The bounded indecomposable-syzygy conjecture for local Golod rings

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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.

References

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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