Fernando Muro

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Name	Fernando Muro
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118

233

votes

4

answers

17k

views

Polynomial bijection from QxQ to Q?

nt.number-theory open-problem

apr 29 at 16:31 unknown (yahoo) 1

10

25

votes

1

answer

2k

views

Action of PGL(2) on Projective Space

gr.group-theory

jun 5 11 at 4:57 Lavender Honey 6,024●30●69

8

24

votes

0

answers

541

views

Computer calculations in A_infinity categories?

ct.category-theory ag.algebraic-geometry computer-science mathematical-software

jan 22 at 19:29 Kaveh 2,177●5●24

11

24

votes

2

answers

1k

views

Are spectra really the same as cohomology theories?

brown-representability stable-homotopy at.algebraic-topology

jan 1 at 7:37 Tom Goodwillie 26.6k●2●58●110

9

17

votes

0

answers

1k

views

Why do polytopes pop up in Lagrange inversion?

co.combinatorics at.algebraic-topology convex-polytopes feynman-integral ca.analysis-and-odes

aug 15 at 8:59 Tom Copeland 805●5●20

7

15

votes

0

answers

557

views

Pre-triangulated category that isn’t triangulated

ct.category-theory triangulated-categories reference-request

jul 14 10 at 14:17 Daniel Litt 8,179●2●25●49

7

15

votes

3

answers

905

views

The second homotopy group of a simple CW-complex

gt.geometric-topology at.algebraic-topology gr.group-theory geometric-group-theory cw-complexes

dec 16 11 at 1:51 Agol 23.9k●1●33●84

4

9

votes

1

answer

316

views

Results from Differential Cohomology

reference-request at.algebraic-topology differential-topology cohomology

feb 20 at 7:33 Mark Grant 9,061●1●13●33

6

8

votes

2

answers

379

views

Does a triangulated category that possesses a subcategory $B$ of generators with no extensions of non-zero degree between them have to be isomorphic to $K^b(B)$?

triangulated-categories homological-algebra

feb 6 11 at 19:35 Fernando Muro 5,140●1●9●15

5

8

votes

3

answers

493

views

Is the nc torus a quantum group?

quantum-groups noncommutative-geometry

dec 13 11 at 15:13 DamienC 3,576●15●23

5

8

votes

0

answers

252

views

Second homology group of free nilpotent p-group

gr.group-theory group-cohomology

mar 5 12 at 16:13 Tony 81●2

3

8

votes

1

answer

196

views

Generating the graded S_n-module associated to an operad

operads rt.representation-theory

jun 14 at 7:16 Vladimir Dotsenko 4,417●9●27

4

7

votes

2

answers

358

views

Is the tensorproduct of a triangulated category with a ring again triangulated?

triangulated-categories tensor-products ra.rings-and-algebras ct.category-theory

jun 2 10 at 4:30 David Ben-Zvi 12.6k●1●28●50

3

7

votes

1

answer

232

views

On the natural (bigraded) homotopy groups of a simplicial object in a model category

model-categories at.algebraic-topology homotopy-theory stable-homotopy

oct 22 at 18:21 Tyler Lawson 18.7k●2●44●90

2

7

votes

1

answer

291

views

Seeking errata for Berger-Moerdijk Axiomatic Homotopy Theory for Operads

at.algebraic-topology model-categories operads reference-request

may 6 at 10:22 Javier J. Gutiérrez 56●2