isolated essential singularity
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31—40 of 98 matching pages
31: Preface
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► Stegun, editors); and to disseminate essentially the same information from a public website operated by NIST.
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32: 14.21 Definitions and Basic Properties
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§14.21(iii) Properties
… ►This includes, for example, the Wronskian relations (14.2.7)–(14.2.11); hypergeometric representations (14.3.6)–(14.3.10) and (14.3.15)–(14.3.20); results for integer orders (14.6.3)–(14.6.5), (14.6.7), (14.6.8), (14.7.6), (14.7.7), and (14.7.11)–(14.7.16); behavior at singularities (14.8.7)–(14.8.16); connection formulas (14.9.11)–(14.9.16); recurrence relations (14.10.3)–(14.10.7). …33: 15.17 Mathematical Applications
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►The three singular points in Riemann’s differential equation (15.11.1) lead to an interesting Riemann sheet structure.
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34: 31.6 Path-Multiplicative Solutions
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►This denotes a set of solutions of (31.2.1) with the property that if we pass around a simple closed contour in the -plane that encircles and once in the positive sense, but not the remaining finite singularity, then the solution is multiplied by a constant factor .
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35: 14.8 Behavior at Singularities
36: 31.4 Solutions Analytic at Two Singularities: Heun Functions
§31.4 Solutions Analytic at Two Singularities: Heun Functions
…37: 36.6 Scaling Relations
38: 29.2 Differential Equations
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►This equation has regular singularities at the points , where , and , are the complete elliptic integrals of the first kind with moduli , , respectively; see §19.2(ii).
In general, at each singularity each solution of (29.2.1) has a branch point (§2.7(i)).
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39: 31.2 Differential Equations
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31.2.1
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►This equation has regular singularities at , with corresponding exponents , , , , respectively (§2.7(i)).
All other homogeneous linear differential equations of the second order having four regular singularities in the extended complex plane, , can be transformed into (31.2.1).
►The parameters play different roles: is the singularity parameter; are exponent parameters; is the accessory parameter.
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