Abstract
We prove a general lower bound on the bounded-error entanglement-assisted quantum communication complexity of Boolean functions. The bound is based on the concept that any classical or quantum protocol to evaluate a function on distributed inputs can be turned into a quantum communication protocol. As an application of this bound, we give a very simple proof of the statement that almost all Boolean functions on n + n bits have communication complexity linear in n, even in the presence of unlimited entanglement.
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Montanaro, A., Winter, A. (2007). A Lower Bound on Entanglement-Assisted Quantum Communication Complexity. In: Arge, L., Cachin, C., Jurdziński, T., Tarlecki, A. (eds) Automata, Languages and Programming. ICALP 2007. Lecture Notes in Computer Science, vol 4596. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73420-8_13
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DOI: https://doi.org/10.1007/978-3-540-73420-8_13
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