Abstract:In this paper we collect two generalizations of harmonic numbers (namely generalized harmonic numbers and hyperharmonic numbers) under one roof. Recursion relations, closed-form evaluations, and generating functions of this unified extension are obtained. In light of this notion we evaluate some particular values of Euler sums in terms of odd zeta values. We also consider the noninteger property and some arithmetical aspects of this unified extension.
“…n := 1/n, (n ≥ 1) and h (r) 0 := 0, (r ≥ 0). Hyperharmonic numbers are closely related to analytic number theory (see [2,5,11,13,19]), discrete mathematics and combinatorial analysis (see [3,8,10,12]).…”
In this study, depending on the upper and the lower indices of the
hyperharmonic number h(r), nonlinear recurrence relations are obtained. It is
shown that generalized harmonic numbers and hyperharmonic numbers can be
obtained from derivatives of the binomial coefficients. Taking into account
of difference and derivative operators, several identities of the harmonic
and hyperharmonic numbers are given. Negative-ordered hyperharmonic numbers
are defined and their alternative representations are given.
“…n := 1/n, (n ≥ 1) and h (r) 0 := 0, (r ≥ 0). Hyperharmonic numbers are closely related to analytic number theory (see [2,5,11,13,19]), discrete mathematics and combinatorial analysis (see [3,8,10,12]).…”
In this study, depending on the upper and the lower indices of the
hyperharmonic number h(r), nonlinear recurrence relations are obtained. It is
shown that generalized harmonic numbers and hyperharmonic numbers can be
obtained from derivatives of the binomial coefficients. Taking into account
of difference and derivative operators, several identities of the harmonic
and hyperharmonic numbers are given. Negative-ordered hyperharmonic numbers
are defined and their alternative representations are given.
In this paper, we give explicit asymptotic formulas for some sums over primes involving generalized alternating hyperharmonic numbers of types I, II and III. Analogous results for numbers with $k$-prime factors will also be considered.
“…Let Z, N, N 0 and C denote the set of integers, positive integers, nonnegative integers and complex numbers, respectively. In the present paper, we mainly study the so-called generalized hyperharmonic numbers [11,15,19] which are defined as…”
In this paper, we mainly show that generalized hyperharmonic number sums with reciprocal binomial coefficients can be expressed in terms of classical (alternating) Euler sums, zeta values and generalized (alternating) harmonic numbers.
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