Αποτελέσματα αναζήτησης

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

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

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

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

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

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

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

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

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

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