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Article Dans Une Revue Random Structures and Algorithms Année : 2015

Realisability conditions for second order marginals of biphased media

Résumé

This paper concerns the second order marginals of biphased random media. We give discriminating necessary conditions for a bivariate function to be such a valid marginal, and illustrate our study with two practical applications: (1) the spherical variograms are valid indicator variograms if and only if they are multiplied by a sufficiently small constant, which upper bound is estimated, and (2) not every covariance/indicator variogram can be obtained with a Gaussian level set. The theoretical results backing this study are contained in a companion paper.
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Dates et versions

hal-00799443 , version 1 (12-03-2013)

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Raphaël Lachièze-Rey. Realisability conditions for second order marginals of biphased media. Random Structures and Algorithms, 2015, 47 (3), pp.588-604. ⟨10.1002/rsa.20546⟩. ⟨hal-00799443⟩
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