Spread rates of spread models with frozen symbols
Spread rates of spread models with frozen symbols
Abstract This article aims to compare the long-term behavior of a spread model before and after a type in the model becomes frozen, namely, a type of which an individual only produces individuals of the same type. By means of substitution dynamical systems and matrix analysis, the first result of this work gives the spread rates of a 1-spread model with one frozen symbol. Later, in the work, this is shown to hold under more general settings, which include generalized frozen symbols and frozen symbols in 𝑚-spread models. Numerical experiments are provided as supporting evidence for the theory.
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