scholarly journals Inequalities for the arithmetical functions of Euler and Dedekind

2020 ◽  
Vol 70 (3) ◽  
pp. 781-791 ◽  
Author(s):  
Horst Alzer ◽  
Man Kam Kwong
Author(s):  
Wolfgang Schwarz ◽  
Jürgen Spilker

1999 ◽  
Vol 6 (4) ◽  
pp. 299-306
Author(s):  
D. Bhattacharjee

Abstract In this paper we consider several constructions which from a given 𝐵-product *𝐵 lead to another one . We shall be interested in finding what algebraic properties of the ring 𝑅𝐵 = 〈𝐶ℕ, +, *𝐵〉 are shared also by the ring . In particular, for some constructions the rings 𝑅𝐵 and will be isomorphic and therefore have the same algebraic properties.


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