Results 111 to 120 of about 15,743 (200)

A proof of validity for multiphase Whitham modulation theory. [PDF]

open access: yesProc Math Phys Eng Sci, 2020
Bridges TJ, Kostianko A, Schneider G.
europepmc   +1 more source

Nontrivial solutions for resonance quasilinear elliptic systems

open access: yesAdvances in Nonlinear Analysis
We establish an Amann-Zehnder-type result for resonance systems of quasilinear elliptic equations with homogeneous Dirichlet boundary conditions, involving nonlinearities growing asymptotically (p,q)\left(p,q)-linear at infinity.
Borgia Natalino   +2 more
doaj   +1 more source

Unique continuation of positive solutions for doubly degenerate quasilinear elliptic equations

open access: yesElectronic Journal of Differential Equations, 2017
We consider quasilinear elliptic equations that are degenerate in two ways. One kind of degeneracy is due to the particular structure of the given vector fields.
Giuseppe Di Fazio   +2 more
doaj  

Oblique derivative problems for generalized Rassias equations of mixed type with several characteristic boundaries

open access: yesElectronic Journal of Differential Equations, 2009
This article concerns the oblique derivative problems for second-order quasilinear degenerate equations of mixed type with several characteristic boundaries, which include the Tricomi problem as a special case.
Guo Chun Wen
doaj  

Behaviour near zero and near infinity of solutions to elliptic equalities and inequalities

open access: yesElectronic Journal of Differential Equations, 2001
Here we consider elliptic equations and inequalities involving quasilinear operators in divergence form and nonlinear lower order terms: $$-mathop{m div}left(mathcal{A}(x,u,abla u)ight) geq |x|^sigma u^Qquad(Q>0,sigma in mathbb{R}), $$ in dimension $Ngeq
Marie-Francoise Bidaut-Veron
doaj  

Rate of convergence for solutions to Dirichlet problems of quasilinear equations

open access: yesElectronic Journal of Differential Equations, 2003
We obtain rates of convergence for solutions to Dirichlet problems of quasilinear elliptic (possibly degenerate) equations in slab-like domains. The rates found depend on the convergence of the boundary data and of the coefficients of the operator. These
Zhiren Jin
doaj  

Simulations of cosmic ray propagation. [PDF]

open access: yesLiving Rev Comput Astrophys, 2021
Hanasz M, Strong AW, Girichidis P.
europepmc   +1 more source

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