Quantum One-Way Communication can be Exponentially Stronger Than Classical Communication

被引：0

作者：

Klartag, Bo'az ^{[1
]}

Regev, Oded ^{[1
]}

机构：

[1] Tel Aviv Univ, Sch Math Sci, Tel Aviv, Israel

来源：

STOC 11: PROCEEDINGS OF THE 43RD ACM SYMPOSIUM ON THEORY OF COMPUTING | 2011年

关键词：

communication complexity; sampling; sphere; hypercontractive inequality; INEQUALITIES; COMPLEXITY;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

In STOC 1999, Raz presented a (partial) function for which there is a quantum protocol communicating only O(log n) qubits, but for which any classical (randomized, boundederror) protocol requires poly(n) bits of communication. That quantum protocol requires two rounds of communication. Ever since Raz's paper it was open whether the same exponential separation can be achieved with a quantum protocol that uses only one round of communication. Here we settle this question in the affirmative.

引用

页码：31 / 40

页数：10

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