Speaker: Gr egory Berhuy (Universit e de Grenoble) Title: Introduction

Speaker: Gr egory Berhuy (Universit e de Grenoble). Title: Introduction to essential dimension. Abstract: In this minicourse, we will introduce the concept of ...
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Speaker: Gregory Berhuy (Universite de Grenoble) Title: Introduction to essential dimension Abstract: In this minicourse, we will introduce the concept of essential

dimension of a functor, and study its basic properties. We will also give examples of computation in some simple cases. Along the way, we will brie y recall some notions on categories, galois cohomology and torsors.