2009/10/22 by Travis Kopp, Kopp, Travis
Mathematics · #14C20 (primary) #14E05 #14J40 #14J70 (secondary) #Advanced Algebra and Geometry #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #FOS: Mathematics #Finite Group Theory Research #math.AG #msc:14C20 #msc:14E05 #msc:14J40 #msc:14J70
paper · pdf · doi:10.48550/arxiv.0910.4235
21 pages, extends the results of arXiv:0812.3454
arxiv created 2009/10/22 · openalex publication_date 2009/10/22 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
This paper generalizes the easy addition formula. Given a normal variety X with an invertible sheaf L, inequalities are found bounding \ka(X,L) from above based on the behavior of L restricted to a subvariety or to a pair of "positive" intersecting subvarieties.