"Version: 20190701"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.part I. Vortices in Flatland. 1. Vortices -- 1.1. Space-time symmetries -- 1.2. Quantum liquids -- 1.3. Vorticity in classical fluids -- 1.4. Vorticity in quantum liquids2. Quasiparticle picture -- 2.1. Emergence of quasiparticles -- 2.2. B…