Weak geometric version of the Curtis and Eccles conjectures

Work at the prime 22, with HH_* denoting homology with coefficients in Z/2\mathbb Z/2. Let Q0S0Q_0S^0 be the base-point component of QS0QS^0, and for a path connected space XX let QXQX be its associated infinite loop space. Consider the unstable Hurewicz homomorphisms

h:π>0Q0S0HQ0S0,h:\pi_{*>0}Q_0S^0\to H_*Q_0S^0,

and

h:πQXHQX.h:\pi_*QX\to H_*QX.

Weak geometric version of the Curtis and Eccles conjectures. (i) The image of the first homomorphism is finite. (ii) For a path connected space XX, the image of the second homomorphism is finite.

These are weakened finiteness predictions for unstable Hurewicz images. The first follows from the Curtis conjecture after the solutions of the Kervaire invariant one and Hopf invariant one problems; the second is motivated by the analogous consequence of Eccles's conjecture for spheres, but its general status is not resolved in the supplied text.

Sources & referencesView supporting material

Primary source

Hadi Zare, “Filtered finiteness of the image of the unstable Hurewicz homomorphism with applications to bordism of immersions”, arXiv:1801.00735 (2018).

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