Apollonian Circle Packings: Geometry and Group Theory I. The Apollonian Group

Apollonian Circle Packings: Geometry and Group Theory II. Super-Apollonian Group and Integral Packings

Apollonian Circle Packings: Geometry and Group Theory III. Higher Dimensions

Apollonian circles and hyperbolic geometry

Approximately gaussian marginals and the hyperplane conjecture

Approximating the Euclidean circle in the square grid using neighbourhood sequences

Approximation of analytic functions with prescribed boundary conditions by circle packing maps

Approximation of conformal mappings by circle patterns

Approximations of convex bodies by polytopes and by projections of spectrahedra

Arbitrary Sectioning of Angles in Taxicab Geometry

Area of Polygons in Hyperbolic Geometry

Area Problems Involving Kasner Polygons

Assouad dimension of self-affine carpets

Assouad's theorem with dimension independent of the snowflaking

Assouad-Nagata dimension of locally finite groups and asymptotic cones

Assouad-Nagata dimension of wreath products of groups

Assuad-Nagata dimension of nilpotent groups with arbitrary left invariant metrics

Asymmetric Nondegenerate Geometry

Asymptotic cones and Assouad-Nagata dimension

Asymptotic dimension, Property A, and Lipschitz maps