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Specifying differential equation that describes a particular set of dynamics.
There are $S$ individuals who are susceptible to infection, and $I$ who are infectious. $S + I = N$, where $N$ is the total size of the population.
Each infectious transmit the disease to a ...
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Uniqueness of an infinite system of linear ODEs
How to prove that $\dot{x}=ax,\space x(0)=1$ has a unique solution if $a,x$ are infinite dimensional matrices?
More specifically, let $Q$ be a bounded infinitesimal generator, i.e. ...
