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Sam Mayo

Publications and source records attributed to Sam Mayo.

2 recordsLinked to original sources

Borel Determinacy: A Streamlined Proof

First proved my Donald Martin in 1975, the result of Borel determinacy has been the subject of multiple revised proofs. Following Martin's book [1], we present a recent streamlined proof which implements ideas of Martin, Moschovakis, and Hurkens. We aim to give a concise presentation that makes this proof approachable to a wider audience.

math.LO

Automorphisms of the Supersingular Isogeny Graph

We provide a condition for which the supersingular $l$-isogeny graph in characteristic $p$ has only one nontrivial automorphism, given by the action of Frobenius. For a fixed $p$, our condition is known to hold for a density 1 set of primes $l$.

math.NT