%0 Journal Article %T Optimal results for a time-fractional inverse diffusion problem under the Hölder type source condition %J Bulletin of the Iranian Mathematical Society %I Iranian Mathematical Society (IMS) %Z 1017-060X %A Cheng, H. %A Gao, J. %A Zhu, P. %D 2015 %\ 08/01/2015 %V 41 %N 4 %P 825-834 %! Optimal results for a time-fractional inverse diffusion problem under the Hölder type source condition %K Ill-posed problem‎ %K ‎time-fractional inverse diffusion problem‎ %K ‎optimal‎ %K ‎regularization‎ %K ‎error estimate‎ %R %X ‎In the present paper we consider a time-fractional inverse diffusion problem‎, ‎where data is given at $x=1$ and the solution is required in the interval $0