Definition 28.15.4. Let X be a scheme. Let x \in X. The number of branches of X at x is the number of branches of the local ring \mathcal{O}_{X, x} as defined in More on Algebra, Definition 15.106.6. The number of geometric branches of X at x is the number of geometric branches of the local ring \mathcal{O}_{X, x} as defined in More on Algebra, Definition 15.106.6.
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