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Singularities of gaussian random maps into the plane

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Abstract

We compute the expected value of various quantities related to the biparametric singularities of a pair of smooth centered Gaussian random fields on an n-dimensional compact manifold, such as the lengths of the critical curves and contours of a fixed index and the number of cusps. We obtain certain expressions under no particular assumptions other than smoothness of the two fields, but more explicit formulae are derived under varying levels of additional constraints such as the two random fields being i.i.d, stationary, isotropic etc.

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Notes

  1. Generic refers to a set of functions that is open and dense in an appropriate metric on the space of smooth functions.

References

  • Auffinger, A., Arous, G.B.: Complexity of random smooth functions on the high-dimensional sphere. Ann. Probability 41(6), 4214–4247 (2013)

    Article  MathSciNet  MATH  Google Scholar 

  • Auffinger, A., Arous, G.B., Cerny, J.: Random matrices and complexity of spin glasses. Commun. Pure Appl. Math. 66(2), 165–201 (2013)

    Article  MathSciNet  MATH  Google Scholar 

  • Mishal Assif, P.K., Baryshnikov,Yuliy.: Biparametric persistence for smooth filtrations. (2021). arXiv preprint arXiv:2110.09602

  • Adler, R., Taylor, J.: Random fields and geometry. Springer-Verlag, New York (2007)

    MATH  Google Scholar 

  • Adler,R.J., Taylor,J.E., Worsley,K.J.: Applications of random fields and geometry: Foundations and case studies. (2010)

  • Azais, J.M., Wschebor, M.: Level sets and extrema of random processes and fields. Wiley, Newyork (2009)

    Book  MATH  Google Scholar 

  • Bobrowski, O., Adler, R.: Distance functions, critical points, and the topology of random cech complexes. Homol. Homotopy Appl. 16(2), 311–344 (2014)

    Article  MATH  Google Scholar 

  • Baryshnikov,Y.: Time series, persistent homology and chirality. (2019). arXiv preprint arXiv:1909.09846

  • Bardeen, J.M., Bond, J.R., Kaiser, N., Szalay, A.S.: The statistics of peaks of gaussian random fields. Astrophys. J. 304, 15–61 (1986)

    Article  Google Scholar 

  • Bubenik,P., Catanzaro,M.J.: Multiparameter persistent homology via generalized morse theory. (2021). arXiv preprint arXiv:2107.08856

  • Botnan, M.B., Hirsch, C.: On the consistency and asymptotic normality of multiparameter persistent betti numbers. J. Appl. Comput. Topol. (2022)

  • Bobrowski, O., Kahle, M.: Topology of random geometric complexes: a survey. J. Appl. Comput. Topol. 1(3), 331–364 (2018)

    Article  MathSciNet  MATH  Google Scholar 

  • Budney,R., Kaczynski,T.: Bi-filtrations and persistence paths for 2-morse functions. (2021). arXiv preprint arXiv:2110.08227

  • Cerri, A., Ethier, M., Frosini, P.: On the geometrical properties of the coherent matching distance in 2D persistent homology. J. Appl. Comput. Topol. 3(4), 381–422 (2019)

    Article  MathSciNet  MATH  Google Scholar 

  • Cheng, D., Schwartzman, A.: Expected number and height distribution of critical points of smooth isotropic gaussian random fields. Bernoulli 24(4B), 3422 (2018)

    Article  MathSciNet  MATH  Google Scholar 

  • Golubitsky, M., Guillemin, V.: Stable mappings and their singularities, vol. 14. Springer Science & Business Media, Newyork (2012)

    MATH  Google Scholar 

  • Krishnapur, M., Kurlberg, P., Wigman, I.: Nodal length fluctuations for arithmetic random waves. Ann. Math. 177, 699–737 (2013)

    Article  MathSciNet  MATH  Google Scholar 

  • Longuet-Higgins, M.S.: Reflection and refraction at a random moving surface ii number of specular points in a gaussian surface. JOSA 50(9), 845–850 (1960)

    Article  MathSciNet  Google Scholar 

  • Stecconi, M.: Random differential topology. (2021). arXiv preprint arXiv:2110.15694

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Correspondence to P. K. Mishal Assif.

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Assif, P.K.M. Singularities of gaussian random maps into the plane. J Appl. and Comput. Topology 7, 491–525 (2023). https://doi.org/10.1007/s41468-023-00113-0

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