© 2019 IEEE. Directivities, spectra, and thresholds of laser modes of an equilateral triangular active microcavity with a piercing hole are calculated numerically solving the Lasing Eigenvalue Problem on the basis of the ...

© 2016, Pleiades Publishing, Ltd.The nonlinear eigenvalue problem describing eigenvibrations of a beam with elastically attached load is investigated. The existence of an increasing sequence of positive simple eigenvalues ...

Abstract: The differential eigenvalue problem governing eigenvibrations of an elastic bar with fixed first end and mechanical resonator attached to second end is investigated. This problem has an increasing sequence of ...

© 2020, Pleiades Publishing, Ltd. Abstract: The current paper clarifies the connection between the generalizedcomplex-frequency eigenvalue problem and the eigenvalue problemfor the Muller boundary integral equations. It ...

Спектральная задача в бесконечномерном гильбертовом пространстве аппроксимируется задачей в конечномерном подпространстве. Исследуется сходимость и погрешность приближенных собственных значений и собственных элементов. ...