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Continue to ChatA variable coefficient nonlinear Schrodinger equation with a four-dimensional symmetry group and blow-up - https://avesis.itu.edu.tr/publication/details/cfcda4da-4184-4d1f-85b9-93452d6ba74c/a-variable-coefficient-nonlinear-schrodinger-equation-with-a-four-dimensional-symmetry-group-and-blow-up