Discrete maximum principle and adequate discretizations of linear parabolic problems

I Farago, R Horvath - SIAM Journal on Scientific Computing, 2006 - SIAM
In this paper, we analyze the connections between the different qualitative properties of
numerical solutions of linear parabolic problems with Dirichlet-type boundary condition. First …

A review of reliable numerical models for three‐dimensional linear parabolic problems

I Faragó, R Horváth - International journal for numerical …, 2007 - Wiley Online Library
The preservation of characteristic qualitative properties of different phenomena is a more
and more important requirement in the construction of reliable numerical models. For …

Continuous and discrete parabolic operators and their qualitative properties

I Faragó, R Horváth - IMA journal of numerical analysis, 2009 - academic.oup.com
The basic requirement of numerical methods is convergence. However, from the practical
point of view, it is generally not sufficient to construct convergent numerical methods for the …

[图书][B] On qualitative properties and convergence of time-discretization methods for semigroups

M Kovács - 2004 - search.proquest.com
In this dissertation we use functional calculus methods to investigate convergence and
qualitative properties of time-discretization methods for strongly continuous semigroups …

On weakening conditions for discrete maximum principles for linear finite element schemes

A Hannukainen, S Korotov, T Vejchodský - International Conference on …, 2008 - Springer
In this work we discuss weakening requirements on the set of sufficient conditions due to Ph.
Ciarlet [4, 5] for matrices associated to linear finite element schemes, which is commonly …

A bound on powers of linear operators, with relevance to numerical stability

N Borovykh, D Drissi, MN Spijker - Applied Mathematics Letters, 2002 - Elsevier
In this note, we formulate a theorem giving bounds on the powers of linear operators, in a
general Banach space setting. The relevance of the theorem is illustrated by applying it to …

[HTML][HTML] Sufficient conditions of the discrete maximum–minimum principle for parabolic problems on rectangular meshes

R Horváth - Computers & Mathematics with Applications, 2008 - Elsevier
New numerical models for simulation of physical and chemical phenomena have to meet
certain qualitative requirements, such as nonnegativity preservation, maximum–minimum …

On the monotonicity conservation in numerical solutions of the heat equation

R Horváth - Applied numerical mathematics, 2002 - Elsevier
It is important to choose such numerical methods in practice that mirror the characteristic
properties of the described process beyond the stability and convergence. The investigated …

A new insight on positivity and contractivity of the Crank-Nicolson scheme for the heat equation

I Higueras, T Roldán - arXiv preprint arXiv:2301.01066, 2023 - arxiv.org
In this paper we study numerical positivity and contractivity in the infinite norm of Crank-
Nicolson method when it is applied to the diffusion equation with homogeneous Dirichlet …

[HTML][HTML] Qualitative properties of nonlinear parabolic operators

I Faragó, R Horváth, J Karátson, S Korotov - Journal of Mathematical …, 2017 - Elsevier
It is a natural expectation that the mathematical models of real-life phenomena have to
possess some characteristic qualitative properties of the original process. For parabolic …