Asymptotically optimal approximate Hadamard matrices

Fuente: arXiv
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Main Authors: Alexeev, Boris, Jasper, John, Mixon, Dustin G.
Format: Preprint
Published: 2025
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author Alexeev, Boris
Jasper, John
Mixon, Dustin G.
author_facet Alexeev, Boris
Jasper, John
Mixon, Dustin G.
contents In this paper, we study approximate Hadamard matrices, that is, well-conditioned $n\times n$ matrices with all entries in $\{\pm1\}$. We show that the smallest-possible condition number goes to $1$ as $n\to\infty$, and we identify some explicit infinite families of approximate Hadamard matrices.
format Preprint
id arxiv_https___arxiv_org_abs_2511_14653
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Asymptotically optimal approximate Hadamard matrices
Alexeev, Boris
Jasper, John
Mixon, Dustin G.
Combinatorics
Functional Analysis
In this paper, we study approximate Hadamard matrices, that is, well-conditioned $n\times n$ matrices with all entries in $\{\pm1\}$. We show that the smallest-possible condition number goes to $1$ as $n\to\infty$, and we identify some explicit infinite families of approximate Hadamard matrices.
title Asymptotically optimal approximate Hadamard matrices
topic Combinatorics
Functional Analysis
url https://arxiv.org/abs/2511.14653