Room 440, Astronomy-Mathematics Building, NTU + Zoom, Physical+Online Seminar
(實體+線上演講 台灣大學天文數學館440室 + Zoom)
Deformation of α_p-actions to Z/pZ-actions on Surfaces
Kentaro Mitsui (Kobe University)
Abstract
We study αp-actions and Z/pZ-actions on surfaces and their quotient singularities in positive characteristic p. We can connect some singularities such as non-taut rational double points via deformation of these actions. We also try to classify additive derivations, which correspond to αp-actions. This is joint work with Hiroyuki Ito and Nobuo Sato.
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