期刊： MATHEMATICAL REPORTS, 2020; 22 (2)
The aim of this paper is to consider a class of linear ultraparabolic equations with bounded and VMO coefficients a(ij)(z). We first establish higher ......
期刊： MATHEMATICAL REPORTS, 2020; 22 (1)
The harmonic index of a graph G is defined as H(G) = Sigma(uv is an element of E(G)) 2/d(u)+d(v), where E(G) is the edge set of G, d(u) and d(v) are t......
期刊： MATHEMATICAL REPORTS, 2020; 22 (3-4)
For a positive integer N, hypergeometric Cauchy numbers c(N,n) are defined by 1/F-2(1) (1, N; N + 1: - x) = (-1)(N-1)x(N)/N/log(1+x) - Sigma(N-1)(n=1)......
期刊： MATHEMATICAL REPORTS, 2020; 22 (3-4)
In this paper, we obtain the second main theorem for holomorphic curves on annuli crossing a finite set of moving hyperplanes in u-subgeneral position......
期刊： MATHEMATICAL REPORTS, 2020; 22 (3-4)
The main purpose of this paper is to continue our study of a certain mixed character sum and to prove a particular exact formula of a fourth power mea......
期刊： MATHEMATICAL REPORTS, 2019; 21 (1)
A ring R is almost unit-clean provided that every element in R is equivalent to the sum of an idempotent and a regular element. We prove that every ri......
期刊： MATHEMATICAL REPORTS, 2019; 21 (1)
The hyper Zagreb index is a kind of extensions of Zagreb indices, used for predicting physicochemical properties of organic compounds. Given a graph G......
期刊： MATHEMATICAL REPORTS, 2019; 21 (1)
Many kinds of convolution identities have been considered about several numbers, including Bernoulli, Euler, Genocchi, Cauchy, Stirling, and Fibonacci......
期刊： MATHEMATICAL REPORTS, 2018; 20 (2)
In this paper, we first investigate harmonic maps and harmonic morphisms between almost Kenmotsu manifolds and almost Hermitian manifolds, extending s......
期刊： MATHEMATICAL REPORTS, 2018; 20 (2)
Many authors studied bounds for reciprocal sums involving terms from Fibonacci and other related sequences. The purpose of this paper is to provide bo......
期刊： MATHEMATICAL REPORTS, 2018; 20 (2)
We investigate the value distribution of difference polynomials f(n) - Sigma(lambda is an element of I) a(lambda)(z) Pi(m)(v=1) f(z + c(v))(l lambda,v......
期刊： MATHEMATICAL REPORTS, 2018; 20 (1)
An element in a ring R is called uniquely weakly nil-clean if it can be uniquely written as the sum or difference of a nilpotent element and an idempo......
期刊： MATHEMATICAL REPORTS, 2018; 20 (1)
The main purpose of this paper is using the analytic methods and the properties of Gauss sums to study the computational problem of the number of the ......
期刊： MATHEMATICAL REPORTS, 2018; 20 (3)
This paper addresses continuous g-frames which are extensions of g-frames and continuous frames. Firstly, using operator methods we establish some new......
期刊： MATHEMATICAL REPORTS, 2017; 19 (1)
The main purpose of this paper is using the analytic methods and a relation between the two-term cubic expontial sums and general Kloosterman sums to ......
