Open Access

Fixed Points of Maps of a Nonaspherical Wedge

  • Seung Won Kim1Email author,
  • Robert F. Brown2,
  • Adam Ericksen3,
  • Nirattaya Khamsemanan4 and
  • Keith Merrill5
Fixed Point Theory and Applications20092009:531037

Received: 4 September 2008

Accepted: 13 January 2009

Published: 19 January 2009

The Erratum to this article has been published in Fixed Point Theory and Applications 2010 2010:820265


Let be a finite polyhedron that has the homotopy type of the wedge of the projective plane and the circle. With the aid of techniques from combinatorial group theory, we obtain formulas for the Nielsen numbers of the selfmaps of .

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Authors’ Affiliations

Department of Mathematics, College of Science, Kyungsung University, Busan, South Korea
Department of Mathematics, University of California, Los Angeles, USA
Department of Mathematics, University of Southern California, Los Angeles, USA
Sirindhorn International Institute of Technology, Thammasat University, Pathum Thani, Thailand
Department of Mathematics, Brandeis University, Belmont, USA


© SeungWon Kim et al. 2009

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.