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KotelKanim
  • Member for 9 years, 1 month
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19 votes
1 answer
2k views

When does the free loop space fibration split?

18 votes
1 answer
835 views

Steenrod squares as power operations vs. as cohomomology operations

16 votes
2 answers
2k views

Formal group law is a group object in ...?

14 votes
2 answers
1k views

Counterexamples for strengthening Whitehead's theorem?

12 votes
1 answer
789 views

Is an ordinary scheme in Borger's Absolute Geometry the same as a "scheme over 𝔽₁" with a map to Spec(ℤ)?

11 votes
1 answer
317 views

real and complex vector spaces as topological categories

11 votes
2 answers
792 views

Constructing a "geometric" model structure on Cat by localizing the "categorical" model structure

11 votes
2 answers
967 views

What are the reflective subcategories of the category of presentable categories?

10 votes
2 answers
351 views

Multiplicative structures on truncated Moore spectra

9 votes
2 answers
426 views

One colored infinity operads via symmetric sequences?

8 votes
0 answers
297 views

When does p-profinite completion commutes with maps from a $p$-finite space?

8 votes
1 answer
420 views

Parametrized Dold-Kan correspondence?

8 votes
3 answers
1k views

Homological vs. cohomological dimension of a group/space

8 votes
2 answers
799 views

Must a finitely generated projective module over a group ring with vanishing coinvariants be trivial?

8 votes
1 answer
310 views

Are (complete) 2-Segal spaces the same as Span-enriched infinity categories?

7 votes
1 answer
192 views

Characterizing freely adjoining K-filtered colimits as K-continuous presheaves

6 votes
0 answers
450 views

A definition of the homotopy colimit of a coherent diagram

6 votes
2 answers
380 views

"Joyal type" model structure for (n,1)-categories?

5 votes
0 answers
148 views

Counting square zero forms over finite fields

5 votes
1 answer
363 views

Does the right adjoint of the category of simplices functor is "homotopicaly inverse" to the category of simplices functor?

0 votes
0 answers
49 views

Criterion for projectively cofibrant diagrams? [duplicate]