His areas of research include singularly perturbed differential equations , numerical analysis and Shishkin meshes .
Eugene O'Riordan is an author and professor at the Dublin City University School of Mathematical Sciences , Dublin , Ireland .
Eugene O'Riordan 's areas of research include singularly perturbed differential equations , numerical analysis and Shishkin meshes .
Eugene O'Riordan is an author and professor at the Dublin City University School of Mathematical Sciences , Dublin , Ireland .