期刊
INVERSE PROBLEMS
卷 20, 期 1, 页码 155-161出版社
IOP PUBLISHING LTD
DOI: 10.1088/0266-5611/20/1/009
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A prescription for finding the densities of circular membranes which are isospectral to a uniform circular membrane is extended to cover isospectrality to any circular membrane density, thereby also revealing the underlying group-theoretical structure which is further elucidated. Membranes isospectral to radial-density membranes no longer possess the radial symmetry, and some examples are discussed.
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