A nondeterministic analog of CP. Defined in [SF98], which should be consulted for the definition (it has something to do with strange attractors, I think).
The authors raise the question of whether CP equals CNP.
Same as CLOG, except that the convergence time can be polynomial rather than logarithmic in the input size.
Defined in [BSF02] and [SF98].
Finding a maximum flow, which is P-complete, can be done in CP [BSF02]. Based on this the authors argue that "P is contained in CP," but this seems hard to formalize, since CP is not a complexity class in the usual sense. They also conjecture that "CP is contained in P" (i.e. the class of ODE's they consider can be integrated efficiently on a standard Turing machine), but this is open.
Contained in CNP.