infinite trees;
tree algebras;
regular languages;
monads;
D O I:
10.23638/LMCS-16(1:16)2020
中图分类号:
TP301 [理论、方法];
学科分类号:
081202 ;
摘要:
We introduce a class of algebras that can be used as recognisers for regular tree languages. We show that it is the only such class that forms a pseudo-variety and we prove the existence of syntactic algebras. Finally, we give a more algebraic characterisation of the algebras in our class.