2 papers
math-ph2025
An easier way to compute 2-cocycles coming from a reduction for semidirect products
Viacheslav Goncharov
For Hamiltonian actions of semidirect products , we study 2-cocycles arising from residual Hamiltonian actions of on Hamiltonian reductions for . The motivati…
physics.ao-ph2024
Heat spots as structural elements of synoptic turbulence model
V. P. Goncharov
The large-scale dynamics of heat spots in a thin layer of incompressible rotating fluid under the action of Coriolis and gravity is considered to obtain a simple model of synoptic…