Reflections on Dubinskii's nonlinear compact embedding theorem

Abstract

We present an overview of a result by Ju. A. Dubinskii [Mat. Sb. 67 (109) (1965); translated in Amer. Math. Soc. Transl. (2) 67 (1968)], concerning the compact embedding of a seminormed set in $L^p(0,T;{\mathcal{A}}_0)$, where ${\mathcal{A}}_0$ is a Banach space and $p\in [1,\infty ]$; we establish a variant of Dubinskii's theorem, where a seminormed nonnegative cone is used instead of a seminormed set; and we explore the connections of these results with a nonlinear compact embedding theorem due to E. Maitre [Int. J. Math. Math. Sci. 27 (2003)].

17 pages, 1 figure

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