康明昌Kang, Ming-ChangMing-ChangKang2006-07-262018-06-282006-07-262018-06-282004-07-31http://ntur.lib.ntu.edu.tw//handle/246246/20986application/pdf330594 bytesapplication/pdfzh-TW國立臺灣大學數學系暨研究所RationalityNoether's problemMultiplicative actionsAlgebraic tori逆Galois問題與有理性問題(2/3)Rationality problem of GL4 group actionsreporthttp://ntur.lib.ntu.edu.tw/bitstream/246246/20986/1/922115M002014.pdf