Zariski-type connectedness conjecture for totally geodesic submanifolds

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Let MM be an mm-dimensional Riemannian manifold of positive sectional curvature. Let NN and HH be totally geodesic closed submanifolds of dimensions nn and hh, respectively, which intersect transversely. Let

j∗:πi(N−(N∩H))→πi(M−H)j_*: \pi_i\bigl(N-(N\cap H)\bigr)\to \pi_i(M-H)

be the homomorphism induced by inclusion. Zariski-type connectedness conjecture. The homomorphism j∗j_* is an isomorphism for i≤2n−mi\leq 2n-m and an epimorphism for i=2n−m+1i=2n-m+1. The conjecture is presented as a Riemannian-geometric counterpart of Zariski connectedness results in algebraic geometry; the source does not state a resolution or subsequent status.

References

Primary source

Fuquan Fang and S. Mendonca, “Knots in Riemannian manifolds”, arXiv:0801.2216 (2008).

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