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11: 23.15 Definitions
§23.15 Definitions
… ►The set of all bilinear transformations of this form is denoted by SL (Serre (1973, p. 77)). … ►If, as a function of , is analytic at , then is called a modular form. If, in addition, as , then is called a cusp form. …12: 28.12 Definitions and Basic Properties
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§28.12(ii) Eigenfunctions
… ►However, these functions are not the limiting values of as . … ►Again, the limiting values of and as are not the functions and defined in §28.2(vi). …13: 14.19 Toroidal (or Ring) Functions
§14.19 Toroidal (or Ring) Functions
►§14.19(i) Introduction
… ►This form of the differential equation arises when Laplace’s equation is transformed into toroidal coordinates , which are related to Cartesian coordinates by … ►§14.19(iv) Sums
… ►§14.19(v) Whipple’s Formula for Toroidal Functions
…14: 26.9 Integer Partitions: Restricted Number and Part Size
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denotes the number of partitions of into at most parts.
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►Equations (26.9.2)–(26.9.3) are examples of closed forms that can be computed explicitly for any positive integer .
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§26.9(ii) Generating Functions
… ►§26.9(iv) Limiting Form
…15: 14.20 Conical (or Mehler) Functions
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►(14.2.2) takes the form
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§14.20(v) Trigonometric Expansion
… ►From (14.20.9) or (14.20.10) it is evident that is positive for real . … ►where the inverse trigonometric functions take their principal values. …16: 6.16 Mathematical Applications
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►These limits are not approached uniformly, however.
The first maximum of for positive occurs at and equals ; compare Figure 6.3.2.
Hence if and , then the limiting value of overshoots by approximately 18%.
Similarly if , then the limiting value of undershoots by approximately 10%, and so on.
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17: 5.12 Beta Function
18: 20.2 Definitions and Periodic Properties
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