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.
References
Primary source
Li Li, “Syzygies of general projections of canonical and paracanonical curves”, arXiv:2407.08492 (2024).
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