Abstract
With respect to the binary operation A ⊞ B = AB2A on the set m2(K) of all 2 × 2 matrices over an arbitrary field K, we determine the centralizer of each element A of m2(K).
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This work was supported by CHONNAM NATIONAL UNIVERSITY RESEARCH FUND, 1998
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Im, B., Karzel, H. Centralizers of Certain Matrices Relative to the Operation Related to A K-Loop. Results. Math. 36, 69–74 (1999). https://doi.org/10.1007/BF03322103
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DOI: https://doi.org/10.1007/BF03322103