give a complete description of the Newton polytope of E A . It turns out to coincide with the secondary polytope Σ(A) (see Chapter 7);
give a formula (prime factorization) expressing E A as a product of Δ A and discriminants corresponding to some subsets of A;
give a formula for the product of values of a polynomial at its critical points in terms of the principal A-determinants.
KeywordsToric Variety Coherent Sheave Laurent Polynomial Characteristic Cycle Principal Determinant
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