Properties of fourth-order strong mixing rates and its application to random set theory |
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Authors: | Shigeru Mase |
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Affiliation: | Faculty of Integrated Arts and Sciences, Hiroshima University, Hiroshima, Japan |
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Abstract: | We shall define the concept of fourth-order strong mixing rates and study their properties. Results are useful for establishing a condition of the form (*) Σa,b,c |cum(Xo, Xa, Xb, Xc)| < ∞ or ∫|cum(Xo, Xa, Xb, Xc)| da db dc < ∞ for dependent random variables {Xa}. As an application we shall consider an evaluation of a fourth-order strong mixing rate for a random closed set Z (in the sense of Matheron) and derive the condition (*) for {Xa}, Xa being an outcome of a local measurement upon Z. The result is also applicable to point processes which admit clustering representations. |
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Keywords: | Strong mixing rate joint cumulant random closed set Boolean model marked point process model stereology clustering representation |
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