图书介绍：presentvolumeisthefirstofthreethatwillbepublishedunderthegeneraltitleLecturesinAbstractAlgebra.Thesevol-umesarebasedonlectureswhichtheauthorhasgi，renduringthepasttenyearsattheUniversityofNorthCarolina，atTheJohnsHopkinsUniversity，andatYaleUniversity.ThegeneralplanoftheworkisasfollowsThepresentfirstvolumegivesanintroductiontoabstractalgebraandgivesanaccountofmostoftheimportantalgebraicconcepts.Inatreatmentofthistypeitisimpossibletogiveacomprehensiveaccountofthetopicswhichareintroduced.Neverthelesswehavetriedtogobeyondthefoundationsandelementarypropertiesofthealgebraicsys-tems.Thishasnecessitatedacertainamountofselectionandomission.Wefeelthatevenatthepresentstageadeeperunder-standingofafewtopicsistobepreferredtoasuperficialunder-standingofmany.