
arXiv: 1805.04505
We exhibit an explicit one-parameter smooth family of Poincaré–Einstein metrics on the even-dimensional unit ball whose conformal infinities are the Berger spheres. Our construction is based on a Gibbons–Hawking-type ansätz of Page and Pope. The family contains the hyperbolic metric, converges to the complex hyperbolic metric at one of the ends, and at the other end the ball equipped with our metric collapses to a Poincaré–Einstein manifold of one lower dimension with an isolated conical singularity.
Mathematics - Differential Geometry, Special Riemannian manifolds (Einstein, Sasakian, etc.), Differential Geometry (math.DG), FOS: Mathematics, Conformal structures on manifolds, Berger spheres, 53C25 (Primary) 53A30 (Secondary), unit ball, conformal infinities
Mathematics - Differential Geometry, Special Riemannian manifolds (Einstein, Sasakian, etc.), Differential Geometry (math.DG), FOS: Mathematics, Conformal structures on manifolds, Berger spheres, 53C25 (Primary) 53A30 (Secondary), unit ball, conformal infinities
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