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ENTCS
2008
89views more  ENTCS 2008»
13 years 4 months ago
Undecidable Properties on Length-Two String Rewriting Systems
Length-two string rewriting systems are length preserving string rewriting systems that consist of length-two rules. This paper shows that both of termination and confluence for l...
Masahiko Sakai, Yi Wang
STACS
2007
Springer
13 years 11 months ago
Reachability in Unions of Commutative Rewriting Systems Is Decidable
We consider commutative string rewriting systems (Vector Addition Systems, Petri nets), i.e., string rewriting systems in which all pairs of letters commute. We are interested in r...
Mikolaj Bojanczyk, Piotr Hoffman
AAECC
2008
Springer
110views Algorithms» more  AAECC 2008»
13 years 5 months ago
Adding constants to string rewriting
We consider unary term rewriting, i.e., term rewriting with unary signatures where all function symbols are either unary or constants. Terms over such signatures can be transformed...
René Thiemann, Hans Zantema, Jürgen Gi...
FSTTCS
2010
Springer
13 years 2 months ago
Uniqueness of Normal Forms is Decidable for Shallow Term Rewrite Systems
Uniqueness of normal forms (UN= ) is an important property of term rewrite systems. UN= is decidable for ground (i.e., variable-free) systems and undecidable in general. Recently ...
Nicholas Radcliffe, Rakesh M. Verma
RTA
1993
Springer
13 years 9 months ago
Total Termination of Term Rewriting
Usually termination of term rewriting systems TRS's is proved by means of a monotonic well-founded order. If this order is total on ground terms, the TRS is called totally ...
Maria C. F. Ferreira, Hans Zantema