J Austral Math Soc Ser A 58 pp27--38, 1995.

The Least Number of Coincidence Points on Surfaces

Jerzy Jezierski

(Received 17 January 1991; revised 22 April 1992)

Abstract

Bo Ju Jiang introduced an invariant lying in the braid group which is the best lower bound of the number of fixed points in a homotopy class of a given pair of self maps of a surface. Here we modify this construction to get a lower bound of the number of coincidence points of a pair of maps between two closed surfaces.

1991 AMS Subject Classification: primary 55M20; secondary 57R99

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Authors

Jerzy Jezierski: Department of Mathematics, University of Agriculture, Nowoursynowska, 02 766 Warsaw, Poland.

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Last Modified: Thu Jan 9 9:04:23 2003