2 papers
math.NT2026
An explicit Galois descent for multiple -values of maximal height
Steven Charlton, Michael E. Hoffman, Nobuo Sato
We give an explicit formula for the Galois descent expressing multiple -values of maximal height in terms of classical multiple zeta values, making precise Murakami's earlier mo…
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…