The Dirichlet isospectral problem for trapezoids

Hezari, H; Lu, Z; Rowlett, J

Rowlett, J (corresponding author), Chalmers Univ, Math Dept, S-41296 Gothenburg, Sweden.; Rowlett, J (corresponding author), Univ Gothenburg, S-41296 Gothenburg, Sweden.

JOURNAL OF MATHEMATICAL PHYSICS, 2021; 62 (5):

Abstract

We show that non-obtuse trapezoids are uniquely determined by their Dirichlet Laplace spectrum. This extends our previous result [Hezari et al., Ann. ......

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