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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > WORD PROBLEM:
Reports tagged with word problem:
TR19-107 | 29th July 2019
Zachary Remscrim

The Power of a Single Qubit: Two-way Quantum/Classical Finite Automata and the Word Problem for Linear Groups

The two-way quantum/classical finite automaton (2QCFA), defined by Ambainis and Watrous, is a model of quantum computation whose quantum part is extremely limited; however, as they showed, 2QCFA are surprisingly powerful: a 2QCFA, with a single qubit, can recognize, with one-sided bounded-error, the language $L_{eq}=\{a^m b^m |m \in \mathbb{N}\}$ in ... more >>>




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