User Leonid Positselski - MathOverflow Meta

Leonid Positselski

Member for 15 years
Last seen more than 1 year ago

users.math.cas.cz/…
Prague, Czech Republic

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I am doing Homological Algebra, with occasional links to Representation Theory, Algebraic Geometry, Algebraic Number Theory, or Algebraic K-theory.

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65

What is Koszul duality?

63

Is "semisimple" a dense condition among Lie algebras?

60

Why does the Gamma-function complete the Riemann Zeta function?

41

Name for abelian category in which every short exact sequence splits

40

Are the inner automorphisms the only ones that extend to every overgroup?