The level crossing problem in semi-classical analysis. II. The Hermitian case
Yves Colin de Verdière (2004)
Annales de l’institut Fourier
Similarity:
This paper is the second part of the paper ``The level crossing problem in semi-classical analysis I. The symmetric case''(Annales de l'Institut Fourier in honor of Frédéric Pham). We consider here the case where the dispersion matrix is complex Hermitian.