# American Institute of Mathematical Sciences

June  2008, 1(2): 235-242. doi: 10.3934/dcdss.2008.1.235

## A semilinear $A$-spectrum

 1 Department of Mathematics, University of Maryland, College Park, Maryland 20742 2 Dipartimento di Matematica, Università della Calabria, 87036 Arcavacata di Rende, Cosenza

Received  September 2006 Revised  March 2007 Published  March 2008

Using the theory of $A$-proper maps, we give a new definition of spectrum for a semilinear pair $(L,F)$. Properties of this spectrum are given.
Citation: C. T. Cremins, G. Infante. A semilinear $A$-spectrum. Discrete & Continuous Dynamical Systems - S, 2008, 1 (2) : 235-242. doi: 10.3934/dcdss.2008.1.235
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