Assertion: curve | /r/CapableOf | call offset or parallel curve
Facets:
value: in mathematics
type: OTHER
Source sentences:
text: The curve at a fixed offset from a given Bézier curve, called an offset or parallel curve in mathematics (lying "parallel" to the original curve, like the offset between rails in a railroad track), cannot be exactly formed by a Bézier curve (except in some trivial cases).