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Abel-Summability of Eigenfunction Expansions of Three—Point Boundary Value Problems

✍ Scribed by Gerhard Freiling; Igor Yu. Trooshin

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
710 KB
Volume
190
Category
Article
ISSN
0025-584X

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✦ Synopsis

We study the Abel-summability of the eigenfunction expansions associated with the differential operator L generated by 5 (0.1)

and splitting three-point boundary conditions. It is shown that there is no straightforward analogy between multipoint and twopoint boundary value problems. Counterexamples show that our main results are best possible.

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