On Principal Eigenvalues for Boundary Value Problems with Inde nite Weight and Robin Boundary Conditions

@inproceedings{Afrouzi2007OnPE,
  title={On Principal Eigenvalues for Boundary Value Problems with Inde nite Weight and Robin Boundary Conditions},
  author={Ghasem A. Afrouzi and Kim J. Brown},
  year={2007}
}
We investigate the existence of principal eigenvalues (i.e., eigenval-ues corresponding to positive eigenfunctions) for the boundary value problem ?u(x) = g(x)u(x) on D; @u @n (x)+u(x) = 0 on @D where D is a bounded region in R N , g is an indeenite weight function and 2 R may be positive, negative or zero. 

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