<?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_es">matemáticos</topic></authority><related type="narrower"><topic>estadísticos</topic></related><related type="narrower"><topic>algebristas</topic></related><related type="narrower"><topic>aritméticos</topic></related><related type="narrower"><topic>geómetras</topic></related><related type="narrower"><topic>trigonometras</topic></related><related type="narrower"><topic>físicos matemáticos</topic></related><related type="other"><topic>matemáticas</topic></related><related type="broader"><topic>científicos</topic></related><variant type="other"><topic>matemático</topic></variant> <note xml:lang="es"><![CDATA[ Científicos que se especializan en la ciencia de los números, magnitudes, expresiones simbólicas cuantitativas y formas y figuras, incluyendo su interrelaciones y operaciones correspondientes entre si. ]]></note></mads>