Baum-Dąbrowski-Hajac topological Borsuk-Ulam conjecture

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Let XX be a compact Hausdorff space with a free action of a nontrivial compact group GG. Equip the join X∗GX * G with the diagonal action. Baum-Dąbrowski-Hajac's topological Borsuk-Ulam conjecture. There is no equivariant map

X∗G→X.X * G \to X.

This generalizes the Borsuk-Ulam theorem from antipodal actions on spheres to free actions of compact groups on compact Hausdorff spaces. The source gives no resolution status for this conjecture.

References

Primary source

Alexandru Chirvasitu and Benjamin Passer, “Invariants in Noncommutative Dynamics”, arXiv:1804.01434 (2019).

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