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Arcs as an effective model

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If you have a question about this talk, please contact Mustapha Amrani .

Grothendieck-Teichmller Groups, Deformation and Operads

The arc operad and its variations have proven itself in many instances to be a very clean minimal and explicit tool; for instance in giving models for the little discs, framed little discs, E_n operads, Sullivan PROP , etc on the topological level by basically the same formalism on surface. Furthermore, these models have a very nice cellular structure and hence are naturally suited to solve chain level conjectures. We will present some of these constructions and draw parallels to other activities at the program.

This talk is part of the Isaac Newton Institute Seminar Series series.

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English Faculty Room GR06/07 Sanger Seminar Room, MRC LMB Rooms SG1 & SG2, Alison Richard Building, 7 West Road, Cambridge, CB3 9DT

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