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

oct 18 10 at 20:22 Mikhail Bondarko 5,876●1●4●21

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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.

aug 25 10 at 14:37 David Speyer 55.1k●3●102●236

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

sep 17 10 at 10:29 Matthias Künzer 493●4●7

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

mar 11 11 at 17:55 Mikhail Bondarko 5,876●1●4●21

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

jul 26 11 at 23:17 Mikhail Bondarko 5,876●1●4●21

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The vanishing of non-connective K-theory in negative degrees

sep 1 11 at 20:49 Denis-Charles Cisinski 4,908●11●20

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

sep 23 11 at 15:55 Alex 1,324●6●6

 
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Is the pre-image of a regular subscheme with respect to a universal homeomorphism of regular schemes regular?

mar 20 11 at 21:39 Karl Schwede 11.4k●1●14●35

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If one wants to work with $Q_l$-adic sheaves, should the scheme be of finite type over a 1-dimensional one?

feb 4 11 at 17:45 Alex 1,324●6●6

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The conjectural relation between mixed motivic sheaves and the perverse t-structure.

dec 18 10 at 19:47 Mikhail Bondarko 5,876●1●4●21

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