Schreyer's geometric syzygy conjecture for canonical curves

Let CC be a general curve of genus gg. For each relevant homological index ii, the linear syzygy space Ki,1(C,ωC)\mathrm{K}_{i,1}(C,\omega_C) consists of syzygies of rank at least i+1i+1.

Geometric Syzygy Conjecture. All linear syzygy spaces Ki,1(C,ωC)\mathrm{K}_{i,1}(C,\omega_C) are spanned by syzygies of minimal rank i+1i+1.

This is Schreyer's geometric form of the minimal syzygy conjecture: the linear syzygies of a general canonical curve should arise from the rational normal scrolls containing it. The source provides no resolution status, so the conjecture is recorded as open.

Sources & referencesView supporting material

Primary source

Michael Kemeny and Peter Yi Wei, “The Geometric Syzygy Conjecture in Positive Characteristic”, arXiv:2509.00844 (2025).

Additional references

2 papers in this index state this conjecture (2021–2025). The statement above is taken from the most recent of them; the others are arXiv:2104.10624.

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