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Theodore Voronov - Thick morphisms and spinor representation

Dates:3 October 2019
Times:14:30 - 15:30
What is it:Seminar
Organiser:Department of Mathematics
Who is it for:University staff, External researchers, Current University students
Speaker:Theodore Voronov
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  • In category "Seminar"
  • In group "(Maths) Maths seminar series"
  • In group "(Maths) Geometry, topology and mathematical physics"
  • By Department of Mathematics

Theodore Voronov joins us for the Geometry, Topology and Mathematicals Physics Seminar.

Abstract:

Thick morphisms (also called microformal morphisms) between manifolds or supermanifolds are a generalization of smooth maps --- and which are not usual maps, but rather relation between the corresponding cotangents, equipped with some extra data. They were discovered for the purpose of constructing L-infinity morphisms of higher (homotopy) brackets, when manifolds in question have an S-infinity ("homotopy Schouten") or P-infinity ("homotopy Poisson") structure. The key feature of thick morphisms is that they induce NONLINEAR, in general, pullbacks on functions. (This nonlinearity is exactly the feature making them useful for homotopy brackets purposes.) It was also found that there is a "quantum version" of thick morphisms in the form of integral operators of special type. Such "quantum pullbacks" can be seen as a generalization of spinor representation, as it became clear recently. I will try to explain all that.

(Based on a joint work with H. Khudaverdian, see https://arxiv.org/abs/1909.00290.)

Speaker

Theodore Voronov

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Frank Adams Room 1
Alan Turing Building
Manchester

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Theodore Voronov

theodore.voronov@manchester.ac.uk

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