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- W1625049415 abstract "Sometimes it is possible to extend some using Newton polyhedra computations in algebraic geometry from polynomials to exponential sums. For this purpose it is useful to consider analogues of tropical varieties in complex space. These analogues are called exponential tropical varieties (ETV). We construct the ring of ETV. Algebraic tropical varieties form the subring of the ring of ETV. In this paper we connect ETV with the complex Monge-Ampere operator action on the space of piecewise linear functions in complex vector space. We show that all ETV arise as results of such operator action. We give some applications of this connection. One of the applications is a criterion for zero value of a mixed Monge-Ampere operator. This criterion is the modification of the criterion for zero value of a mixed volume of convex bodies. The proof is the modification of A. Khovanskii's unpublished proof of the corresponding theorem on mixed volumes. In the part 1 we give the definition of ETV and detail statements of theorems (without proofs). In the part 2 we prove the theorems on the action of the Monge-Ampere operator." @default.
- W1625049415 created "2016-06-24" @default.
- W1625049415 creator A5018647815 @default.
- W1625049415 date "2012-12-21" @default.
- W1625049415 modified "2023-09-27" @default.
- W1625049415 title "Exponential tropical varieties and complex Monge-Ampere operator" @default.
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