dilated
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3 matching pages
1: 18.1 Notation
2: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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►This dilatation transformation, which does require analyticity of in (1.18.28), or an analytic approximation thereto, leaves the poles, corresponding to the discrete spectrum, invariant, as they are, as is the branch point, actual singularities of .
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3: Bibliography S
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Resonances in -body quantum systems with dilatation analytic potentials and the foundations of time-dependent perturbation theory.
Ann. of Math. (2) 97, pp. 247–274.
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