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Lattices and Cohomology of Arithmetic Groups: Geometric and Computational Viewpoints

3rd October 2021   -   8th October 2021
Banff, Alberta, Canada
https://www.birs.ca/events/2021/5-day-workshops/21w5205
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Abstract

The focus of this meeting is the connections between lattices and number theory and geometry. Number theory, one of the oldest branches of pure mathematics, is devoted to the study properties of the integers and more sophisticated number systems. Lattices and number theory have many deep connections. For instance using number theory it was recently demonstrated that certain packings of balls in high dimensions are optimally efficient. Lattices also appear naturally when one studies certain spaces that play an important role in number theory; one of the main focuses of this meeting is to investigate computational and theoretical methods to understand such spaces and to expand the frontier of our algorithmic knowledge in working with them.