Frontmatter

Articles in the same Issue

1. Frontmatter
2. New rigidity results for critical metrics of some quadratic curvature functionals
3. Extremizers of the Alexandrov–Fenchel inequality within a new class of convex bodies
4. Perturbation theory of asymptotic operators of contact instantons and pseudoholomorphic curves on symplectization
5. Cylinders in smooth del Pezzo surfaces of degree 2
6. The total absolute curvature of closed curves with singularities
7. On some relations between the perimeter, the area and the visual angle of a convex set
8. Fundamental polyhedra of projective elementary groups
9. Study of the cone of sums of squares plus sums of nonnegative circuit forms