Jesko Hüttenhain's user avatar
Jesko Hüttenhain's user avatar
Jesko Hüttenhain's user avatar
Jesko Hüttenhain
  • Member for 13 years, 5 months
  • Last seen more than a month ago
16 votes
2 answers
8k views

Top Chern Class = Euler Characteristic

28 votes
5 answers
7k views

Higher dimensional version of the Hurwitz formula?

14 votes
1 answer
5k views

Transversal Intersection of Varieties

7 votes
3 answers
4k views

The notion of multiplicity in algebraic geometry

2 votes
2 answers
3k views

Quotient of an algebraic group by a closed algebraic subgroup

13 votes
2 answers
3k views

Finite, Étale Morphism Of Varieties

2 votes
0 answers
3k views

Adjunction Formula (on surfaces)

9 votes
2 answers
3k views

Proving that any two points on a variety can be joined by a curve; why does Bertini apply?

9 votes
1 answer
2k views

Euler Characteristic of a Variety

11 votes
2 answers
2k views

Representation theory of the general linear group over a finite prime field

9 votes
2 answers
2k views

Fibre cardinality of an unramified morphism

8 votes
1 answer
2k views

Strict Transform under Blow-Up along nonsingular Subvariety

7 votes
3 answers
2k views

Products of Ideal Sheaves and Union of irreducible Subvarieties

4 votes
2 answers
2k views

Ample divisors on blown-up projective space

8 votes
0 answers
2k views

Closure of an orbit under the action of an algebraic group

5 votes
2 answers
2k views

A basis of the symmetric power consisting of powers

8 votes
3 answers
2k views

Blow-up removes intersections?

18 votes
3 answers
2k views

What are "maps" between proper classes?

20 votes
3 answers
2k views

Is there a scheme parametrizing the closed subgroups of an algebraic group?

7 votes
1 answer
2k views

Is an ideal generated by multilinear, irreducible, homogeneous polynomials of different degrees always radical?

5 votes
3 answers
2k views

(Second) Chern class of projective space, blown up in a linear subvariety

2 votes
1 answer
1k views

When is the degree of the pull-back of a Weil divisor a constant multiple of its degree?

11 votes
0 answers
1k views

Degree of a Variety

4 votes
1 answer
1k views

How to compute the tangent space of a quotient by a finite group

9 votes
1 answer
1k views

Top chern class in positive characteristic

6 votes
1 answer
1k views

Ordinary n-uple Points and Resolution of Singularities on a Surface

4 votes
1 answer
1k views

Is every surjective, birational transformation of projective varieties automatically proper?

16 votes
1 answer
1k views

The Order of Approximation of a Rational Map

2 votes
1 answer
1k views

On the number of irreducible components of an exceptional divisor

4 votes
1 answer
993 views

Strict Transform of a Line Bundle?