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physics.plasm-ph2026

Formation and interaction of two-dimensional electron-acoustic solitons and breathers in superthermal plasmas

Jayshree Mondal, Prasanta Chatterjee, Biswajit Sahu

The nonlinear evolution and mutual interaction of two-dimensional electron acoustic (EA) nonlinear structures in superthermal plasma environment are studied. The plasma model consi…

math.AP2026

Non-Local Energy Dissipation and Topological Obstructions in the Second-Order Positive Modified Burgers' Equation

Prasanta Chatterjee, Suman Pal

We study the higher-order flows of the modified Burgers' equation generated by its standard recursion operator. In particular, we show that the second-order positive flow takes the…

nlin.SI2026

On the Second-Order Positive Burgers' Equation: Integrability, Lax Pair, Darboux Transformations, and Lie Symmetry Reduction

Suman Pal, Prasanta chatterjee

This paper derives the second-order positive Burgers' equation from the standard Burgers' hierarchy to explore its complete integrability and exact analytical solutions. We constru…

math-ph2026

Emergence of fractal structures from breather interactions in the -dimensional Konopelchenko--Dubrovsky equation

Snehalata Nasipuri, Prasanta Chatterjee, Saugata Dutta

Fractal structures generated through nonlinear breather interactions are investigated for the -dimensional Konopelchenko--Dubrovsky (KD) equation by means of the Hirota bili…

math.AP2026

Exact solution of the (2+1)-dimensional damping forcing coupled Burgers equation by using Darboux transformation

Prasanta Chatterjee, Nanda Kanan Pal, Dipan Saha +1

In this article, we investigate the (2+1)-dimensional damping forcing coupled Burgers equation, which is obtain by adding damping and forcing terms from couple Burgers equation. Th…