2 papers
math.AG2026
Geometric characterization of -exceptional monomial GAPN functions
Masamichi Kuroda, Kentaro Mitsui
On finite fields of characteristic , PN (perfect nonlinear) functions for odd and APN (almost perfect nonlinear) functions for even are well-known classes of highly nonl…
math.AG2024
A criterion for -closedness of derivations in dimension two
Kentaro Mitsui, Nobuo Sato
Jacobson developed a counterpart of Galois theory for purely inseparable field extensions in positive characteristic. In his theory, a certain type of derivations replace the role…