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Bridges between affine buildings and symmetric spaces
Speaker: Raphael Appenzeller

Buildings and symmetric spaces both serve as spaces on which algebraic groups act. We will give an overview of both theories and point out some connections. We will take a closer look at a way to construct a non-discrete affine building starting from a model of a symmetric space of non-compact type, suggested by Kramer and Tent in 2003. The construction relies on non-Archimedean real closed fields and uses tools from Lie groups and real algebraic geometry to model theory.

Date : Thu, May 16

Time: 14:15

Place: SR 8