Abstract
We give an example of a space X with the property that every orientable fibration with the fiber X is rationally totally non-cohomologous to zero, while there exists a nontrivial derivation of the rational cohomology of X of negative degree.
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Yamaguchi, T. An Example of a Fiber in Fibrations Whose Serre Spectral Sequences Collapse. Czech Math J 55, 997–1001 (2005). https://doi.org/10.1007/s10587-005-0083-0
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DOI: https://doi.org/10.1007/s10587-005-0083-0