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gualterio
  • Member for 4 years, 1 month
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14 votes
6 answers
2k views

Any shortcuts to understanding the properties of the Riemannian manifolds which are used in the books on algebraic topology

8 votes
2 answers
500 views

A very elementary question on the definition of sheaf on a site

7 votes
0 answers
245 views

A diagram in the proof of Theorem 2.5.5 of 'Cohomology of Number Fields' and the Tate Spectral Sequence

5 votes
0 answers
254 views

Modern reference for Andre Weil's 'Sur les courbes algébriques et les variétés qui s'en déduisent'

5 votes
1 answer
461 views

A question on the injectivity of a canonical map between galois cohomology groups

4 votes
1 answer
382 views

Elementary proof that a central simple algebra over a field having a maximal subfield is a cyclic algebra

4 votes
1 answer
433 views

I want to know the name of or any references for a matrix in the book "The representation theory of the symmetric groups" by Gordon James

4 votes
1 answer
193 views

What is the $p$-regular partition corresponding to the sign representation of $S_{n}$ over a field of characteristic $p$?

3 votes
2 answers
276 views

Is there any simple formula for the character of $S_{n}$ represented by the set of $k$-tuples of $\{1,2,...,n\}$?

3 votes
0 answers
93 views

Reference for the Netto's theorem on the permutation groups which was mentioned in the paper of Frobenius

3 votes
3 answers
703 views

Using Axiom of Replacement to construct the set of sets that are indexed by a set

3 votes
0 answers
76 views

Study of relative class number of 'non-abelian' CM field by using L-functions

3 votes
0 answers
228 views

The closed subgroup of the idele corresponding to the maximal elementary $p$-extension of a global field

3 votes
0 answers
150 views

I want a elaboration of the sketch of proof given in the Serre's Galois Cohomology on the existence of the dualizing module

3 votes
1 answer
155 views

English reference for the Brauer-Kuroda formula

3 votes
1 answer
187 views

How can we justify the use of Example 5,4 (of Cohen, Lenstra) assuming their heuristics

3 votes
0 answers
74 views

I have a question on the definition of 'good' primes in the paper of Cohen and Martinet

2 votes
0 answers
87 views

Is there any good reference on the Bayesian view that can be helpful for reading papers on the number theory using heuristic arguments?

2 votes
1 answer
518 views

Motivation to study the order theory (ring theory)

1 vote
0 answers
134 views

The Iwasawa $\lambda$-invariant of the cyclotomic $\mathbb{Z}_3$-extension of $\mathbb{Q}(\sqrt{-3})$

1 vote
1 answer
328 views

A question on a proof in the Ralph Greenberg's paper "On a Certain l-Adic Representation"

1 vote
1 answer
164 views

references on group representation over local fields / a question on an argument of a Ralph Greenberg's paper

1 vote
1 answer
135 views

Valuation theory on semisimple algebras used in the paper of Cohen-Martinet: reference request

1 vote
0 answers
60 views

The completion of a ray class field

1 vote
0 answers
83 views

Is there any English reference for the paper 'Darstellungstheorie von Schur-Algebren' written by Fredrich Roesler?

1 vote
0 answers
204 views

Is there any research on the action of a subgroup on the whole finite group by conjugation?

0 votes
0 answers
116 views

Request for a modern Reference for Frobenius' paper "Über die Charaktere der mehrfach transitiven Gruppen"

0 votes
0 answers
165 views

Is there a roadmap to learning representation theory of finite group over finite field?

0 votes
1 answer
213 views

If two monic polynomials of $\mathbb{Z}_p[X]$ (p-adic integer coefficient) are relatively prime modulo p, then do they generate $\mathbb{Z}_p[X]$?