Abstract
Given two determinantal rings over a eld k, we consider the Rees algebra of the diagonal ideal, the kernel of the multiplication map. The special ber ring of the diagonal ideal is the homogeneous coordinate ring of the secant variety. When the Rees algebra and the symmetric algebra coincide, we show that the Rees algebra is Cohen- Macaulay.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 561-586 |
| Number of pages | 26 |
| Journal | Journal of Commutative Algebra |
| Volume | 6 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2014 |
All Science Journal Classification (ASJC) codes
- Algebra and Number Theory
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