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The Eigenvalue Moment Method (EMM), Handy (2001), Handy and Wang (2001)) isapplied to the $H_\alpha \equiv P^2 + iX^3 + i\alpha X$ Hamiltonian, enablingthe algebraic/numerical generation of converging bounds to the complex energiesof the $L^2$ states, as argued (through asymptotic methods) by Delabaere andTrinh (J. Phys. A: Math. Gen. {\bf 33} 8771 (2000)).Comment: Submitted to J. Phys.

Generating converging bounds to the (complex) discrete states of theP2+ iX3+ iαXHamiltonian

Generating converging bounds to the (complex) discrete states of theP²+ iX³+ iαXHamiltonian