On Möbius Duality and Coarse-Graining

Thierry Huillet () and Servet Martínez ()
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Thierry Huillet: CNRS-UMR 8089 et Université de Cergy-Pontoise
Servet Martínez: Universided de Chile

Journal of Theoretical Probability, 2016, vol. 29, issue 1, 143-179

Abstract: Abstract We study duality relations for zeta and Möbius matrices and monotone conditions on the kernels. We focus on the cases of families of sets and partitions. The conditions for positivity of the dual kernels are stated in terms of the positive Möbius cone of functions, which is described in terms of Sylvester formulae. We study duality under coarse-graining and show that an $$h$$ h -transform is needed to preserve stochasticity. We give conditions in order that zeta and Möbius matrices admit coarse-graining, and we prove they are satisfied for sets and partitions. This is a source of relevant examples in genetics on the haploid and multi-allelic Cannings models.

Keywords: Duality; Möbius matrices; Coarse-graining; Partitions; Sylvester formula; Coalescence; 05A18; 60J10; 92D25 (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s10959-014-0569-5

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