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Electronic Colloquium on Computational Complexity

Under the auspices of the Computational Complexity Foundation (CCF)

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Reports tagged with descriptional complexity:
TR00-076 | 24th August 2000
Juraj Hromkovic, Juhani Karhumaki, Hartmut Klauck, Georg Schnitger, Sebastian Seibert

Measures of Nondeterminism in Finite Automata

While deterministic finite automata seem to be well understood, surprisingly
many important problems
concerning nondeterministic finite automata (nfa's) remain open.

One such problem area is the study of different measures of nondeterminism in
finite automata and the
estimation of the sizes of minimal nondeterministic finite automata. In this
paper the ... more >>>

TR06-027 | 22nd February 2006
Hermann Gruber, Markus Holzer

Finding Lower Bounds for Nondeterministic State Complexity is Hard

We investigate the following lower bound methods for regular
languages: The fooling set technique, the extended fooling set
technique, and the biclique edge cover technique. It is shown that
the maximal attainable lower bound for each of the above mentioned
techniques can be algorithmically deduced from ... more >>>

TR14-136 | 17th October 2014
Viliam Geffert, Abuzer Yakaryilmaz

Classical Automata on Promise Problems

Promise problems were mainly studied in quantum automata theory. Here we focus on state complexity of classical automata for promise problems. First, it was known that there is a family of unary promise problems solvable by quantum automata by using a single qubit, but the number of states required by ... more >>>

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