Pseudo-Hermiticity, Anti-Pseudo-Hermiticity, and Generalized Parity-Time-Reversal Symmetry at Exceptional Points

Nil Ä°nce, Hasan Mermer, Ali Mostafazadeh

For a diagonalizable linear operator $H:\mathcal{H}\to \mathcal{H}$ acting in a separable Hilbert space $\mathcal{H}$, i.e., an operator with a purely point spectrum, eigenvalues wi…