
Let \(p: E\to B\) be a fiber bundle with compact manifold fiber. The author [J. Differ. Geom. 10, 39-48 (1975; Zbl 0294.55009)] defined a ''transfer'' \(\tau\) : \(H^*(E)\to H^*(B)\) in singular cohomology theory such that \(\tau p^*\) is multiplication by the Euler characteristic of the fiber. \textit{J. C. Becker} and the author [Topology 14, 1-12 (1975; Zbl 0306.55017)] proved that there is a stable map which induces \(\tau\), hence such a transfer exists in every cohomology theory. Not all transfers can be so induced. Given another fiber bundle p': \(E\to B\) over the same base space with fiber a manifold of the same dimension, and given maps f, \(g: E\to E'\) covering the identity map of B, \textit{M. Nakaoka} [J. Math. Soc. Japan 32, 751-779 (1980; Zbl 0447.55001)] defined a transfer in singular cohomology \(\tau\) : \(H^*(E)\to H^*(B)\) such that \(\tau p^*\) is multiplication by the Lefschetz coincidence index of the restrictions of f and g to a fiber. The result of the present paper is that, under reasonable hypotheses, Nakaoka's transfer is induced by a stable map.
Transfer for fiber spaces and bundles in algebraic topology, Fixed points and coincidences in algebraic topology, 57R99, Thom isomorphism, 55R12, Fiber bundles in algebraic topology, Lefschetz coincidence index, stable map, transfer, fiber bundle
Transfer for fiber spaces and bundles in algebraic topology, Fixed points and coincidences in algebraic topology, 57R99, Thom isomorphism, 55R12, Fiber bundles in algebraic topology, Lefschetz coincidence index, stable map, transfer, fiber bundle
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