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2026-10-13
The Becker--Gottlieb transfer is not functorial: An example based on units of group rings
Georg LehnerCary MalkiewichFlorian Naef
文献摘要
We show by explicit counterexample that the Becker–Gottlieb transfer cannot be made functorial. A different counterexample using rational homotopy theory was discovered concurrently by the third author and Robin Stoll.
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