Ascent and descent of the Golod property along algebra retracts
arXiv:1511.09292 · doi:10.1016/j.jalgebra.2017.02.009
Abstract
We study ascent and descent of the Golod property along an algebra retract. We characterise trivial extensions of modules, fibre products of rings to be Golod rings. We present a criterion for a graded module over a graded affine algebra of characteristic zero to be a Golod module.
16 pages