2 papers
math.AG2005
Remarks on Type III Unprojection
Stavros Argyrios Papadakis
Type III unprojection plays a very important role in the birational geometry of Fano threefolds. It was first introduced by A. Corti on his calculations of Fano threefolds of genus…
math.AG2005
Type II Unprojection
Stavros Argyrios Papadakis
Answering a question of M. Reid, we define and prove the Gorensteiness of the type II unprojection.