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 ExtR1(I,I)=0.
机构:
Nanjing Normal Univ, Sch Math & Comp Sci, Inst Math, Nanjing 210097, Jiangsu, Peoples R ChinaNanjing Normal Univ, Sch Math & Comp Sci, Inst Math, Nanjing 210097, Jiangsu, Peoples R China
Li, Linlin
Wei, Jiaqun
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机构:
Nanjing Normal Univ, Sch Math & Comp Sci, Inst Math, Nanjing 210097, Jiangsu, Peoples R ChinaNanjing Normal Univ, Sch Math & Comp Sci, Inst Math, Nanjing 210097, Jiangsu, Peoples R China