Results 51 to 60 of about 654,091 (289)

Exponential Stability of Higher Order Fractional Neutral Stochastic Differential Equation Via Integral Contractors

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 6, Page 6425-6446, April 2025.
ABSTRACT The well‐posedness results for mild solutions to the fractional neutral stochastic differential system with Rosenblatt process with Hurst index Ĥ∈12,1$$ \hat{H}\in \left(\frac{1}{2},1\right) $$ is discussed in this article. To demonstrate the results, the concept of bounded integral contractors is combined with the stochastic result and ...
Dimplekumar N. Chalishajar   +3 more
wiley   +1 more source

Liouville-type theorems for positive solutions to $ \Delta_{p_1, \cdots, p_r}v+f(v) = 0 $ in $ \mathbb{R}^{m} $

open access: yesElectronic Research Archive
In this paper, we employed the Bernstein method to prove some Liouville-type theorems of the equation $ \Delta_{p_1, \cdots, p_r}v+f(v) = 0 $. Here, $ \Delta_{p_1, \cdots, p_r}v: = \mathrm{div}(\sum_{i = 1}^r|\nabla v|^{p_i-2}\nabla v) $.
Fanqi Zeng   +3 more
doaj   +1 more source

Equivalences of Nonlinear Higher Order Fractional Differential Equations With Integral Equations

open access: yesMathematical Methods in the Applied Sciences, Volume 48, Issue 6, Page 6930-6942, April 2025.
ABSTRACT Equivalences of initial value problems (IVPs) of both nonlinear higher order (Riemann–Liouville type) fractional differential equations (FDEs) and Caputo FDEs with the corresponding integral equations are studied in this paper. It is proved that the nonlinearities in the FDEs can be L1$$ {L}^1 $$‐Carathéodory with suitable conditions.
Kunquan Lan
wiley   +1 more source

Sampling Theorems for Sturm Liouville Problem with Moving Discontinuity Points

open access: yes, 2014
In this paper, we investigate the sampling analysis for a new Sturm-Liouville problem with symmetrically located discontinuities which are defined to depending on a neighborhood of a midpoint of the interval.
Altinisik, Nihat, Hira, Fatma
core   +1 more source

Liouville theorems for stable solutions of the weighted Lane-Emden system [PDF]

open access: yes, 2015
We examine the general weighted Lane-Emden system \begin{align*} -\Delta u = \rho(x)v^p,\quad -\Delta v= \rho(x)u^\theta, \quad u,v>0\quad \mbox{in }\;\mathbb{R}^N \end{align*} where $10$.
Hatem Hajlaoui, A. Harrabi, F. Mtiri
semanticscholar   +1 more source

SOME REMARKS ON LIOUVILLE TYPE THEOREMS [PDF]

open access: yesRecent Advances in Nonlinear Analysis, 2008
The goal of this note is to present elementary proofs of statements related to the Liouville theorem.
Brezis, H, Chipot, M, Xie, Y
openaire   +2 more sources

C∞$$ {C}^{\infty } $$‐Structures for Liénard Equations and New Exact Solutions to a Class of Klein–Gordon Equations

open access: yesMathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT Liénard equations are analyzed using the recent theory of 𝒞∞‐structures. For each Liénard equation, a 𝒞∞‐structure is determined by using a Lie point symmetry and a 𝒞∞‐symmetry. Based on this approach, a novel method for integrating these equations is proposed, which consists in solving sequentially two completely integrable Pfaffian equations.
Beltrán de la Flor   +2 more
wiley   +1 more source

On Mochizuki-Trooshin Theorem for Sturm-Liouville Operators

open access: yesCumhuriyet Science Journal, 2019
In this paper, theinverse spectral problems of Sturm-Liouville operators are considered. Some newuniqueness theorems and analogies of the Mochizuki-Trooshin Theorem are proved.2010 Mathematics Subject Classification. Primary34A55, 34B24; Secondary 34L05.
İbrahim Adalar
doaj   +1 more source

Riemannian Polyhedra and Liouville-type Theorems for Harmonic maps

open access: yes, 2014
This paper is a study of harmonic maps from Riemannian polyhedra to (locally) non-positively curved geodesic spaces in the sense of Alexandrov. We prove Liouville-type theorems for subharmonic functions and harmonic maps under two different assumptions ...
Sinaei, Zahra
core   +2 more sources

Transient, Localized Flux Transport Revealed by Electron Microsignatures Downstream of Saturnian Moons

open access: yesGeophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract In Saturn's magnetosphere, the inward transport of magnetic flux is largely carried by localized injection flux tubes filled with warm, tenuous plasma, although their inflow speeds and spatio‐temporal properties remain poorly constrained. Here, we propose that these flux tubes can modify electron microsignatures, the small‐scale, absorption ...
Ya‐Ze Wu   +7 more
wiley   +1 more source

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