Anomalies of the diffraction pattern at near-threshold frequencies of the continuous spectrum
of a cylindrical quantum waveguide with regular (smooth gentle) or singular (small cavities …

Изучаются аномалии дифракционной картины на околопороговых частотах
непрерывного спектра цилиндрического квантового волновода с регулярным (гладким …

Cylindrical acoustic waveguides with constant cross-section $\omega $ are considered,
specifically, a straight waveguide $\Omega={\mathbb R}\times\omega\subset {\mathbb R}^ d …

Modified Kirchhoff transmission conditions in a simple one-dimensional model of a
branching artery developed by the authors, allow one to describe an anomaly of its …