Electronic Journal of Differential Equations, Vol. 2007(2007), No. 42, pp. 1-11. Title: A double eigenvalue problem for Schr\"odinger equations involving sublinear nonlinearities at infinity Author: Alexandru Kristaly (Babes-Bolyai Univ., Cluj-Napoca, Romania) Abstract: We present some multiplicity results concerning parameterized Schrodinger type equations which involve nonlinearities with sublinear growth at infinity. Some stability properties of solutions with respect to the parameters are also established in an appropriate Sobolev space. Submitted August 12, 2006. Published March 9, 2007. Math Subject Classifications: 35J60, 47J30. Key Words: Schrodinger equation; sublinearity at infinity; eigenvalue problem.