user avatar
user avatar
user avatar
Josh Lackman
  • Member for 8 years, 8 months
  • Last seen this week
6 votes

Smooth map homotopic to Lie group homomorphism

5 votes

How to compute the cohomology of a local system?

5 votes

Relation between de Rham cohomology group of Lie group as a manifold and group cohomology of Lie group

4 votes

How many isolated roots can a polynomial in $z$ and $\overline{z}$ have?

3 votes

Link between the hairy ball theorem and the fundamental theorem of algebra

3 votes

Reference request: Projective representations of a simply connected real semisimple Lie group lift to unitary representations

2 votes

Group cohomology of $\mathbf{R}^\ast$ acting on $\mathbf{R}$

2 votes

Why is generalised complex structure defined to be a reduction of structure group to $O(n,n) \cap Gl(n,\mathbb{C})$?

1 vote

Variational formulation of second order equations of the divergence form

1 vote

Generalize $H^1_{dR}(X)=\mathrm{Hom} (\pi_1(X),\mathbb R)$ to fundamental Groupoid

1 vote

Non-abelian Ext functor and non-abelian $H^2$

0 votes

Convergence series

0 votes

Models for computing cohomology of Lie groupoids

0 votes

Relation between sheaf and group cohomology