<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">curves</topic></authority><related type="narrower"><topic>caturguṇa-sūtra</topic></related><related type="other"><topic>curved</topic></related><related type="broader"><topic>geometric figures</topic></related><variant type="other"><topic>curve</topic></variant> <note xml:lang="en"><![CDATA[ Lines having a locus that may be conceived to be traced by a moving point, the direction of motion continuously changing or deviating from a straight line. A closed curve is a path that repeats itself, and thus encloses one or more regions; simple examples include circles, ellipses, and polygons. Open curves such as parabolas, hyperbolas, and spirals have infinite length. ]]></note></mads>