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1.
Boundary Extension of μ(z)—homeomorphism 总被引:1,自引:0,他引:1
§1. IntroductionItiswellknownthattheBeltramiequationfz=μ(z)fz(1.1)hasauniquehomeomorphicsolutionundernormalizationconditionwhenyμ(z)y∞<1.Thissolutionishabituallycalledaquasiconformalmappingwithcomplexdilatationμ(z)[1].Withoutthisessentialrestriction… 相似文献
2.
Su Jianbing 《数学季刊》1998,(3)
§1. IntroductionIfD1,D2aretwosmoothboundedpseudoconvexdomainsinCn,D1satisfiestheconditionR(see[1]),itiswellknownthatanybiholomorphicmappingf:D1→D2extendssmoothlytotheboundary.Thisresulthasbeengeneralizedtothecasesofproperholomorphicmappings([2]).Inth… 相似文献
3.
§1. IntroductionZakharov-Kuznestovequationut+uxxx+uxyy+uux=0(1.1)hasverysoundphysicalbackgroundanditdescribestheevolutionofionic.Soundwaveinionicbodysuchasmagnetismwhichisunderstrongmagneticfieldandhasthecharacteristicsofsmallamplitudeandweakdispersi… 相似文献
4.
Lin Yixun Wang Qin 《数学季刊》1998,(3)
§1. IntroductionThetopologicalclassificationandenumerationproblemongraphlikemanifoldswasraisedin[1].Severalresultswithrespecttospecialgraphlikemanifoldsweregivenin[1~8].Weshallstudythisprobleminaviewpointofpurecombinatorics.Infact,anewtypeofenumera-t… 相似文献
5.
§1. IntroductionIn1984,thearticle[1]studiedthefollowingautocatalyticreactionsmodeldadt=-k1ab2+kf(a0-a)dbdt=k1ab2-k2b-kf(b-b0)(1)wherek1,k2,kf,a0,b0areallpositivearbitraryconstants.Thearticlepointsouttheremaybeninephase-portraitsinsystem(1).Ithasnotgi… 相似文献
6.
§1. IntroductionWeknownthatisnotpossiblethattheLagrangeinterpolationpolynomialsconvergeuni-formlytof(x)forallcontinuousfunctionsf(x)on[-1,1].Asaresult,onecanusevariouswaystochangetheLagrangeinterpolationpolynomialsuchthattheyuniformlyconvergetoallcon… 相似文献
7.
§1. IntroductionRecently,thesemilinearellipticequations△u+f(u)=0(1.1)u(x)→0as|x|→∞(1.2)inRnwereconsideredwidely(see[1]-[7]).Inthenicepapers[1]and[2],itwasprovedthatanypositivesolutionof(1.1)mustberadialincasef(u)∈C1+δ(δ>0).Therefore,anypositivesoluti… 相似文献
8.
§1.IntroductionConsidera11tensorfieldIonasmoothmanifoldM.Thenaturalgeneralizationofthecomplexstructureandparacomplexstructu... 相似文献
9.
§1. TheEquivalenceofLyapunovsRangeoftheInterconnectedStabilizationNew,letusconsiderthelinearconstantinterconnectedcontrolsystemxi(t)=∑nj=1aijxj(t)+∑mj=1bijuj(t)+∑N1r=1∑nj=1a(r)1ije(r)1ijxj(t) +∑N2s=1∑nj=1a(s)2ije(s)2ijxj(t-r(s)1ij)+∑N2d=1∑… 相似文献
10.
§1.IntroductionTheconceptofreducibleHeegaardsplitingswasfirstdevelopedbyHaken[1].Itsrela-tiontothecorresponding3-manifoldscon... 相似文献
11.
§1. IntroductionIn[1,2],AronsonandWeinbergerhavestudiedsystematiclythescalarnonlineardiffu-sionequationinonespacevariableut=uxx+φ(u),(1.1)whereu=u(x,t)andφ(u)isanonlinearfunction.Equation(1.1)arisesinseveralapplica-tions;See[1,2]and[3]forinformationa… 相似文献
12.
§1. IntroductionThroughoutthispaper,allringsarecommutativeringswithidentityelements,allgroupsarefinitelygeneratedabeliangroups.Allmodulesareunitaryandthenotationcoincideswiththatin[1]and[5].WealsosetΦ={1}.AfinitelygeneratedprojectiveRG-modulePcanbeex… 相似文献
13.
A New Method for Computing Reproducing Kernels 总被引:3,自引:0,他引:3
§1.IntroductionAsystematicresearchtothetheoryofreproducingkernelwasfirstmadebyAronszajnandBergman[1].Theygaveasuficientandnec... 相似文献
14.
§1. IntroductionIn1995,Mr.XuYang,inhisdoctoraldissertation[1],firstintroducedadoublelattice-or-deredalgebraicstructurecalledl-moduleanddiscusseditsalgebraicandanalyticalproperties,bywhichhedealtwiththeproblemoflattice-valuedgameandsetuptheelementalt… 相似文献
15.
§1. IntroductionLetMbeann-dimensionalconformallyflatmanifoldwithconstantscalarcurvatureρ(n≥3).WhentheRiccicurvatureSofMisofboundedbelowandySy2<ρ2/(n-1),Gold-bergprovedthatMisofconstantcurvature[1].WhenMisacompactmanifoldwithpositiveRiccicurvature,WuB… 相似文献
16.
Hopf Bifurcation Analysis of Some Modified Chemostat Models 总被引:3,自引:0,他引:3
Li Xiangao 《东北数学》1998,(4)
§1.IntroductionNumerousnicepapers(see[1]-[12])havebeendevotedtothestudiesofthechemo-statsincelate60's,whichisconsideredasanim... 相似文献
17.
1IntroductionThepurposeofthispaperistoextendsomeoscilationresultsofthepapers[1,2]totheneutralhyperbolicdiferentialequationoft... 相似文献
18.
§1. IntroductionLetMbeacompact,orientable,irreducible,-irreducible,anannular,atoroidal3-manifoldwithonecomponentTofMatorus.AsloperonTisaT-isotopyclassofessential,unorient-ed,simpleclosedcurvesonT,andthedistancebetweentwoslopesr1andr2,denotedby△(r1,… 相似文献
19.
§1. IntroductionInordertoresearchthelogicalsystemwhosepropositionalvalueisgiveninalattice,XuY.[Xu2]proposedtheconceptoflatticeimplicationalgebraanddiscusseditssomeproper-tiesin[Xu1]and[Xu2].Also,in[XQ1],XuY.togetherwithK.Y.Qindiscussedtheprop-ertieso… 相似文献
20.
§1. IntroductionIn1933,H.Cartan[1]suggestedthatthegeometricalfunctiontheorybeextendedtoseveralvariables.However,hepointedoutthattheGrowthandKoebe1/4-Theoremaregenerallynottrueforbiholomorphicmappings,sohesuggestedthestudyofstarlikemappingsandconvexm… 相似文献