58

Answers
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26
Occurrences of (co)homology in other disciplines and/or nature
11
Why does bosonic string theory require 26 spacetime dimensions?
11
How many proofs that $\pi_n(S^n)=\mathbb{Z}$ are there?
9
Non-vanishing of group cohomology in sufficiently high degree
8
Embedding groups into groups with some vanishing homology groups
8
Which of Quillen’s Papers Should I read?
7
Automorphisms of non-abelian groups of order p^3
7
Mathematician trying to learn string theory
6
Introduction to Floer Theory?
6
Reference request: Equivariant Topology
6
Why should I care about Heegaard-Floer theory?
5
Meaning/Origin of Seiberg-Witten Equations/Invariants
5
The Chern-Simons/Wess-Zumino-Witten correspondence
4
Computation of homotopy groups of spheres via Pontryagin-Thom
4
Mathematics of quasicrystals
4
Construction of Serre Spectral Sequence
4
Kuenneth-formula for group cohomology with nontrivial action on the coefficient
4
how to understand coxeter groups geometrically
3
transfer kernels and the Schur multiplier
3
What is to Quantize something?
3
The antipodal action on a connected one dimensional manifold
3
Topological examples of profinite groups
3
Interpretation of universal coefficients theorem for group cohomology
3
Examples of Tate cohomology rings
3
Is there a mathematical explanation for the Aharonov-Casher effect?
3
Explicit computation of Gromov-WItten invariants
3
Computing the cardinality of cohomology groups
2
Finite dimensional “Mountain Pass Lemma”
2
Motivation of Virasoro algebra
2
Applications of Hodge-de Rham Laplacian on p-forms ($p\neq 0,n$) in physics or engineering
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