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In this paper, we propose a procedure for constructing an infinite number of families of solutions of given linear differential equations with partial derivatives with constant coefficients. We use monogenic functions that are defined on…

Complex Variables · Mathematics 2018-11-28 Vitalii Shpakivskyi

We obtain some $L^2$ results for the Cauchy-Riemann operator on forms that vanish to high order near the singular set of a complex space.

Complex Variables · Mathematics 2007-05-23 John Erik Fornaess , Nils Ovrelid , Sophia Vassiliadou

We consider solutions of the Cauchy problem for semilinear equations with (possibly) different L\'evy operators. We provide various results on their convergence under the assumption that symbols of the involved operators converge to the…

Analysis of PDEs · Mathematics 2026-02-05 Andrzej Rozkosz , Leszek Słomiński

We prove some formulas relating Cauchy-Riemann operators defined on hypercomplex subspaces of an alternative *-algebra to a differential operator associated with the concept of slice-regularity and to the spherical Dirac operator. These…

Complex Variables · Mathematics 2022-07-22 Alessandro Perotti

In this paper we introduce a new concept of atoms on discrete sets to develop an advanced method to find a particular solution for higher-order non-homogeneous Cauchy-Euler equations. The proposed method provides also an approximate…

Analysis of PDEs · Mathematics 2026-04-14 Miloud assal , Skander Belhaj

Based on the Riemann-Liouville derivatives with respect to functions taking values in the set of hyperbolic numbers, we consider a novel bicomplex proportional fractional $(\vartheta,\varphi)-$weighted Cauchy-Riemann operator, involving…

Complex Variables · Mathematics 2023-08-31 José Oscar González-Cervantes , Juan Adrián Ramírez-Belman , Juan Bory-Reyes

We set-up and solve the Cauchy problem for Schr\"odinger-type differential operators with generalized functions as coefficients, in particular, allowing for distributional coefficients in the principal part. Equations involving such kind of…

Functional Analysis · Mathematics 2010-06-03 Günther Hörmann

Properties of the Cauchy-Riemann-Fueter equation for maps between quaternionic manifolds are studied. Spaces of solutions in case of maps from a K3-surface to the cotangent bundle of a complex projective space are computed. A relationship…

Differential Geometry · Mathematics 2008-05-30 Andriy Haydys

We study arbitrary order symmetry operators for the linear Schr\"odinger equations with arbitrary number of spatial variables. We deduce determining equations for coefficient functions of such operators and consider in detail some cases…

Mathematical Physics · Physics 2016-03-08 A. G. Nikitin

The $k$-Cauchy-Fueter operators and complexes are quaternionic counterparts of the Cauchy-Riemann operator and the Dolbeault complex in the theory of several complex variables. To develop the function theory of several quaternionic…

Complex Variables · Mathematics 2018-05-22 Wei Wang

In investigation of boundary-value problems for certain partial differential equations arising in applied mathematics, we often need to study the solution of system of partial differential equations satisfied by hypergeometric functions and…

Classical Analysis and ODEs · Mathematics 2018-03-09 Anvarjon Hasanov , Tuhtasin Ergashev

We describe partial differential operators for which we can construct generalised integral means satisfying Pizzetti-type formulas. Using these formulas we give a new characterisation of summability of formal power series solutions to some…

Analysis of PDEs · Mathematics 2016-08-18 Sławomir Michalik

In this paper we first define hypermonogenic solutions of the Dirac operator in Rp x Rq and study some basic properties, e.g., obtaining a Cauchy integral formula in the unit hemisphere. Hypermonogenic solutions form a natural function…

Analysis of PDEs · Mathematics 2017-09-19 Alí Guzmán Adán , Heikki Orelma , Franciscus Sommen

We systematically introduce the idea of applying differential operator method to find a particular solution of an ordinary nonhomogeneous linear differential equation with constant coefficients when the nonhomogeneous term is a polynomial…

General Mathematics · Mathematics 2018-02-27 Wenfeng Chen

We present some classes of functions that are defined on the quaternions as solutions for a linear operator that resembles the Cauchy-Riemann conditions. Unlike the Fueter regular functions; in this case the identity function is a solution…

Analysis of PDEs · Mathematics 2007-05-23 Daniel Alayon-Solarz

The correspondence between a high-order non symmetric difference operator with complex coefficients and the evolution of an operator defined by a Lax pair is established. The solution of the discrete dynamical system is studied, giving…

Classical Analysis and ODEs · Mathematics 2009-11-17 D. Barrios Rolanía A. Branquinho A. Foulquié Moreno

We introduce the concept of $\D$-operators associated to a sequence of polynomials $(p_n)_n$ and an algebra $\A$ of operators acting in the linear space of polynomials. In this paper, we show that this concept is a powerful tool to generate…

Classical Analysis and ODEs · Mathematics 2013-02-06 Antonio J. Durán

We develop the theory of integrable operators $\mathcal{K}$ acting on a domain of the complex plane with smooth boundary in analogy with the theory of integrable operators acting on contours of the complex plane. We show how the resolvent…

Mathematical Physics · Physics 2023-08-17 Marco Bertola , Tamara Grava , Giuseppe Orsatti

In this article we describe the novel method to construct fundamental solutions for operators with variable coefficients. That method was introduced in "A note on the fundamental solution for the Tricomi-type equation in the hyperbolic…

Analysis of PDEs · Mathematics 2010-09-17 Karen Yagdjian

The Cauchy problem for the von Neumann hierarchy of nonlinear equations is investigated. One describes the evolution of all possible states of quantum many-particle systems by the correlation operators. A solution of such nonlinear…

Mathematical Physics · Physics 2010-04-27 V. I. Gerasimenko , V. O. Shtyk