# Pauli spin matrices/Related Articles

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- Angular momentum (quantum) [r]: A vector operator of which the three components have well-defined commutation relations.
^{[e]} - Hermitian matrix [r]: Matrix which equals its conjugate transpose matrix, that is, is self-adjoint.
^{[e]} - Identity matrix [r]: A square matrix with ones on the main diagonal and zeroes elsewhere: the identity element for matrix multiplication.
^{[e]}