Resultados da pesquisa

Functional analysis and two-point differential operators Por Locker, John

On the localization of the essential spectrum of a class of ordinary differential operators Por Ravanera, Carmencita Tan 1959-

On the spectral characteristics of certain classes of ordinary differential expressions Por Davidson, Roger James T.

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

Spectral properties of differential expressions with exponentially and logarithmically growing coefficients Por Roque, Marian P.

On relatively compact perturbations of special expressions in L2W(I) Por Agapito, Julian Caesar

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

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

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

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