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A. González-López, N. Kamran and P. J. Olver, “Normalizability of One-Dimensional Quasi-Exactly Solvable Schr?dinger Operators,” Communications in Mathematical Physics, Vol. 153, No. 1, 1993, pp. 117-146. doi:10.1007/BF02099042

has been cited by the following article:

• TITLE: Matrix Quasi-Exactly Solvable Jacobi Elliptic Hamiltonian

  AUTHORS: Ancilla Nininahazwe

  KEYWORDS: Technology; Preference for Quality; Volume of Trade; Vertical Intra-Industry Trade

  JOURNAL NAME: Open Journal of Microphysics, Vol.3 No.3, August 9, 2013

  ABSTRACT: We construct a new example of 2 × 2-matrix quasi-exactly solvable (QES) Hamiltonian which is associated to a potential depending on the Jacobi elliptic functions. We establish three necessary and sufficient algebraic conditions for the previous operator to have an invariant vector space whose generic elements are polynomials. This operator is called quasi-exactly solvable.