Open Access
January 1998 THE DEGREE THEORY OF A NEW CLASS OF OPERATORS AND ITS APPLICATION
Yan Baoqiang
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SUT J. Math. 34(1): 75-90 (January 1998). DOI: 10.55937/sut/991983770

Abstract

This paper defines a concept of a semi-k-set-contraction operator, and establishes a degree theory for it. As its application, we discuss the existence for the solution of two-point boundary value problems for nonlinear second order integro-differential equations in Banach spaces.

Acknowledgement

The author thanks the referee for his suggestions and helps.

Citation

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Yan Baoqiang. "THE DEGREE THEORY OF A NEW CLASS OF OPERATORS AND ITS APPLICATION." SUT J. Math. 34 (1) 75 - 90, January 1998. https://doi.org/10.55937/sut/991983770

Information

Received: 29 July 1996; Revised: 24 December 1997; Published: January 1998
First available in Project Euclid: 18 June 2022

Digital Object Identifier: 10.55937/sut/991983770

Subjects:
Primary: 34G20 , 47H11

Keywords: equicontinuous set , k-set-contraction operator , topological degree , two-point boundary value problems

Rights: Copyright © 1998 Tokyo University of Science

Vol.34 • No. 1 • January 1998
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