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Roberts orthogonality for 2×2 complex matrices

Ljiljana Arambašić

Sažetak

We give a complete description of 2x2 complex matrices A and B which are Roberts orthogonal to each other. Necessary and sufficient conditions for Roberts orthogonality of A and B are also given in terms of traces of matrices.

Ključne riječi

Roberts orthogonalitytracematrix of order 2