<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>14058</termId><termName>CÁLCULO DE VARIAÇÕES</termName><termType>PT</termType><termLanguage>pt</termLanguage><termVocabulary>Vocabulário Controlado da USP</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>CÁLCULO DE VARIAÇÕES</termSortkey><termCreatedDate>CÁLCULO DE VARIAÇÕES</termCreatedDate><relation><relationType>UF</relationType><termId>14097</termId><termName>CÁLCULO VARIACIONAL </termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>61896</termId><termName>MATEMÁTICA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>14040</termId><termName>CÁLCULO ABSOLUTO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>78354</termId><termName>PRINCÍPIO DE FRIEDRICHS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>78495</termId><termName>PROBLEMA DE BOLZA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>78504</termId><termName>PROBLEMA DE LAGRANGE</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>78507</termId><termName>PROBLEMA DE MAYER</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>78570</termId><termName>PROBLEMAS ISOPERIMÉTRICOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>92061</termId><termName>SUPERFÍCIES GENERALIZADAS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>94110</termId><termName>TEORIA DE HAMILTON-JACOBI</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>94119</termId><termName>TEORIA DE MORSE</termName><termType>PT</termType></relation></term>  </Zthes>