Browsing by Author "Alma Van Der Merwe"
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Item The cnumerical range of a quaternion skewHermitian matrix is convexAlma Van Der Merwe; Madelein Thiersen; H WoerdemanItem FejrRiesz factorization in the QRCsubalgebra and circularity of the quaternionic numerical rangeAlma Van Der Merwe; Madelein Van Straaten; Hugo J WoerdemanItem Partial isospectrality of a matrix pencil and circularity of the cnumerical range(ELSEVIER SCIENCE INC) Alma Van Der Merwe; M Van Straaten; H Woerdeman