symmetries of discrete objects. polytopesSymmetries Symmetries in Graphs, Maps, and Polytopes : 5th SIGMAP Workshop, West Malvern, UK, July 2014 / ed. Jozef Širáň, Robert Jajcay. -- 1. vyd. -- Switzerland : Springer, 2016. -- 332 s. -- (Springer Proceedings in Mathematics & Statistics : ; Volume 159). -- ISBN : 978-3-319-30449-6. -- ISSN : 2194-1009. Širáň, Jozef, 1954-. Jajcay, Robert, 1964-