Research edition 04 / 20 October 2026
One cannot hear the shape of a drum
Nonisometric planar domains can have identical spectra. Resonance alone need not uniquely identify geometry.
Source and scope
Carolyn Gordon; David L. Webb; Scott Wolpert · 1992 · Bulletin of the American Mathematical Society 27, 134–138
Nonisometric planar domains can have identical spectra. Resonance alone need not uniquely identify geometry.
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