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From Rings and Modules to Hopf Algebras : One Flew over the Algebraist's Nest
From Rings and Modules to Hopf Algebras : One Flew over the Algebraist's Nest
Autore Broué Michel
Edizione [1st ed.]
Pubbl/distr/stampa Cham : , : Springer International Publishing AG, , 2024
Descrizione fisica 1 online resource (528 pages)
ISBN 3-031-50062-8
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Preface -- Contents -- Chapter 1 Prerequisites and Preliminaries -- 1.1 Prerequisites -- 1.1.1 Groups: -components of elements -- 1.1.2 Nilpotent groups -- 1.1.3 Complements on Sylow subgroups -- 1.1.4 Solvability and the Schur-Zassenhaus Theorem -- 1.2 Preliminary: the Language of Categories -- 1.2.1 What is a category? -- 1.2.2 First examples -- 1.2.3 Monomorphisms, epimorphisms -- 1.2.4 Functors -- 1.2.5 Examples -- 1.2.6 Yet another example: presheaves -- 1.2.7 Faithful and full functors -- 1.2.8 Morphisms of functors -- 1.2.9 Isomorphisms of functors -- 1.2.10 Morphisms of functors: Yoneda's Lemma -- 1.2.11 Universals -- 1.2.12 Adjoint functors and adjunctions -- 1.2.13 Equivalences of categories -- 1.2.14 Complements: Going on and on -- 1.2.15 Horizontal composition -- Part I Rings and Modules -- Chapter 2 Rings, Polynomials, Divisibility -- 2.1 Rings, Morphisms, Modules -- 2.1.1 Morphisms -- 2.1.2 Subrings -- 2.1.3 Endomorphisms of abelian groups and modules -- 2.2 Polynomials and Power Series -- 2.2.1 Generalities -- 2.2.2 Infinite sums and products -- 2.2.3 Derivatives -- 2.2.4 Logarithm and exponential -- Definition 2.2.14 -- Proposition 2.2.15 -- Proposition 2.2.16 -- Remark 2.2.17 -- 2.2.5 Euclidean division -- Proposition 2.2.18 (Euclidean division by a monic polynomial) -- Remarks 2.2.19 -- Corollary 2.2.20 -- Corollary 2.2.21 -- Exercise 2.2.22 -- Remark 2.2.23 -- Theorem 2.2.24 (Cayley-Hamilton) -- Lemma 2.2.25 -- Exercise 2.2.26 -- 2.3 Canonical Morphisms -- 2.3.1 Prime ring and characteristic -- 2.3.2 Universal property of the polynomial ring -- 2.4 Ideals -- 2.4.1 Left, right, two-sided ideals -- 2.4.2 Ideals and morphisms -- 2.4.3 Chinese Remainder Theorem -- 2.5 Factorial Domains, Principal Ideal Domains, Euclidean Domains -- 2.5.1 Divisors and irreducible elements -- 2.5.2 Factorial domains -- Definition 2.5.4.
