topological recursion from an algebraic perspective
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Topological recursion from an algebraic perspective Gatan Borot HU - PowerPoint PPT Presentation

Algebraic and combinatorial perspectives in mathematical sciences May Angeli Topological recursion from an algebraic perspective Gatan Borot HU Berlin Oct. 2, 2020 I. Bottom-up : how 2d topology arises from algebra II. Two examples : 2d


  1. Algebraic and combinatorial perspectives in mathematical sciences May Angeli Topological recursion from an algebraic perspective Gaëtan Borot HU Berlin Oct. 2, 2020

  2. I. Bottom-up : how 2d topology arises from algebra II. Two examples : 2d TQFT and Virasoro constraints III. Topological expansions in hermitian matrix models IV. Top-down: from geometric to topological recursion

  3. I How 2d topology arises from algebra

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How 2d topology arises from algebra — Airy structures Let be a vector space over V C Choose a basis of linear coordinates ( x i ) i ∈ I The Weyl algebra is the graded algebra of differential operators on V W ~ deg x i = deg ~ ∂ x i = 1 deg ~ = 2 V = C [ ~ ] h x i , ~ ∂ x i i 2 I i An Airy structure is a linear map such that L : V → W ~ V deg 1 condition : L i = ~ ∂ x i + O (2) ideal condition : [ L ( V ) , L ( V )] ⊂ ~ W ~ V · L ( V )

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