duo xiang shi you hua wen ti POP shi yi lei zai ke xue yu gong cheng zhong jiao wei chang jian de you hua wen ti ta ju you duo xiang shi mu biao han shu yu yue shu bao kuo le chang jian de xian xing gui hua LP er ci gui hua QP deng ju you zhong yao ying yong jia zhi de you hua wen ti yin ci dui POP jie fa de yan jiu shi you yi yi de jin nian lai Lasserre ti chu le yi zhong xin de qiu jie duo xiang shi you hua wen ti zui you zhi de fang fa 1 zhe zhong fang fa tong guo ji ge shu lun zhong de biao shi ding li dui duo xiang shi jin xing fen jie cong er gou zao yi xi lie ban ding gui hua SDP wen ti ta men de zui you zhi dan diao bi jin yuan duo xiang shi you hua wen ti de zui you zhi zhe zhong fang fa de you shi zai yu jiang ke neng NP nan de duo xiang shi you hua wen ti zhuan huan cheng le duo xiang shi shi jian ke jie de SDP wen ti bing qie zhe zhong zhuan huan shi yi zhi de dui yuan POP mei you te shu yao qiu zhe shi de gai fang fa shi yong mian hen guang qie qiu jie xiao guo you li lun bao zheng QP wen ti shi ju you er ci mu biao huo er ci yue shu de yi lei you hua wen ti zai xu duo ling yu ju you zhong yao de ying yong jia zhi zai gong ying lian guan li bo yi lun tou zi zu he tu lun zhi chi xiang liang ji deng xue ke ling yu QP du you shi fen zhong yao de ying yong zuo wei POP de zi wen ti ke yi zhi jie ying yong POP de qiu jie fang fa dui POP wen ti jin xing qiu jie yin wei zhe zhong xin fang fa de li lun ji chu yu chuan tong de QP fang fa bu tong suo yi you ke neng de chu you yu chuan tong fang fa de jie guo ling wai sui ran ta bu neng bao zheng qiu dao yuan wen ti de ke xing jie song chi wen ti de zui you jie ye ke yi zuo wei yi ge zhong yao de can kao ji yu zhe xie kao lv ben wen cai yong zhe zhong xin de POP fang fa dui ji ge QP wen ti jin xing shi ji qiu jie