Mikhail Bondarko's user avatar
Mikhail Bondarko's user avatar
Mikhail Bondarko's user avatar
Mikhail Bondarko
  • Member for 14 years, 4 months
  • Last seen this week
6 votes
0 answers
230 views

Nice references for injective model structures and Quillen functors between motivic homotopy categories

6 votes
1 answer
601 views

On various "extension closures" and "orthogonals" in triangulated categories

6 votes
1 answer
226 views

Left orthogonals to compact objects in triangulated categories: existence and "control"?

6 votes
1 answer
835 views

Does there exist a definition of equivalence of functors?

6 votes
2 answers
2k views

On two spectral sequences for the cohomology of a double complex

6 votes
4 answers
627 views

(Co)homological characterization of homotopy pullbacks

6 votes
0 answers
435 views

Do there exist weak Lefschetz-type statements that were proved for varieties over complex numbers, but were not proved in finite characteristic?

6 votes
0 answers
221 views

If $X,Y$ are regular and of finite type over $S$, can $X\times _S Y$ be embedded into a regular $S$-scheme?

6 votes
1 answer
532 views

Exceptional collections of objects in topological triangulated categories?

6 votes
0 answers
241 views

Are Tate twists of t-positive motives positive with respect to the Voevodsky's homotopy t-structure?

6 votes
1 answer
782 views

More on universal homeomorphisms

6 votes
1 answer
632 views

An example of an affine variety with non-zero Chow groups

6 votes
3 answers
650 views

Can one extend a morphism of commutative triangles to a morphism of octahedral diagrams?

6 votes
0 answers
371 views

Generalized Hodge conjecture for cohomology of smooth non-proper varieties?

6 votes
0 answers
461 views

Is singular cohomology representable by a (Voevodsky's) motivic complex?

6 votes
0 answers
303 views

Does one need l to be invertible in S in order to consider the l-adic cohomology of S-schemes and motives?

5 votes
0 answers
211 views

Which pure categories related with Weil cohomology theories are semi-simple?

5 votes
1 answer
644 views

A silly question: is the number of points on a Jacobian (of a curve, over a finite field) known?

5 votes
1 answer
438 views

On $\gamma$-graded pieces of the localization sequence for G-theory (i.e. for K'-theory)

5 votes
1 answer
1k views

Model of a scheme regular over the generic point

5 votes
1 answer
679 views

For a morphism f from a regular scheme, should there exist an open subscheme U of the target such that fibre of f at each point of U is regular

5 votes
0 answers
720 views

Do all the main properties of constructible and perverse sheaves (in an 'arithmetic' situation) follow from results of Gabber?

5 votes
2 answers
701 views

On triangulated categories of pro-objects

5 votes
0 answers
333 views

Do 'change of coefficients' functors for sheaves commute with the four functors (formalism)?

5 votes
1 answer
2k views

The Gysin long exact sequence for the complement of the zero section of a line bundle over a (possibly) singular base

5 votes
1 answer
2k views

A Kunneth formula for the etale cohomology of the product of ('simple') varieties over not (necessarily) algebraically closed field

5 votes
1 answer
519 views

Functoriality properties of the perverse $t$-structure for torsion (constructible complexes of) sheaves

5 votes
0 answers
175 views

Can a Chow motif be isomorphic to its own direct summand?

5 votes
1 answer
275 views

Which abelian categories possess an exact faithful functor into abelian groups that respects products?

5 votes
0 answers
167 views

Which t-structure extend from subcategories of compact objects uniquely?

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