62

Questions

votes newest views recent

1

12

votes

3

answers

463

views

Conjuring phantoms by hand?

at.algebraic-topology phantoms

sep 26 at 6:04 Oscar Randal-Williams 5,155●1●12●26

9

20

votes

4

answers

822

views

Algorithmically unsolvable problems in topology

at.algebraic-topology computability-theory computer-science smooth-manifolds

feb 12 at 17:20 Omar Antolín-Camarena 1,487●7●15

3

votes

0

answers

171

views

Extending intersection bundles

ag.algebraic-geometry grassmannians vector-bundles

dec 11 11 at 18:10 algori 16k●1●29●94

1

6

votes

1

answer

387

views

Embedded (framed) cobordisms

gt.geometric-topology at.algebraic-topology cobordism homotopy-theory

oct 28 11 at 11:22 André Henriques 14.9k●2●30●83

6

votes

1

answer

286

views

Number of the Reidemeister moves needed to transform one diagram into another one

knot-theory gt.geometric-topology

oct 11 11 at 16:39 Agol 23.9k●1●33●85

2

3

votes

2

answers

177

views

A model structure on the category of “dualizing maps”

at.algebraic-topology model-categories homological-algebra

oct 4 11 at 12:45 Agusti Roig 965●5●10

2

5

votes

1

answer

365

views

Approximating high-dimensional integrals by low-dimensional ones

ca.analysis-and-odes fa.functional-analysis na.numerical-analysis

sep 14 11 at 21:32 Noam D. Elkies 18.1k●4●63●91

4

6

votes

1

answer

580

views

Constructible sheaves and dg-modules

gt.geometric-topology constructible-sheaves dg-algebras at.algebraic-topology homological-algebra

feb 22 at 13:49 algori 16k●1●29●94

4

votes

2

answers

419

views

Local freeness of direct images

ag.algebraic-geometry coherent-sheaves

aug 2 11 at 18:09 Karl Schwede 11.5k●1●14●35

3

10

votes

1

answer

282

views

Euler characteristic and generating series

at.algebraic-topology

jun 11 11 at 12:16 Theo Johnson-Freyd 22.3k●2●28●111