2019/05/06 by Isobe, Ryotaro
#13D02 #13H10 #13H15 #Commutative Algebra (math.AC) #FOS: Mathematics
paper · doi:10.48550/arxiv.1905.02048
This paper studies Ulrich ideals in hypersurface rings. A characterization of Ulrich ideals is given. Using the characterization, we construct a minimal free resolution of an Ulrich ideal concretely. We also explore Ulrich ideals in a hypersurface ring of the form R = k[[X, Y]]/(f).