The Length of Functional Batch and PIR Codes

Fuente: arXiv
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Hauptverfasser: Kilic, Altan B., Ravagnani, Alberto, Salizzoni, Flavio
Format: Preprint
Veröffentlicht: 2025
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author Kilic, Altan B.
Ravagnani, Alberto
Salizzoni, Flavio
author_facet Kilic, Altan B.
Ravagnani, Alberto
Salizzoni, Flavio
contents We consider the problem of computing the minimum length of functional batch and PIR codes of fixed dimension and for a fixed list size, over an arbitrary finite field. We recover, generalize, and refine several results that were previously obtained for binary codes. We present new upper and lower bounds for the minimum length, and discuss the asymptotic behaviour of this parameter. We also compute its value for several parameter sets. The paper also offers insights into the "correct" list size to consider for the Functional Batch Conjecture over non-binary finite fields, and establishes various supporting results.
format Preprint
id arxiv_https___arxiv_org_abs_2508_02586
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle The Length of Functional Batch and PIR Codes
Kilic, Altan B.
Ravagnani, Alberto
Salizzoni, Flavio
Information Theory
We consider the problem of computing the minimum length of functional batch and PIR codes of fixed dimension and for a fixed list size, over an arbitrary finite field. We recover, generalize, and refine several results that were previously obtained for binary codes. We present new upper and lower bounds for the minimum length, and discuss the asymptotic behaviour of this parameter. We also compute its value for several parameter sets. The paper also offers insights into the "correct" list size to consider for the Functional Batch Conjecture over non-binary finite fields, and establishes various supporting results.
title The Length of Functional Batch and PIR Codes
topic Information Theory
url https://arxiv.org/abs/2508.02586