roots
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21: 2.7 Differential Equations
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►Let , denote the indices or exponents, that is, the roots of the indicial equation
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2.7.8
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►where , are the roots of the characteristic
equation
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2.7.10
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►The transformed differential equation either has a regular singularity at , or its characteristic equation has unequal roots.
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22: Bibliography R
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Asymptotics and Bounds of the Roots of Equations (Russian).
Zinatne, Riga.
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Roots of
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Elliptic hypergeometric series on root systems.
Adv. Math. 181 (2), pp. 417–447.
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23: 4.30 Elementary Properties
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24: Bibliography M
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Affine root systems and Dedekind’s -function.
Invent. Math. 15 (2), pp. 91–143.
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Some conjectures for root systems.
SIAM J. Math. Anal. 13 (6), pp. 988–1007.
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Orthogonal polynomials associated with root systems.
Sém. Lothar. Combin. 45, pp. Art. B45a, 40 pp. (electronic).
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On the roots of the Bessel and certain related functions.
Ann. of Math. 9 (1-6), pp. 23–30.
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Numerical Methods for Roots of Polynomials. Part I.
Studies in Computational Mathematics, Vol. 14, Elsevier, Amsterdam.
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25: 23.15 Definitions
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►In (23.15.9) the branch of the cube root is chosen to agree with the second equality; in particular, when lies on the positive imaginary axis the cube root is real and positive.
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26: Bibliography I
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The real roots of Bernoulli polynomials.
Ann. Univ. Turku. Ser. A I 37, pp. 1–20.
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27: 3.8 Nonlinear Equations
§3.8 Nonlinear Equations
… ►Solutions are called roots of the equation, or zeros of . … ►Let be a sequence of approximations to a root, or fixed point, . …28: 14.28 Sums
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►where the branches of the square roots have their principal values when and are continuous when .
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29: 22.17 Moduli Outside the Interval [0,1]
30: 23.18 Modular Transformations
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►where the square root has its principal value and
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