(Part of the results presented in this paper have already appeared in 5])-Abstract We investigate the complexity of the Con-guration REachability Problem (CREP) for two classes of nite weakly predictable cellular automata: the invertible and the additive ones. In both cases we prove that CREP belongs tp the \Arthur-Merlin" class CoAMM2].

the dependence of some thermodynamic properties of spin-polarized liquid 3he such as velocity of sound, adiabatic index, isentropic compressibility and temperature on the spin polarization has been investigated along different isentropic paths. the lennard-jones potential has been used in our calculations. it has been found that for higher values of entropy, the spin polarization has greater ef...

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