Computational Complexity, volume 28, issue 1, pages 113-144

Query-to-Communication Lifting for PNP

Mika Göös 1
Pritish Kamath 2
Toniann Pitassi 3
Thomas Watson 4
Publication typeJournal Article
Publication date2018-11-30
scimago Q2
SJR0.453
CiteScore1.5
Impact factor0.7
ISSN10163328, 14208954
General Mathematics
Computational Mathematics
Computational Theory and Mathematics
Theoretical Computer Science
Abstract
We prove that the PNP-type query complexity (alternatively, decision list width) of any Boolean function f is quadratically related to the PNP-type communication complexity of a lifted version of f. As an application, we show that a certain “product” lower bound method of Impagliazzo and Williams (CCC 2010) fails to capture PNP communication complexity up to polynomial factors, which answers a question of Papakonstantinou, Scheder, and Song (CCC 2014).
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