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时间:2018-07-29
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1、AnElementaryIntroductiontoGroupsandRepresentationsBrianC.HallAuthoraddress:UniversityofNotreDame,DepartmentofMathematics,NotreDameIN46556USAE-mailaddress:bhall@nd.eduarXiv:math-ph/000503231May2000Contents1.PrefaceiiChapter1.Groups11.DenitionofaGroup,andBasicProperties12.SomeExamplesofG
2、roups33.Subgroups,theCenter,andDirectProducts44.HomomorphismsandIsomorphisms55.Exercises6Chapter2.MatrixLieGroups91.DenitionofaMatrixLieGroup92.ExamplesofMatrixLieGroups103.Compactness154.Connectedness165.Simple-connectedness186.HomomorphismsandIsomorphisms197.LieGroups208.Exercises22C
3、hapter3.LieAlgebrasandtheExponentialMapping271.TheMatrixExponential272.ComputingtheExponentialofaMatrix293.TheMatrixLogarithm314.FurtherPropertiesoftheMatrixExponential345.TheLieAlgebraofaMatrixLieGroup366.PropertiesoftheLieAlgebra407.TheExponentialMapping448.LieAlgebras469.TheComplexi
4、cationofaRealLieAlgebra4810.Exercises50Chapter4.TheBaker-Campbell-HausdorFormula531.TheBaker-Campbell-HausdorFormulafortheHeisenbergGroup532.TheGeneralBaker-Campbell-HausdorFormula563.TheSeriesFormoftheBaker-Campbell-HausdorFormula634.SubgroupsandSubalgebras645.Exercises65Chapter5.B
5、asicRepresentationTheory671.Representations672.WhyStudyRepresentations?69iiiivCONTENTS3.ExamplesofRepresentations704.TheIrreducibleRepresentationsofsu(2)755.DirectSumsofRepresentationsandCompleteReducibility796.TensorProductsofRepresentations827.Schur'sLemma868.GroupVersusLieAlgebraRepr
6、esentations889.CoveringGroups9410.Exercises96Chapter6.TheRepresentationsofSU(3),andBeyond1011.Preliminaries1012.WeightsandRoots1033.HighestWeightsandtheClassicationTheorem1054.ProofoftheClassicationTheorem1075.AnExample:HighestWeight(1;1)1116.TheWeylGroup1127.ComplexSemisimpleLieAlgeb
7、ras1158.Exercises117Chapter7.Cumulativeexercises119Chapter8.Bibliography1211.PREFACEv1.PrefaceThesenotesaretheoutgrowthofagraduatecourseonLiegroupsItaughtattheUniversityofVirginiain1994.IntryingtondatextforthecourseIdiscoveredthatbooksonLiegroupseitherpresupposeaknowledgeofdi
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