Discriminants and Local Invariants of Planar Fronts -- Crofton Densities, Symplectic Geometry and Hilbertโs Fourth Problem -- Projective Convex Curves -- Topological Classification of Real Trigonometric Polynomials and Cyclic Serpents Polyhedron -- Singularities of Short Linear Waves on the Plane -- New Generalizations of Poincarรฉโs Geometric Theorem -- Explicit Formulas for Arnoldโs Generic Curve Invariants -- Nonlinear Integrable Equations and Nonlinear Fourier Transform -- Elliptic Solutions of the Yang-Baxter Equation and Modular Hypergeometric Functions -- Combinatorics of Hypergeometric Functions Associated with Positive Roots -- Local Invariants of Mappings of Surfaces into Three-Space -- Theorem on Six Vertices of a Plane Curve Via Sturm Theory -- The ArfโInvariant and the Arnold Invariants of Plane Curves -- Produit cyclique dโespaces et opรฉrations de Steenrod -- Characteristic Classes of Singularity Theory -- Value of Generalized Hypergeometric Function at Unity -- Harish-Chandra Decomposition for Zonal Spherical Function of type An -- Positive Paths in the Linear Symplectic Group -- Invariants of Submanifolds in Euclidean Space -- On Combinatorics and Topology of Pairwise Intersections of Schubert Cells in SLn/B

1. Mathematics
2. Topological groups
3. Lie groups
4. Mathematical analysis
5. Analysis (Mathematics)
6. Geometry
7. Combinatorics
8. Mathematics
9. Geometry
10. Analysis
11. Topological Groups
12. Lie Groups
13. Combinatorics