%0 Journal Article %T A Note on a Semilinear Fractional Differential Equation of Neutral Type with Infinite Delay %A Gisle M. Mophou %A Gaston M. N' %A Gué %A ré %A kata %J Advances in Difference Equations %D 2010 %I Springer %R 10.1155/2010/674630 %X We deal in this paper with the mild solution for the semilinear fractional differential equation of neutral type with infinite delay: D¦Áx(t)+Ax(t)=f(t,xt), t¡Ê[0,T], x(t)= (t), t¡Ê] ¡Þ,0], with T>0 and 0<¦Á<1. We prove the existence (and uniqueness) of solutions, assuming that A is a linear closed operator which generates an analytic semigroup (T(t))t¡Ý0 on a Banach space by means of the Banach's fixed point theorem. This generalizes some recent results. %U http://dx.doi.org/10.1155/2010/674630