Omar Antolín-Camarena

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Name	Omar Antolín-Camarena
Member for	3 years
Seen	17 hours ago
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Location	Cambridge, Massachusetts, USA
Age	32

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118

233

votes

4

answers

17k

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Polynomial bijection from QxQ to Q?

nt.number-theory open-problem

apr 29 at 16:31 unknown (yahoo) 1

47

107

votes

14

answers

5k

views

What elementary problems can you solve with schemes?

ag.algebraic-geometry schemes

apr 4 at 0:18 Daniel Miller 2,311●8●23

47

89

votes

2

answers

8k

views

What are the shapes of rational functions?

cv.complex-variables ds.dynamical-systems ag.algebraic-geometry gt.geometric-topology na.numerical-analysis

jan 14 at 17:19 Karl Luttinger 23●1

40

56

votes

6

answers

3k

views

Counterexamples in algebraic topology?

at.algebraic-topology examples

mar 29 at 2:19 Ricardo Andrade 2,382●1●9●18

13

50

votes

4

answers

3k

views

Rigidity of the category of schemes

ag.algebraic-geometry ct.category-theory

feb 23 12 at 10:29 Laurent Moret-Bailly 7,276●19●29

13

35

votes

4

answers

2k

views

Torsion in homology or fundamental group of subsets of Euclidean 3-space

homology at.algebraic-topology gn.general-topology gt.geometric-topology

nov 19 10 at 19:51 Sergey Melikhov 3,692●12●19

9

26

votes

1

answer

853

views

Every real function has a dense set on which its restriction is continuous

ca.analysis-and-odes gn.general-topology real-analysis

aug 13 11 at 0:13 Samuele 540●2●9

27

25

votes

7

answers

3k

views

What is DAG and what has it to do with the ideas of Voevodsky?

ag.algebraic-geometry at.algebraic-topology ct.category-theory soft-question

may 15 at 12:42 David White 4,858●1●20●27

13

24

votes

5

answers

2k

views

Topologists loops versus algebraists loops

at.algebraic-topology loop-spaces ind-varieties

nov 11 10 at 23:26 Tobias Hartnick 408●4●9

15

24

votes

6

answers

2k

views

Non-examples of model structures, that fail for subtle/surprising reasons?

ct.category-theory at.algebraic-topology model-categories homotopy-theory higher-category-theory

sep 11 at 19:53 Fernando Muro 5,141●1●9●15

12

23

votes

8

answers

974

views

Natural examples of sequences of adjoint functors

ct.category-theory

feb 29 12 at 2:20 Tom Leinster 13.5k●1●40●82

13

22

votes

2

answers

720

views

Is there an associative metric on the non-negative reals?

open-problem

feb 26 10 at 2:18 t3suji 2,717●1●8●13

23

21

votes

6

answers

3k

views

Algebraic stacks from scratch [closed]

ag.algebraic-geometry ac.commutative-algebra ct.category-theory reference-request

nov 14 10 at 0:03 David Roberts 11.7k●2●18●55

11

20

votes

4

answers

1k

views

Can all n-manifolds be obtained by gluing finitely many blocks?

gt.geometric-topology 3-manifolds smooth-manifolds four-manifolds

nov 11 10 at 21:29 Scott Morrison♦ 4,460●4●26●44

7

19

votes

1

answer

481

views

Category with a “metric” for arrow composition

ct.category-theory

may 6 at 10:58 Steven Landsburg 8,499●1●27●47