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简介：我在QQ上的签名是借用了费马的名字——这当然是因为他是一个数学家。可是数学家有那么多，我的签名为什么不用高斯，不用欧拉，不用莱布尼茨，偏偏要用费马呢？

简介：InthisnoteasimpleproofofthefamousFermat-Torricelliproblemisgiven.Fortheverticesofagiventriangle,FermatasksforafourthpointsuchthatthesumofitsEuclideandistancestothethreegivenpointsisminimized.ManyauthorspresentgeometricapproachestotheFermat-Torricelliproblem.Wesolvetheproblembyanalyticandgeometricalmethodandextendittothesphere.wealsocharacterizethemedianpointPonthegeneralregularsurface.

简介：利用初等数论的某些结论,对Fermat方程进行等价变化,得到它的11种等价形式,同时讨论在相应条件下,各等价形式的解的情况。

简介：在△ABC中,设R,r,s,Δ分别为外接圆、内切圆半径,三角形半周长和面积,a,b,c为边长,F为△ABC内部费马点,记FA=x,FB=y,FC=z,则有

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简介：""Mensaytheyhatetoshop,""saysZhukin,CityUniversityofNewYorkSociology(社会学)professor.""Yetwhenyouaskthemdeeperquestions,itturnsoutthattheyliketoshop.Mengenerallyliketoshopforbooks,musicandhardware.Butifyouaskthemabouttheshoppingtheydoforbooksormusic,they'llsay,'Well,that'snotshopping.That'sresearch.'""

简介：Romanticismisanimportantstageintheevolutionofman’sself-consciousness.Itshowsnewinterestinandnewconcernwithmanandnature.Wordsworthiswell-knownasanaturepoet.Thethemeofhumanmindandnatureinhispoemshaslongattractedreaders’attention.However,hedoesnotindulgeinnatureitselfbuttakesitasconsolationandinspirationforhumankind.Inordertohighlightthepoet’sconcernwithhumanmind,thepresentpaperchoosestoexploreWordsworth’sconcernwithchildren’smind,basedontheanalysisofWordsworth’sThePreludeandmanyofhispoemsaboutchildren.

简介：Sinceancienttimes,asoneofthesymbolsofuglyanddirty,prostitutesareinvariablylivingintheblackmarginsofsociety.Facingprostitutes’miseries,peoplealwayscannotunderstandtheiremotions,mentalitiesanddesires,ortreatsthemasequals,particularlyaswomen.ProstitutesareaspecialgroupintheoppressedwomeninWesternsocieties.MargaretandNanaaretwotypicalimagesoftheminthehistoryofwesternliterature.Withtearsandlives,theydeducetheirmiserablelifestoriessimilarly.

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简介：<正>PeopleintheUnitedStateshonortheirparentswithtwospecialdays:Mother’sDay,onthesecond

简介：文章剖析了C/S模式和B/S模式的优势与不足,在此基础上提出了让这两种模式优势互补的CB/S模式,并例举了使用VB实现CB/S模式的方案.

简介：ErdǒsandSósconjecturedin1963(see[1],Problem12in247)thateverygraphGonnverticeswithsizee(G)>1/2n(κ-1)containseverytreeTofsizek.Inthispaper,weprovetheconjectureforgraphswhosecomplementscontainnocyclesoflength4.

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简介：Abstract.Inthispaperweshallinvestigatetheboundofstaxlikvnessrfortheclass

简介：S.E.S.是当今韩国乐坛项尖级女子组合,97年出道以来即掀起少女组热潮。但近日却传出乐队将面临解散,二位队中成员将各自发展,消息传出后,震撼了整个韩国歌坛。据韩国《朝鲜日报》报道:这张名为《ChooseMyLife》(中译:选择自己的人生)的专辑,将是S.E.S最后的一张专辑,而且在唱片发布会当中,她们在言语间更隐约透露出独自发展的宣言,令人猜测乐队将面临决裂。

简介：IntheAmamaAge,contactsbetweenEgyptanditsvassals,especiallyvassalsinthenorthernCanaan,areattestedintheAmamaLetters.Amurruhasoncebeenapowerfulstateintheeyesofothervassals,asisreflectedbytheAmamaLetters.AmongtheAmarnaLetters,therewereatleast78lettersrelatingtoAmurru.JustasMurnanepointsout,“WhenAmurrufirstappearsonthepoliticalmapofSyriainthefourteenthcenturyB.C.,itisnotastheunifiedcountryitwastobecome,butasaloosegroupingofcitystates,eachunderitsownrulers,”thekingdomofAmurrumayconsistedofmanycity-states.