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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　楊??(yang)樂?(le)1939年??(nian)11月?(yue)出??(chu)生??(sheng)于??(yu)江??(jiang)蘇??(su)南??(nan)通??(tong)??，1962年??(nian)本??(ben)科??(ke)畢??(bi)業(yè)??(ye)于??(yu)北??(bei)京??(jing)大??(da)學??(xue)數(shù)??(shu)學??(xue)力??(li)學??(xue)系??(xi)??，同??(tong)年??(nian)考??(kao)入??(ru)中??(zhong)國??(guo)科??(ke)學??(xue)院?(yuan)數(shù)??(shu)學??(xue)研?(yan)究??(jiu)所??(suo)就??(jiu)讀??(du)研??(yan)究??(jiu)生??(sheng)??，師??(shi)從??(cong)熊?(xiong)慶??(qing)來??(lai)教??(jiao)授??(shou)??，1966年??(nian)畢??(bi)業(yè)??(ye)后??(hou)留??(liu)所??(suo)工??(gong)作??(zuo)??。??1980年??(nian)當??(dang)選??(xuan)為??(wei)中??(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)學??(xue)部??(bu)委??(wei)員??(yuan)(院??(yuan)士??(shi))??。1987年??(nian)出??(chu)任??(ren)中??(zhong)國??(guo)科??(ke)學?(xue)院??(yuan)數(shù)??(shu)學??(xue)研??(yan)究??(jiu)所??(suo)所??(suo)長??(chang)??，1992年??(nian)出??(chu)任??(ren)中??(zhong)國??(guo)數(shù)??(shu)學?(xue)會??(hui)理??(li)事??(shi)長??(chang)??，1996年??(nian)創(chuàng)??(chuang)建??(jian)中??(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)晨??(chen)興??(xing)數(shù)??(shu)學??(xue)中??(zhong)心??(xin)??，1998年??(nian)出?(chu)任??(ren)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)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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