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In this paper, we investigate the uniqueness property of meromorphic functions together with its linear difference polynomial sharing two sets. Using the polynomial introduced in [FILOMAT 33(18)(2019), 6055-6072], we have improved the…

Complex Variables · Mathematics 2020-09-29 Goutam Haldar

We determine all pairs $(f,g)$ of meromorphic functions that share four pairs of values $(a_\nu,b_\nu)$, $1\le\nu\le 4$, and a fifth pair $(a_5,b_5)$ under some mild additional condition.

Complex Variables · Mathematics 2014-11-27 Norbert Steinmetz

A result is proved concerning meromorphic functions of finite order in the plane such that all but finitely many zeros of the second derivative are zeros of the first derivative.

Complex Variables · Mathematics 2013-06-20 J. K. Langley

A two-parameter characteristic of functions meromorphic on annuli is introduced and an extension of the Nevanlinna value distribution theory for such functions is proposed.

Complex Variables · Mathematics 2008-07-09 Andriy Kondratyuk

We consider transcendental meromorphic functions for which the zeros, 1-points and poles are distributed on three distinct rays. We show that such functions exist if and only if the rays are equally spaced. We also obtain a normal family…

Complex Variables · Mathematics 2022-03-08 Walter Bergweiler , Alexandre Eremenko

In this paper we present the definitions and some properties of several Samrandache Type Functions that are involved in many solved and unsolved problems and conjectures in number theory and recreational mathematics.

General Mathematics · Mathematics 2007-05-23 Sebastian Martin Ruiz , M. L. Perez

In this paper, we give a simple proof and strengthening of a uniqueness theorem of meromorphic functions which partially share 0, $\infty$ CM and 1 IM with their difference operators. Meanwhile, we partial solve a conjecture given by…

Complex Variables · Mathematics 2021-01-05 Feng Lü , Zhenliu Yang

We investigate the existence of non-trivial holomorphic and meromorphic solutions of Fermat functional equations over an open Riemann surface $S$. When $S$ is hyperbolic, we prove that any $k$-term Fermat functional equation always exists…

Complex Variables · Mathematics 2021-04-20 Xianjing Dong , Liangwen Liao , Kai Liu

This note describes some open problems that can be examined with the purpose of gaining additional insight of how to solve the problem of finding a general classification of geodetic graphs

Discrete Mathematics · Computer Science 2023-06-21 Carlos E. Frasser

In this paper, we discuss some problems of elementary plane differential geometry and kinematics. Although the results are not new, the consistent use of complex-valued functions (plane curves) of a real variable (parameter) allows to…

Differential Geometry · Mathematics 2024-07-08 Uwe Bäsel

We prove the meromorphy of solutions for a wide class of ordinary differential equations. These equations are given by invariant manifolds of non-linear partial differential equations integrable by the inverse scattering method. Some higher…

Exactly Solvable and Integrable Systems · Physics 2022-02-16 A. V. Domrin , M. A. Shumkin , B. I. Suleimanov

We briefly introduce several problems: (1) a generalization of the convex fair partition conjecture, (2) on non-trivial invariants among polyhedrons that can be formed from the same set of face polygons, (3) two questions on assembling…

Metric Geometry · Mathematics 2015-02-16 R. Nandakumar

The area of fractional calculus (FC) has been fast developing and is presently being applied in all scientific fields. Therefore, it is of key relevance to assess the present state of development and to foresee, if possible, the future…

Classical Analysis and ODEs · Mathematics 2022-02-15 Kai Diethelm , Virginia Kiryakova , Yuri Luchko , J. A. Tenreiro Machado , Vasily E. Tarasov

In this note, we introduce a new kind of pair of finite range sets in $\mathbb{C}$ for meromorphic functions corresponding to their uniqueness, i.e., how two meromorphic functions are uniquely determined by their two finite shared sets.

Complex Variables · Mathematics 2023-11-21 Amit Kumar Pal , Bikash Chakraborty , Sudip Saha

In a previous paper the authors elaborated notions and technique which could be applied to compute such invariants of polynomials as Euler characteristics of fibres and zeta-functions of monodromy transformations associated with a…

Algebraic Geometry · Mathematics 2007-05-23 S. M. Gusein-Zade , I. Luengo , A. Melle-Hernandez

In this note some philosophical thoughts and observations about mathematics are expressed, arranged as challenges to some common claims.

History and Overview · Mathematics 2016-01-27 Eliahu Levy

Some Open Problems Concerning Orthogonal Polynomials.

Classical Analysis and ODEs · Mathematics 2016-12-06 Gökalp Alpan , Alexander Goncharov

We survey recent progress on efficient algorithms for approximately diagonalizing a square complex matrix in the models of rational (variable precision) and finite (floating point) arithmetic. This question has been studied across several…

Symbolic Computation · Computer Science 2023-05-19 Nikhil Srivastava

The goal of this work is to characterize all second order difference operators of several variables that have discrete orthogonal polynomials as eigenfunctions. Under some mild assumptions, we give a complete solution of the problem.

Classical Analysis and ODEs · Mathematics 2012-04-25 Plamen Iliev , Yuan Xu

In this work, Miller Ross function with bicomplex arguments has been introduced. Various properties of this function including recurrence relations, integral representations and differential relations are established. Furthermore, the…

Complex Variables · Mathematics 2024-08-26 Snehasis Bera , Sourav Das , Abhijit Banerjee