We study the uniqueness and stability of nonnegative solutions for classes of nonlinear elliptic Dirichlet problems on a ball, when the nonlinearity is monotone, negative at the origin, and either concave or convex.
© 1993 American Mathematical Society
Ali, Ismael; Castro, Alfonso; and Shivaji, Ratnasingham, "Uniqueness and stability of nonnegative solutions for semipositone problems in a ball" (1993). All HMC Faculty Publications and Research. 462.