Inverse scattering transform for the discrete nonlocal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg" display="inline" id="d1e1462"> <mml:mrow> <mml:mi>P</mml:mi> <mml:mi>T</mml:mi> </mml:mrow> </mml:math> symmetric nonlinear Schrödinger equation with nonzero boundary conditions

Ya-Hui Liu, Rui Guo, Jianwen Zhang