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COMBINATORICS
2007
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13 years 4 months ago
Matroid Automorphisms of the F4 Root System
Let F4 be the root system associated with the 24-cell, and let M(F4) be the simple linear dependence matroid corresponding to this root system. We determine the automorphism group...
Stephanie Fried, Aydin Gerek, Gary Gordon, Andrija...