Definition 4.19 . [02PV]
Original official author HTML, exact retained edition. Historical TeX conversion verdicts remain unchanged. Cited-edition alignment and mathematical self-containment are not assessed.
Complete original source context · Original author HTML
Definition 4.19.
Let be a toric variety and a line bundle on . A toric structure on is the choice of a non-zero vector on the fibre over the distinguished point. A toric line bundle is a pair , where is a line bundle on and is a toric structure on . A rational section of a toric line bundle is a toric section if it is regular and nowhere vanishing on the principal open subset , and . In order not to burden the notation, a toric line bundle will generally be denoted by , the vector being implicit.