Results 11 to 20 of about 39 (39)

Generalized result on the global existence of positive solutions for a parabolic reaction diffusion model with a full diffusion matrix [PDF]

, 2023
In this paper, we study the global existence in time of solutions for a parabolic reaction diffusion model with a full matrix of diffusion coefficients on a bounded domain. The technique used is based on compact semigroup methods and some estimates.
Nabila Barrouk, BARROUK, Nabila, Salim Mesbahi, MESBAHI, Salim   +3 more
core   +2 more sources

On oscillatory second order nonlinear impulsive systems of neutral type [PDF]

, 2020
In this work, the necessary and sufficient conditions for oscillation of a class of second order neutral impulsive systems are established and our impulse satisfies a discrete neutral nonlinear equation of similar type.
TRIPATHY, Arun Kumar, SANTRA, Shyam Sundar   +1 more
core   +2 more sources

Exact Controllability of nonlinear Heat equations in spaces of analytic functions

, 2020
International audienceIt is by now well known that the use of Carleman estimates allows to establish the control-lability to trajectories of nonlinear parabolic equations.
Laurent, Camille, Rosier, Lionel
core   +1 more source

Invariant Regions and Global Existence of Uniqueness Weak Solutions for Tridiagonal Reaction-Diffusion Systems [PDF]

In this paper we study the existence of uniqueness global weak solutions for m × m reaction-diffusion systems for which two main properties hold: the positivity of the weak solutions and the total mass of the components are preserved with time. Moreover,
BARROUK, Nabila, ABDELMALEK, Karima, REDJOUH, Mounir   +2 more
core   +2 more sources

On Regularized Systems of Equations for Gas Mixture Dynamics with New Regularizing Velocities and Diffusion Fluxes. [PDF]

Entropy (Basel), 2023
Zlotnik A, Lomonosov T.
europepmc   +1 more source

WHERE DID THE TUMOR START? AN INVERSE SOLVER WITH SPARSE LOCALIZATION FOR TUMOR GROWTH MODELS. [PDF]

Inverse Probl, 2020
Subramanian S, Scheufele K, Mehl M, Biros G.   +3 more
europepmc   +1 more source

IMAGE-DRIVEN BIOPHYSICAL TUMOR GROWTH MODEL CALIBRATION. [PDF]

SIAM J Sci Comput, 2020
Scheufele K, Subramanian S, Mang A, Biros G, Mehl M.   +4 more
europepmc   +1 more source

On the Regularity Problem for Parabolic Operators and the Role of Half-Time Derivative. [PDF]

J Geom Anal
Dindoš M.
europepmc   +1 more source

Higher integrability for singular doubly nonlinear systems. [PDF]

Ann Mat Pura Appl
Moring K, Schätzler L, Scheven C.
europepmc   +1 more source

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Positive periodic solutions of Lotka-Volterra reaction-diffusion systems

Differential and Integral Equations, 1992
Julian Lopez-Gomez
exaly