MathDB
connectedness

Source: LIMIT 2019 CCS1 P6

April 28, 2021
abstract algebra

Problem Statement

Which of the following are true? <spanclass=latexbold>(A)</span> GL(n,R) is connected<span class='latex-bold'>(A)</span>~GL(n,\mathbb R)\text{ is connected} <spanclass=latexbold>(B)</span> GL(n,C) is connected<span class='latex-bold'>(B)</span>~GL(n,\mathbb C)\text{ is connected} <spanclass=latexbold>(C)</span> O(n,R) is connected<span class='latex-bold'>(C)</span>~O(n,\mathbb R)\text{ is connected} <spanclass=latexbold>(D)</span> O(n,C) is connected<span class='latex-bold'>(D)</span>~O(n,\mathbb C)\text{ is connected}