ScalingStacks

Lemma 1.2.3 ( [ Ful93 , p. 99] ). [04ME]

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Lemma 1.2.3 ([Ful93, p. 99]).

The primitive generators of the rays of the fan satisfy the following relation:

up+uq=−∑ul∈σC(C⋅Zl)ul.u_{p}+u_{q}=-\sum_{u_{l}\in\sigma_{C}}(C\cdot Z_{l})u_{l}.

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