Differential Galois theory is an important, fast developing area which appears more and more in graduate courses since it mixes fundamental objects from many di

From the reviews: "This is a great book, which will hopefully become a classic in the subject of differential Galois theory. [...] the specialist, as well as th

This graduate-level introduction to ordinary differential equations combines both qualitative and numerical analysis of solutions, in line with Poincaré's visi

This book is about differentiation of functions. It is divided into two parts, which can be used as different textbooks, one for an advanced undergraduate cours

Offers a self-contained introduction to braid foliation techniques, which is a theory developed to study knots, links and surfaces in general 3-manifolds and mo