Biography:Toshikazu Sunada: Difference between revisions
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{{Short description|Mathematician known for spectral geometry}} | {{Short description|Mathematician known for spectral geometry}} | ||
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| name = Toshikazu Sunada | | name = Toshikazu Sunada | ||
Latest revision as of 23:03, 24 May 2026
| Toshikazu Sunada | |
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| Toshikazu Sunada | |
| Born | 7 September 1948 Tokyo, Japan
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| Known for | Sunada's method; isospectral manifolds; spectral geometry |
Toshikazu Sunada (born 7 September 1948) is a Japanese mathematician known for Sunada's method in spectral geometry and for work on discrete geometric analysis.
Quantum context
Sunada's method constructs different geometric spaces with the same spectral data. Such isospectral examples are important background for quantum chaos and quantum ergodicity, where spectra encode dynamical and geometric information.
The Quantum Collection link to Physics:Quantum ergodicity reflects this connection between eigenvalues, wave behavior, and the geometry of quantum systems.
Linked Quantum Collection pages
- Physics:Quantum ergodicity
- Physics:Quantum chaos
- Physics:Quantum Eigenstates and eigenvalues
- Physics:Quantum Wavefunction
References
- Sunada, Toshikazu (1985). "Riemannian coverings and isospectral manifolds". Annals of Mathematics 121 (1): 169-186. doi:10.2307/1971195.
- "Toshikazu Sunada". University of Tokyo. https://www.ms.u-tokyo.ac.jp/people/sunada.html.
Author: Harold Foppele
Source attribution: Biography:Toshikazu Sunada