Spectral boundary value problems for Laplace–Beltrami operator: Moduli of continuity of eigenvalues under domain deformation

Meshcheryakov A.I., Batanov G.M., Borzosekov V.D., Grebenshchikov S.E., Grishina I.A., Kharchev N.K., Kholnov Y.V., Kolik L.V., Konchekov E.M., Kovrizhnykh L.M., Letunov A.A., Logvinenko V.P., Malakhov D.V., Petrov A.E., Sarksyan K.A., Shchepetov S.V., Skvortsova N.N., Stepakhin V.D., Tereshchenko M.A., Vafin I.Y., Vasilkov D.G.

Malamud M., Peller V., Neidhardt H.