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On the invariance principle for a characteristic function (2112.14179v4)
Published 28 Dec 2021 in math.SP, math-ph, and math.MP
Abstract: We extend the invariance principle for a characteristic function of a dissipative operator with respect to the group of affine transformations of the real axis preserving the orientation to the case of general $SL_2(\bbR)$ transformations.
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