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.

Read the primary source ↗

Checked against the linked primary record or author repository. Verification of a citation is not replication or endorsement.

Use in this edition

Evidence map · Speculation register · Model lineage