Félix–Oprea–Tanré's generalised toral rank conjecture
Félix–Oprea–Tanré's generalised toral rank conjecture
Let be a quasi-nilpotent fibration, with fibre equal to a torus , and suppose that the rational cohomology of is finite dimensional. Generalised toral rank conjecture. One should have
The source also asks whether, if is merely rationally elliptic, the weaker inequality holds. This formulation was proposed by Félix, Oprea, and Tanré; the article provides counterexamples to the generalised claim, so it is refuted.
Sources & referencesView supporting material
Primary source
Manuel Amann, “Counter-Examples to a generalised Toral Rank Conjecture”, arXiv:2011.13411 (2020).
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