Title
On the Bias of Reed-Muller Codes over Odd Prime Fields.
Abstract
We study the bias of random bounded-degree polynomials over odd prime fields and show that, with probability exponentially close to 1, n-variate polynomials of degree d over F-p have bias at most p(-Omega(n/d)). This also yields an exponential tail bound on the weight distribution of Reed-Muller codes over odd prime fields. These results generalize bounds of Ben-Eliezer, Hod, and Lovett [Comput. Complexity, 21 (2012), pp. 63-81] who proved similar results over F-2. Our bounds are based on an extremal property of the rank of sub-matrices of the generator matrices of Reed-Muller codes over odd prime fields that generalizes a property shown by Keevash and Sudakov [SIAM T. Discrete Math., 18 (2005), pp. 713-727] for the case of F-2. Our tail bounds on the bias can be used to derive exponential lower bounds on the time for space-bounded learning of bounded-degree polynomials from their evaluations over odd prime fields.
Year
DOI
Venue
2020
10.1137/18M1215104
SIAM JOURNAL ON DISCRETE MATHEMATICS
Keywords
DocType
Volume
Reed-Muller codes,finite field,random polynomials
Journal
34
Issue
ISSN
Citations 
2
0895-4801
0
PageRank 
References 
Authors
0.34
0
3
Name
Order
Citations
PageRank
Paul Beame12234176.07
Shayan Oveis Gharan232326.63
Xin Yang300.34