New Quantum MDS Codes with Flexible Parameters from Hermitian Self-Orthogonal GRS Codes

Abstract

Let $q$ be a prime power. Let $\lambda >1$ be a divisor of $q-1$, and let $\tau >1$ and $\rho >1$ be divisors of $q+1$. Under certain conditions we prove that there exists an MDS stabilizer quantum code with length $n=\lambda \tau \sigma$ where $2\le \sigma \le \rho$. This is a flexible construction, which includes new MDS parameters not known before.

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