Zariski-type connectedness conjecture for totally geodesic submanifolds

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(NH))πi(MH)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 jj_* is an isomorphism for i2nmi\leq 2n-m and an epimorphism for i=2nm+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.

Sources & referencesView supporting material

Primary source

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

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