Basic Algebra
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Linear Algebra
What is Linear Algebra? But lets think carefully; what is the left hand side of this equation doing? Functions and equations are different mathematical
PDF Basic Algebra
Title: Basic Algebra. Cover: Construction of a regular heptadecagon the steps shown in color sequence; see page 505. Mathematics Subject Classification
Maths Module 5 - Algebra Basics
Algebraic thinking spans all areas of mathematics. Hence algebra provides the written form to express mathematical ideas. For instance
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Applied Linear Algebra. Vectors Matrices
Higher Algebra
18 Sept 2017 In ordinary algebra there is a thin line dividing the theory of commutative rings from the theory of associative rings: a commutative ring ...
Beginning and Intermediate Algebra
Beginning and Intermediate Algebra by Tyler Wallace is licensed under a Solving linear equations is an important and fundamental skill in algebra. In.
Exercises and Problems in Linear Algebra John M. Erdman
18 Jan 2010 http://linear.ups.edu/download/fcla-electric-2.00.pdf. Another very useful online resource is Przemyslaw Bogacki's Linear Algebra Toolkit ...
VECTOR ALGEBRA
operations on vectors and their algebraic and geometric properties. These two type of properties
BasicAlgebra
DigitalSecondEditions
ByAnthonyW.Knapp
BasicAlgebra
AdvancedAlgebra
BasicRealAnalysis,
AdvancedRealAnalysis
AnthonyW.Knapp
BasicAlgebra
Alongwitha CompanionVolume AdvancedAlgebra
DigitalSecondEdition, 2016
Publishedbythe Author
EastSetauket, NewYork
nthonyW"Knapp ⌘UpperSheepPastureRoadTitle✓asiclgebra
Publishedbyirkh¬auseroston
Publishedbytheuthor
writtenpermissionfromtheauthor"MediaInc"
ivToSusan
andToMyChildren,SarahandWilliam,
andToMyAlgebraTeachers:
RalphFox,JohnFraleigh,RobertGunning,
CONTENTS
Contentsofdvancedlgebrax
PrefacetotheSecondEditionxi
PrefacetotheFirstEditionxiii
ListofFiguresxvii
DependenceAmongChaptersxix
StandardNotationxx
GuidefortheReaderxxi
I.PRELIMINARIESABOUTTHEINTEGERS,
POLYNOMIALS,ANDMATRICES1
1.DivisionandEuclideanAlgorithms1
2.UniqueFactorizationofIntegers4
3.UniqueFactorizationofPolynomials9
4.PermutationsandTheirSigns15
5.RowReduction19
6.MatrixOperations24
7.Problems30
II.VECTORSPACESOVERQ,R,AND⌧33
1.Spanning,LinearIndependence,andBases33
2.VectorSpacesDefinedbyMatrices38
3.LinearMaps42
4.DualSpaces50
5.QuotientsofVectorSpaces54
7.Determinants65
9.BasesintheInfinite-DimensionalCase78
10.Problems82
III.INNER-PRODUCTSPACES89
1.InnerProductsandOrthonormalSets89
2.Adjoints99
3.SpectralTheorem105
4.Problems112
vii viiiContentsIV.GROUPSANDGROUPACTIONS117
1.GroupsandSubgroups118
2.QuotientSpacesandHomomorphisms129
3.DirectProductsandDirectSums135
4.RingsandFields141
5.PolynomialsandVectorSpaces148
6.GroupActionsandExamples159
7.SemidirectProducts167
8.SimpleGroupsandCompositionSeries171
10.SylowTheorems185
11.CategoriesandFunctors189
12.Problems200
V.THEORYOFASINGLELINEARTRANSFORMATION211
