1. Analysis of nonhomogeneous helical systems using electrodynamical methods -- 2. Multiconductor line method -- 3. Calculation of characteristic impedances of multiconductor lines -- 4. Models and properties of slow-wave systems -- 5. Investigation of slow-wave systems applying versatile electromagnetic simulation and design tools -- 6. Investigation of slow-wave structures using synergy of various methods -- 7. Application of slow-wave structures for deflection of electron beams -- 8. Application of slow-wave systems for delay -- 9. Computer-aided design of electrodynamical delay lines.