We consider the nth eigenvalue as a function on the space of self-adjoint regular Sturm-Liouville problems with positive leading coefficient and weight functions. The discontinuity of the nth eigenvalue is completely characterized, (C) 1999 Academic Press.
机构:
Shanxi Engn Vocat Coll, Taiyuan 030009, Peoples R China
Shaanxi Normal Univ, Sch Math & Stat, Xian 710062, Peoples R ChinaShanxi Engn Vocat Coll, Taiyuan 030009, Peoples R China