A new HDG method for Dirichlet boundary control of convection diffusion PDEs II: Low regularity

The work of the first author was supported by the National Natural Science Foundation of China under grants 11671391 and 91530204. The work of the second author was partially supported by the DIG and FY 2018 ASR+1 Program at Oklahoma State University. The work of the third author was supported by the Spanish Ministerio de Economía y Competitividad under projects MTM2014-57531-P and MTM2017-83185-P. The work of the fourth and sixth authors was supported in part by National Science Foundation grant DMS-1217122. The fourth and sixth authors also acknowledge the support of the Institute for Mathematics and its Applications at the University of Minnesota in funding research visits, during which some of this work was completed.