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Artur Jackson's user avatar
Artur Jackson's user avatar
Artur Jackson's user avatar
Artur Jackson
  • Member for 12 years, 8 months
  • Last seen more than 2 years ago
17 votes

Surprisingly short or elegant proofs using Lie theory

9 votes

What does it mean that $[X]+[Y]=0$ in the Grothendieck ring of varieties?

5 votes
Accepted

When is differential geometry on moduli spaces possible (and productive)?

5 votes

What is this analogy between manifolds and bundles (or schemes and locally free sheaves)?

4 votes

Parallel transport as algebra isomorphism

3 votes

tannakian description of vector bundles

3 votes

Homotopy theory of non-test categories?

2 votes
Accepted

A non vanishing vector field on $S^3$ with a periodic attractor

2 votes

Adding a structure

1 vote

Why it is difficult to define cohomology groups in Arakelov theory?

1 vote

An action or two of $SL_2(\Bbb Z)$?

1 vote

Isomorphism of connections on a complex line bundle

1 vote

What does the Tannakian formalism reconstruct when fed the category of chain complexes?

1 vote

Is a group scheme determined by its category of representations?

1 vote

Coherent sheaf restriction to closed subscheme is flat

1 vote

How to view $\textbf{Sh}(\textbf{CartSp})/X$ as "space" in its own right, étale machinery from abstract nonsense perspective for smooth manifolds

1 vote

When are free modules on sheaves of sets quasicoherent?

0 votes

Tangent space of a moduli space

0 votes

A full dim. subvector space of $\chi^{\infty}(M)$ which all non zero elements are nonvanishing vec.field

-1 votes

Does exist a "product formula" for arithmetic surfaces?