×

The mathematical theory of resonances whose widths are exponentially small. (English) Zbl 0455.35091


MSC:

35P15 Estimates of eigenvalues in context of PDEs
35Q99 Partial differential equations of mathematical physics and other areas of application
34M99 Ordinary differential equations in the complex domain
34E20 Singular perturbations, turning point theory, WKB methods for ordinary differential equations
34E05 Asymptotic expansions of solutions to ordinary differential equations
PDF BibTeX XML Cite
Full Text: DOI