2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57129The recent Letter by Bender, Berry, and Mandilara (2002, BBM) presents some interesting symmetry arguments which enable one to transform non-hermitian, PT invariant, (complex) polynomial potential hamiltonians, into secular equation representations with real coefficients. This achievement is claimed to ``demistify'' why these systems can admit real and/or complex eigenenergies. Two approximations underly their arguments, and weaken the implied significance of their work.Submitted to J. Phys. AMathematical PhysicsFunctional AnalysisSpectral TheoryComment on the article by Bender et al, J. Phys. A 35, L467 (2002)text