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4 votes

Parameter space for complete intersections and their discriminant

Many properties of the discriminant, $\Delta\subset GCI_{d^{r_1}_1\cdots d^{r_k}_k}$ can be obtained from the local consideration (Looijenga's book). It is a reduced divisor. …
Dmitry Kerner's user avatar
11 votes
2 answers
1k views

Parameter space for complete intersections and their discriminant

(a relevant question on this locus in Hilbert scheme) Consider the discriminant in the parameter space of complete intersections, i.e. the locus parametrizing singular c.i.'s. …