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1、Thispageintentionallyleftblank10STRUCTURESINTHEUNIVERSEBYEXACTMETHODSFormation,Evolution,InteractionsAsthestructuresinourUniversearemappedoutoneverlargerscales,andwithincreasingdetail,theuseofinhomogeneousmodelsisbecominganessentialtoolforanalysingandunderstan
2、dingthem.ThisbookreviewsanumberofimportantdevelopmentsintheapplicationofinhomogeneoussolutionsofEinstein’sfieldequationstocosmology.Itshowshowinhomogeneousmodelscanbeusedtostudytheevolutionofstructuressuchasgalaxyclustersandgalaxieswithcentralblackholes,andtoac
3、countforcos-mologicalobservationssuchassupernovadimming,thecosmicmicrowaveback-ground,baryonacousticoscillationsorthedependenceoftheHubbleparameteronredshiftwithinclassicalgeneralrelativity.Whatever‘darkmatter’and‘darkenergy’turnouttobe,inhomogeneitiesexistonm
4、anyscalesandneedtobeinvestigatedbyallappropriatemethods.Thisbookwillbeofgreatvaluetoastrophysicistsandcosmologists,fromgraduatestudentstoacademicresearchers.KrzysztofBolejkoisanAssistantProfessorattheNicolausCopernicusAstronomicalCenter,PolishAcademyofSciences
5、,Poland.Hisareaofresearchiscosmology,inparticularapplicationsofinhomogeneouscosmologicalmodels,studyoflightpropagation,andbackreactioneffects.AndrzejKrasinski´isanAssociateProfessoratNicolausCopernicusAstronomicalCenter,PolishAcademyofSciences,Poland.Heiscurren
6、tlydoingresearchingravitationtheory,inparticularexactsolutionsofEinstein’sequa-tionsandinhomogeneouscosmologicalmodels.Heisalsoamemberoftheedi-torialboardoftheGRGJournal,whereheistheeditorofthe“GoldenOldies”seriesofreprintsofclassicalpapersonrelativity.Charles
7、HellabyisanAssociateProfessorintheDepartmentofMath-ematicsandAppliedMathematics,UniversityofCapeTown,SouthAfrica.Hisresearchinterestsareincosmologyandrelativity,particularlypropertiesandapplicationsofinhomogeneousmetrics,andrelatingobservationstocosmologicalmo
8、dels.Marie-No¨elleCel´erier´isaResearcherattheLaboratoireUniversetTh´eories(LUTH),ObservatoiredeParis-Meudon,France.Hertwomainfieldsofinterestarescalerelativityandinhomogeneouscosmo
