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Romeo
  • Member for 13 years, 7 months
  • Poland
46 votes
5 answers
3k views

‘Naturally occurring’ $K(\pi, n)$ spaces, for $n \geq 2$

37 votes
1 answer
2k views

Morava on Shafarevich conjecture

22 votes
1 answer
1k views

Little disks operad and $Gal (\bar {Q}/Q)$

22 votes
2 answers
1k views

Graphs, K-theory and combinatorial balls: conjectures

17 votes
1 answer
805 views

Loop spaces and infinite braids

15 votes
2 answers
2k views

Status of Quillen's conjecture on elementary abelian p-groups

14 votes
2 answers
2k views

The space of framed functions

13 votes
2 answers
2k views

Surface bundles over a surface

12 votes
4 answers
813 views

$S^n \to S^m \to B$ bundle: possible?

9 votes
2 answers
1k views

Restrictions of diffeomorphisms

8 votes
1 answer
410 views

A sphere bundle map

8 votes
2 answers
572 views

Infinite loop space maps into or out of BAut(F_n)

7 votes
2 answers
525 views

Residually finite + torsion free + finite index = finite complex?

7 votes
1 answer
354 views

Aspherical homotopy orbit space of configurations on the 2-sphere

5 votes
1 answer
793 views

Exotic spheres detected in higher homotopy

4 votes
3 answers
342 views

Cohomological dimension of a group acting on a cellular complex

4 votes
3 answers
220 views

Homology of bundles over a triangulated base and $A_\infty$-algebras

3 votes
1 answer
865 views

$A_{\infty}$ structure of (co)homology of a space

3 votes
1 answer
709 views

Automorphisms of the rooted tree operad

1 vote
1 answer
336 views

Does Thom's J-equivalence imply Whitehead's simple homotopy?

1 vote
2 answers
796 views

What are operad automorphisms?