Vol. 55, No. 1, 1974

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ISSN: 0030-8730
Multiplicativity-preserving arithmetic power series

David Francis Rearick

Vol. 55 (1974), No. 1, 277–283
Abstract

In the Dirichlet algebra of arithmetic functions let the operator A be represented by an arithmetic power series Af = Σa(F)fF. A condition on the coefficients a(F) is derived which is necessary and sufficient for Af to be multiplicative whenever f is multiplicative.

Mathematical Subject Classification
Primary: 10A20
Milestones
Received: 20 March 1973
Published: 1 November 1974
Authors
David Francis Rearick