Characterizing topology on an Abelian semigroup by a functional equation
Kannappan, P.I. (1969)
Portugaliae mathematica
Similarity:
Kannappan, P.I. (1969)
Portugaliae mathematica
Similarity:
August Lau (1979)
Czechoslovak Mathematical Journal
Similarity:
Kazim, M.A., Naseeruddin, Md. (1977)
Portugaliae mathematica
Similarity:
Torben Maack Bisgaard (2002)
Czechoslovak Mathematical Journal
Similarity:
We characterize finitely generated abelian semigroups such that every completely positive definite function (a function all of whose shifts are positive definite) is an integral of nonnegative miltiplicative real-valued functions (called nonnegative characters).
John C. Lennox, A. Mohammadi Hassanabadi, James Wiegold (1991)
Rendiconti del Seminario Matematico della Università di Padova
Similarity:
Franz Kinzl (1989)
Semigroup forum
Similarity:
K. Keimel (1970)
Semigroup forum
Similarity: