Jaro 2025 "Twistor theory"
Tim Adamo, Lectures on twistor theory
Introduction to Twistor Theory Part 1 Introduction to Twistor Theory Part 2 Introduction to Twistor Theory Part 3
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Podzim 2024 "Kleinova korespondence" a "Lie sphere geometry"
Thomas E. Cecil, Lie Sphere Geometry: With Applications to Submanifolds, 2nd edition, Springer Science & Business Media, 2013
Oriented circles and 3D relativistic geometry I Oriented circles and relativistic geometry II