Dimitra Plaka is a 3rd year Ph.D candidate at School of Applied Mathematical and Physical Sciences at National Technical University of Athens under the supervision of Konstantinos Chrysafinos and Emmanuil H. Georgoulis. She received her Master’s degree in Applied Mathematics from the same university in 2017 and her Bachelor’s degree in Mathematics from University of Patras in 2015. Her research focuses on α posteriori error analysis and optimal control for phase-field problems