Rank and determinant functions for matrices over semi-rings / A. E. Guterman -- Algebraic geometry over Lie algebras / I.V. Kazachkov -- Destabilization of closed braids / A.V. Malyutin -- n-dimensional local fields and adeles on n-dimensional schemes / D.V. Osipov -- Cohomology of face rings, and torus actions / T.E. Panov -- Three lectures on the Borsuk partition problem / A.M. Raigorodskii -- Embedding and knotting of manifolds in Euclidean spaces / A.B. Skopenkov -- On Maxwellian and Boltzmann distributions / V.V. Ten