Fundamentals of Computation Theory 22nd International Symposium, FCT 2019, Copenhagen, Denmark, August 12-14, 2019, Proceedings - Gąsieniec, Leszek Antoni; Gąsieniec, Leszek Antoni; Jansson, Jesper; Jansson, Jesper; Levcopoulos, Christos; Levcopoulos, Christos (Springer International Publishing : Imprint: Springer, 2019)