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For questions about tropical geometry, piece-wise linear functions with integer slopes, tropical degenerations and applications of tropical geometry, max-plus algebra, and tropical semifields.

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Is there a Galois theory for $\mathbb R_{\geq 0}$?

The question seems to be about algebraic geometry of commutative semirings (these are rings without subtraction). The theory by Toen-Vaquié (and others) in "Au-dessous de $Spec \mathbb{Z}$" develops …
HeinrichD's user avatar
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