Arend Bayer's user avatar
Arend Bayer's user avatar
Arend Bayer's user avatar
Arend Bayer
  • Member for 13 years, 8 months
  • Last seen more than a month ago
126 votes

Theorems that are 'obvious' but hard to prove

62 votes

Facts from algebraic geometry that are useful to non-algebraic geometers

33 votes

The topological analog of flatness?

33 votes

Algebraic geometry examples

32 votes

Jokes in the sense of Littlewood: examples?

21 votes
Accepted

got any tricks to build up t-structures on derived categories?

19 votes

What should be learned in a first serious schemes course?

14 votes

Examples in mirror symmetry that can be understood.

13 votes

Elementary+Short+Useful

13 votes
Accepted

What is the geometry behind psi classes in Gromov-Witten theory?

13 votes

Derived categories of coherent sheaves: suggested references?

11 votes
Accepted

Fullness of pullback functor in algebraic geometry

11 votes

How to select a journal?

9 votes

Not especially famous, long-open problems which anyone can understand

9 votes

Top specialized journals

9 votes

Higher-dimensional Gromov-Witten theories

8 votes

More upper/lower semi-continuous functions in (algebraic) geometry?

8 votes

What is a good introductory text for moduli theory?

7 votes

Training towards research on birational geometry/minimal model program

7 votes

ubiquitous quantum cohomology

6 votes
Accepted

Mirror symmetry for elliptic curves

5 votes

Conditions for the contractibility of subvarieties

5 votes
Accepted

Equality of chern classes and isomorphism

5 votes

Generalized notions of solutions in various areas of mathematics

4 votes

Morphisms of Frobenius manifolds: Definitions and examples?

4 votes

Twisted curves, admissible covers, and an algebraic analogue of a specific monodromy computation

4 votes

Are the arithmetic genera of Cohen-Macaulay curves in a fixed homology class bounded?

4 votes
Accepted

Moduli of extensions of modules

4 votes

Semisimple quantum cohomology

4 votes
Accepted

Does the semi-stable set determine the linearization of a GIT quotient?