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singular continuous spectra

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11: 31.1 Special Notation
Sometimes the parameters are suppressed.
12: Bibliography W
  • E. P. Wigner (1959) Group Theory and its Application to the Quantum Mechanics of Atomic Spectra. Pure and Applied Physics. Vol. 5, Academic Press, New York.
  • R. Wong and J. F. Lin (1978) Asymptotic expansions of Fourier transforms of functions with logarithmic singularities. J. Math. Anal. Appl. 64 (1), pp. 173–180.
  • R. Wong (1977) Asymptotic expansions of Hankel transforms of functions with logarithmic singularities. Comput. Math. Appl. 3 (4), pp. 271–286.
  • 13: Bibliography F
  • R. H. Farrell (1985) Multivariate Calculation. Use of the Continuous Groups. Springer Series in Statistics, Springer-Verlag, New York.
  • F. Feuillebois (1991) Numerical calculation of singular integrals related to Hankel transform. Comput. Math. Appl. 21 (2-3), pp. 87–94.
  • P. Flajolet and A. Odlyzko (1990) Singularity analysis of generating functions. SIAM J. Discrete Math. 3 (2), pp. 216–240.
  • A. S. Fokas, B. Grammaticos, and A. Ramani (1993) From continuous to discrete Painlevé equations. J. Math. Anal. Appl. 180 (2), pp. 342–360.
  • A. S. Fokas, A. R. Its, and X. Zhou (1992) Continuous and Discrete Painlevé Equations. In Painlevé Transcendents: Their Asymptotics and Physical Applications, D. Levi and P. Winternitz (Eds.), NATO Adv. Sci. Inst. Ser. B Phys., Vol. 278, pp. 33–47.
  • 14: 1.8 Fourier Series
    If f ( x ) is of period 2 π , and f ( m ) ( x ) is piecewise continuous, then … If f ( x ) and g ( x ) are continuous, have the same period and same Fourier coefficients, then f ( x ) = g ( x ) for all x . … For f ( x ) piecewise continuous on [ a , b ] and real λ , …(1.8.10) continues to apply if either a or b or both are infinite and/or f ( x ) has finitely many singularities in ( a , b ) , provided that the integral converges uniformly (§1.5(iv)) at a , b , and the singularities for all sufficiently large λ . … Let f ( x ) be an absolutely integrable function of period 2 π , and continuous except at a finite number of points in any bounded interval. …
    15: 2.10 Sums and Sequences
    For extensions of the Euler–Maclaurin formula to functions f ( x ) with singularities at x = a or x = n (or both) see Sidi (2004, 2012b, 2012a). … However, if r is finite and f ( z ) has algebraic or logarithmic singularities on | z | = r , then Darboux’s method is usually easier to apply. … in the neighborhood of each singularity z j , again with σ j > 0 . … The singularities of f ( z ) on the unit circle are branch points at z = e ± i α . … For uniform expansions when two singularities coalesce on the circle of convergence see Wong and Zhao (2005). …
    16: 16.21 Differential Equation
    With the classification of §16.8(i), when p < q the only singularities of (16.21.1) are a regular singularity at z = 0 and an irregular singularity at z = . When p = q the only singularities of (16.21.1) are regular singularities at z = 0 , ( 1 ) p m n , and . …
    17: 3.7 Ordinary Differential Equations
    For classification of singularities of (3.7.1) and expansions of solutions in the neighborhoods of singularities, see §2.7. … Let ( a , b ) be a finite or infinite interval and q ( x ) be a real-valued continuous (or piecewise continuous) function on the closure of ( a , b ) . … If q ( x ) is C on the closure of ( a , b ) , then the discretized form (3.7.13) of the differential equation can be used. … The order estimate O ( h 5 ) holds if the solution w ( z ) has five continuous derivatives. … The order estimates O ( h 5 ) hold if the solution w ( z ) has five continuous derivatives. …
    18: 33.2 Definitions and Basic Properties
    §33.2(i) Coulomb Wave Equation
    This differential equation has a regular singularity at ρ = 0 with indices + 1 and , and an irregular singularity of rank 1 at ρ = (§§2.7(i), 2.7(ii)). … the branch of the phase in (33.2.10) being zero when η = 0 and continuous elsewhere. …
    19: 31.5 Solutions Analytic at Three Singularities: Heun Polynomials
    §31.5 Solutions Analytic at Three Singularities: Heun Polynomials
    is a polynomial of degree n , and hence a solution of (31.2.1) that is analytic at all three finite singularities 0 , 1 , a . …
    20: 1.13 Differential Equations
    u and z belong to domains U and D respectively, the coefficients f ( u , z ) and g ( u , z ) are continuous functions of both variables, and for each fixed u (fixed z ) the two functions are analytic in z (in u ). …
    §1.13(vi) Singularities
    For classification of singularities of (1.13.1) and expansions of solutions in the neighborhoods of singularities, see §2.7. … As the interval [ a , b ] is mapped, one-to-one, onto [ 0 , c ] by the above definition of t , the integrand being positive, the inverse of this same transformation allows q ^ ( t ) to be calculated from p , q , ρ in (1.13.31), p , ρ C 2 ( a , b ) and q C ( a , b ) . …