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On the Probability of Finding Marked Connected Components Using Quantum Walks


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Resumo

Finding a marked vertex in a graph can be a complicated task when using quantum walks. Recent results show that for two or more adjacent marked vertices search by quantum walk with Grover’s coin may have no speed-up over classical exhaustive search. In this paper, we analyze the probability of finding a marked vertex for a set of connected components of marked vertices. We prove two upper bounds on the probability of finding a marked vertex and sketch further research directions.

Sobre autores

K. Khadiev

Center for Quantum Computer Science, Faculty of Computing; Institute of Computational Mathematics and Information Technologies

Autor responsável pela correspondência
Email: kamilhadi@gmail.com
Letônia, Raina bulv. 19, Riga, LV-1586; ul. Kremlevskaya 35, Kazan, Tatarstan, 420008

N. Nahimovs

Center for Quantum Computer Science, Faculty of Computing

Email: kamilhadi@gmail.com
Letônia, Raina bulv. 19, Riga, LV-1586

R. Santos

Center for Quantum Computer Science, Faculty of Computing

Email: kamilhadi@gmail.com
Letônia, Raina bulv. 19, Riga, LV-1586

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Declaração de direitos autorais © Pleiades Publishing, Ltd., 2018