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Defect numbers of Fredholm operators. (English) Zbl 0341.47023

Translation from Ukr. Mat. Zh. 28, 405–408 (Russian) (1976; Zbl 0331.47018).

MSC:

47A53 (Semi-) Fredholm operators; index theories
45B05 Fredholm integral equations
47G10 Integral operators
46E30 Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.)

Citations:

Zbl 0331.47018
Full Text: DOI

References:

[1] M. S. Agranovich, ?Singular elliptic integrodifferential operators,? Usp. Matem. Nauk,20, No, 5 (125) (1965).
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