简介：FranklandFürediin[1]conjecturedthatther-graphwithmedgesformedbytakingthefirstmsetsinthecolexorderingofN（r）hasthelargestLagrangianofallr-graphswithmedges.Denotethisr-graphbyCr,mandtheLagrangianofahypergraphbyλ（G）.Inthispaper,wefirstshowthatif(3t-1)≤m<（3t）,Gisaleft-compressed3-graphwithmedgesandonvertexset[t],thetriplewithminimumcolexorderinginGcis（t—2—i）（t—2）t,thenλ（G）≤λ(C3,m).Asanimplication,theconjectureofFranklandFiirediistruefor（3t）-6≤m≤（3t）.

简介：在这篇论文，我们与都应当是与有限的基本的组一起的3-manifolds的S3-geometry,manifolds的可能的自我印射的度决定了所有。这是一个工程的部分决定所有关上的东方的所有可能的自我印射的度在Thurston的图画的有能力的3-manifold。

简介：<正>LetMbeacompactminimalsurfaceinS3.Y.J.Hsuprovedthatif‖S‖2≤2(21/2π,thenMiseithertheequatorialsphereortheCliffordtorus,where5"isthesquareofthelengthofthesecondfundamentalformofM,‖·‖2denotestheL2-normonM.Inthispaper,wegeneralizeHsu’sresulttoanycompactsurfacesinS3withconstantmeancurvature.

简介：Inthispaperweobtainthebestapproximationconstantoffunctionf（x）(∈C2π)bytheJackson’stypeoperatorJπ3（f;x）,i.e.‖Jn,3（f,x）-f（x）‖c≤（4-6/π）ω（f,1/n）,‖Jn,3（f,x）-f（x）‖c≤（8-17/π）ω2（f,1/n）

简介：AgraphGiscalledchromatic-choosableifitschoicenumberisequaltoitschromaticnumber,namelych(G)=χ(G).Ohba’sconjecturestatesthateverygraphGwith2χ(G)+1orfewerverticesischromaticchoosable.ItisclearthatOhba’sconjectureistrueifandonlyifitistrueforcompletemultipartitegraphs.Recently,Kostochka,StiebitzandWoodallshowedthatOhba’sconjectureholdsforcompletemultipartitegraphswithpartitesizeatmostfive.Butthecompletemultipartitegraphswithnorestrictionontheirpartitesize,forwhichOhba’sconjecturehasbeenverifiedarenothingmorethanthegraphsKt+3,2*(k-t-1),1*tbyEnotomoetal.,andKt+2,3,2*(k-t-2),1*tfort≤4byShenetal..Inthispaper,usingtheconceptoff-choosable(orL0-size-choosable)ofgraphs,weshowthatOhba’sconjectureisalsotrueforthegraphsKt+2,3,2*(k-t-2),1*twhent≥5.Thus,Ohba’sconjectureistrueforgraphsKt+2,3,2*(k-t-2),1*tforallintegerst≥1.

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

简介：Abstract.Inthispaperweshallinvestigatetheboundofstaxlikvnessrfortheclass

简介：在Diff(S1)/S之间的关系1并且磁盘上的一价的分析函数的空间被阐明并且出现为彻底的近似的卷提供上面的界限给一个无限维的空格的分析submanifold。在superdisk上的一价的superanalytic功能的系列扩大的系数的最大的大小被推断。

简介：作者在C上给围住的双线性的表格的Fourier变换的描述*(S1)×C*(二基础半的S2)以乔丹组织S1和S2*-representations,hemimogeneous随机域，并且象一样微弱地，harmonizable随机S回答1和S2直到Hilbert空格。

简介：在这份报纸，在范围的稳定的homotopy组的homotopy元素的一个新家庭由n2m5and3s代表了3s

简介：Weproveseveralinequaliesforsymmetricpostivesemidefinite,generalMmatricesandinverseM-matriceswhicharegeneralizationoftheclassicalOppenheim'sInequalityforsymmetricpositivesemidefinitematrices.

简介：TheauthorfirstreviewstheclassicalKorninequalityanditsproof.FollowingrecentworksofS.Kesavan,P.Ciarlet,Jr.,andtheauthor,itisshownhowtheKorninequalitycanberecoveredbyanentirelydifferentproof.ThisnewproofhingesonappropriateweakversionsoftheclassicalPoincar'eandSaint-Venantlemma.Infine,bothproofsessentiallydependonacruciallemmaofJ.L.Lions,recalledatthebeginningofthispaper.

简介：本文主要讨论意义更为一般的广义逆矩阵AT,s^（2）的若干性质及在解限制性线性方程组方面的应用．

简介：设S是幺半群含有零元0≠1,且S-系为S0-Act中的对象,本文引进伪投射S-系,刻划了伪投射S-系的一些性质和特征.

简介：LetpdenoteaprimeandP2denoteanalmostprimewithatmosttwoprimefactors.Theauthorprovesthatforsuffcientlylargex,sumfromp≤xp+2=P21>(1.13Cx)/(log~2x),wheretheconstant1.13constitutesanimprovementofthepreviousresult1.104duetoJ.Wu.

简介：ItisprovedthattheChebyshevpolynomial_n(x)=T_n(xcosπ/2n),hasthegreatestuniformnormon[-1,1]ofitsthirdderivativeamongtherealpolynomialsofdegreeatmostn,whichareboundedby1in[-1,1]andvanishin-1and1.

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简介：In1972,Fullerprovedthatacompleteadditivesubeategory_RCofR-Modisequivalenttoamodulecategory⊿-Modifandonlyif_RC=Gen(_RU)forsomequasiprogenerator_RUand⊿≌End_RUcanonically.Inthisnotetheauthorgivesacharacterizationof_RCwhichmakes_RUaprojectiveR-moduleinthecasewhenRisarightperfectringwithidentity,andshowsthatR-ModistheuniquecompleteadditivesubcategoryofR-ModwhichisequivalenttoR-ModforaleftArtinianringR.

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