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Dori Bejleri

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12 Questions

Votes Activity Newest Views

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19k

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How has modern algebraic geometry affected other areas of math?

Oct 1 at 7:58 gmvh 2,373

votes

answer

views

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

ag.algebraic-geometry

Sep 4 '11 at 11:57 Community♦ 1

votes

answers

views

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

gn.general-topology ag.algebraic-geometry algebraic-groups

Aug 22 '16 at 1:28 Andreas Blass 66.2k

votes

answers

252

views

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

ag.algebraic-geometry gromov-witten-theory

Feb 5 '20 at 15:10 Dori Bejleri 1,544

votes

answer

619

views

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

ag.algebraic-geometry deformation-theory singularity-theory algebraic-surfaces

Jan 31 '14 at 9:43 Francesco Polizzi 57.7k

votes

answers

615

views

Etale local fibrations in the Grothendieck ring of varieties

ag.algebraic-geometry grothendieck-rings

Sep 29 '17 at 12:44 Evgeny Shinder 1,733

votes

answers

411

views

Can any group be realized as the multiplicative group of a ring? [duplicate]

abstract-algebra gr.group-theory ra.rings-and-algebras

Oct 19 '11 at 0:07 Community♦ 1

votes

answers

490

views

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

ag.algebraic-geometry f-1 arithmetic-geometry toric-varieties

Oct 17 '11 at 10:42 javier 2,753

votes

answers

views

How to Interpret the Euler Characteristic of Complex Algebraic Varieties

ag.algebraic-geometry

Sep 9 '11 at 18:03 Gjergji Zaimi 79k

votes

answer

237

views

When do adjunctions preserve equivalence?

ct.category-theory ag.algebraic-geometry sheaf-theory

Nov 4 '11 at 12:20 Alex 1,526

votes

answers

353

views

Morphism lifting to the closure

ag.algebraic-geometry

Sep 4 '11 at 0:37 Community♦ 1

votes

answer

820

views

Infinite p-groups with no normal subgroups.

gr.group-theory

May 11 '12 at 11:49 Community♦ 1

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12 Questions

How has modern algebraic geometry affected other areas of math?

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

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

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

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

Etale local fibrations in the Grothendieck ring of varieties

Can any group be realized as the multiplicative group of a ring? [duplicate]

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

How to Interpret the Euler Characteristic of Complex Algebraic Varieties

When do adjunctions preserve equivalence?

Morphism lifting to the closure

Infinite p-groups with no normal subgroups.