期刊
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
卷 532, 期 2, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmaa.2023.127929
关键词
Heat equation; Integral representation formula; Initial trace; Lateral trace; Trace triple
This passage discusses the relationship between nonnegative solutions of the heat equation in a bounded cylindrical domain and their integral representation in terms of a trace triple.
It is shown every nonnegative solution of the heat equation in a bounded cylindrical domain has an integral representation in terms of a trace triple consisting of a bottom trace, a corner trace and a lateral trace on its parabolic boundary. Conversely this trace triple uniquely determines the solution. (c) 2023 Elsevier Inc. All rights reserved.
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