1 “... method, both classical and modern. This monograph is the winner of the 2021 Ferran Sunyer i Balaguer...”

2 “... i Balaguer Prize, a prestigious award for books of expository nature presenting the latest...”

3 Table of Contents: “...Preface -- Introduction -- Notation and conventions -- 1 Preliminaries on Lie groups -- 2...”

4 Table of Contents: “...Presentation of the Mumford-Shah Functional -- Functions in the Sobolev Spaces W1,p -- Regularity...”

5 “... the Institut d'Estudis Catalans for their encouragement of this work through the Ferran Sunyer i Balaguer Prize...”

6 “... old problems and posing new questions. This monograph is the winner of the 2020 Ferran Sunyer i...”

7 Table of Contents: “...1 The Prime Number Theorem and Generalizations -- 2 Artin L-Functions -- 3 Equidistribution and L...”

8 Table of Contents: “...1 Manifolds and Smooth Structures -- 2 Lie Group Actions -- 3 Pseudogroups and Groupoids -- 4...”

9 Table of Contents: “... Sunyer I Balaguer Prize? (Castellet) -- Intensive Collaborative Work on COVID-19 Modeling (Rao, Krantz...”

10 “... is the winner of the 2018 Ferran Sunyer i Balaguer Prize, a prestigious award for books of expository nature...”

11 Table of Contents: “...1 Carleson curves -- 1.1 Definitions and examples -- 1.2 Growth of the argument -- 1.3 Seifullayev...”

12 Table of Contents: “...4.1 Radially Symmetric Explicit Solutions -- 4.2 Some Qualitative Properties -- 4.3 Asymptotic...”