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It is well-known that any solution of the Laplace equation is a real or imaginary part of a complex holomorphic function. In this paper, in some sense, we extend this property into four order hyperbolic and elliptic type PDEs. To be more…

Analysis of PDEs · Mathematics 2019-07-23 A. Pogorui , T. Kolomiiets , R. M. Rodriguez-Dagnino

This article addresses linear hyperbolic partial differential equations with non-smooth coefficients and distributional data. Solutions are studied in the framework of Colombeau algebras of generalized functions. Its aim is to prove upper…

Analysis of PDEs · Mathematics 2015-07-31 Hideo Deguchi , Michael Oberguggenberger

The motivation that the field of differential equations provide to several researchers for the challenges that have been challenging them over the decades has contributed to the strengthening of the area within mathematics. In this sense,…

Classical Analysis and ODEs · Mathematics 2019-01-01 J. Vanterler da C. Sousa , D. F. Gomes , E. Capelas de Oliveira

In this note, we analyze frequently hypercyclic solutions of abstract higher-order differential equations in separable infinite-dimensional complex Banach spaces. We essentially apply results from the theory of $C$-regularized semigroups,…

Functional Analysis · Mathematics 2018-09-10 Belkacem Chaouchi , Marko Kostic

A recent development in the theory of fractional differential equations with variable coefficients has been a method for obtaining an exact solution in the form of an infinite series involving nested fractional integral operators. This…

Classical Analysis and ODEs · Mathematics 2021-05-04 Arran Fernandez , Joel E. Restrepo , Durvudkhan Suragan

Linear differential equations with variable coefficients and Prabhakar-type operators featuring Mittag-Leffler kernels are solved. In each case, the unique solution is constructed explicitly as a convergent infinite series involving…

Classical Analysis and ODEs · Mathematics 2022-05-27 Arran Fernandez , Joel E. Restrepo , Durvudkhan Suragan

In this work, we give the power series solutions around an ordinary point, in the case of variable coefficients, homogeneous sequential linear conformable fractional differential equations of order 2\alpha. Further, we introduce the…

Classical Analysis and ODEs · Mathematics 2016-02-16 Emrah Ünal , Ahmet Gökdoğan , Ercan Çelik

In the present paper, we devise a version of topological $L^2$-Serre duality for singular complex spaces with arbitrary singularities. This duality is used to deduce various new $L^2$-vanishing theorems for the $\bar{\partial}$-equation on…

Complex Variables · Mathematics 2016-03-28 Jean Ruppenthal

We investigate some classical evolution model in the discrete 2+1 space-time. A map, giving an one-step time evolution, may be derived as the compatibility condition for some systems of linear equations for a set of auxiliary linear…

solv-int · Physics 2015-06-26 Sergei M. Sergeev

We prove the existence of infinitely many nonnegative solutions to the following nonlocal elliptic partial differential equation involving singularities \begin{align} (-\Delta)_{p(\cdot)}^{s}…

Analysis of PDEs · Mathematics 2021-08-26 Sekhar Ghosh , Debajyoti Choudhuri , Ratan Kr. Giri

In this article, we prove the existence of at least two positive weak solutions for a mixed local-nonlocal singular problem in the presence of critical exponential nonlinearity in dimension two. The novelty of this work is the inclusion of…

Analysis of PDEs · Mathematics 2025-03-12 Sanjit Biswas

Let $\Gamma$ be a finite group acting linearly on $\C^n$, freely outside the origin, and let $N$ be the number of conjugacy classes of $\Gamma$ minus one. A construction of Kronheimer of moduli spaces $X_\zeta$ of translation-invariant…

alg-geom · Mathematics 2008-02-03 Alexander V Sardo Infirri

In the present work we shall consider the existence and multiplicity of solutions for nonlocal elliptic singular problems where the nonlinearity is driven by two convolutions terms. More specifically, we shall consider the following…

Analysis of PDEs · Mathematics 2024-12-20 Edcarlos D. Silva , Marlos R. da Rocha , Jefferson S. Silva

This work is devoted to the study of a nonlocal-in-time evolutional problem for the first order differential equation in Banach space. Our primary approach, although stems from the convenient technique based on the reduction of a nonlocal…

Dynamical Systems · Mathematics 2016-09-26 Dmytro Sytnyk , Volodymyr Makarov , Vitalii Vasylyk

The $\alpha$-patch model is used to study aspects of fluid equations. We show that solutions of this model form singularities in finite time and give a characterization of the solution profile at the singular time.

Analysis of PDEs · Mathematics 2019-10-30 Vu Hoang , Maria Radosz

The theory of elliptic equations involving singular nonlinearities is well studied topic but the interaction of singular type nonlinearity with nonlocal nonlinearity in elliptic problems has not been investigated so far. In this article, we…

Analysis of PDEs · Mathematics 2020-02-10 Jacques Giacomoni , Divya Goel , K. Sreenadh

This is the first of a series of two papers which studies the fractional porous medium equation on a Riemannian manifold with isolated conical singularities. In this article, we show $R$-sectoriality for the fractional powers of possibly…

Analysis of PDEs · Mathematics 2022-03-15 Nikolaos Roidos , Yuanzhen Shao

In this paper we investigate the existence of singular solutions to the conformal Dirac-Einstein system. Because of its conformal invariance, there are many similarities with the classical construction of singular solutions for the Yamabe…

Differential Geometry · Mathematics 2024-03-22 Ali Maalaoui , Vittorio Martino , Tian Xu

By means of variational methods we establish existence and multiplicity of solutions for a class of nonlinear nonlocal problems involving the fractional p-Laplacian and a combined Sobolev and Hardy nonlinearity at subcritical and critical…

Analysis of PDEs · Mathematics 2018-02-19 Wenjing Chen , Sunra Mosconi , Marco Squassina

In this paper we investigate a class of elliptic problems involving a nonlocal Kirchhoff type operator with variable coefficients and data changing its sign. Under appropriated conditions on the coefficients, we have shown existence and…

Analysis of PDEs · Mathematics 2017-12-06 Camil S. Z. Redwan , João R. Santos Júnior , Antonio Suárez