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Documents  Etheridge, Alison | enregistrements trouvés : 3

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- viii; 119 p.
ISBN 978-3-642-16631-0

Lecture notes in mathematics , 2012

Localisation : Collection 1er étage

dynamique des popullations # modèlisation mathématique # processus aléatoire

92-02 ; 92D25 ; 60K40 ; 00A71

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- x; 337 p.
ISBN 978-0-521-48319-3

London mathematical society lecture note series , 0216

Localisation : Collection 1er étage

équation différencielle aux différences partielles # EDP stochastique # analyse stochastique

00B25 ; 60-06 ; 60Hxx

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Research talks;Probability and Statistics

The infinitesimal model is based on the assumption that, conditional on the pedigree, the joint distribution of trait values is multivariate normal, then, selecting parents does not alter the variance amongst offspring. We explain how the infinitesimal model extends to include dominance as well as epistasis. Then, the evolution of a population depends on just a few quantities, which define the components of genetic variance and the inbreeding depression. In practice, the main difficulty in applying the infinitesimal model in the presence of dominance is that one must calculate the probabilities of identity by descent amongst up to four genes, which means that very many identity coefficients must be traced. We show how these coefficients can be calculated and approximated, allowing the infinitesimal model to be applied to help understand the evolutionary consequences of inbreeding depression. The infinitesimal model is based on the assumption that, conditional on the pedigree, the joint distribution of trait values is multivariate normal, then, selecting parents does not alter the variance amongst offspring. We explain how the infinitesimal model extends to include dominance as well as epistasis. Then, the evolution of a population depends on just a few quantities, which define the components of genetic variance and the inbreeding ...

60F05 ; 60K30 ; 92D10

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