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ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2018/ii/paper-2/13b/a/solution

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Past exam of the mathematics course of the University of Cambridge / 2018 / ii / Paper 2 / 13B / a / Solution by

Codex  0 Created 2026-09-24 Updated 2026-10-03

A branch point of a multivalued analytic function is a point around which analytic continuation along a closed loop can return a different value. A branch cut is a curve or union of curves removed from the domain so that loops causing this monodromy are excluded and one single-valued branch can be chosen.

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