This book constitutes the refereed proceedings of the 11th International Conference on Language
and Automata Theory and Applications LATA 2017 held in Umeå Sweden in March 2017. The 31
revised full papers presented together with 4 invited talks were carefully reviewed and
selected from 73 submissions. The papers cover the following topics: algorithmic learning and
semantics automata and logics combinatorics on words compression and pattern matching
complexity finite automata grammars languages and parsing graphs and Petri Nets
non-classical automata and pushdown automata and systems.