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T&G: Anton Khoroshkin (HSE), Compactified moduli spaces of rational curves with marked points as homotopy quotients of operads | המחלקה לבדיקות

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T&G: Anton Khoroshkin (HSE), Compactified moduli spaces of rational curves with marked points as homotopy quotients of operads

תאריך: 
ג', 24/04/201813:00-14:30
מיקום: 
Room 63, Ross Building, Jerusalem, Israel
I will explain the notion of a homotopy quotient of an operad providing different examples of operads of compactified moduli spaces of genus zero curves with marked points: including the space of complex curves (math.arXiv:1206.3749), the real loci of the complex one (arXiv:math/0507514) and the noncommutative one (math.arxiv:1510.03261). As a conclusion I will suggest a description of the rational homotopy type of $\bar{M_{0,n}(R)$ and show that this manifold is not formal (work in progress with T.Willwacher).