I'm writing a piece in which at some point there is a shift to a new subject called stochastic dynamical systems. The transition looks like follows
...but once dynamical noise is introduced the relevant mathematical framework becomes stochastic dynamical systems.
But this doesn't sound quite right to me. I've considered the following alternative
...but once dynamical noise is introduced the relevant mathematical framework becomes that of stochastic dynamical systems.
Is there a better way of phrasing this?
If there are more appropriate tags for this question please feel free to add them.
or
"When xyz is introduced , the framework transforms into something else?" (Latter does not seem a plausible option, but even then it's better to know)