Skip to main content
SpringerLink
Log in

Remarks on u0-positive operators

  • Published:
Journal of Fixed Point Theory and Applications Aims and scope Submit manuscript

Abstract.

We show that the concept of a linear operator being u0-positive, and refinements of some classical results of Krasnosel’skiĭ, can be used, in conjunction with the theory of fixed point index, to give some short proofs of existence and nonexistence of positive solutions for nonlinear maps.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

Author information

Authors and Affiliations

  1. Department of Mathematics, University of Glasgow, Glasgow, G12 8QW, UK

    J. R. L. Webb

Authors
  1. J. R. L. Webb
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to J. R. L. Webb.

Additional information

Dedicated to Felix Browder on the occasion of his 80th birthday

Rights and permissions

Reprints and permissions

About this article

Cite this article

Webb, J.R.L. Remarks on u0-positive operators. J. fixed point theory appl. 5, 37–45 (2009). https://doi.org/10.1007/s11784-008-0093-2

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11784-008-0093-2

Mathematics Subject Classification (2000).

Keywords.

Search

Navigation