Results 111 to 120 of about 1,295,553 (207)

OPTIMAL CONTROL OF INTENSITY OF WATER POINT SOURCES IN NONSATURATED POROUS MEDIUM

open access: yesМіжнародний науково-технічний журнал "Проблеми керування та інформатики"
Moisture transport through unsaturated porous medium with inserted point sources, described by Richards-Klute equation is a very complicated for calculations and unstable process.
С.І. Ляшко   +4 more
doaj   +1 more source

Harnack's inequality for doubly nonlinear equations of slow diffusion type. [PDF]

open access: yesCalc Var Partial Differ Equ, 2021
Bögelein V   +3 more
europepmc   +1 more source

A QUASILINEAR PARABOLIC EQUATION WITH INHOMOGENEOUS DENSITY AND ABSORPTION [PDF]

open access: yes, 2010
. We deal with the initial-boundary value problem for a quasilinear degenerate parabolic equation with inhomogeneous density and absorption, which appears in a number of applications to describe the evolution of diffusion processes, in particular ...
C H Liu
core  

On an optimal control problem for a quasilinear parabolic equation [PDF]

open access: yes, 2000
An optimal control problem governed by a quasilinear parabolic equation with additional constraints is investigated. The optimal control problem is converted to an optimization problem which is solved using a penalty function technique. The existence and
Farag, M., Farag, S.
core  

A nonlinear partial integro-differential equation from mathematical finance [PDF]

open access: yes
We study a nonlinear partial integrodifferential equation arising in the calibration of stochastic volatility models to a market of vanilla options.
Frédéric Abergel, Rémi Tachet
core  

Holder continuity of bounded weak solutions to generalized parabolic p-Laplacian equations II: singular case

open access: yesElectronic Journal of Differential Equations, 2015
Here we generalize quasilinear parabolic p-Laplacian type equations to obtain the prototype equation $$ u_t - \hbox{div} \Big(\frac{g(|Du|)}{|Du|} Du\Big) = 0, $$ where g is a nonnegative, increasing, and continuous function trapped in between two ...
Sukjung Hwang, Gary M. Lieberman
doaj  

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

On the Uniqueness of Schwarzschild-de Sitter Spacetime. [PDF]

open access: yesArch Ration Mech Anal, 2023
Borghini S, Chruściel PT, Mazzieri L.
europepmc   +1 more source

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