COURANT-SHARP EIGENVALUES OF COMPACT FLAT SURFACES: KLEIN BOTTLES AND CYLINDERS

Berard, P; Helffer, B; Kiwan, R

Berard, P (通讯作者),Univ Grenoble Alpes, CS 40700, F-38058 Grenoble 9, France.;Berard, P (通讯作者),CNRS, Inst Fourier, CS 40700, F-38058 Grenoble 9, France.

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 2022; 150 (1): 439