A trace inequality for generalized potentials in Lebesgue spaces with variable exponent
Author(s) -
David E. Edmunds,
Vakhtang Kokilashvili,
Alexander Meskhi
Publication year - 2004
Publication title -
journal of function spaces
Language(s) - English
Resource type - Journals
eISSN - 2314-8896
pISSN - 2314-8888
DOI - 10.1155/2004/502312
Subject(s) - mathematics , trace (psycholinguistics) , lp space , pure mathematics , lebesgue's number lemma , standard probability space , exponent , inequality , variable (mathematics) , lebesgue integration , mathematical analysis , banach space , riemann integral , philosophy , linguistics , operator theory , fourier integral operator
A trace inequality for the generalized Riesz potentials Iα(x) is established in spaces Lp(x) defined on spaces of homogeneous type. The results are new even in the case of Euclidean spaces. As a corollary a criterion for a two-weighted inequality in classical Lebesgue spaces for potentials Iα(x) defined on fractal sets is derived
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