2018
DOI: 10.1112/s0010437x18007200
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The vanishing cycles of curves in toric surfaces I

Abstract: This article is the first in a series of two in which we study the vanishing cycles of curves in toric surfaces. We give a list of possible obstructions to contract vanishing cycles within a given complete linear system. Using tropical means, we show that any non-separating simple closed curve is a vanishing cycle whenever none of the listed obstructions appears.

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Cited by 13 publications
(39 citation statements)
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“…Theorem A also addresses a conjecture that was independently formulated by the author in [Sal16] in the case of X = CP 2 , and in full generality by Crétois-Lang [CL17a].…”
Section: Introductionmentioning
confidence: 56%
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“…Theorem A also addresses a conjecture that was independently formulated by the author in [Sal16] in the case of X = CP 2 , and in full generality by Crétois-Lang [CL17a].…”
Section: Introductionmentioning
confidence: 56%
“…We write ∆(d) := ∆ ∩ dZ 2 , relative to any such embedding. The following is a combination of Propositions 7.13 and 7.16 of [CL17a].…”
Section: Linear Systems In Toric Surfacesmentioning
confidence: 89%
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