reparametrization of integration paths
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21—30 of 171 matching pages
21: 6.12 Asymptotic Expansions
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22: 3.7 Ordinary Differential Equations
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►Assume that we wish to integrate (3.7.1) along a finite path
from to in a domain .
The path is partitioned at points labeled successively , with , .
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►Now suppose the path
is such that the rate of growth of along is intermediate to that of two other solutions.
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►The larger the absolute values of the eigenvalues that are being sought, the smaller the integration steps need to be.
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23: 5.13 Integrals
24: 15.6 Integral Representations
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►In all cases the integrands are continuous functions of on the integration paths, except possibly at the endpoints.
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►In (15.6.3) the point lies outside the integration contour, the contour cuts the real axis between and , at which point and .
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►In (15.6.5) the integration contour starts and terminates at a point on the real axis between and .
…If desired, and as in Figure 5.12.3, the upper integration limit in (15.6.5) can be replaced by .
However, this reverses the direction of the integration contour, and in consequence (15.6.5) would need to be multiplied by .
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25: 8.2 Definitions and Basic Properties
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►without restrictions on the integration paths.
However, when the integration paths do not cross the negative real axis, and in the case of (8.2.2) exclude the origin, and take their principal values; compare §4.2(i).
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26: Alexander A. Its
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►Current research areas of Its are mathematical physics, special functions, and integrable systems.
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► Novokshënov), published by Springer in 1986, Algebro-geometric Approach to Nonlinear Integrable Problems (with E.
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27: Vadim B. Kuznetsov
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►Kuznetsov published papers on special functions and orthogonal polynomials, the quantum scattering method, integrable discrete many-body systems, separation of variables, Bäcklund transformation techniques, and integrability in classical and quantum mechanics.
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28: 21.7 Riemann Surfaces
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►Note that for the purposes of integrating these holomorphic differentials, all cycles on the surface are a linear combination of the cycles , , .
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►where and are points on , , and the path of integration on from to is identical for all components.
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►where again all integration paths are identical for all components.
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29: 9.14 Incomplete Airy Functions
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►Incomplete Airy functions are defined by the contour integral (9.5.4) when one of the integration limits is replaced by a variable real or complex parameter.
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30: Alexander I. Bobenko
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►Bobenko’s books are Algebro-geometric Approach to Nonlinear Integrable Problems (with E.
… Eitner), published by Springer in 2000, and Discrete Differential Geometry: Integrable Structure (with Y.
…He is also coeditor of Discrete Integrable Geometry and Physics (with R.
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