $S^2\to S^1$ nullhomotopic?

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#general-topology #algebraic-topology #homotopy-theory #spheres
244
Views

2 out of 3 property of fibrations?

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#algebraic-topology #homotopy-theory #projective-space #fibration
387
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Homotopy equivalence between quotients by free actions

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#general-topology #algebraic-topology #homotopy-theory #covering-spaces #fundamental-groups

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