Isotopic boundary genericity conjecture for Riemannian metrics

Let MM be an open smooth nn-manifold with a Riemannian metric gg, and let α:NM\alpha:N\subset M be a smooth compact codimension-one submanifold. An isotopy A:N×[0,1]MA:N\times[0,1]\to M is small when it is a sufficiently small smooth isotopy of the embedding α\alpha. Isotopic boundary genericity conjecture. There is a small smooth isotopy AA such that the geodesic flow vgv^g is boundary generic with respect to the submanifold obtained by restricting SMMSM\to M to A(N×{1})A(N\times\{1\}).

The conjecture proposes that boundary genericity can be achieved by a small perturbation of the embedded hypersurface rather than by changing the metric. The surrounding text presents it as the density half of a broader genericity claim and gives no resolution.

Sources & referencesView supporting material

Primary source

Gabriel Katz, “Causal Holography in Application to the Inverse Scattering Problems”, arXiv:1703.08874 (2018).

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