Valda Seminar: Julien Grange

6 December 2019, 10:30-11:30 ENS, S16 Order-invariant first-order logic over hollow trees. Order-invariant first-order logic is the extension of first-order logic in which the usage of an additional ordering relation on the structure’s universe is allowed, provided that the evaluation of sentences is independent of the choice of a particular…

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Valda Seminar: Yoan Russac

8 November 2019, 10:30-11:30 ENS, S16 Weighted Linear Bandits for Non-stationary environments. We consider a stochastic linear bandit model in which the available actions correspond to arbitrary context vectors whose associated rewards follow a non-stationary linear regression model. In this setting, the unknown regression parameter is allowed to vary in…

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Course: Leonid Libkin

***A modern theory of database query languages.*** * September 30,  October 4, 7, 11, 14, 18 and 25, 2019. * 10:30-12:00 * Room 3052 of the Sophie Germain Building, Université Paris-Diderot (1, place Auréie Nemours, 75013 Paris).  https://www.sciencesmaths-paris.fr/en/leonid-libkin-2019-1008.htm

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