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The structure of idealization in biological theories:the case of the Wright-Fisher model
idealization theory biology possible worlds
2016/5/30
In this paper we present a new framework of idealization in biology. We characterize idealizations as a network of counterfactual and hypothetical conditionals that can exhibit different “degrees of c...
Spectral methods for bivariate Markov processes with diffusion and discrete components and a variant of the Wright-Fisher model
Bivariate Markov processes switching di usions matrix-valued orthogonal functions Wright-Fisher models
2011/9/14
Abstract: The aim of this paper is to study differential and spectral properties of the infinitesimal operator of two dimensional Markov processes with diffusion and discrete components. The infinites...
The frequency-dependent Wright-Fisher model: diffusive and non-diffusive approximations
frequency-dependent Wright-Fisher model non-diffusive approximations Analysis of PDEs
2011/9/30
Abstract: We study a class of processes that are akin to the Wright-Fisher model, with transition probabilities weighted in terms of the frequency-dependent fitness of the population types. Following ...