what we do markov chain models of metastasis evolutionary games and cancer tumor heterogeneity and entropy chemotherapeutic resistance circulating tumor cell dynamics cell morphology and machine learning vortex dynamics vortex lattices locomotion and swimming games and rankings nonlinear dynamics markov chain models of metastasis evolutionary games and cancer tumor heterogeneity and entropy chemotherapeutic resistance circulating tumor cell dynamics cell morphology and machine learning medical data analysis vortex dynamics vortex lattices locomotion and swimming games and rankings nonlinear dynamics