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Events for September 16, 2020

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4:15 pm

Prof. Kiran Kedlaya

September 16 @ 4:15 pm - 5:15 pm

Title: Space vectors forming rational angles Abstract: We classify all possible configurations of vectors in three-dimensional space with the property that any two of the vectors form an angle whose measure is a rational multiple of π. As a corollary, we find all tetrahedra whose six dihedral angles are all rational multiples of π.While these […]

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