Etale Cohomology vs Group Cohomology
59337
Relationship between Galois cohomology and etale cohomology.
120594
$\mathbb Z[i]/ \langle 1+2i \rangle \cong \mathbb Z_5$
27436
Does $G\cong G/H$ imply that $H$ is trivial?
145561
About the additive group and the multiplicative group of a field
90862
Top cohomology and irreducible components
79367
Understanding the difference between two theorems related to $|G\,:\,K|=|H\,:\,K|\cdot|G\,:\,H|$.
112577
$\hom (M, \coprod_i N_i) \cong \bigoplus_i \hom (M, N_i)$ in abelian categories when $M$ is simple?
33294
The correspondence theorem for groups
137512
cup product in cohomology ring of a suspension
20692
Homotopy groups of a wedge sum
55778
Group theoretic meaning of natural isomorphisms between certain functors
24191
Computing the cohomology group of CW-Complex
90616
When is mapping $g$ to $g^{-1}$ a group homomorphism?
25609
Multiplicity of G-module
92298
The additive group $\mathbb{G}_a$ over an infinite field $k$ is not a topological group
81550
Linking two theorems: on algebraic closure and on minimal splitting field
122559
Some questions on abelian category