On the Stieltjes moment problem on semigroups |
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Authors: | Torben Maack Bisgaard |
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Affiliation: | (1) Nandrupsvej, 7 st. th., DK-2000 Frederiksberg C, Denmark |
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Abstract: | 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). |
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Keywords: | semigroup abelian commutative finitely generated positive definite completely positive definite character |
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