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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2507.15043 |
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Table of Contents:
- Cattani's theorem for graded Artinian Gorenstein algebras states that the ordinary Hodge-Riemann relations imply the mixed Hodge-Riemann relations under certain conditions. We give a new proof of this result for codimension two algebras. Our proof leads to a Hessian criterion for totally positive Toeplitz matrices, which is analogous to the Wronskian criterion for totally positive flags discovered recently by S. Karp.