theta%0Afunctions
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21: 20.13 Physical Applications
§20.13 Physical Applications
… ►with . … ►Thus the classical theta functions are “periodized”, or “anti-periodized”, Gaussians; see Bellman (1961, pp. 18, 19). … ►In the singular limit , the functions , , become integral kernels of Feynman path integrals (distribution-valued Green’s functions); see Schulman (1981, pp. 194–195). This allows analytic time propagation of quantum wave-packets in a box, or on a ring, as closed-form solutions of the time-dependent Schrödinger equation.22: 23.15 Definitions
§23.15 Definitions
… ►In §§23.15–23.19, and denote the Jacobi modulus and complementary modulus, respectively, and () denotes the nome; compare §§20.1 and 22.1. … ►If, as a function of , is analytic at , then is called a modular form. If, in addition, as , then is called a cusp form. … ►23: 32.6 Hamiltonian Structure
24: 20.10 Integrals
§20.10 Integrals
►§20.10(i) Mellin Transforms with respect to the Lattice Parameter
… ►§20.10(ii) Laplace Transforms with respect to the Lattice Parameter
… ►For corresponding results for argument derivatives of the theta functions see Erdélyi et al. (1954a, pp. 224–225) or Oberhettinger and Badii (1973, p. 193). … ►For further integrals of theta functions see Erdélyi et al. (1954a, pp. 61–62 and 339), Prudnikov et al. (1990, pp. 356–358), Prudnikov et al. (1992a, §3.41), and Gradshteyn and Ryzhik (2000, pp. 627–628).25: 21.7 Riemann Surfaces
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§21.7(i) Connection of Riemann Theta Functions to Riemann Surfaces
►In almost all applications, a Riemann theta function is associated with a compact Riemann surface. … ►is a Riemann matrix and it is used to define the corresponding Riemann theta function. … ►§21.7(ii) Fay’s Trisecant Identity
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27: 25.19 Tables
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28: 14.18 Sums
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►In (14.18.1) and (14.18.2), , , and all lie in , and is real.
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►In (14.18.3), lies in , and both lie in , , is real, and .
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►In these formulas the Legendre functions are as in §14.3(ii) with .
The formulas are also valid with the Ferrers functions as in §14.3(i) with .
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29: 19.23 Integral Representations
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►In (19.23.1)–(19.23.3) we assume and .
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19.23.3
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►where , , and have positive real parts—except that at most one of them may be 0.
►In (19.23.8)–(19.23.10) one or more of the variables may be 0 if the integral converges.
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►With denoting any permutation of , , ,
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30: 14.33 Tables
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Abramowitz and Stegun (1964, Chapter 8) tabulates for , , 5–8D; for , , 5–7D; and for , , 6–8D; and for , , 6S; and for , , 6S. (Here primes denote derivatives with respect to .)
Zhang and Jin (1996, Chapter 4) tabulates for , , 7D; for , , 8D; for , , 8S; for , , 8D; for , , , , 8S; for , , 8S; for , , , 5D; for , , 7S; for , , 8S. Corresponding values of the derivative of each function are also included, as are 6D values of the first 5 -zeros of and of its derivative for , .
Belousov (1962) tabulates (normalized) for , , , 6D.
Žurina and Karmazina (1963) tabulates the conical functions for , , 7S; for , , 7S. Auxiliary tables are included to assist computation for larger values of when .