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Kleene star

Known as: Kleene plus, Σ*, Kleene operators 
In mathematical logic and computer science, the Kleene star (or Kleene operator or Kleene closure) is a unary operation, either on sets of strings or… 
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Related topics

Related topics

50 relations
Abstract family of acceptorsAbstract family of languagesAction algebraAlphabet (formal languages)

Broader (1)

Natural language processing

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2007
Highly Cited
2007
Optical Systems With High-Order DPSK and Star QAM Modulation Based on Interferometric Direct Detection
Increased interest in novel modulation formats for optical transmission has come up in recent years. Receivers with… 
Review
2007
Review
2007
Conditions on sub-extraction
The goal of this paper is to address CED effects, building on the mechanics of Chomsky’s (2000; 2001) Agree mechanism. In so… 
Highly Cited
2006
Highly Cited
2006
Fenno-Swedish Quantity: Contrast in Stratal OT
Compared to more familiar varieties of Swedish, the dialects spoken in Finland have rather diverse syllable structures. The… 
Highly Cited
2002
Highly Cited
2002
DTD-Directed Publishing with Attribute Translation Grammars
Highly Cited
1999
Highly Cited
1999
The Non-Linear Phillips Curve and Inflation Forecast Targeting
This paper extends the Svensson inflation forecast targeting framework with a convex Phillips curve. An asymmetric target rule is… 
Highly Cited
1996
Highly Cited
1996
FSA Utilities: A Toolbox to Manipulate Finite-State Automata
This paper describes the FSA Utilities toolbox: a collection of utilities to manipulate finite-state automata and finite-state… 
1989
1989
Real-time interval logic for reasoning about executions of real-time programs
Research on the testing and debugging of distributed real-time programs now focuses on more formal approaches to specification… 
Highly Cited
1983
Highly Cited
1983
Séquences continentales et variations climatiques : évolution du bassin du Tchad au Cénozoïque supérieur
Highly Cited
1977
Highly Cited
1977
Feshbach projection operator calculation of the potential energy surfaces and autoionization lifetimes for He(2 3S) –H and He(2 3S) –H2
A new technique has been developed for calculating potential energy surfaces and widths for autoionizing molecular systems. The… 
1968
1968
Unbounded normal operators on Banach spaces
Introduction. In this paper a theory of unbounded normal operators on complex Banach spaces is developed which generalizes many… 
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