A Course in Approximation Theory

Theorems And Lemmas In Mathematics

Introduction to Fourier Analysis and Wavelets

Configurations of Points and Lines

Mathematician's Delight

Algebra: Chapter 0

A First Course in Sobolev Spaces

Embeddings in Manifolds

The Joy Of X: A Guided Tour of Math, from One to Infinity

Manifolds and Differential Geometry

Mapping Degree Theory

Calculus: A Complete Introduction: The Easy Way to Learn Calculus

Training Manual on Transport and Fluids

103 Trigonometry Problems: From the Training of the USA IMO Team

Differential Algebraic Topology: From Stratifolds to Exotic Spheres

Ricci Flow and the Sphere Theorem

Basic Math & Pre-Algebra For Dummies: Edition 2

Optimal Control of Partial Differential Equations: Theory, Methods, and Applications