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An estimate of the Nielsen number and an example concerning the Lefschetz fixed point theorem. (English) Zbl 0324.55003
Pac. J. Math. (to appear)

MSC:
 55M20 Fixed points and coincidences in algebraic topology 54C55 Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties) 57M10 Covering spaces and low-dimensional topology