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- W2244835082 abstract "We consider the question of when points in tropical affine space uniquely determine a tropical hypersurface. We introduce a notion of multiplicity of points so that this question may be meaningful even if some of the points coincide. We give a geometric/combinatorial way and a tropical linear-algebraic way to approach this question. First, given a fixed hypersurface, we show how one can determine whether points on the hypersurface determine it by looking at a corresponding marking of the dual complex. With a regularity condition on the dual complex and when the number of points is minimal, we show that our condition is equivalent to the connectedness of an appropriate sub-complex. Second, we introduce notions of non-singularity of tropical matrices and solutions to tropical linear equations that take into account our notion of multiplicity and prove a Cramer's Rule type theorem relating them." @default.
- W2244835082 created "2016-06-24" @default.
- W2244835082 creator A5018324461 @default.
- W2244835082 date "2015-09-18" @default.
- W2244835082 modified "2023-09-27" @default.
- W2244835082 title "Determining Tropical Hypersurfaces" @default.
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- W2244835082 hasPublicationYear "2015" @default.
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