Lie Sphere Geometry With Applications to Submanifolds

Harmonic Analysis on Symmetric Spaces—Euclidean Space, the Sphere, and the Poincaré Upper Half-Plane

Lectures on Sphere Arrangements – the Discrete Geometric Side

The Classification of the Virtually Cyclic Subgroups of the Sphere Braid Groups

Lectures on Constructive Approximation Fourier, Spline, and Wavelet Methods on the Real Line, the Sphere, and the Ball

Spherical Harmonics and Approximations on the Unit Sphere: An Introduction

The Ricci Flow in Riemannian Geometry A Complete Proof of the Differentiable 1/4-Pinching Sphere Theorem