NOTE ON A CONGRUENCE FOR THE FERMAT QUOTIENT WITH BASE 2
2019 年 73 巻 1 号 p. 115-121
詳細
2019 年 73 巻 1 号 p. 115-121
A classical congruence of Eisenstein and Lerch for the Fermat quotient with base 2 is generalized by Skula and Dobson. We give an alternative proof for the general congruence using a ‘Fermat quotient' associated to a unit of an abelian number field.
