On the number of extremal surfaces

On the number of geodesic segments connecting two points on manifolds of non-positive curvature

On the number of minimal surfaces with a given boundary

On the Number of Solutions to Asymptotic Plateau Problem

On the obstruction to integrability of almost-complex structures

On the obstruction to linearizability of 2-order ordinary differential equations

On the Omori-Yau Maximum Principle and Geometric Applications

On the origin of the BV operator on odd symplectic supermanifolds

On the partial Ricci curvature of foliations

On the Perelman's reduced entropy and Ricci flat manifolds with maximal volume growth

On the Perfectness of Nontransitive Groups of Diffeomorphisms

On the positive mass theorem for manifolds with corners

On the Positive Mass, Penrose, an ZAS Inequalities in General Dimension

On the prescribing $σ_2$ curvature equation on $\mathbb S^4$

On the problem of isometry of a hypersurface preserving mean curvature

On the problem of linearizability of a 3-web

On the projective algebra of Einstein Matsumoto metrics

On the Projective Algebra of Randers Metrics of Constant Flag Curvature

On the projective theory of sprays with applications to Finsler geometry

On the properties of the combinatorial Ricci flow for surfaces