On the \(\psi\)-product of D. H. Lehmer. II (Q1102313)
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scientific article; zbMATH DE number 4049703
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On the \(\psi\)-product of D. H. Lehmer. II |
scientific article; zbMATH DE number 4049703 |
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On the \(\psi\)-product of D. H. Lehmer. II (English)
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1988
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[For part I, cf. ibid. 16, 994-1008 (1985; Zbl 0603.10003.] The author considers a class of rings of arithmetical functions with convolution-type product and shows that for any subset X of positive integers which contains 1 one can construct such a ring in which the characteristic function of X serves as the unit element.
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rings of arithmetical functions
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convolution-type product
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0.8993303775787354
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0.8698117136955261
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0.8613693714141846
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0.790850043296814
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