It provides an inequality between a certain Sobolev space norm and an Orlicz space norm of a function. The inequality is a limiting case of Sobolev imbedding and can be stated as the following theorem:
Let be a bounded domain in satisfying the cone condition. Let and . Set
Moser, J. (1971), "A Sharp form of an Inequality by N. Trudinger", Indiana Univ. Math. J., 20 (11): 1077–1092, doi:10.1512/iumj.1971.20.20101.
Trudinger, N. S. (1967), "On imbeddings into Orlicz spaces and some applications", J. Math. Mech., 17: 473–483.
August 26, 2023
trudinger, theorem, mathematical, analysis, trudinger, inequality, also, sometimes, called, moser, trudinger, inequality, result, functional, analysis, sobolev, spaces, named, after, neil, trudinger, jürgen, moser, provides, inequality, between, certain, sobol. In mathematical analysis Trudinger s theorem or the Trudinger inequality also sometimes called the Moser Trudinger inequality is a result of functional analysis on Sobolev spaces It is named after Neil Trudinger and Jurgen Moser It provides an inequality between a certain Sobolev space norm and an Orlicz space norm of a function The inequality is a limiting case of Sobolev imbedding and can be stated as the following theorem Let W displaystyle Omega be a bounded domain in R n displaystyle mathbb R n satisfying the cone condition Let m p n displaystyle mp n and p gt 1 displaystyle p gt 1 Set A t exp t n n m 1 displaystyle A t exp left t n n m right 1 Then there exists the embedding W m p W L A W displaystyle W m p Omega hookrightarrow L A Omega where L A W u M f W u A W inf k gt 0 W A u x k d x 1 lt displaystyle L A Omega left u in M f Omega u A Omega inf k gt 0 int Omega A left frac u x k right dx leq 1 lt infty right The space L A W displaystyle L A Omega is an example of an Orlicz space References EditMoser J 1971 A Sharp form of an Inequality by N Trudinger Indiana Univ Math J 20 11 1077 1092 doi 10 1512 iumj 1971 20 20101 Trudinger N S 1967 On imbeddings into Orlicz spaces and some applications J Math Mech 17 473 483 Retrieved from https en wikipedia org w index php title Trudinger 27s theorem amp oldid 1141366295, wikipedia, wiki, book, books, library,