Commun. Korean Math. Soc. 2009; 24(2): 281-290
Printed June 1, 2009
https://doi.org/10.4134/CKMS.2009.24.2.281
Copyright © The Korean Mathematical Society.
Feng Wang and Fang Zhang
Jiangsu Polytechnic University
The famous Guo-Krasnosel'skii fixed point theorems concerning cone expansion and compression of norm type and order type are extended, respectively. As an application, the existence of multiple positive solutions for systems of Hammerstein type integral equations is considered.
Keywords: fixed point theorems, cone expansion and compression, Hammerstein integral equations
MSC numbers: Primary 47H10, 34B10, 34B15
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