On the embeddings of the Riemann sphere with nonnegative normal bundles

Abstract

We describe the (complex) quaternionic geometry encoded by the embeddings of the Riemann sphere, with nonnegative normal bundles.

10 pages; improved version

References in corpus (4)

• Twistor Theory for CR quaternionic manifolds and related structures
• Birational Geometry of Rationally Connected Manifolds via Quasi-lines
• On the integrability of the co-CR quaternionic structures
• On the twistor space of a (co-)CR quaternionic manifold

Cited by in corpus (3)

• (Pluri)harmonic morphisms and the Penrose-Ward transform
• Twistorial structures revisited
• Almost $G_2$-manifolds with almost twistorial structures