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קולוקוויום

New Functional Polarity Inequalities

יוני 11, 14:30—15:30, 2019, Math -101

מרצה

Dan Florentin (Kent State University)

תקציר

Several functional analogs of fundamental geometric inequalities have appeared in recent decades, beginning with the works of Prekopa and Leindler in the 1970‘s. In this talk I will, after discussing the method of functionalization of geometry, present new functional extensions of the Brunn Minkowski inequality and their consequences.

AGNT

Localizations of the category of A_{\infty}-categories and Internal Homs (Part II).

יוני 12, 15:10—16:25, 2019, -101

מרצה

Mattia Ornaghi (HUJI)

תקציר

In this second talk we prove that the localizations of the categories of dg categories, of cohomologically unital and strictly unital A_\inftycategories with respect to the corresponding classes of quasi-equivalences are all equivalent. As an application, we give a complete proof of a claim by Kontsevich stating that the category of internal Homs for two dg categories can be described as the category of strictly unital A_\inftyfunctors between them. This is a joint work with Prof. A. Canonaco and Prof. P. Stellari arXiv:1811.07830.


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