Batch Codes from Hamming and Reed-M\"uller Codes
Travis Baumbaugh, Yariana Diaz, Sophia Friesenhahn, Felice, Manganiello, and Alexander Vetter

TL;DR
This paper investigates the batch properties of Hamming and Reed-Müller codes, establishing optimality results and analyzing locality and availability for first order Reed-Müller codes over finite fields.
Contribution
It introduces the concept of optimal batch codes, proves Hamming codes are optimal, and explores batch properties and locality of Reed-Müller codes, including new optimality results.
Findings
Binary Hamming codes are optimal batch codes.
First order Reed-Müller codes have favorable batch properties.
Binary first order Reed-Müller codes are optimal for 4 users.
Abstract
Batch codes, introduced by Ishai et al. encode a string into an -tuple of strings, called buckets. In this paper we consider multiset batch codes wherein a set of -users wish to access one bit of information each from the original string. We introduce a concept of optimal batch codes. We first show that binary Hamming codes are optimal batch codes. The main body of this work provides batch properties of Reed-M\"uller codes. We look at locality and availability properties of first order Reed-M\"uller codes over any finite field. We then show that binary first order Reed-M\"uller codes are optimal batch codes when the number of users is 4 and generalize our study to the family of binary Reed-M\"uller codes which have order less than half their length.
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