Alma van der Merwe, Madelein Thiersen, Hugo J. Woerdeman
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引用次数: 0
Abstract
We show that the c-numerical range of a non-scalar skew-Hermitian quaternion matrix is convex. In fact, included in our result is that the c-numerical range of a skew-Hermitian matrix is a rotation invariant subset of the quaternions with zero real parts.
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