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Flavius Aetius
  • Member for 10 years, 1 month
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8 votes
1 answer
1k views

Rank of a jet bundle of a vector bundle.

4 votes
4 answers
2k views

The curvature of a tensor product of vector bundles

4 votes
2 answers
204 views

Hochschild cohomology of a formal quantization of an associative algebra

4 votes
1 answer
96 views

Does every injective morphism of $\mathfrak{g}$-modules have a left inverse?

3 votes
1 answer
998 views

Holomorphic symplectic manifold

3 votes
0 answers
25 views

Hochschild (co)-homology of a formal quantization of an associative algebra [duplicate]

3 votes
1 answer
488 views

Resolution of the constant sheaf $\mathbb C$.

3 votes
1 answer
39 views

Linear sum of intersections of submodules

3 votes
2 answers
165 views

A short exact sequence of sheaves of vector spaces that always splits

3 votes
1 answer
41 views

Group algebra is a free module of finite rank over any group sub-algebra

3 votes
1 answer
108 views

The inverse map of the Poincare duality map

2 votes
1 answer
221 views

Ring of formal power series with values in a polynomial ring

2 votes
1 answer
87 views

Injectivity of the ring of formal power series over itself

2 votes
1 answer
62 views

What is the difference between $\mathbb C_X$-modules and sheaves of $\mathbb C$-vector spaces?

2 votes
1 answer
343 views

Hypercohomology of a direct image of a complex of sheaves

2 votes
0 answers
129 views

Compatible connection on the associated vector bundle

2 votes
1 answer
77 views

Does an isomorphism between extension of scalars implies an isomorphism of original modules

1 vote
0 answers
36 views

Is a scalar extension of an $(t)$-adically complete module complete?

1 vote
1 answer
69 views

When is the ring of functions of a quotient variety a smooth algebra?

1 vote
1 answer
63 views

Cartan's Lemma on a disjoint union of $g$-translates

1 vote
0 answers
27 views

Field of formal Laurent series as a colimit of fractions

1 vote
2 answers
856 views

Isomorphism of Associated Graded Algebras

1 vote
0 answers
32 views

Naive deformation quantisation of a symplectic manifold

1 vote
0 answers
54 views

A condition for the validity of an identity in the derived category of bounded complexes of modules.

1 vote
0 answers
29 views

Is the isotropy subset $X_H$ an open and dense subset of the fixed point set $X^H$?

1 vote
1 answer
219 views

Is the ring of formal power series $\mathbb K[[x_1, \dots, X_n]]$ in $n$ indeterminates over a field a PID?

1 vote
0 answers
155 views

Homotopy equivalence between a holomorphic vector bundle and the base space

1 vote
1 answer
58 views

Decomposition of the field of Laurent formal power series in a polynomial ring and a formal power series ring

1 vote
1 answer
73 views

Completion of a scalar extension in the metric topology

1 vote
0 answers
25 views

Difference between the injective object in the category of cochain complexes of modules and injective cochain complexes