1.Introduction211
3.CharacteristicandMinimalPolynomials218
4.ProjectionOperators226
5.PrimaryDecomposition228
6.JordanCanonicalForm231
7.ComputationswithJordanForm238
8.Problems241
VI.MULTILINEARALGEBRA248
1.BilinearFormsandMatrices249
2.SymmetricBilinearForms253
3.AlternatingBilinearForms256
4.HermitianForms258
5.GroupsLeavingaBilinearFormInvariant260
6.TensorProductofTwoVectorSpaces263
7.TensorAlgebra277
8.SymmetricAlgebra283
9.ExteriorAlgebra291
10.Problems295
VII.ADVANCEDGROUPTHEORY306
1.FreeGroups306
2.SubgroupsofFreeGroups317
3.FreeProducts322
4.GroupRepresentations329
Contentsix
VII.ADVANCEDGROUPTHEORY(Continued)
5.Burnside'sTheorem345
6.ExtensionsofGroups347
7.Problems360
VIII.COMMUTATIVERINGSANDTHEIRMODULES370
1.ExamplesofRingsandModules370
2.IntegralDomainsandFieldsofFractions381
3.PrimeandMaximalIdeals384
4.UniqueFactorization387
5.Gauss'sLemma393
6.FinitelyGeneratedModules399
7.OrientationforAlgebraicNumberTheoryand
AlgebraicGeometry411
9.IntegralClosure420
10.LocalizationandLocalRings428
11.DedekindDomains437
12.Problems443
IX.FIELDSANDGALOISTHEORY452
1.AlgebraicElements453
2.ConstructionofFieldExtensions457
3.FiniteFields461
4.AlgebraicClosure464
6.SeparableExtensions474
7.NormalExtensions481
8.FundamentalTheoremofGaloisTheory484
NonsolvableGaloisGroup493
12.ConstructionofRegularPolygons499
GaloisGroup506
14.ProofThatIsTranscendental515
15.NormandTrace519
16.SplittingofPrimeIdealsinExtensions526
17.TwoToolsforComputingGaloisGroups532
18.Problems539
xContentsX.MODULESOVERNONCOMMUTATIVERINGS553
1.SimpleandSemisimpleModules553
2.CompositionSeries560
3.ChainConditions565
4.HomandEndforModules567
5.TensorProductforModules574
6.ExactSequences583
7.Problems587
APPENDIX593
A1.SetsandFunctions593
A2.EquivalenceRelations599
A3.RealNumbers601
A4.ComplexNumbers604
A5.PartialOrderingsandZorn'sLemma605
A6.Cardinality610
HintsforSolutionsofProblems615
SelectedReferences715
IndexofNotation717
Index721
CONTENTSOFDVN⌧EDLGER
I.TransitiontoModernNumberTheory
II.Wedderburn-ArtinRingTheory
III.BrauerGroup
IV.HomologicalAlgebra
V.ThreeTheoremsinAlgebraicNumberTheory
VI.ReinterpretationwithAdelesandIdeles
VII.InfiniteFieldExtensions
VIII.BackgroundforAlgebraicGeometry
IX.TheNumberTheoryofAlgebraicCurves
X.MethodsofAlgebraicGeometry
PREFACETOTHESECONDEDITION
applicationsofthetheory. elsewhere. earlierproofhavinghadagap. minantsandareasorvolumes, linearmappings, xi xiiPrefacetotheSecondEdition fields. asareminderofhow hadbeenleftasXratherthan
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"W"KNPPJanuary2016PREF⌧ETOTHEFIRSTEDITION
multilinearalgebra. numbertheoryandgeometry. xiii xivPrefacetotheFirstEdition numberstoprovethat groups. shedefinedtheingredientsofwhatwasthencalled"modernalgebra" - thePrefacetotheFirstEditionxv
andconstructionswithmodules.ChapterIX.
xviPrefacetotheFirstEdition reallynecessary. word"PROOF"or"
symboltomarktheendofthatproof.Thetypesettingwasby
AMS-T EX,andthefiguresweredrawnwithMathematica.
