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Fractal Weyl laws for asymptotically hyperbolic manifolds

机译:渐近双曲流形的分形Weyl定律

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摘要

For asymptotically hyperbolic manifolds with hyperbolic trapped sets we prove a fractal upper bound on the number of resonances near the essential spectrum, with power determined by the dimension of the trapped set. This covers the case of general convex cocompact quotients (including the case of connected trapped sets) where our result implies a bound on the number of zeros of the Selberg zeta function in disks of arbitrary size along the imaginary axis. Although no sharp fractal lower bounds are known, the case of quasifuchsian groups, included here, is most likely to provide them.
机译:对于具有双曲被陷集的渐近双曲流形,我们证明了在基本频谱附近的共振数的分形上限,其功效由被陷集的维数确定。这涵盖了一般凸协紧商(包括连接的陷集的情况)的情况,其中我们的结果暗示了沿虚轴的任意大小的磁盘中Selberg zeta函数的零个数有界。尽管尚无清晰的分形下界,但此处包括的拟群形式很可能提供了它们。

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