Bispectrum and a non-linear model for a non-Gaussian homogenous and isotropic field in 3D
Authors:
György Terdik and László Nádai
Journal:
Theor. Probability and Math. Statist. 95 (2017), 153-172
MSC (2010):
Primary 60G60, 62M15; Secondary 62M30
DOI:
https://doi.org/10.1090/tpms/1027
Published electronically:
February 28, 2018
MathSciNet review:
3631649
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Abstract: The so-called bispectrum is a widely used construction for analyzing non-linear time series. In this paper the generalized bispectrum of a homogenous and isotropic stochastic field in 3D is introduced. The isotropy is considered in third order, and we give some necessary and sufficient conditions for isotropy of homogenous random fields. The spatial three-point correlation function (bicovariance function) is given by the bispectrum in terms of a kernel function, which is a superposition of spherical Bessel-functions and Legendre-polynomials. In return, the same kernel function is used in expressing the bispectrum by the bicovariance function. As an example, we generalize a model for non-Gaussian fields, which is the sum of a Gaussian field and its 2nd degree Hermite-polynomial. This model can be applied as an alternative to the Gaussian one used in Cosmology for non-Gaussian CMB temperature fluctuations.
References
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References
- M. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, Reprint of the 1972 edition, Dover Publications Inc., New York, 1992, MR 1225604
- PAR Ade, N. Aghanim, C. Armitage-Caplan, M. Arnaud, M. Ashdown, F. Atrio-Barandela, J. Aumont, C. Baccigalupi, Anthony J Banday, R. B. Barreiro, et al., Planck 2013 results. xxiv. constraints on primordial non-gaussianity, Astronomy & Astrophysics 571 (2014), A24.
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- G. Arfken and H. J. Weber, Mathematical Methods for Physicists, Academic Press, HAP, New York–San Diego–London, 2001. MR 1810939
- D. R. Brillinger, An introduction to polyspectra, Ann. Math. Statistics 36 (1965), 1351–1374. MR 0182109
- R. L. Dobrushin, Gaussian and their subordinated generalized fields, Ann. of Probability 7 (1979), no. 1, 1–28. MR 515810
- I. Dubovetska, O. Masyutka, and M. Moklyachuk, Estimation problems for periodically correlated isotropic random fields, Methodology and Computing in Applied Probability 17 (2015), no. 1, 41–57. MR 3306670
- A. R. Edmonds, Angular Momentum in Quantum Mechanics, Princeton University Press, 1957. MR 0095700
- A. Erdélyi, W. Magnus, F. Oberhettinger, and F. G. Tricomi, Higher Transcendental Functions, vol. I, Based on notes left by Harry Bateman, with a preface by Mina Rees, with a foreword by E. C. Watson, Reprint of the 1953 original, Robert E. Krieger Publishing Co. Inc., Melbourne, Fla., 1981. MR 698779
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- I. S. Gradshteyn and I. M. Ryzhik, Table of Integrals, Series, and Products, Sixth ed., Translated from the Russian, Translation edited and with a preface by Alan Jeffrey and Daniel Zwillinger, Academic Press Inc., San Diego, CA, 2000. MR 1773820
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- E. Komatsu, D. N. Spergel, and B. D. Wandelt, Measuring primordial non-Gaussianity in the cosmic microwave background, The Astrophysical Journal 634 (2005), no. 1, 14.
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- N. N. Leonenko, Statistical Analysis of Random Fields, vol. 28, Springer, 1989.
- N. N. Leonenko and A Olenko, Tauberian and Abelian theorems for correlation function of a homogeneous isotropic random field, Ukrainian Mathematical Journal 43 (1991), no. 12, 1539–1548. MR 1172306
- N. N. Leonenko and A. Olenko, Tauberian and Abelian theorems for long-range dependent random fields, Methodology and Computing in Applied Probability 15 (2013), no. 4, 715–742. MR 3117624
- J. D. Louck, Springer Handbook of Atomic, Molecular, and Optical Physics, Angular Momentum Theory (Drake, ed.), Springer Science+Business Media, Inc., New York, 2006.
- C. Ma, Spatio-temporal covariance functions generated by mixtures, Mathematical geology 34 (2002), no. 8, 965–975. MR 1951438
- P. Major, Multiple Wiener–Itô Integrals, Lecture Notes in Mathematics, vol. 849, Springer-Verlag, New York, 1981. MR 611334
- J. M. Nichols, C. C. Olson, J. V. Michalowicz, and F. Bucholtz, The bispectrum and bicoherence for quadratically nonlinear systems subject to non-Gaussian inputs, IEEE Transactions on Signal Processing 57 (2009), no. 10, 3879–3890. MR 2649891
- A. P. Prudnikov, Yu. A. Brychkov, and O. I. Marichev, Integrals and Series, vol. 2, Special functions, Translated from the Russian by N. M. Queen, Gordon & Breach Science Publishers, New York, 1986. MR 874987
- E. M. Stein and G. Weiss, Introduction to Fourier Analysis on Euclidean Spaces, Princeton Mathematical Series, no. 32, Princeton University Press, Princeton, N.J., 1971. MR 0304972
- Gy. Terdik, Bilinear Stochastic Models and Related Problems of Nonlinear Time Series Analysis; a Frequency Domain Approach, Lecture Notes in Statistics, vol. 142, Springer Verlag, New York, 1999. MR 1702281
- Gy. Terdik, Bispectrum for non-Gaussian Homogenous and Isotropic Field on the Plane, Publicationes Mathematicae Debrecen 84 (2014), no. 1–2, 303–318. MR 3194789
- Gy. Terdik, Angular spectra for non-Gaussian isotropic fields, Braz. J. Probab. Stat. 29 (2015), no. 4, 833–865. MR 3397396
- Gy. Terdik, Trispectrum and Higher Order Spectra for non-Gaussian Homogenous and Isotropic Field on the Plane, arXiv preprint arXiv:1307.4621, 2016. MR 3666643
- D. A. Varshalovich, A. N. Moskalev, and V. K. Khersonskii, Quantum Theory of Angular Momentum, World Scientific Press, 1988. MR 1022665
- L. Wang and M. Kamionkowski, Cosmic microwave background bispectrum and inflation, Physical Review D 61 (2000), no. 6, 063504.
- S. Weinberg, Cosmology, Oxford University Press, 2008. MR 2410479
- M. Ĭ. Yadrenko, Spectral Theory of Random Fields, Translated from the Russian, Optimization Software Inc. Publications Division, New York, 1983. MR 697386
- A. M. Yaglom, Correlation Theory of Stationary Related Random Functions, vol. I, Springer-Verlag, New York, 1987. MR 893393
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Additional Information
György Terdik
Affiliation:
Faculty of Informatics, University of Debrecen, Hungary
Email:
terdik.gyorgy@inf.unideb.hu
László Nádai
Affiliation:
John von Neumann Faculty of Informatics, Óbuda University, Budapest, Hungary
Email:
nadai@uni-obuda.hu
Keywords:
Bispectrum,
homogenous fields,
isotropic fields,
bicovariance,
spherical Bessel-functions
Received by editor(s):
October 31, 2016
Published electronically:
February 28, 2018
Dedicated:
Dedicated to Professor Nikolai N. Leonenko on the occasion of his 65th birthday
Article copyright:
© Copyright 2018
American Mathematical Society