YANG Ying, WEI Guang-sheng*
(College of Mathematics and Information Science, Shaanxi Normal University, Xi′an 710062, Shaanxi, China)
Abstract:
The uniqueness problem of inverse Sturm-Liouville differential operators defined on the interval \[0,1\] is discussed.Making use of the Marchenko′s uniqueness theorem, it is shown that if the potential function q(x) is known on the interval \[0,a\](1/2≤a
KeyWords:
Sturm-Liouville differential operator; potential function; eigenvalues