The distribution of reduced rationals in the unit interval
November 14, 2022
1:00 pm 648 PGH
Abstract
The main part of this talk will aim to answer the question, what is
the expected value of the smallest denominator of a rational number in
a randomly chosen interval of fixed radius? Along the way, we will
provide a cautionary tale to explain classical results that
demonstrate how similar "easy" questions about the distribution of
reduced rationals end up being extremely difficult to solve. For the
adventurous, we will give an "easy" reformulation of the Riemann
hypothesis. For the sober-minded, we will also present several other
open problems.
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