The variation in index of a quadratic function depending on a parameter
Author:
Everett Pitcher
Journal:
Bull. Amer. Math. Soc. 65 (1959), 355-357
DOI:
https://doi.org/10.1090/S0002-9904-1959-10370-0
MathSciNet review:
0110725
Full-text PDF Free Access
References | Additional Information
- Morris J. Gottlieb, Oscillation theorems for self-adjoint boundary value problems, Duke Math. J. 15 (1948), 1073–1091. MR 29042