Counting arithmetic lattices in the plane

02/21/2017 - 12:15pm
02/21/2017 - 1:10pm
Lenny Fukshansky (CMC)

Arithmetic lattices in the plane correspond to integral binary quadratic forms and to elliptic curves with some nice properties. We are interested in counting these lattices up to a natural equivalence relation called similarity. To this end, we introduce a natural counting function on the similarity classes of planar arithmetic lattices, and study its rate of growth. This leads to some curious observations about the distribution of such lattices. Joint work with Pavel Guerzhoy and Florian Luca.

Millikan 2099, Pomona College

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