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Title: A complex hyperbolic reflection group and the bimonster
Speaker: Dr. Tathagatha Basak, IPMU, Japan
Date: 21 August 2009
Time: 11:00 a.m.
Venue: Lecture Hall - I, Dept. of Mathematics

Let R be the reflection group of the complex leech lattice plus a hyperbolic cell. Let D be the incidence graph of the projective plane over the finite field with 3 elements. Let A(D) be the Artin group of D: generators of A(D) correspond to vertices of D. Two generators braid if there is an edge between them, otherwise they commute.

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Last updated: 14 Jul 2024