02356nam 2200601 450 99646648720331620220513094142.03-540-37024-210.1007/BFb0064277(CKB)1000000000438181(SSID)ssj0000322492(PQKBManifestationID)12117604(PQKBTitleCode)TC0000322492(PQKBWorkID)10301304(PQKB)10514801(DE-He213)978-3-540-37024-6(MiAaPQ)EBC5579586(MiAaPQ)EBC6709606(Au-PeEL)EBL5579586(OCoLC)1066191630(Au-PeEL)EBL6709606(PPN)155211870(EXLCZ)99100000000043818120220513d1977 uy 0engurnn#008mamaatxtccrThe deficiency index problem for powers of ordinary differential expressions /Robert M. Kauffman, Thomas T. Read, Antol Zettl1st ed. 1977.Berlin ;Heidelberg ;New York :Springer-Verlag,[1977]©19771 online resource (VI, 112 p.)Lecture notes in mathematics (Springer-Verlag) ;621Bibliographic Level Mode of Issuance: Monograph3-540-08523-8 Functional analytic preliminaries -- Linear differential operators and the general classification theory of deficiency indices -- Second order limit-point, limit-circle conditions -- Higher order limit-point criteria -- The deficiency index problem for polynomials in symmetric differential expressions -- Applications of perturbation theory -- Conditions on the coefficients for all powers to be limit-point.Lecture notes in mathematics (Springer-Verlag) ;621.Boundary value problemsWeyl theoryBoundary value problemsWeyl theory.515.3534B20mscKauffman R. M(Robert McKenzie),1941-1224575Read Thomas T.1943-Zettl AntonMiAaPQMiAaPQMiAaPQBOOK996466487203316The deficiency index problem for powers of ordinary differential expressions2843006UNISA