In mathematics, an eigenoperator, A, of a matrix H is a linear operator such that
\( {\displaystyle [H,A]=\lambda A\,} \)
where \( \lambda \)is a corresponding scalar called an eigenvalue.[1]
References
Gardiner, Crispin (2000). Quantum Noise. Springer. p. 85.
Undergraduate Texts in Mathematics
Graduate Studies in Mathematics
Hellenica World - Scientific Library
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