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math.RA2026
Diagonalization of skew-Hermitian dual quaternion matrices and -Hermitian dual quaternion matrices
Cailing Yao, Bingzhe Hou
In this article, we present the diagonalization of skew-Hermitian dual quaternion matrices in the sense of unitary equivalence. For a unit quaternion , we also obtain the diagon…
cs.CR2026
PUFFERDOS: Efficient and Effective Attack String Generation for Regular Expression Denial of Service Vulnerabilities
Shangzhi Xu, Ziqi Ding, Xiao Cheng +5
ReDoS attacks constitute a critical class of resource-exhaustion vulnerabilities. In such attacks, adversaries exploit the pathological worst-case execution behavior of regular exp…