三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 據(jù)??(ju)中??(zhong)國(guó)??(guo)科??(ke)學(xué)??(xue)院??(yuan)數(shù)??(shu)學(xué)??(xue)與??(yu)系??(xi)統(tǒng)??(tong)科?(ke)學(xué)??(xue)研??(yan)究??(jiu)院??(yuan)官??(guan)網(wǎng)??(wang)信??(xin)息??(xi)??，30多??(duo)年??(nian)來(lái)??(lai)??，楊??(yang)樂?(le)在??(zai)函??(han)數(shù)??(shu)值??(zhi)分??(fen)布??(bu)論??(lun)、幅??(fu)角??(jiao)分秘(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(dǎo)??(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(gè)?(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(dòng)??(dong)點(diǎn)??(dian)、微??(wei)分??(fen)多??(duo)項(xiàng)??(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(jì)?(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(duì)?(dui)奇??(qi)異?(yi)方??(fang)向??(xiang)在??(zai)涉?(she)及?(ji)導(dǎo)??(dao)數(shù)?(shu)與??(yu)重??(zhong)值??(zhi)時(shí)??(shi)作??(zuo)了??(le)深??(shen)入??(ru)研??(yan)究??(jiu)??。??他??(ta)還??(hai)和??(he)英??(ying)國(guó)??(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(xué)??(xue)家?(jia)立??(li)特??(te)沃?(wo)德?(de)(Littlewood)的??(de)一??(yi)個(gè)??(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(shí)??(shi)普??(pu)遍??(bian)與??(yu)精??(jing)確??(que)的??(de)虧??(kui)量??(liang)關(guān)??(guan)系??(xi)???！ ?964 年??(nian)??，25歲??(sui)的??(de)楊?(yang)樂??(le)開??(kai)始??(shi)與??(yu)張??(zhang)廣??(guang)厚??(hou)合??(he)作?(zuo)研??(yan)究??(jiu)全??(quan)純??(chun)與??(yu)亞??(ya)純??(chun)函??(han)數(shù)??(shu)族??(zu)??，并??(bing)獲??(huo)得??(de)了??(le)很??(hen)好??(hao)的??(de)成??(cheng)果?(guo)??，用??(yong)法??(fa)語(yǔ)??(yu)寫??(xie)成??(cheng)的??(de)學(xué)??(xue)術(shù)??(shu)論??(lun)文??(wen)于??(yu)次??(ci)年??(nian)發(fā)??(fa)表??(biao)在??(zai)《中??(zhong)國(guó)??(guo)科??(ke)學(xué)??(xue)》期??(qi)刊??(kan)上?(shang)??。??這??(zhe)項(xiàng)??(xiang)研??(yan)究??(jiu)成??(cheng)果??(guo)??，恰?(qia)好??(hao)解??(jie)決??(jue)了??(le)英??(ying)國(guó)??(guo)著?(zhu)名??(ming)數(shù)??(shu)學(xué)??(xue)家??(jia)海??(hai)曼??(man)于??(yu)同?(tong)年??(nian)一??(yi)次??(ci)國(guó)??(guo)際??(ji)數(shù)??(shu)學(xué)??(xue)會(huì)??(hui)議??(yi)中??(zhong)提??(ti)出??(chu)的??(de)《函??(han)數(shù)??(shu)論??(lun)研?(yan)究??(jiu)中??(zhong)的??(de)若??(ruo)干??(gan)問??(wen)題??(ti)》中??(zhong)的??(de)一??(yi)個(gè)??(ge)??，并??(bing)引??(yin)起??(qi)了??(le)國(guó)??(guo)際??(ji)同??(tong)行??(xing)的??(de)重??(zhong)視??(shi)???！暗??(dan)遺??(yi)憾??(han)的?(de)是??(shi)??，由??(you)于??(yu)當(dāng)??(dang)時(shí)?(shi)我??(wo)國(guó)??(guo)與??(yu)國(guó)??(guo)際??(ji)科??(ke)技??(ji)交??(jiao)流??(liu)渠??(qu)道??(dao)的??(de)匱??(kui)乏??(fa)??，我??(wo)們??(men)到??(dao)很??(hen)多??(duo)年?(nian)以??(yi)后??(hou)才?(cai)知??(zhi)道??(dao)海??(hai)曼??(man)所??(suo)提??(ti)的??(de)問??(wen)題??(ti)???！?/p>
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