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{\Large המחלקה למתמטיקה, בן-גוריון}

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{\Huge Special lecture}\\[0.2\baselineskip]

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Speaker: \textbf{Anton Khoroshkin} (\emph{HSE, Moscow})

\subparagraph*{Little discs operad, graph complexes and applications}

The little cubes operad is one of the key objects of the deformation theory of\newline
the last decades. I will outline its geometric definition, some combinatorial \newline
models and different known results and applications.

The framed little cubes operad is much less studied and I will report on some \newline
recent results of related deformation theory, explain relationships with      \newline
Deligne-Mumford compactifications of stable curves of zero genus and use it to\newline
prove some conjectures stated for braid and cacti groups whose representations\newline
appear naturally as tensor products in tensor and coboundary categories       \newline
correspondingly.




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\textbf{Time}: \emph{ינו 16, 10:00—11:00, 2017}

\bigskip

\textbf{Location}: \emph{Math building (58), room -101, BGU}

\vspace*{2\baselineskip}

\bigskip

\textbf{Web}: \emph{https://www.math.bgu.ac.il/research/events/khoroshkin}


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