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YouTube

Helly Graphs and Injective Metric Spaces - Part I

Centre de recherches mathématiques - CRM via YouTube

Overview

Explore Helly graphs and injective metric spaces in this 46-minute lecture from the Workshop on Cube Complexes and Combinatorial Geometry. Delve into basic definitions, elementary properties, and simple examples of these mathematical concepts. Focus on nonpositive features, including local properties, bicombings, and classification of isometries. Discover various rich constructions of such spaces, often associated with groups of geometric nature like hyperbolic groups, braid groups, mapping class groups, and higher rank lattices. Gain insights from Thomas Haettel's presentation, part of the Centre de recherches mathématiques (CRM) workshop series held in June 2023.

Syllabus

Thomas Haettel: Helly graphs and injective metric spaces I.

Taught by

Centre de recherches mathématiques - CRM

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