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JUCS
2002
81views more  JUCS 2002»
13 years 5 months ago
Rationally Additive Semirings
Abstract: We define rationally additive semirings that are a generalization of ()complete and (-)continuous semirings. We prove that every rationally additive semiring is an iterat...
Zoltán Ésik, Werner Kuich
SCP
2011
210views Communications» more  SCP 2011»
13 years 13 days ago
Internal axioms for domain semirings
a more abstract characterisation in the setting of semirings. Formally, a domain semiring is a semiring S extended by a domain operation d : S → S which, for all x, y ∈ S, sati...
Jules Desharnais, Georg Struth
IPL
2008
95views more  IPL 2008»
13 years 5 months ago
Weighted automata with discounting
: We investigate weighted automata with discounting and their behaviours over semirings and finitely generated graded monoids. We characterize the discounted behaviours of weighted...
Manfred Droste, Jacques Sakarovitch, Heiko Vogler
WIA
2007
Springer
13 years 11 months ago
Weighted Automata and Weighted Logics with Discounting
We introduce a weighted logic with discounting and we establish B¨uchi’s and Elgot’s theorem for weighted automata over finite words and arbitrary commutative semirings. The...
Manfred Droste, George Rahonis
CORR
2010
Springer
91views Education» more  CORR 2010»
13 years 5 months ago
Simulations of Weighted Tree Automata
Simulations of weighted tree automata (wta) are considered. It is shown how such simulations can be decomposed into simpler functional and dual functional simulations also called f...
Zoltán Ésik, Andreas Maletti