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nlin.SI2009
One-way coupled Van der Pol system
Sangeeta Ghosh, B. Talukdar, U. Das
The equation of the Van der Pol oscillator, being characterized by a dissipative term, is non-Lagrangian. Appending an additional degree of freedom we bring the equation in the fra…
nlin.SI2007
Embedded soliton solutions : A variational study
Debabrata Pal, Sk. Golam Ali, B. Talukdar
We use a variational method to construct soliton solutions for systems characterized by opposing dispersion and competing nonlinearities at fundamental and second harmonics. We sho…