期刊
INVERSE PROBLEMS
卷 23, 期 5, 页码 2021-2028出版社
IOP PUBLISHING LTD
DOI: 10.1088/0266-5611/23/5/012
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In a celebrated paper 'Can one hear the shape of a drum?' (Kac 1966 Am. Math. Mon. 73 1-23) Kac asked his famous question on the consequences of isospectrality, which was eventually answered negatively in Gordon et al ( 1992 Invent. Math. 110 1-22) by the construction of non-congruent planar isospectral pairs. In this paper, we pose a similar question for Lie-type geometries, give partial answers and show that the question can be reduced to an important geometrical problem.
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