三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 據(jù)??(ju)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)官??(guan)網(wǎng)??(wang)信??(xin)息??(xi)?,30多??(duo)年??(nian)來??(lai)?,楊??(yang)樂??(le)在??(zai)函??(han)數(shù)??(shu)值??(zhi)分??(fen)布??(bu)論??(lun)、幅??(fu)角??(jiao)分?(fen)布?(bu)論??(lun)、正??(zheng)規(guī)??(gui)族??(zu)等??(deng)方?(fang)面?(mian)取??(qu)得?(de)了??(le)一??(yi)系??(xi)列??(lie)的??(de)重??(zhong)要??(yao)研??(yan)究??(jiu)成??(cheng)果??(guo):1.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)了??(le)精??(jing)確??(que)結(jié)??(jie)果??(guo)?,回??(hui)答??(da)了??(le)著??(zhu)名??(ming)專??(zhuan)家??(jia)D.Drasin 提??(ti)出??(chu)的??(de)三??(san)個??(ge)問??(wen)題??(ti)?,首??(shou)先??(xian)揭??(jie)示??(shi)了??(le)虧??(kui)函??(han)數(shù)??(shu)的??(de)可??(ke)數(shù)?(shu)性??(xing);2.在??(zai)函??(han)數(shù)??(shu)正??(zheng)規(guī)??(gui)族??(zu)理??(li)論??(lun)中??(zhong)?,研??(yan)究??(jiu)了??(le)不??(bu)動??(dong)點??(dian)、微??(wei)分??(fen)多??(duo)項??(xiang)式??(shi)的??(de)取??(qu)值??(zhi)與??(yu)正??(zheng)規(guī)??(gui)性??(xing)的??(de)關(guān)??(guan)系?(xi);3.他??(ta)與??(yu)張??(zhang)廣??(guang)厚??(hou)首??(shou)次??(ci)揭?(jie)示??(shi)了??(le)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)間??(jian)的??(de)緊??(jin)密??(mi)聯(lián)??(lian)系??(xi)?,給??(gei)出??(chu)了??(le)最??(zui)佳??(jia)估??(gu)計??(ji);4.獲??(huo)得??(de)了??(le)亞?(ya)純??(chun)函??(han)數(shù)??(shu)波??(bo)萊??(lai)爾??(er)(Borel)方?(fang)向??(xiang)的??(de)分??(fen)布??(bu)規(guī)??(gui)律??(lv)?,對??(dui)奇??(qi)異??(yi)方??(fang)向??(xiang)在??(zai)涉??(she)及??(ji)導??(dao)數(shù)??(shu)與??(yu)重??(zhong)值??(zhi)時??(shi)作?(zuo)了??(le)深??(shen)入??(ru)研??(yan)究??(jiu)?。??他??(ta)還??(hai)和??(he)英??(ying)國??(guo)海??(hai)曼??(man)(W. K. Hayman )教??(jiao)授??(shou)合??(he)作??(zuo)研??(yan)究??(jiu)了??(le)著??(zhu)名??(ming)數(shù)??(shu)學??(xue)家??(jia)立??(li)特??(te)沃??(wo)德??(de)(Littlewood)的??(de)一??(yi)個?(ge)猜?(cai)想??(xiang)?。他??(ta)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(guān)??(guan)系??(xi)??! ?7 歲??(sui)時??(shi)??,1956年??(nian)??,他??(ta)考??(kao)上?(shang)了??(le)北??(bei)京??(jing)大?(da)學??(xue)數(shù)??(shu)學??(xue)力??(li)學?(xue)系??(xi)??。??
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