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Abstract

Cyclic codes, as a crucial subclass of linear codes, exhibit broad applications in communication systems, data storage systems, and consumer electronics, primarily attributed to their well-structured algebraic properties. Let $p$ denote an odd prime with $p\geq5$, and let $m$ be a positive integer. The primary objective of this paper is to construct three novel classes of optimal $p$-ary cyclic codes, denoted as ${\mathcal{C}_p}(0,s,t)$, which possess the parameters $[{p^m} - 1,{p^m} - 2m - 2,4]$. Here, $s$ is defined as $s = \frac{{{p^m}+1}}{{2}}$, and $t$ satisfies the condition $2 \le t \le {p^m} - 2$. Notably, one of the constructed classes includes certain known optimal quinary cyclic codes as special cases. Furthermore, for the specific case when $p=5$, this paper additionally presents four new classes of optimal cyclic codes ${\mathcal{C}_5}(0,s,t)$.