%0 Journal Article %T Polynomial and rational integrability of polynomial Hamiltonian systems %A Jaume Llibre %A Cristina Stoica %A Claudia Valls %J Electronic Journal of Differential Equations %D 2012 %I Texas State University %X Within the class of canonical polynomial Hamiltonian systems anti-symmetric under phase-space involutions, we generalize some results on the existence of Darboux polynomial and rational first integrals for "kinetic plus potential" systems to general systems. %K Polynomial Hamiltonian systems %K polynomial first integrals %K rational first integrals %K Darboux polynomial %U http://ejde.math.txstate.edu/Volumes/2012/108/abstr.html