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Dori Bejleri

Boston, MA, USA

http://math.harvard.edu/~bejleri/

I'm interested in algebraic geometry, particularly the study of moduli spaces and connections with combinatorics, but I'm also interested in algebraic topology and mathematical physics.

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Top Questions
83 votes

How has modern algebraic geometry affected other areas of math?

ag.algebraic-geometry soft-question big-list asked Oct 5, 2011 at 3:17
mathoverflow.net

13 votes

Does the name divisor in algebraic geometry relate to divisor in the basic arithmetic or ring theory sense?

ag.algebraic-geometry asked Sep 3, 2011 at 8:53
mathoverflow.net

11 votes

Is the preimage of the closure the closure of the preimage under a quotient map?

gn.general-topology ag.algebraic-geometry algebraic-groups asked Sep 3, 2011 at 2:45
mathoverflow.net

8 votes

Why can you deform singularities in two dimensions but not in higher dimensions?

ag.algebraic-geometry deformation-theory singularity-theory algebraic-surfaces asked Jan 30, 2014 at 8:57
mathoverflow.net

8 votes

Etale local fibrations in the Grothendieck ring of varieties

ag.algebraic-geometry grothendieck-rings asked Mar 3, 2015 at 2:07
mathoverflow.net

8 votes

The closure of a locus in $\overline{\mathcal{M}}_{0,n}(\mathbb{P}^1, n)$

ag.algebraic-geometry gromov-witten-theory asked Feb 3, 2020 at 0:57
mathoverflow.net

8 votes

Fundamental group of a smoothing of a complex surface

ag.algebraic-geometry at.algebraic-topology complex-geometry algebraic-surfaces asked Dec 11, 2022 at 19:36
mathoverflow.net

6 votes

Are the closures of the tori in the decomposition of a torified variety toric varieties?

ag.algebraic-geometry f-1 arithmetic-geometry toric-varieties asked Aug 30, 2011 at 0:26
mathoverflow.net

6 votes

How to Interpret the Euler Characteristic of Complex Algebraic Varieties

ag.algebraic-geometry asked Sep 8, 2011 at 8:28
mathoverflow.net


Top Answers
29
Geometric intuition for linearizing algebraic group action
math.stackexchange.com

21
Use irreducible fibers to show $X$ is irreducible
math.stackexchange.com

16
Blackbox Theorems
mathoverflow.net

15
Why do Grothendieck topologies used in algebraic geometry typically involve finiteness conditions?
mathoverflow.net

14
A connected groupoid is equivalent to a groupoid with one object
math.stackexchange.com

12
Why degree of a reducible projective variety is the sum of the degree of its irreducible components
math.stackexchange.com

12
Relations between the fiber of a vector bundle and the stalk of the corresponding sheaf
math.stackexchange.com

11
Universal property of sheafification
math.stackexchange.com

11
Introduction to ring theory?
math.stackexchange.com

10
Irreducible fibers of a closed subset implies irreducibility
math.stackexchange.com

10
Hodge diamond of complete intersections
math.stackexchange.com

9
Białynicki-Birula theory for non-complete varieties
mathoverflow.net

9
In which cases does pullback commute with the Hom-sheaf?
math.stackexchange.com

9
ampleness of invertible sheaves
math.stackexchange.com

9
Undergraduate-level intro to homotopy
math.stackexchange.com

9
the fundamental group of a Riemann surface with n points removed
math.stackexchange.com

8
The fibre product of two quotient stacks
mathoverflow.net

8
What does the Chern-Schwartz-MacPherson class of a singular variety look like?
mathoverflow.net

8
Zeta function of algebraic variety over $\mathbb{F}_q$, formula for product of Witt vectors.
math.stackexchange.com

8
References to understand $K3$ surface as a double cover of $\mathbb{P}^2$ ramified along a sextic
math.stackexchange.com

8
Pullback commutes with dual for locally free sheaf of finite rank
math.stackexchange.com

8
Sheaf hom and the adjunction of push forward and inverse image
math.stackexchange.com

8
Example illustrating necessity of considering birational equivalence and not biholomorphic equivalence in MMP
mathoverflow.net

8
When does a smooth variety over $\mathbb{Q}_p$ have regular flat integral model?
mathoverflow.net

8
Are there online English proofs of preservation of properties of morphisms by fpqc descent?
math.stackexchange.com

7
Consequences of Properness in Algebraic Geometry
math.stackexchange.com

7
Exactness of the Tensor Functor
math.stackexchange.com

7
Multiplicity of irreducible component of a singular fiber of a $\mathbb{P}^1$-fibration
mathoverflow.net

7
Questions about root stacks
mathoverflow.net

7
Flatness of the Hitchin system?
mathoverflow.net

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