Remark 2.5.5 -- Lemma 2.5.6 (Gauß' Lemma) -- Example 2.5.7 -- Proposition-Definition 2.5.8 -- Lemma 2.5.9 -- 2.5.3 Principal ideal domains -- Definition 2.5.10 -- Proposition 2.5.11 -- Exercise 2.5.12 -- Lemma 2.5.13 -- Remark 2.5.14 -- 2.5.4 Euclidean rings -- Definition and first properties Definition 2.5.15 -- Examples 2.5.16 -- Remark 2.5.17 -- Exercise 2.5.18 -- Proposition 2.5.19 -- Lemma 2.5.20 -- Remark 2.5.21 -- Complement without proofs: quadratic extensions of -- Theorem 2.5.22 -- Remark 2.5.23 -- Theorem 2.5.24 -- About Euclidean rings: Euclid's algorithm -- 2.5.5 Case of -- and application -- Remark 2.5.25 -- Theorem 2.5.26 -- Example 2.5.27 -- Exercise 2.5.28 -- 2.6 Roots of Unity, Cyclotomic Polynomials -- 2.7 More Exercises -- Chapter 3 Polynomial Rings in Several Indeterminates -- 3.1 Universal Property, Substitutions -- 3.1.1 First particular case -- 3.1.2 Second particular case: evaluation function -- 3.1.3 Third particular case: substitution -- 3.1.4 Fourth particular case: specialization -- 3.2 Symmetric Polynomials -- 3.2.1 Definition and fundamental theorem -- 3.2.2 Newton formulae -- 3.2.3 Symmetric fractions -- 3.2.4 Antisymmetric polynomials -- 3.3 Resultant and Discriminant -- 3.3.1 Resultant of two polynomials -- 3.3.2 First properties -- 3.3.3 Resultant and roots -- 3.3.4 A geometric application -- 3.3.5 Discriminant -- 3.4 More Exercises -- Chapter 4 More on Modules -- 4.1 Several Equivalent Definitions -- 4.1.1 Two definitions of "module" -- 4.1.2 Morphisms -- 4.2 Submodules -- 4.2.1 Generalities -- 4.2.2 Direct sums -- 4.2.3 Quotients -- 4.2.4 Kernels, images, cokernels, coimages -- 4.2.5 Exact sequences -- 4.2.6 Ideals and modules -- 4.3 Torsion Elements, Torsion Submodule -- 4.3.1 Cyclic modules -- 4.3.2 Torsion and torsion free elements -- 4.4 Free and Generating Systems, Free Modules.
4.4.1 Free systems, generating systems, bases -- 4.4.2 A property of free modules -- 4.4.3 Projective modules -- 4.5 Sums and Products -- 4.5.1 Direct sums (coproducts) and products -- 4.5.2 Split exact sequences -- 4.6 -Linear and Abelian -Linear Categories -- 4.6.1 Initial, terminal, null objects -- 4.6.2 -linear categories -- 4.6.3 -linear functors -- 4.6.4 An example: stable category -- 4.6.5 Kernels and cokernels -- 4.6.6 Canonical decomposition of a morphism -- 4.6.7 A bunch of definitions for abelian categories -- 4.6.8 Grothendieck group -- 4.6.9 Functors between abelian -linear categories -- 4.7 More Exercises -- 4.8 Tensor Products -- 4.8.1 Definition of the tensor product -- 4.8.2 Functoriality and other properties of the tensor product -- 4.8.3 Exact sequences, Hom and ⊗ -- 4.8.4 Tensor product and duality -- 4.8.5 Extension of scalars -- 4.8.6 Extending scalars for an algebra -- 4.8.7 Trace and restriction of scalars -- 4.8.8 Complement: Kronecker product of matrices -- 4.9 Tensor, Symmetric and Exterior Algebras -- 4.9.1 Symmetric and alternating squares -- 4.9.2 Tensor algebra -- 4.9.3 Symmetric algebra -- 4.9.4 Exterior algebra -- 4.10 More on Algebras -- 4.10.1 Generalities about algebras -- 4.10.2 Left and right modules -- 4.10.3 Tensor product of left with right modules -- 4.10.4 Tensor product and bimodules -- Exercise 4.10.14 -- Proposition 4.10.15 -- 4.10.5 A famous adjunction -- Proposition 4.10.16 -- mod -- Exercises 4.10.17 -- mod -- 4.11 Modules Over a Matrix Algebra -- 4.11.1 An equivalence of categories -- 4.11.2 An application: the Skolem-Noether theorem -- 4.12 More Exercises -- Chapter 5 On Representations of Finite Groups -- 5.1 Generalities on Representations -- 5.1.1 Introduction -- 5.1.2 Representations on a category -- 5.2 Set-Representations -- 5.2.1 Union and product -- 5.2.2 Transitive representations.
