2011/07/14 by János Kollár, Kollár, János
Mathematics · #14E30 #14J15 #14J17 #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG #msc:14E30 #msc:14J15 #msc:14J17
paper · pdf · doi:10.48550/arxiv.1107.2863
arxiv created 2012/11/14 · arxiv updated 2012/11/15
We define the "source" and the "spring" of a log canonical center and use them to solve several problems in higher-codimension adjunction. The main application is to the construction of semi log canonical pairs. Version 2: References updated. Version 3: Many small changes.