Nonlinear dynamics,
Burgers equation,
Monge-Kantorovich transportation metric,
nonlinear mass transfer models in fluid dynamics and cosmology
Main publications:
K. Khanin, A. Sobolevski, “On Dynamics of Lagrangian Trajectories for Hamilton–Jacobi Equations”, Archive for Rational Mechanics and Analysis, 219 (2016), 861–885 , arXiv: 1211.7084
K. M. Khanin, D. V. Khmelev, A. N. Sobolevskii, “On the velocities of Lagrangian minimizers”, Mosc. Math. J., 5:1 (2005), 157–169
Y. Brenier, U. Frisch, M. Henon, G. Loeper, S. Matarrese, R. Mohayaee, A. Sobolevskii, “Reconstruction of the early Universe as a convex optimization problem”, Mon. Not. R. Astron. Soc., 346:2 (2003), 501–524 , arXiv: astro-ph/0304214
Uriel Frisch, Sabino Matarrese, Roya Mohayaee, Andrei Sobolevski, “A reconstruction of the initial conditions of the Universe by optimal mass transportation”, Nature, 417 (2002), 260–262 , arXiv: astro-ph/0109483
A. N. Sobolevskii, “Periodic solutions of the Hamilton–Jacobi equation with a periodic non-homogeneous term and Aubry–Mather theory”, Sb. Math., 190:10 (1999), 1487–1504 , arXiv: chao-dyn/9906035