Dimension Reduction via Colour Refinement. - Martin Grohe; Kristian Kersting; Martin Mladenov; Erkal Selman (ESA, 2014)

Definability of Cai-Fürer-Immerman Problems in Choiceless Polynomial Time. - Wied Pakusa; Svenja Schalthöfer; Erkal Selman (ACM Trans. Comput. Log., 2018)

Graphs Identified by Logics with Counting. - Sandra Kiefer; Pascal Schweitzer; Erkal Selman (ACM Trans. Comput. Log., 2022)