The Order of Growth of Meromorphic Solutions for Some Difference Painleve Equations

By utilizing the difference analogue of Nevanlinna's value distribution theory of meromorphic functions, the order of growth of meromorphic solutions of certain difference Painlev\acutee equation I and difference Painlev\acutee equation II is investigated and some important results are obtained. The accurate estimate of the order of growth of meromorphic solutions to certain difference Painlev\acutee equation I and difference Painlev\acutee equation II is attained under the given conditions.