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math.QA2021★ 2 cited
Partial Hopf-Galois theory
Felipe Castro, Daiane Freitas, Antonio Paques +2
We develop a partial Hopf-Galois theory for partial H-module algebras and we recover analogs of classical results for Hopf algebras.
math.NT2021
Properties of the Digital Root and its Extension to Rational Numbers -- an Algebraic Approach
Lucas T. Cardoso, Glauber Quadros
This paper contains an algebraic constructive and self-contained account of the invariance rule of the digital root under division for an arbitrary natural basis representation. Bo…