Fractional Differential Calculus · Volume 14, Issue 2 Quasi-reversibility method for an optimal control of an ill-posed fractional diffusion equation 14-08 Pages 171-212 DOI 10.7153/fdc-2024-14-08 Downloads Short PDF Full PDF PNG Authors Claire Joseph Keywords Riemann-Liouville derivatives Caputo derivative fractional diffusion equation optimal control ill-posed problems Subject classes 35K57 49J20 26A33