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L-matrices, quaternions and propagators

โœ Scribed by Alladi Ramakrishnan


Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
189 KB
Volume
23
Category
Article
ISSN
0022-247X

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A strengthened form of Schur's triangularization theorem is given for quaternion matrices with real spectrum (for complex matrices it was given by Littlewood). It is used to classify projectors (A 2 = A) and self-annihilating operators (A 2 = 0) on a quaternion unitary space and examples of unitaril

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Yamada, M., Hadamard matrices of generalized quaternion type, Discrete Mathematics 87 (1991) 187-196. Let G be a semi-direct product of a cyclic group of an odd order by a generalized quaternion group Q,. We consider the ring % obtained from the group ring ZG by identifying the elements f 1 in the c