Lim Ulrich sequences and Boij-S\'{o}derberg cones

Authors :: Iyengar, Srikanth B.
Ma, Linquan
Walker, Mark E.
Publication Year :: 2022
Abstract: This paper extends the results of Boij, Eisenbud, Erman, Schreyer, and S\"oderberg on the structure of Betti cones of finitely generated graded modules and finite free complexes over polynomial rings, to all finitely generated graded rings admitting linear Noether normalizations. The key new input is the existence of lim Ulrich sequences of graded modules over such rings.<br />Comment: 26 pages