Array ( [0] => Array ( [title] => L19A [link] => https://www.youtube.com/embed/AfArsPnz0GQ ) [1] => Array ( [title] => L19B [link] => https://www.youtube.com/embed/aePGmEXWe80 ) [2] => Array ( [title] => L19C [link] => https://www.youtube.com/embed/1GEuCcOC2XQ ) [3] => Array ( [title] => L19D [link] => https://www.youtube.com/embed/ev9U44BORrs ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第19R講 單位圓盤的自同構群、複平面的自同構群、環帶間的解析同構