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A matrix approach for constructing quadratic APN functions

✍ Scribed by Yu, Yuyin; Wang, Mingsheng; Li, Yongqiang


Book ID
125358830
Publisher
Springer
Year
2014
Tongue
English
Weight
221 KB
Volume
73
Category
Article
ISSN
0925-1022

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We show how Van Loan's method for annulling the (2,1) block of skew-Hamiltonian matrices by symplecticorthogonal similarity transformation generalizes to general matrices and provides a numerical algorithm for solving the general quadratic matrix equation: For skew-Hamiltonian matrices we find thei