Chris Gerig's user avatar
Chris Gerig's user avatar
Chris Gerig's user avatar
Chris Gerig
  • Member for 13 years, 2 months
  • Last seen this week
4 votes

Interpretation of universal coefficients theorem for group cohomology

4 votes
Accepted

Construction of Serre Spectral Sequence

4 votes

how to understand coxeter groups geometrically

4 votes

Reference for Ring Structure on Group Cohomology

4 votes

Classes in $H^3(G; \mathbb{Z})$ that restrict to zero on abelian subgroups

4 votes
Accepted

Generalized geometry and spin structures

4 votes

Motivation of Virasoro algebra

4 votes

Finite dimensional "Mountain Pass Lemma"

4 votes
Accepted

Bubbling off of a pseudo holomorphic sphere on surface with cylindrical ends

4 votes
Accepted

Almost complex structures on cotangent bundles of almost complex manifolds

4 votes

ASD connection for Line bundle over $4$-manifold

4 votes
Accepted

Relation between $\mathbb{Z}\pi_1 (X)$-module $\pi_n (X)$ and $\mathbb{Z}$-module $H_n (X)$ or $\mathbb{Z}\pi_1 (X)$-module $H_n (\tilde{X})$

4 votes
Accepted

Tangent bundle of smooth closed simply-connected $4$-manifold $w_1 = w_2 = 0$ can be trivialized in complement of point?

4 votes

Group cohomology of the cyclic group

4 votes
Accepted

How to understand Taubes' moduli space of holomorphic curves?

4 votes

Index of Modified Dirac Operator

4 votes

Nontrivial finite group with trivial cohomology in prescribed degree

4 votes

Relation of SFT and Gromov-Witten theory

4 votes

What are some applications of virtual vector bundles?

4 votes
Accepted

Gromov-Witten invariants and the mod 2 spectral flow

3 votes
Accepted

Intuition about bubbling off a ghost bubble

3 votes

Understanding the functoriality of group homology

3 votes
Accepted

The homological negligibility of certain subsets in compact manifolds

3 votes

Example of ''annihilation'' of Seiberg-Witten Equation solutions

3 votes

"canonical" framing of 3-manifolds

3 votes

Group homology for a metacyclic group

3 votes
Accepted

"Neck cutting" and why gauge theory doesn't work on homotopy 4-spheres

3 votes
Accepted

A road map through group cohomology

3 votes

Differential refinement of homology

3 votes
Accepted

Cobordism monopole Floer homology