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A Gröbner Basis for the Secant Ideal of the Second Hypersimplex
| Content Provider | Semantic Scholar |
|---|---|
| Author | Sullivant, Seth |
| Copyright Year | 2008 |
| Abstract | We determine a Gröbner basis for the secant ideal of the toric ideal associated to the second hypersimplex ∆(2, n), with respect to any circular term order. The Gröbner basis of the secant ideal requires polynomials of odd degree up to n. This shows that the circular term order is 2-delightful, resolving a conjecture of Drton, Sturmfels, and the author. The proof uses Gröbner degenerations for secant ideals, combinatorial characterizations of the secant ideals of monomial ideals, and the relations between secant ideals and prolongations. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://arxiv.org/pdf/0804.2897v2.pdf |
| Alternate Webpage(s) | http://arxiv.org/pdf/0804.2897v1.pdf |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Abnormal degeneration Gröbner basis Monomial Polynomial Secant method |
| Content Type | Text |
| Resource Type | Article |
