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Documents  14D23 | enregistrements trouvés : 6

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- 537 p.
ISBN 978-4-86497-032-7

Advanced studies in pure mathematics , 0069

Localisation : Collection 1er étage

théorie des modules # géométrie algébrique

14-06 ; 11G50 ; 14C05 ; 14C22 ; 14C25 ; 14C30 ; 14D20 ; 14D21 ; 14D23 ; 14H10 ; 14H50 ; 14J10 ; 14J15 ; 14J26 ; 14J27 ; 14J28 ; 14J29 ; 14J50 ; 14J60 ; 14K10 ; 14K25 ; 14N35 ; 18E30 ; 32M15 ; 32N15

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- viii; 323 p.
ISBN 978-1-4704-1557-0

Contemporary mathematics , 0643

Localisation : Collection 1er étage

préfaisceau algébrique # topologie algébrique # géométrie algébrique # théorie des catégories # faisceau

14D23 ; 14D05 ; 18E30 ; 18D05 ; 18D10 ; 18G30 ; 55P43 ; 57R56 ; 55U40 ; 81T45 ; 14-06 ; 18-06 ; 14A20 ; 14F05 ; 14F10 ; 18F99 ; 16G20 ; 53D12 ; 00B25

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Research talks

I will discuss applications of geometric representation theory to topological and quantum invariants of character stacks. In particular, I will explain how generalized Springer correspondence for class $D$-modules and Koszul duality for Hecke categories encode surprising structure underlying the homology of character stacks of surfaces (joint work with David Ben-Zvi and David Nadler). I will then report on some work in progress with David Jordan and Pavel Safronov concerning a q-analogue of these ideas. The applications include an approach towards Witten’s conjecture on the fi dimensionality of skein modules, and methods for computing these dimensions in certain cases. I will discuss applications of geometric representation theory to topological and quantum invariants of character stacks. In particular, I will explain how generalized Springer correspondence for class $D$-modules and Koszul duality for Hecke categories encode surprising structure underlying the homology of character stacks of surfaces (joint work with David Ben-Zvi and David Nadler). I will then report on some work in progress with David Jordan ...

14F10 ; 14D23

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Research talks;Algebraic and Complex Geometry

After recalling classical Tannaka duality for finite groups, I will discuss an extension to equivariant algebraic geometry, and more generally to algebraic stacks. Surprisingly, this is related to formal glueings and Neron-Popescu desingularization.

14A20 ; 14D23

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Research talks;Algebraic and Complex Geometry

Following Grothendieck’s vision that a motive of an algebraic variety should capture many of its cohomological invariants, Voevodsky introduced a triangulated category of motives which partially realises this idea. After describing some of the properties of this category, I explain how to define the motive of certain algebraic stacks. I will then focus on defining and studying the motive of the moduli stack of vector bundles on a smooth projective curve and show that this motive can be described in terms of the motive of this curve and its symmetric powers. If there is time, I will give a conjectural formula for this motive, and explain how this follows from a conjecture on the intersection theory of certain Quot schemes. This is joint work with Simon Pepin Lehalleur. Following Grothendieck’s vision that a motive of an algebraic variety should capture many of its cohomological invariants, Voevodsky introduced a triangulated category of motives which partially realises this idea. After describing some of the properties of this category, I explain how to define the motive of certain algebraic stacks. I will then focus on defining and studying the motive of the moduli stack of vector bundles on a smooth ...

14A20 ; 14C25 ; 14C15 ; 14D23 ; 14F42 ; 14H60 ; 18E30 ; 19E15

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- xi; 298 p.
ISBN 978-1-4704-2798-6

American mathematical society colloquium publications , 0062

Localisation : Collection 1er étage

géométrie algébrique # espace algébrique # empilement algébrique # fibration # espace de modules fins # espace de modules grossiers

14D23 ; 14D20 ; 14D22

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