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physics.flu-dyn2012
Interaction of Global-Scale Atmospheric Vortices: Modeling Based on Hamiltonian System for Antipodal Vortices on Rotating Sphere
Igor I. Mokhov, Sergey G. Chefranov, Alexander G. Chefranov
It is shown for the first time that only an antipodal vortex pair (APV) is the elementary singular vortex object on the sphere compatible with the hydrodynamic equations. The exact…
cs.CR2012★ 1 cited
Investigation of Hill Cipher Modifications Based on Permutation and Iteration
Mina Farmanbar, Alexander G. Chefranov
Two recent Hill cipher modifications which iteratively use interweaving and interlacing are considered. We show that strength of these ciphers is due to non-linear transformation u…