On the unboundedness below of the Sturm-Liouville operator

Royal Society of Edinburgh - Proceedings A

Volumn 129, Issue 5, 1999, Pages 1011-1015

  Möller, Manfred ^a  

^a UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 22844453327     PISSN: 03082105     EISSN: None     Source Type: Journal    
DOI: 10.1017/S030821050003105X     Document Type: Article

References (6)

1. C. Bennewitz and W. N. Everitt. On second-order left-definite boundary value problems, pp. 31-67. Lecture Notes in Mathematics, vol. 1032 (Berlin: Springer, 1983).
2. K. Daho and H. Langer. Sturm-Liouville operators with an indefinite weight function. Proc. R. Soc. Edinb. A 78 (1977-78), 161-191.
3. M. A. Naimark. Linear differential operators (New York: Ungar, 1968).
4. H.-D. Nießen and A. Zettl. The Friedrichs extension of regular ordinary differential operators. Proc. R. Soc. Edinb. A 114 (1990), 229-236.
5. H.-D. Nießen and A. Zettl. Singular Sturm-Liouville problems: the Friedrichs extension and comparison of eigenvalues. Proc. Lond. Math. Soc. (3) 64 (1992), 545-578.
6. J. Weidmann. Spectral theory of ordinary differential operators. Lecture Notes in Mathematics, vol. 1258 (Berlin: Springer, 1987).