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Classical and quantum fingerprinting with shared randomness and one-sided error

Rolf T. Horn, A. J. Scott, Jonathan Walgate, Richard Cleve, A. I. Lvovsky, Barry C. Sanders

quant-pharXiv:quant-ph/0501021

Abstract

Within the simultaneous message passing model of communication complexity, under a public-coin assumption, we derive the minimum achievable worst-case error probability of a classical fingerprinting protocol with one-sided error. We then present entanglement-assisted quantum fingerprinting protocols attaining worst-case error probabilities that breach this bound.

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