Affine processes provide a versatile framework for modelling complex financial phenomena, ranging from interest rate dynamics to credit risk and beyond. Their defining characteristic is the affine, or ...
The rapid rate at which severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants emerge poses a threat to attaining herd immunity against the coronavirus disease 2019 (COVID-19). Multiple ...
Limit theorems are proved for two stochastic models of molecular evolution in finite populations of fixed size. An additive fitness model is shown to be asymptotically neutral in the sense that the ...
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