TY - GEN AU - González, Antonio AU - Puertas González, María Luz PY - 2019 SN - 2227-7390 UR - http://hdl.handle.net/10835/7486 AB - Determining vertex subsets are known tools to provide information about automorphism groups of graphs and, consequently about symmetries of graphs. In this paper, we provide both lower and upper bounds of the minimum size of such vertex subsets,... LA - en PB - MDPI KW - graph KW - automorphism group KW - determining number KW - cograph KW - unit interval graph TI - Removing Twins in Graphs to Break Symmetries ER -