Syzygy conjecture for general projections of canonical curves
Syzygy conjecture for general projections of canonical curves
Let be a generic canonical curve of genus , and let be a generic point. Write for the projection of away from to a hyperplane, and let denote the graded Betti numbers of its syzygy resolution. Then the canonical projection conjecture. The curve has the following properties: (1) it satisfies ; (2) the length of the linear strands of its syzygy resolution is , meaning that if and only if ; and (3) if , then , with the extra syzygy having maximal rank. These predictions refine the expected syzygies of general projections and remain conjectural in the stated generality.
Sources & referencesView supporting material
Primary source
Li Li, “Syzygies of general projections of canonical and paracanonical curves”, arXiv:2407.08492 (2024).
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