Results 91 to 100 of about 666,505 (227)
Journal of Geophysical Research: Space Physics, Volume 130, Issue 7, July 2025.Abstract Modeling density distributions along Jupiter's magnetic field lines is essential for understanding the Io plasma torus, moon plasma interactions, and plasma throughout the magnetosphere. This study compares multi‐fluid and kinetic approaches to diffusive equilibrium and the effects of different plasma distribution functions and anisotropy.
Edward G. Nerney
wiley +1 more source
Existence and uniqueness of solutions for mixed fractional q-difference boundary value problems
Boundary Value Problems, 2019 In this paper, we investigate the existence and uniqueness of solutions for mixed fractional q-difference boundary value problems involving the Riemann–Liouville and the Caputo fractional derivative. By using the Guo–Krasnoselskii fixed point theorem and
Lulu Zhang, Shurong Sun
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Liouville Theorem for Lichnerowicz Equation on Complete Noncompact Manifolds
, 2014 In this paper, we study the gradient estimates for positive solutions to the Lichnerowicz equation sf uþ hu 1⁄4 Au þ Bu , where h, p, q, A, B are real constants and p > 1, q > 1: Moreover, by these gradient estimates, we can get some very interesting ...
Liang Zhao
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Predictions for the Shape and Orientation of Earth's Foreshock Radiation Sources
Journal of Geophysical Research: Space Physics, Volume 130, Issue 7, July 2025.Abstract Radio emission produced in Earth's foreshock is due to the bow shock reflecting some electrons back upstream into the foreshock, where they produce Langmuir waves and radio emissions near the electron plasma frequency fp ${f}_{p}$ and near 2fp $2{f}_{p}$.
Iver H. Cairns, Patrick Oppel
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Conformal metrics of constant scalar curvature with unbounded volumes
Proceedings of the London Mathematical Society, Volume 131, Issue 1, July 2025.Abstract For n⩾25$n\geqslant 25$, we construct a smooth metric g∼$\tilde{g}$ on the standard n$n$‐dimensional sphere Sn$\mathbb {S}^n$ such that there exists a sequence of smooth metrics {g∼k}k∈N$\lbrace \tilde{g}_k\rbrace _{k\in \mathbb {N}}$ conformal to g∼$\tilde{g}$ where each g∼k$\tilde{g}_k$ has scalar curvature Rg∼k≡1$R_{\tilde{g}_k}\equiv 1 ...
Liuwei Gong, Yanyan Li
wiley +1 more source
Existence Results for the Distributed Order Fractional Hybrid Differential Equations
Abstract and Applied Analysis, 2012 We introduce the distributed order fractional hybrid differential equations (DOFHDEs) involving the Riemann-Liouville differential operator of order ...
Hossein Noroozi +2 more
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Geodesics in planar Poisson road random metric
Proceedings of the London Mathematical Society, Volume 131, Issue 1, July 2025.Abstract We study the structure of geodesics in the fractal random metric constructed by Kendall from a self‐similar Poisson process of roads (that is, lines with speed limits) in R2$\mathbb {R}^2$. In particular, we prove a conjecture of Kendall stating that geodesics do not pause en route, that is, use roads of arbitrary small speed except at their ...
Guillaume Blanc +2 more
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A note on the singular Sturm-Liouville problem with infinitely many solutions
Electronic Journal of Differential Equations, 2002 We consider the Sturm-Liouville nonlinear boundary-value problem $$ displaylines{ -u''(t) = a(t)f(u(t)), quad 0 < t < 1, cr alpha u(0) - eta u'(0) =0, quad gamma u(1) + delta u'(1) = 0, } $$ where $alpha$, $eta$, $gamma$, $delta geq 0$, $alpha gamma ...
Nickolai Kosmatov
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The Liouville theorem for a quasi-linear elliptic partial differential equation [PDF]
, 1962 Sherman Elwood Bohn, Lloyd Jackson
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Spectral analysis of q-fractional Sturm-Liouville operators
Electronic Journal of Differential Equations, 2017 In this article, we study q-fractional Sturm-Liouville operators. Using by the functional method, we pass to a new operator. Then, showing that this operator is a maximal operator and constructing a self-adjoint dilation of the maximal dissipative ...
Bilender P. Allahverdiev, Huseyin Tuna
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