Turning non-smooth points into rational points
classification
🧮 math.AG
math.NT
keywords
boundnon-smoothpointpointsrationalauthorcharacteristiccurve
read the original abstract
In a recent paper, the author and St\"ohr established a bound on the number of iterated Frobenius pullbacks needed to transform a non-smooth purely inseparable point on a regular geometrically integral curve into a rational point. In this paper we improve this result, by establishing a new bound that is sharp in every characteristic $p>0$.
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