Geodesic
Tropical intersection products on smooth varieties
Journal of the European Mathematical Society, Tome 14 (2012) no. 1, pp. 107-126

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In analogy to [AR07,Chapter9], ee define an intersection product of tropical cycles on tropical linear spaces Lkn​, i.e. on tropical fans of the type max{0,x1​,...,xn​}n−k⋅Rn. Afterwards we use this result to obtain an intersection product of cycles on every smooth tropical variety, i.e. on every tropical variety that arises from gluing such tropical linear spaces. In contrast to classical algebraic geometry these products always yield well-defined cycles, not cycle classes only. Using these intersection products we are able to define the pull-back of a tropical cycle along a morphism between smooth tropical varieties. In the present article we stick to the definitions, notions and concepts introduced in [AR07].
DOI : 10.4171/jems/297
Classification : 14-XX, 52-XX, 00-XX
Keywords: Algebraic geometry, tropical geometry, intersection theory 
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     title = {Tropical intersection products on smooth varieties},
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Lars Allermann. Tropical intersection products on smooth varieties. Journal of the European Mathematical Society, Tome 14 (2012) no. 1, pp. 107-126. doi: 10.4171/jems/297

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