Allen's non-orientable surface realizability conjecture for torus knots

From papers

For a positive torus knot T(3,6n+1)T(3,6n+1), let (e,h)(e,h) denote the normal Euler number and non-orientable genus of a smoothly and properly embedded surface in D4D^4 bounded by the knot. The exceptional pairs are

(e,h)=(83(1n)+2+2m,1+m),(e,h)=\left(\frac{8}{3}(1-n)+2+2m,1+m\right),

where mm is a non-negative integer. For a positive torus knot T(3,6n+2)T(3,6n+2), the exceptional pairs are

(e,h)=(83(2n)+2+2m,3+m),(e,h)=\left(\frac{8}{3}(2-n)+2+2m,3+m\right),

where mm is a non-negative integer. Allen's conjecture. Both of these families of pairs are not realizable. This concerns the unresolved realizability question for non-orientable surfaces bounded by torus knots; the supplied text gives no resolution status.

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Sources & referencesView supporting material

Primary source

Hokuto Konno, Jin Miyazawa and Masaki Taniguchi, “Involutions, links, and Floer cohomologies”, arXiv:2304.01115 (2023).

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