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Seminar "Graph complexes in algebra and geometry"

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Speaker: Matija Bašić
Event date: Wednesday, 15 September 2021 11:00 am - 12:00 pm
Place: Webex meeting

Dendroidal sets - from basic results to applications

Abstract: We will recall the definition of dendroidal sets as a generalization of simplicial sets. We will discuss the combinatorial aspects and the three model structures (homotopy theories) making dendroidal sets a model for infinity-operads, infinite loop spaces and connective spectra, respectively. In the end, we will present a new result that multiposets model connective spectra, which is obtained by the introduction of the subdivision of dendroidal sets. Further applications in the theory of operads may be discussed depending on the interest of the audience.

Link: Webex link