<?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">mathematicians</topic></authority><related type="narrower"><topic>statisticians</topic></related><related type="narrower"><topic>algebraists</topic></related><related type="narrower"><topic>arithmeticians</topic></related><related type="narrower"><topic>geometers</topic></related><related type="narrower"><topic>trigonometers</topic></related><related type="narrower"><topic>mathematical physicists</topic></related><related type="other"><topic>mathematics</topic></related><related type="broader"><topic>scientists</topic></related><variant type="other"><topic>mathematician</topic></variant><variant type="other"><topic>mathematician&apos;s</topic></variant><variant type="other"><topic>mathematicians&apos;</topic></variant> <note xml:lang="en"><![CDATA[ Scientists who specialize in the science of numbers, magnitudes, quantities expressed symbolically, and forms and figures, including their interrelationships and the operations performed on them. ]]></note></mads>