A Note on "Several Theorems of Self-Conjugate Quaternions Matrices and Determinants"
Received:September 15, 1986  
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Yang Zhongpeng Jilin Teacher's College 
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Abstract:
      [1] said that theorem 1 and theorem 2 of [1] have improved the conclusion of theorem 8 and theorem 9 in [2].We point out this way of say ing is incorrect, and the conclusion of theorem 8 and theorem 9 in [2 ] is not improved if we hold that A and B are any self-conjugate quaternions semipositive definite and positive definite matrix.
Citation:
DOI:10.3770/j.issn:1000-341X.1988.04.033
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