 ##  [Branch Cut](/branch-cut) 

  ##  [Branch Cut](https://mathlogic.quantumdictionary.io/branch-cut-0) 

  

 [![Mathematics & Logic Dictionary](/sites/default/files/styles/large/public/2026-01/Mathematics%20%26%20Logic.png.webp?itok=UhtTRPnp)](/topic-specific-dictionaries/natural-formal-sciences/mathematics-logic)

- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A curve or set removed from the domain of a multivalued function so that the remaining domain admits a single-valued analytic branch; a branch cut prevents closed loops that produce nontrivial monodromy around branch points.