The S. P. Novikov seminar;Semigroups of maps into groups, operator doubles, and complex cobordisms;Nonlocal Hamiltonian operators of hydrodynamic type: Differential geometry and applications;Nonselfintersecting magnetic orbits on the plane. Proof of the overthrowing of cycles principle;Spin generalization of the Calogero-Moser system and the matrix KP equation;Symplectic and Poisson geometry on loop spaces of manifolds and nonlinear equations;Real nonsingular finite zone solutions of soliton equations;Representations of Krichever-Novikov algebras;Huygens' principle and algebraic Schr�odinger operators