期刊： AEQUATIONES MATHEMATICAE, 2021; 95 (5)
Let X be a normed linear space. We prove that if the norm on X is almost transitive and if there exists a unit vector u satisfying that, for each poin......
期刊： AEQUATIONES MATHEMATICAE, ; ()
Let gamma(g)(G) be the game domination number of a graph G. It is proved that if diam(G) = 2, then gamma(g)(G) <= inverted right perpendicularn(G)/......
期刊： AEQUATIONES MATHEMATICAE, ; ()
Non-monotonicity height is an important index to describe the complexity of dynamics for piecewise monotone functions. Although it is used extensively......
期刊： AEQUATIONES MATHEMATICAE, ; ()
In this paper, we present several equivalent conditions related to the forward order law for the core inverse of two matrices, i.e., (AB)(circle times......
期刊： AEQUATIONES MATHEMATICAE, ; ()
This paper studies the conditional distributivity for T-uninorms over uninorms in the most general setting, transforming it into the (conditional) dis......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (5)
Let Gamma,Delta be nonempty index sets, and let H, K be inner product spaces. We prove that for p >= 1 any surjective phase-isometry between lp(Gam......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (2)
The aim of this work is to study the conditional distributivity given by the following functional equation: F(x, U(y, z)) = U(F(x, y), F(x, z)), x, y,......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (1)
We define a weighted extended g-Drazin inverse for Banach algebra elements, generalizing the concepts of extended g-Drazin inverse and weighted g-Draz......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (1)
The aim of this paper is twofold. Firstly, we study the non-existence of finite order meromorphic solutions to the Cubic type of Fermat functional equ......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (1)
The classical notion of zigzag or alternating permutations is extended by an additional parameter r so that we require the elements in the set {1, hor......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (2)
Motivated by nonautonomous difference equations, we study a functional equation with nonautonomous iteration of order n for bounded solutions and unbo......
期刊： AEQUATIONES MATHEMATICAE, 2020; 94 (2)
We present various new inequalities for cosine and sine sums. Among others, we prove that 0 = n similar to k=0 (a) 2k (2k)! cos((2k + 1)x) 2k + 1 (a. ......
期刊： AEQUATIONES MATHEMATICAE, 2019; 93 (1)
The paper deals with F-normed functions and sequence spaces. First, some general results on such spaces are presented. But most of the results in this......
期刊： AEQUATIONES MATHEMATICAE, 2019; 93 (1)
In this paper we study estimation, continuous dependence and Hyers-Ulam stability for continuous solutions of a second order iterative equation. First......
期刊： AEQUATIONES MATHEMATICAE, 2019; 93 (2)
In the first part of the paper we give a new integral representation for the principal branch of the Lambert W function. Then we deduce two continued ......
