Visually Smooth Non-Congruent Flat Simply Connected Domains That Are Numerically Dirichlet–Neumann Isospectral

Abstract: The paper presents two incongruent flat simply connected domains with a visually smooth boundary for which the eigenvalues of the Dirichlet–Neumann operator, obtained using the algorithm cited in the paper, are practically identical. DOI 10.1134/S1061920825601107 © Pleiades Publishing, Ltd. 2025.

Авторы
Номер выпуска
3
Язык
Английский
Страницы
451-457
Статус
Опубликовано
Том
32
Год
2025
Организации
  • 1 Lomonosov Moscow State University, Moscow, Moscow Oblast, Russian Federation
  • 2 V. A. Trapeznikov Institute of Control Sciences, Russian Academy of Sciences, Moscow, Russian Federation
  • 3 Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Oblast, Russian Federation
  • 4 RUDN University, Moscow, Moscow Oblast, Russian Federation
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