Integrability and new periodic, kink-antikink and complex optical soliton solutions of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg" display="inline" id="d1e111"><mml:mrow><mml:mo>(</mml:mo><mml:mn>3</mml:mn><mml:mo linebreak="goodbreak" linebreakstyle="after">+</mml:mo><mml:mn>1</mml:mn><mml:mo>)</mml:mo></mml:mrow></mml:math>-dimensional variable coefficient DJKM equation for the propagation of nonlinear dispersive waves in inhomogeneous media

Shailendra Singh, S. Saha Ray