A characterization of the factors of ordinary linear differential operators
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- by Anton Zettl PDF
- Bull. Amer. Math. Soc. 80 (1974), 498-499
References
- W. A. Coppel, Disconjugacy, Lecture Notes in Mathematics, Vol. 220, Springer-Verlag, Berlin-New York, 1971. MR 0460785
- Erhard Heinz, Halbbeschränktheit gewöhnlicher Differentialoperatoren höherer Ordnung, Math. Ann. 135 (1958), 1–49 (German). Vorwort von B. L. van der Waerden. MR 101941, DOI 10.1007/BF01350826 3. M. G. Krein, Sur les operateurs differentiels auto-adjoints et leurs fonctions de Green symetriques, Mat. Sb. (N.S.) 2 (44) (1937), 1023-1072.
- Anton Zettl, Factorization of differential operators, Proc. Amer. Math. Soc. 27 (1971), 425–426. MR 273085, DOI 10.1090/S0002-9939-1971-0273085-5
Additional Information
- Journal: Bull. Amer. Math. Soc. 80 (1974), 498-499
- MSC (1970): Primary 34A30, 34A05; Secondary 34A01
- DOI: https://doi.org/10.1090/S0002-9904-1974-13466-X
- MathSciNet review: 0338493