Duchamp Gérard H. E.'s user avatar
Duchamp Gérard H. E.'s user avatar
Duchamp Gérard H. E.'s user avatar
Duchamp Gérard H. E.
  • Member for 11 years, 8 months
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18 votes
1 answer
582 views

Bialgebras with Hopf restricted (or Sweedler) duals

13 votes
3 answers
1k views

About enveloping algebras of direct sums

10 votes
2 answers
651 views

Unconditionally convergent series in some functional spaces

10 votes
2 answers
1k views

Algebraic independence of exponentials

8 votes
1 answer
685 views

Topological fraction rings and fields

8 votes
1 answer
262 views

Structure of the module of derivations on the space of Holomorphic functions

6 votes
0 answers
332 views

Independence of characters with respect to polynomials

6 votes
1 answer
357 views

Is this closed subspace of Fréchet space complemented

6 votes
0 answers
221 views

Gelfand ring in Bourbaki's exercises

6 votes
0 answers
252 views

Usefulness of total algebras and exotic generating series

5 votes
0 answers
102 views

Tensor square of duals over a domain

5 votes
2 answers
190 views

Permutable (Lie) subgroups

4 votes
2 answers
501 views

Maximal cones and lexicographic orderings

4 votes
1 answer
494 views

Representation of Heisenberg-Weyl elements and their exponentials

4 votes
2 answers
378 views

Topologies for which $\mathcal{M}(X)\otimes \mathcal{M}(Y)$ is dense in $\mathcal{M}(X\times Y)$

4 votes
0 answers
122 views

Closed subgroup (Cartan) theorem without transversality nor Lipschitz condition within Banach algebras

4 votes
1 answer
356 views

Classes of finite resoluble groups which are (faithfully) representable by triangular matrices?

3 votes
2 answers
1k views

Local coordinates on (infinite dimensional) Lie groups, factorization of Riemann zeta functions

2 votes
0 answers
213 views

Separating duality for TVS?

2 votes
0 answers
56 views

Factorization of characters

1 vote
1 answer
2k views

Commutation of tensor products with inverse limits in a specific case

1 vote
1 answer
377 views

Necessary and sufficient condition for $can : A^X\otimes_A A^Y\rightarrow A^{X\times Y}$ to be an embedding

0 votes
1 answer
122 views

About indecomposability and nilpotence