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Geometric aspects of Sturm–Liouville problems III. Level surfaces of the th eigenvalue

✍ Scribed by Xifang Cao; Qingkai Kong; Hongyou Wu; Anton Zettl


Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
254 KB
Volume
208
Category
Article
ISSN
0377-0427

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✦ Synopsis


For a given regular Sturm-Liouville equation and any natural number n, we explicitly describe the level surfaces of the nth eigenvalue of the equation, regarded as a function on the space of self-adjoint boundary conditions. The description of each level surface uses only a particular value of the transfer matrix of the equation. The shapes of these surfaces are also determined.


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