Generic finite schemes and Hochschild cocycles. Guerino Mazzola (1980) Commentarii mathematici Helvetici
Global minimal models for endomorphisms of projective space Clayton Petsche, Brian Stout (2014) Journal de Théorie des Nombres de Bordeaux We prove the existence of global minimal models for endomorphisms φ : ℙ N → ℙ N of projective space defined over the field of fractions of a principal ideal domain.