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The one-way communication complexity of group membership

Author(s)
Le Gall, Francois; Tani, Seiichiro; Russell, Alexander; Aaronson, Scott
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Abstract
This paper studies the one-way communication complexity of the subgroup membership problem, a classical problem closely related to basic questions in quantum computing. Here Alice receives, as input, a subgroup H of a finite group G; Bob receives an element x ∈ G. Alice is permitted to send a single message to Bob, after which he must decide if his input x is an element of H. We prove the following upper bounds on the classical communication complexity of this problem in the bounded-error setting: 1. The problem can be solved with O(log|G|) communication, provided the subgroup H is normal. 2. The problem can be solved with O(d[subscript max] · log|G|) communication, where d[subscript max] is the maximum of the dimensions of the irreducible complex representations of G. 3. For any prime p not dividing |G|, the problem can be solved with O(d[subscript max] · log p) communication, where d[subscript max] is the maximum of the dimensions of the irreducible Fp-representations of G.
Date issued
2009-02
URI
http://hdl.handle.net/1721.1/54762
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Citation
Aaronson, Scott, Francois Le Gall, Alexander Russell and Seiichiro Tani. "The One-Way Communication Complexity of Group Membership."
Version: Original manuscript
Other identifiers
CoRR, Vol. abs/0902.3175 (2009)

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