Exact traveling-wave and spatiotemporal soliton solutions to the generalized (3+1)-dimensional Schrdinger equation with polynomial nonlinearity of arbitrary order.
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We obtain exact traveling wave and spatiotemporal soliton solutions to the generalized (3+1)-dimensional nonlinear Schrdinger equation with variable coefficients and polynomial Kerr nonlinearity of an arbitrarily high order. Exact solutions, given in terms of Jacobi elliptic functions, are presented for the special cases of cubic-quintic and septic models. We demonstrate that the widely used method for finding exact solutions in terms of Jacobi elliptic functions is not applicable to the nonlinear Schrdinger equation with saturable nonlinearity.
