Nonnegative controllability for a class of nonlinear degenerate parabolic equations with application to climate science

We consider a nonlinear degenerate reaction-diffusion equation. First we prove that if the initial state is nonnegative, then the solution remains nonnegative for all time. Then we prove the approximate controllability between nonnegative states via multiplicative controls, this is done using the reaction coefficient as control. For more information see https://ejde.math.txstate.edu/Volumes/2020/59/abstr.html

• Publication year

  2020

• Venue

  Electronic Journal of Differential Equations

• Publication date

  2020-03-10

• Fields of study

  Mathematics, Environmental Science

• Identifiers
  DOI 10.58997/ejde.2020.59arXiv 2003.04966
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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