简介：Inthispaper,thesupercouvergenceofaclassofWilson-likeelementsisconsidered,andasuperconvergentestimateofWilson-likeelementsisobtainedforstrongregularmeshes.

简介：我们在伪Euclidean空间Rmm+n与索引m。我们导出基本几何数量的飘移拉普拉斯算符并且在伪距离功能获得他们的卷估计。最后，我们以吝啬的弯曲或高斯地图的图象在次要的生长条件下面证明刚硬结果。

简介：InthispaperwestudyBacklundtransformationsoftime-likelinearWeingartensurfaceswithnegativediscriminantinLorentzianspaceforms.

简介：Ageneralizationofsemiprimeringsandrightp.q.-Baerrings,whichwecallquasi-Armendarizringsofdifferentialinversepowerseriestype(orsimply,DTPS-quasi-Armendariz),isintroducedandstudied.ItisshownthattheDTPS-quasi-Armendarizringsareclosedunderdirectsums,uppertriangularmatrixrings,fullmatrixringsandMoritainvariance.Variousclassesofnon-semiprimeDTPS-quasi-Armendarizringsareprovided,andanumberofpropertiesofthisgeneralizationareestablished.SomecharacterizationsforthedifferentialinversepowerseriesringR[[x^-1;δ]]tobequasi-Baer,generalizedquasi-Baer,primary,nilary,reflexive,ideal-symmetricandleftAIPareconncluded,whereδisaderivationontheringR.Finally,miscellaneousexamplestoillustrateanddelimitthetheoryaregiven.

简介：Inthispaper,wepresentasmoothingNewton-likemethodforsolvingnonlinearsystemsofequalitiesandinequalities.Byusingtheso-calledmaxfunction,wetransfertheinequalitiesintoasystemofsemismoothequalities.ThenasmoothingNewton-likemethodisproposedforsolvingthereformulatedsystem,whichonlyneedstosolveonesystemoflinearequationsandtoperformonelinesearchateachiteration.Theglobalandlocalquadraticconvergencearestudiedunderappropriateassumptions.Numericalexamplesshowthatthenewapproachiseffective.

简介：Inthispaper,westudyseveraliterativemethodsforfindingthemaximal-likesolutionofthematrixequationX+A~*X~(-2)A=I,anddeducesomepropertiesofthemaximal-likesolutionwiththesemethods.

简介：Thepurposeofthispaperistostudycompletespace-likesubmanifoldswithparallelmeancurvaturevectorandflatnormalbundleinalocallysymmetricsemi-defnitespacesatisfyingsomecurvatureconditions.WefirstgiveanoptimalestimateoftheLaplacianofthesquarednormofthesecondfundamentalformforsuchsubmanifold.Furthermore,thetotallyumbilicalsubmanifoldsarecharacterized.

简介：Thepurposeofthispaperistoinvestigatetheiterativealgorithmforfindingapproximatesolutionsofaclassofmixedvariational-likeinequalitiesinarealHilbertspace,wheretheiterativealgorithmispresentedbyvirtueoftheauxiliaryprincipletechnique.Ononehand,theexistenceofapproximatesolutionsofthisclassofmixedvariational-likeinequalitiesisproven.Ontheotherhand,itisshownthattheapproximatesolutionsconvergestronglytotheexactsolutionofthisclassofmixedvariational-likeinequalities.

简介：记Lq为两个变量的量子环面上的斜导子李代数,当0≠q∈C为非单位时,Lq就是q-类似Virasoro-like代数.本文给出了文中构造的Lq的模上的导子及一上同调群H^1（Lq,M）.

简介：Inthispaper,wepresentm-timesecant-likemulti-projectionalgorithmforsparseunconstrainedminimizationproblem.Weprovethismethodareallq-superlinearlyconvergenttothesolutionaboutm≥l.Atlast,wediscussfromsomenumericalresults,howtochoosethenumbermtodeterminetheapproximatingmatrixproperlyinpracticaluse.

简介：让AAB(X)B(X)的subalgebra正在包含身份操作员我 ；并且幂等P ；。建议那，:A→A，:A→A是戒指epimorphisms并且在那里存在一些在XX上嵌套NN以便 (P)(X) and (P)(X) (P)(X) and (P)(X)是NN的重要元素。让AA包含在AlgN and  : A→B(X)AlgN and  : A→B(X)的一个操作员是的所有等级印射的添加剂。是否，被看那是在零个点可引出的(,)，然后在那里存在添加剂(,)=derivation  : A→B(X)(,)=derivation  : A→B(X)以便(A)=(A)+(A)(I) for all A∈ A(A)=(A)+(A)(I) for all A∈ A。它也被看那是否是在零个点可引出的概括(,)，然后，添加剂被概括(,)推导。而且由这结果的使用，添加剂印射(概括)在几巢代数学上的零个点可引出的(,)，也被描绘。

简介：Therelativisticproblemofspin-1/2fermionssubjecttovectorhyperbolic(kink-like)potential(~tanhkx)isinvestigatedbyusingtheparametricNikiforov-Uvarovmethod.TheenergyeigenvalueequationandthecorrespondingnormalizedwavefunctionsareobtainedintermsoftheJacobipolynomialsintwocases.

简介：Inthispaper,wediscusstherelationshipbetweenthesparsesymmetricBroyden(SPSB)method[1,2]andm-timesecant-likemulti-projection(SMP)method[3]andprovethatwhenmgoestoinfinity,theSMPmethodiscorrespondingtotheSPSBmethod.