三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 中??(zhong)新??(xin)社??(she)北??(bei)京??(jing)10月??(yue)23日??(ri)電??(dian) 中??(zhong)國?(guo)科??(ke)學??(xue)院??(yuan)數(shù)??(shu)學??(xue)與??(yu)系??(xi)統(tǒng)??(tong)科??(ke)學?(xue)研??(yan)究??(jiu)院??(yuan)10月??(yue)22日??(ri)晚??(wan)發(fā)??(fa)布??(bu)訃??(fu)告??(gao):中??(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)院??(yuan)士??(shi)、著??(zhu)名??(ming)數(shù)?(shu)學??(xue)家??(jia)、中?(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)數(shù)??(shu)學??(xue)與??(yu)系??(xi)統(tǒng)??(tong)科?(ke)學??(xue)研??(yan)究??(jiu)院??(yuan)首??(shou)任?(ren)院??(yuan)長??(chang)楊??(yang)樂??(le)??,因??(yin)病?(bing)醫(yī)??(yi)治??(zhi)無??(wu)效??(xiao)??,于??(yu)22日??(ri)下??(xia)午??(wu)在??(zai)北??(bei)京??(jing)逝??(shi)世??(shi)??,享??(xiang)年??(nian)83歲??(sui)??。? 楊??(yang)樂??(le)主??(zhu)要??(yao)從??(cong)事??(shi)復??(fu)分?(fen)析??(xi)研??(yan)究??(jiu)?,在??(zai)亞??(ya)純??(chun)函??(han)數(shù)??(shu)與??(yu)其??(qi)導??(dao)數(shù)??(shu)的??(de)總??(zong)虧??(kui)量??(liang)方??(fang)面??(mian)獲??(huo)得?(de)精??(jing)確??(que)結??(jie)果??(guo)?,揭??(jie)示??(shi)了??(le)虧??(kui)函??(han)數(shù)??(shu)的??(de)可??(ke)數(shù)??(shu)性??(xing);他??(ta)與??(yu)張??(zhang)廣??(guang)厚??(hou)合?(he)作??(zuo)發(fā)??(fa)現(xiàn)??(xian)整??(zheng)函??(han)數(shù)??(shu)與??(yu)亞??(ya)純??(chun)函??(han)數(shù)??(shu)的??(de)虧??(kui)值??(zhi)數(shù)??(shu)目??(mu)與??(yu)奇??(qi)異??(yi)方??(fang)向??(xiang)數(shù)??(shu)目??(mu)之??(zhi)間??(jian)的??(de)緊??(jin)密??(mi)聯(lián)??(lian)系??(xi)?,給??(gei)出??(chu)最?(zui)佳??(jia)估??(gu)計??(ji);獲??(huo)得??(de)了?(le)亞??(ya)純??(chun)函??(han)數(shù)??(shu)在??(zai)涉??(she)及??(ji)重??(zhong)值??(zhi)時??(shi)普??(pu)遍??(bian)與?(yu)精??(jing)確??(que)的??(de)虧??(kui)量?(liang)關??(guan)系??(xi)?。??他??(ta)在??(zai)值??(zhi)分??(fen)布??(bu)理??(li)論??(lun)的??(de)出??(chu)色?(se)成??(cheng)果??(guo)是??(shi)中??(zhong)國??(guo)數(shù)??(shu)學??(xue)在??(zai)那??(na)個??(ge)時?(shi)代??(dai)享??(xiang)譽??(yu)世??(shi)界??(jie)的??(de)一??(yi)項??(xiang)代??(dai)表?(biao)性??(xing)工??(gong)作??(zuo)?。
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責編:楊之光
審核:吉尼
責編:呂程平