Introducing undecidability
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- Introducing undecidability
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On the undecidability of the limit behavior of Cellular Automata
Cellular Automata (CA) are discrete dynamical systems and an abstract model of parallel computation. The limit set of a cellular automaton is its maximal topological attractor. A well-known result, due to Kari, says that all nontrivial properties of ...
From decidability to undecidability by considering regular sets of instances
Highlights- There are problems in LOGSPACE for which intersection non-emptiness with a given regular language is undecidable.
AbstractWe are lifting classical combinatorial problems from single instances to regular sets of instances. The task of finding a positive instance of the combinatorial problem P in a potentially infinite given regular set is equivalent to the ...
Introducing undecidability
In this paper we suggest introducing undecidability to students in relatively early stages of their studies, in a way we used succefully in recent semesters.
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- Conference Chair:
- Roger Boyle,
- Program Chairs:
- Martyn Clark,
- Amruth Kumar
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Association for Computing Machinery
New York, NY, United States
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