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Superiority of exact quantum automata for promise problems

✍ Scribed by Andris Ambainis; Abuzer Yakaryılmaz


Book ID
113663316
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
118 KB
Volume
112
Category
Article
ISSN
0020-0190

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Exact results for accepting probabilitie
✍ Andris Ambainis; Arnolds Ķikusts 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 222 KB

One of the properties of the Kondacs-Watrous model of quantum ÿnite automata (QFA) is that the probability of the correct answer for a QFA cannot be ampliÿed arbitrarily. In this paper, we determine the maximum probabilities achieved by QFAs for several languages. In particular, we show that any lan