Craig Huneke
,
Srikanth B. Iyengar
,
Roger Wiegand
Abstract
Motivated by a conjecture of Huneke and Wiegand concerning torsion in tensor products of modules over local rings, we investigate the existence of ideals $I$ in a one-dimensional Gorenstein local ring $R$ satisfying $\text {Ext}^{1}_{R}(I,I)= 0$.