Picking Knots from Trees - The Syntactic Structure of Celtic Knotwork
Diagrams '00 Proceedings of the First International Conference on Theory and Application of Diagrams
Criteria to disprove context freeness of collage languages
Theoretical Computer Science
Table-driven and context-sensitive collage languages
Journal of Automata, Languages and Combinatorics
Branching synchronization grammars with nested tables
Journal of Computer and System Sciences
Incomparability results for classes of polynomial tree series transformations
Journal of Automata, Languages and Combinatorics
Several aspects of context freeness for hyperedge replacement grammars
WSEAS Transactions on Computers
About normal forms for hyperedge replacement grammars
ICCOMP'08 Proceedings of the 12th WSEAS international conference on Computers
Hyperedge replacement languages and pushdown automata
MACMESE'08 Proceedings of the 10th WSEAS international conference on Mathematical and computational methods in science and engineering
Branching grammars: a generalization of ET0L systems
DLT'03 Proceedings of the 7th international conference on Developments in language theory
Learning a regular tree language from a teacher
DLT'03 Proceedings of the 7th international conference on Developments in language theory
About graph and hypergraph context free grammars
Proceedings of the 15th WSEAS international conference on Computers
Selected decision problems for square-refinement collage grammars
Algebraic Foundations in Computer Science
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