ofknowncorrectionsonmyownWebpage. "W"KNPPAugust2006LISTOFFIGURES
⇣"⌘"Thevectorspaceoflines v⌥ UinR paralleltoagivenlineUthroughtheorigin
suchthateachpair orthogonalcomponent groupbyanormalsubgroup⌘ groups⌘ byanideal⌘ nindeterminates⌘ ""squarediagram⌘ contravariantfunctor⌘ xvii xviiiListofFiguresTX}⇣◆
""Equivalentgroupextensions⇣ GRmodule
""FactorizationofRhomomorphismsviaaquotientof
Rmodules
RG⌘
R "◆"Realpointsofthecurve y⇣ ⇧x⌘ ⌫x⇧x⌥⌘ RatS⌘
xcoordinatesunderRmodule
andaleftRmodule
DEPENDENCEAMONGCHAPTERS
thatisnotindicatedbythechart. I,II IIIIV.1-IV.6
IV.7-IV.11V
VIIVIVIII.1-VIII.6
XIX.1-IX.13VIII.7-VIII.11
IX.14-IX.17
xixSTNDRDNOTTION
ItemMeaning
Sor|S|numberofelementsin
Semptyset
x E|P}thesetof
xinEsuchthat
Pholds
Eccomplementoftheset
F⇠E⌅
F⇠E
Eunion⇠intersectionofthesets
EEF⇠E
FEiscontainedin
F⇠
Econtains
F⇠E⌅
FEproperlycontainedin
F⇠properlycontains
FE⇥
F⇠
sSXsproductsofsets
⇧a⌘ ⇠"""⇠an⌫⇠{ a⌘ ⇠"""⇠an}ordered n!tuple⇠unordered n!tuple f✓E⇧
F⇠x⌫⇧
f⌃ gor fg⇠f⌅Ecompositionof
gfollowedby f⇠restrictiontoEf⇧á
⇠y⌫thefunction x⌫⇧ ⇧E⌫directandinverseimageofaset i i⌥ j nk binomialcoefÞcient npositive⇠ nnegative or x]greatestinteger⇠ xif xisreal Re z⇠Im zrealandimaginarypartsofcomplex zø zcomplexconjugateof z| z|absolutevalueof z⌘multiplicativeidentity ⌘orIidentitymatrixoroperator
Xidentityfunctionon
XQ n⇠R n⇠⌧ nspacesofcolumnvectors diag ⇧a⌘ ⇠"""⇠an⌫diagonalmatrix isisomorphicto⇠isequivalentto xxGUIDEFORTHEREADER
headed. fewsectionsofChapterVIII. ofchapters. xxi xxiiGuidefortheReader inChapterV.GuidefortheReaderxxiii
sametimeastheobjects. materialoncategorytheory. xxivGuidefortheReader groups. theme - similaritiesbetweentheintegersandcertainpolynomialrings.Section7 aboutwhichregular constructibleregular istranscendentalVIandVIII,butnotfromChapterIX.
BasicAlgebra
CHAPTERI
andMatrices permutations,andmatrixalgebra. function.ChapterIX.
thesignofaproductistheproductofthesigns.1.DivisionandEuclideanAlgorithms
orderinginZ.Afactorofaninteger
nisanonzerointeger ksuchthat n klforsome integer l.Inthiscasewesayalsothat kdivides n,that kisadivisorof n,and that nisamultipleof k.Wewrite k| nforthisrelationship.If nisnonzero,any productformula n kl1 lrisafactorizationof n.AunitinZisadivisor 1 n klof nontrivialifneither knor lisaunit.Aninteger p⇢1issaidtobeprimeifit hasnonontrivialfactorization p kl. 1 following.Proposition1.1(divisionalgorithm).If
aand bareintegerswith thereexistuniqueintegers qand rsuchthat a bq⌥ rand0⌅ r⇡| b|.PROOF.Possiblyreplacing
qby q,wemayassumethat b⇢0.Theintegers nwith bn⌅ aareboundedaboveby| a|,andthereexistssuchan n,namely n | n q.Set r a bq.Then0⌅ rand a bq⌥ r.If r b,then r b0saysthat a b⇧q⌥1 ⇧r b⌫ b⇧q⌥1 ⌫.Theinequality q⌥1 ⇢qcontradictsthe maximalityof q,andweconcludethat r⇡b.Thisprovesexistence.Foruniquenesswhen
b⇢0,suppose a bq1 r1 bq2 r2 .Subtracting, weobtain b⇧q1 q2 r2 r1 with| r2 r1 ⇡b,andthisisacontradiction unless r2 r1 0. Let aand aand bisthelargestinteger d⇢0suchthat d| aand d| b.Letusseeexistence.Theinteger1divides
aand b.If b,forexample,isnonzero,thenanysuch dhas| d|⌅| d GCD ⇧a⇠b⌫.Letussupposethat
aand buntiltheremainder term rdisappears: a bq1 r1 ⇠0⌅ r1 ⇡b⇠b r1 q2 r2 ⇠0⌅ r2 ⇡r1 ⇠r1 r2 q3 r3 ⇠0⌅ r3 ⇡r2 ⇠"""rn2 rn1 qn⌥quotesdbs_dbs48.pdfusesText_48[PDF] algèbre 1 cours et 600 exercices corrigés pdf
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