202

Answers

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9

Top chern class in positive characteristic

4

What is the universal enveloping algebra?

6

Line bundles with integrable connection on abelian varieties

2

Reflexive modules over a 2-dimensional regular local ring

6

structure of the variety of normal matrices

6

Why do the definition of deck transformations requires homeomorphism

4

Chern numbers of primitve classes in BU

4

regular singularities and logarithmic singularities

8

Brauer group of complete DVR

4

Brauer group of a field of power series in two variables.

11

Uniqueness of splitting field for linear representations of finite groups

2

Fields obtained by adjoining x coordinates of torsion points on elliptic curves

5

Invariant differential forms on commutative group schemes are closed!?

3

I was wondering if the set of singular loops is a (somewhere) submanifold of loop space?

4

Is the composition of two bundle projections necessarily a bundle projection?

3

The Jacobson radical of an infinite dimensional algebra

9

every involution of an Enriques surface is

7

$Sq^1$ cohomology of spaces

7

Canonical liftings of endomorphisms of ordinary abelian varieties

6

Connected extensions of finite by connected algebraic groups

5

composition of covering map and bundle projection

14

Central extensions of group schemes

2

Coderivations of S(V) correspond to linear maps S(V) -> V. Only over characteristic 0?

12

Obstructions to formally integrating vector fields in characteristic p?

21

Simplest example of jumping of cohomology of structure sheaf in smooth families? (2)

7

Presentation of the dual of a locally free sheaf

3

Have people successfully worked with the full ring of diferential operators in characteristic p?

4

The number of orbits of a permutation action

8

Characterization of locally free modules via exterior powers

33

From Zeta Functions to Curves