Ordinary differential operators Tekijä Wang, Aiping 1977-, Zettl, Anton

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Dirac operators in representation theory Tekijä Huang, Jing-Song

On the existence of the essential spectrum for a class of differential expressions having normal maximal extensions Tekijä Castillo, Maritina T.

Perturbations of a class of ordinary differential expressions preserving the essential spectrum and the nullities Tekijä Victoria, Marie Redina L. Mumpar

On the existence of the essential spectrum for a class of differential expressions Tekijä Castillo, Maritina T.

Invariance theory, the heat equation, and the Atiyah-Singer index theorem Tekijä Gilkey, Peter B.

Invariance theory, the heat equations and the atiyah-singer index theorem. Tekijä Gilkey, Peter B.

Spectral theory and wave operators for the Schrndinger equation Tekijä Berthier, A. M.

Generalized functions and fourier analysis, an introduction Tekijä Challifour, John L.

On differential operators of infinite order Tekijä Steen, Pleun van der