Operators and Matrices · Volume 13, Issue 2 Spectral estimates for Dirichlet Laplacian on tubes with exploding twisting velocity 13-21 Pages 311-322 DOI 10.7153/oam-2019-13-21 Downloads Short PDF Full PDF PNG Authors Diana Barseghyan Andrii Khrabustovskyi Keywords Dirichlet Laplacian twisted tube discrete spectrum eigenvalue bounds Subject classes 35P20 35P15 81Q10 81Q37