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简介：Inthisshortnote,weshowthebehaviorinOrliczspacesofbestapproximationsbyalgebraicpolynomialspairsonunionofneighborhoods,whenthemeasureofthemtendstozero.

简介：订的对(e，f)如果ef不是幂等，而fe是幂等，常规semigroup的幂等被称为斜对。我们以前证明了有幂等的斜对的四种不同类型。这里，我们在完整的转变semigroups调查如此的斜对的普遍存在。关键词完整的转变semigroups-幂等-斜对先生(2000)题目分类20M20

简介：Inthispaper,weconsiderthesimultaneousrepresentationofpairsofintegersaslinearcombinationsinthreeprimevariablesandobtainarelatednumericalbound.

简介：HerepresentedisaunifiedapproachtoawideclassofsymmetricSfirlingnumberpairs,whichisdeterminedbyfourcomplexparametersandincludesasparticularcasesvariouspreviousextensionsofStirlingnumbersduetoCarlicz,Howard,Koutras,Gould-Hopper,respectively.CertainSchlomilch-typeformulasandcongruencepropertieswillbealsoexhibited.

简介：让b(n)表示n的立方的分区对的数字。在这份报纸，我们试图提供策略获得b(n)的算术性质。这把肯定答案给二Lins推测。

简介：在这份报纸，我们为间隔地图与某旋转对介绍强烈简单的周期的观点并且证明如果一张间隔地图与给定的旋转对有一个周期，那么，它与一样的旋转对有一个强烈简单的周期。关键词间隔地图-强烈简单的周期-旋转对先生(2000)题目分类58F10-54H20工程由NNSF支持了(10461001，10361001)并且GNSF(0447004)

简介：Fornon-negativeintegersi,jandk,wedenotethegeneralizednetasN_(i,j,k),whichisatrianglewithdisjointpathsoflengthi,jandk,attachedtodistinctverticesofthetriangle.Inthispaper,weprovethatevery3-connected{K_(1,3),N_(8-i,i,1}-freegraphishamiltonian,where1≤i≤4.

简介：Heptacyclo[6.6.0.02,6.03,13.04,11.05,9,010,14]tetradecaneisacage-shapedmoleculeofbothhighsymmetry(D2d)andhighrigidity.Inourpreviousreports,ithasbeenusedasanuniquespacergroupforelectrontransferprocessesbetweenadonor(D)andanacceptor(A)substituent.TheDandAchromophorescanbealignedalongastraightline,eithercoplanar(0°dihedralangle)orperpendicular(90°dihedralangle)withrespecttoeachother.Knowledgecollectedinthisworkmaybeusefulforthedesignofphoto-electronicdevices,suchaselectrochemicalsensors,photovoltaiccells,molecularrectifiersandswitches,etc.

简介：1.Ma?daCalendarandAkitiCalendarfrom?45to48Thedatingofthetextsfromthereignof?ulgiisquitecomplexworksincefrom?45onwards,thefirstmonthofayearstartedfromtheAkitimonth,whichwasthesixthmonthofthenormalMa?daCalendarusedinPuzri?-Dagan.ThePuzri?-DagancalendarfollowedtheUrCalendar,butduringtheperiodof?ulgiandAmar-Sin,itssecondmonth,iti-ma?-dà～gu7,waschangedtobecomethefirstmonth,sothatthemonthiti-?e-kin-kudcouldbesynchronizedwiththemonthofthesamenameatNippur,the12thmonthofbothcalendars.WehavealsofoundsometextswhichusethemonthofAkitiasthefirstmonthandthemonthofitiezem-Ninazuasthelastmonth,whichitisintheAkitiCalendar.WedistinguishtheAkitiCalendaras?44’viii’→48’vii’,whichisequalto?45i→48xiiintheMa?daCalendar,forfouryears.

简介：用最少的参数，我们扩展任何线性多步方法(LMSM)的步转变操作员直到O([s+5])与顺序s=1并且为s=重写步转变操作员的扩大2(在一份以前的报纸由第二个作者获得了)。我们在conjugate关系G证明那[3][]oG[1][]=G[2][]oG[3][]与G[1]是LMSM，(1)G的顺序[2]不能比G的高[1]；(2)如果G[3]也是LMSM和G[2]是symplecticB系列，那么G的订单[1]，G[2]并且G[3]一定分别地是2，2和1。[从作者抽象]

简介：ＵＳＩＮＧ３ＰＲＩＭＥＲＰＡＩＲＳＴＯＤＥＴＥＣＴＨＢＶＤＮＡＩＮＬＩＶＥＲＴＩＳＳＵＥＳＦＲＯＭＨＥＰＡＴＯＣＥＬＬＵＬＡＲＣＡＲＣＩＮＯＭＡＳＷＩＴＨＰＣＲ　ＴＥＣＨＮＩＱＵＥＣｈｅｎＭｉｎｇ陈明；ＬｕＬｉｎｇ吕凌；ＹａｏＪｉｌｕ姚集鲁；Ｐｅｎｇ...

简介：Entangledphotonsarethefundamentalresourceinquantuminformationprocessing.Howtoproducethemefficientlyhasalwaysbeenamatterofconcern.HereweproposeanewwaytoproducecorrelatedphotonsefficientlyfrommonolayerWS2basedonboundstatesinthecontinuum(BICs).TheBICsofradiationmodesinthemonolayerWS2arerealizedbydesigningthephotoniccrystalslab-WS2-slabstructure.Thegenerationefficiencyofcorrelatedphotonpairsfromsuchastructurehasbeenstudiedbyusingarigorousquantummodelofspontaneousparametricdown-conversionwiththeplanewaveexpansionmethod.ItisfoundthatthegenerationefficiencyofcorrelatedphotonpairsisgreatlyimprovedifthesignalandidlerfieldsarelocatedattheBICsdeterminedbytheinversescatteringmatrixofthestructure.Thisisincontrasttotheparametricdown-conversionprocessfortheenhancedgenerationofnonlinearwavesifthepumpfieldislocatedattheBICsdeterminedbythescatteringmatrixofthestructure.Thegenerationrateofthecorrelatedphotonpairscanbeimprovedby7ordersofmagnitudeinsomedesignedstructures.Thegeneratedquantumsignalsaresensitivetothewavelengthandexhibitnarrowedrelativelinewidth,whichisverybeneficialforquantuminformationprocessing.

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简介：Weproposeandexperimentallydemonstratecompacton-chip1×2wavelengthselectiveswitches(WSSs)basedonsiliconmicroringresonators(MRRs)withnestedpairsofsubrings(NPSs).OwingtotheresonancesplittinginducedbytheinnerNPSs,theproposeddevicesarecapableofperformingselectivechannelroutingatcertainresonancewavelengthsoftheouterMRRs.SystemdemonstrationofdynamicchannelroutingusingfabricateddeviceswithoneandtwoNPSsiscarriedoutfor10Gb∕snon-return-to-zerosignal.Theexperimentalresultsverifytheeffectivenessofthefabricateddevicesascompacton-chipWSSs.

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