0302022v1

related topics
{algorithm, log, probability}
{let, theorem, proof}
{time, systems, information}
{level, atom, field}
{energy, state, states}
{classical, space, random}
{cos, sin, state}

On Computational Power of Quantum Branching Programs

Farid Ablayev, Aida Gainutdinova, Marek Karpinski

abstract: In this paper we study a model of a Quantum Branching Program (QBP) and investigate its computational power. We prove a general lower bound on the width of read-once QBPs, which we show to be almost tight on certain symmetric function.

oai_identifier:
oai:arXiv.org:quant-ph/0302022
categories:
quant-ph
arxiv_id:
quant-ph/0302022
report_no:
MSRI 2002-028
created:
2003-02-03

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