A positive and bounded convergent scheme for general space-fractional diffusion-reaction systems with inertial times

Boundedness is an essential feature of the solutions for various mathematical and numerical models in the natural sciences, especially those systems in which linear or nonlinear preservation or stability features are fundamental. In those cases, the boundedness of the solutions outside a set of zero measures is not enough to guarantee that the solutions are physically relevant. In this note, we will establish a criterion for the boundedness of integrable solutions of general continuous and numerical systems. More precisely, we establish a characterization of those measures over arbitrary spaces for which real-valued integrable functions are necessarily bounded at every point of the domain. The main result states that the collection of measures for which all integrable functions are everywhere bounded are exactly all of those measures for which the infimum of the measures for nonempty sets is a positive extended real number.

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A positive and bounded convergent scheme for general space-fractional diffusion-reaction systems with inertial times

Cited by 2 publications

References 67 publications

Two energy-preserving numerical models for a multi-fractional extension of the Klein–Gordon–Zakharov system

Two energy-preserving numerical models for a multi-fractional extension of the Klein–Gordon–Zakharov system

Solution Spaces Associated to Continuous or Numerical Models for Which Integrable Functions Are Bounded

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