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Abstract

Let M be a compact connected smooth manifold such that its rational cohomology (homology) is H(MQ) Q (H (MQ)Q) if je Jn {0} H' (M;Q) = {0} (IH, (M;Q) {0}) otherwise, were J is a subset of the set of natural numbers N with cardinal 1 or 2. A C maps f, g: MM is called transversal coincidence maps if for all me N the graph of f intersects transversally the graph of g" at each point (x, f (x) = g(x)) such that x is a coincidence point of f" and g". This paper study the set of periods of f and g by using the Lefschetz coincidence numbers for periodic coincidence points.

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