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A user's guide to the local arithmetic of hyperelliptic curves

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arxiv 2007.01749 v3 pith:T5HOX7WI submitted 2020-07-03 math.NT

A user's guide to the local arithmetic of hyperelliptic curves

classification math.NT
keywords arithmeticcurvesassociatedguidehyperellipticlocaluserabundance
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A new approach has been recently developed to study the arithmetic of hyperelliptic curves $y^2=f(x)$ over local fields of odd residue characteristic via combinatorial data associated to the roots of $f$. Since its introduction, numerous papers have used this machinery of "cluster pictures" to compute a plethora of arithmetic invariants associated to these curves. The purpose of this user's guide is to summarise and centralise all of these results in a self-contained fashion, complemented by an abundance of examples.

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