Mathematical modelling of traffic flow, the stochastic analysis and its applications, dynamic systems (ergodic dynamic, concentration of an invariant measure), asymptotical analysis (methods of small parameter), intermediate asymtotic solution of Rieman's type problem for nonlinear parabolic equations (Burgers type, Kolmogorov–Petrovskij–Piskunov-type) and them difference-differential analogues.

Main publications:

A. V. Gasnikov, “Time asymptotic behavior of the solution to a quasilinear parabolic equation”, Computational Mathematics and Mathematical Physics, 46:12 (2006), 2136–2153

A. V. Gasnikov, “On the intermediate asymptotic of the solution to the Cauchy problem for a quasilinear equation of parabolic type with a monotone initial condition”, Journal of Computer and Systems Sciences International, 47:3 (2008), 475–484

A. V. Gasnikov, “Convergence in the form of a solution to the Cauchy problem for a quasilinear parabolic equation with a monotone initial condition to a system of waves”, Computational Mathematics and Mathematical Physics, 48:8 (2008), 1376–1405