resolvent
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1: Viewing DLMF Interactive 3D Graphics
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►Until these issues are resolved we cannot guarantee that the DLMF WebGL visualizations can be viewed in Internet Explorer.
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2: 1.11 Zeros of Polynomials
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►For the roots of and the roots of the resolvent cubic equation
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►Resolvent cubic is with roots , , , and , , .
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3: 1.18 Linear Second Order Differential Operators and Eigenfunction Expansions
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►this being a matrix element of the resolvent
, this being a key quantity in many parts of physics and applied math, quantum scattering theory being a simple example, see Newton (2002, Ch. 7).
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1.18.66
, .
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►In unusual cases , even for all , such as in the case of the Schrödinger–Coulomb problem () discussed in §18.39 and §33.14, where the point spectrum actually accumulates at the onset of the continuum at , implying an essential singularity, as well as a branch point, in matrix elements of the resolvent, (1.18.66).
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►The resolvent set
consists of all such that (i) is injective, (ii) is dense in , (iii) the resolvent
is bounded.
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4: 28.14 Fourier Series
5: 20.1 Special Notation
6: 4.21 Identities
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►In (4.21.21)–(4.21.23) Table 4.16.1 and analytic continuation will assist in resolving sign ambiguities.
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7: 28.4 Fourier Series
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►Ambiguities in sign are resolved by (28.4.13)–(28.4.16) when , and by continuity for the other values of .
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8: 28.31 Equations of Whittaker–Hill and Ince
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►ambiguities in sign being resolved by requiring and to be continuous functions of and positive when .
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9: 1.6 Vectors and Vector-Valued Functions
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►Thus pairs of indefinite suffices in an expression are resolved by being summed over (or “traced” over).
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