A Counterexample to the “Hot Spots” Conjecture on Nested Fractals
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AbstractAlthough the “hot spots” conjecture was proved to be false on some classical domains, the problem still generates a lot of interests on identifying the domains that the conjecture hold. The question can also be asked on fractal sets that admit Laplacians. It is known that the conjecture holds on the Sierpinski gasket and its variants. In this note, we show surprisingly that the “hot spots” conjecture fails on the hexagasket, a typical nested fractal set. The technique we use is the spectral decimation method of eigenvalues of Laplacian on fractals.
All Author(s) ListKa-Sing Lau, Xiao-Hui Li, Huo-Jun Ruan
Journal nameJournal of Fourier Analysis and Applications
Volume Number24
Issue Number1
Pages210 - 225
LanguagesEnglish-United States

Last updated on 2021-17-09 at 00:00