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Your search keyword '"Harmonic functions -- Research"' showing total 2 results
Start Over Descriptor "Harmonic functions -- Research" Publisher neutrosophic sets and systems
2 results on '"Harmonic functions -- Research"'

1. On exponentially harmonic numbers

Author

Sandor, Jozsef

Subjects
Harmonic functions -- Research, Functions, Exponential -- Research, Numbers -- Research, High technology industry, Business, international, Law
Abstract

Abstract In this note there are introduced two new concepts of e-harmonic numbers, and a new concept of e-perfect number. Their initial study is provided. Keywords Exponential divisors, harmonic numbers, [...]

Published
2006

2. Inequalities for the polygamma functions with application (1)

Author

Chaoping, Chen

Subjects
Harmonic functions -- Research, Inequalities (Mathematics) -- Research, High technology industry, Business, international, Law
Abstract

Abstract We present some inequalities for the polygamma funtions. As an application, we give the upper and lower bounds for the expression [n.summation over (k=1)] 1/k - 1n n - [...]

Published
2005

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