Abstract
We have discussed cylindrically symmetric models with the Kasnerian time evolution incorporating heat flow and null radiation flow with the perfect fluid. In the case of heat flow the Kasner spacetime is the matter-free limit of the model. We establish a general result that a static perfect fluid distribution will on Kasnerization (introduce t 4/3 , t 4/3 , and t −2/3 in the coefficients of dr 2 , dΦ 2 , and dz 2 ) yield a time-dependent distribution with the same equation of state and with or without heat flow
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