Decreasing flow invariant sets and fixed points of quasimonotone increasing operators

Sun, Jingxian; Xu, Xi’an

doi:10.1090/S0002-9939-01-05975-5

Decreasing flow invariant sets and fixed points of quasimonotone increasing operators
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by Jingxian Sun and Xi’an Xu PDF

Proc. Amer. Math. Soc. 129 (2001), 2663-2669 Request permission

Abstract:

In this paper, we obtain some new results about the existence of multiple fixed points of a kind of quasimonotone increasing operator by the new method of decreasing flow invariant set.

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