Title of article :
Index formulas for countably k-set contractive operators
Original Research Article
Author/Authors :
In-Sook Kim، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
We give an index formula for countably kk-set contractive bounded linear operators in a real Banach space, by using a degree theory for countably condensing operators. As a consequence, we present another index formula for differentiable countably kk-set contractive operators.
Keywords :
Index formula , Fredholm operator , degree theory , Countably kk-set contractive operator , essential spectrum
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
