# American Institute of Mathematical Sciences

July  2001, 7(3): 559-571. doi: 10.3934/dcds.2001.7.559

## Exact multiplicity of solutions for classes of semipositone problems with concave-convex nonlinearity

 1 Department of Mathematics, Tulane University, New Orleans, LA 70118, United States 2 Department of Mathematics, Georgia Southern University, Statesboro, GA 30460, United States

Received  July 2000 Revised  October 2000 Published  April 2001

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Citation: Junping Shi, Ratnasingham Shivaji. Exact multiplicity of solutions for classes of semipositone problems with concave-convex nonlinearity. Discrete & Continuous Dynamical Systems - A, 2001, 7 (3) : 559-571. doi: 10.3934/dcds.2001.7.559
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