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L^2-Betti numbers of branched covers of hyperbolic manifolds
Published 12 Dec 2024 in math.GT and math.GR | (2412.09508v1)
Abstract: We show that Gromov-Thurston branched covers satisfy the Singer conjecture whenever the degree of the cover is not divisible by a finite set of primes determined by the base manifold and the branch locus.
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