The bounded indecomposable-syzygy conjecture for local Golod rings

Let (R,m,k)(R,\mathfrak{m},k) be a local Golod ring of embedding codimension ee. An indecomposable-syzygy conjecture asserts that there is a set of at most e+1e+1 indecomposable RR-modules from which every syzygy of kk may be built as a direct sum.

This would generalize the phenomenon established in the paper for embedding codimension 22, where at most three non-isomorphic indecomposable modules occur among the direct-sum decompositions of the syzygy modules of kk. The statement is presented as an observation from experiments for embedding codimension greater than 22; no proof or resolution is supplied here.

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Primary source

Doan Trung Cuong, Hailong Dao, David Eisenbud, Toshinori Kobayashi, Claudia Polini and Bernd Ulrich, “Syzygies of the residue field over Golod rings”, arXiv:2408.13425 (2025).

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