Title
A Composition Theorem for Randomized Query Complexity.
Abstract
Let the randomized query complexity of a relation for error probability epsilon be denoted by R_epsilon(). We prove that for any relation f contained in {0,1}^n times R and Boolean function g:{0,1}^m -u003e {0,1}, R_{1/3}(f o g^n) = Omega(R_{4/9}(f).R_{1/2-1/n^4}(g)), where f o g^n is the relation obtained by composing f and g. We also show using an XOR lemma that R_{1/3}(f o (g^{xor}_{O(log n)})^n) = Omega(log n . R_{4/9}(f) . R_{1/3}(g))$, where g^{xor}_{O(log n)} is the function obtained by composing the XOR function on O(log n) bits and g.
Year
DOI
Venue
2018
10.4230/LIPIcs.FSTTCS.2017.10
foundations of software technology and theoretical computer science
DocType
Volume
Citations 
Journal
abs/1706.00335
0
PageRank 
References 
Authors
0.34
6
8
Name
Order
Citations
PageRank
Anurag Anshu14314.24
Dmitry Gavinsky216620.21
Rahul Jain378471.51
Srijita Kundu400.34
Troy Lee527628.96
Priyanka Mukhopadhyay662.19
Miklós Sántha7967.95
Swagato Sanyal813.39