5.2.3 Classification of transitive representations -- 5.2.4 Burnside's marks -- 5.2.5 Induction and restriction -- 5.2.6 Generalized transfer -- 5.3 Linear Representations -- 5.3.1 Generalities -- 5.3.2 The group algebra -- 5.3.3 Induction and restriction for finite group algebras -- 5.3.3.1 Restriction -- 5.3.3.2 Induction Definition -- 5.3.3.3 Universal property of induction -- 5.3.3.4 Induction and tensor product -- 5.3.3.5 Another definition of induction -- 5.3.4 Mackey's formula -- 5.3.5 Trace on induced modules -- 5.3.6 Generalized tensor induction -- 5.3.7 Complement: fixed and cofixed points -- 5.4 Projective Representations, Twisted Group Algebras -- 5.4.1 Preliminary: fragments on cohomology -- 5.4.2 Projective representations, ×-groups, twisted group algebras -- 5.4.3 Above a stable module for a normal subgroup -- 5.5 More Exercises -- Part II Integral Domains, Polynomials, Fields -- Chapter 6 Prime and Maximal Ideals, Integral Domains -- 6.1 Definition and First Examples -- 6.2 Examples in Polynomial Rings -- 6.2.1 Generalities -- 6.2.2 Example of maximal ideals of Z[ ] -- 6.3 Nilradical and Radical -- 6.3.1 Characterizations -- 6.3.2 Local rings -- 6.3.3 Finite-dimensional algebras over a field -- 6.4 Integral Domains, Fields of Fractions -- 6.4.1 Construction of field of fractions -- 6.4.2 Universal property of the field of fractions -- 6.5 Localizations -- 6.5.1 Localizations on rings -- 6.5.2 Localizations on modules -- 6.5.3 Local properties of modules -- 6.5.4 On localization and projectivity -- 6.6 Irreducibility Criteria in [ ] -- 6.6.1 Primitive and irreducible polynomials -- 6.6.2 Reduction modulo a prime ideal -- 6.6.3 Case of [ ] for factorial -- 6.6.4 Content and primitive part -- 6.6.5 Example-Exercise: the decimal numbers -- 6.6.6 An application: automorphisms of ( ) -- 6.6.7 Eisenstein criterion.
6.6.8 More on irreducible elements in ( -- 6.7 Transfer Properties -- 6.7.1 Transfer of some properties to polynomial rings -- 6.7.2 Yet another proof of the Cayley-Hamilton theorem -- 6.8 More Exercises -- Chapter 7 Fields, Division Rings -- 7.1 Finite Subgroups of the Multiplicative Group of a Field -- 7.2 Algebraic Extensions -- 7.2.1 First properties -- 7.2.2 Algebraic closure -- 7.3 Splitting Polynomials, Normal Extensions -- 7.4 Separable Polynomials, Separable Extensions -- 7.5 Norm and Traces for Normal Separable Extensions -- 7.6 Short Introduction to Galois Theory -- 7.6.1 Quick overview -- 7.6.2 The Galois group as a permutation group -- 7.6.3 The generic equation -- 7.7 Finite Fields -- 7.8 Quaternions -- 7.8.1 Rings of quaternions -- 7.8.2 The quaternion group of order 8 -- 7.9 More Exercises -- Part III Finitely Generated Modules -- Chapter 8 Integrality, Noetherianity -- 8.1 Integrality Over a Ring -- 8.1.1 Definition and characterization -- 8.1.2 Integral extensions -- 8.1.3 Integrality and localization -- 8.1.4 Integral closure and field extensions -- 8.2 Complement: Jacobson Rings, Hilbert's Nullstellensatz -- 8.2.1 On maximal ideals of polynomial algebras -- 8.2.2 Application to algebraic varieties -- 8.3 Noetherian Rings and Modules -- 8.3.1 Noetherian modules -- 8.3.2 Noetherian rings -- 8.3.3 Hilbert's Basis Theorem -- 8.3.4 Localization over Noetherian rings -- 8.3.5 More exercises -- Chapter 9 Finitely Generated Projective Modules -- 9.1 Rank and Basis of a Finitely Generated Free Module -- 9.1.1 Rank: another proof -- 9.1.2 The dual of a free module of finite rank -- 9.1.3 About finitely generated torsion-free modules -- 9.2 Finitely Generated Projective Modules -- 9.2.1 Characterization, dual -- 9.2.2 Projective morphisms -- 9.2.3 A series of characterizations -- 9.2.4 The case of local rings -- 9.3 More Exercises.
Chapter 10 Finitely Generated Modules Over Dedekind Domains.
Record Nr. UNINA-9910831010103321
Broué Michel  
Cham : , : Springer International Publishing AG, , 2024
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Introduction to Complex Reflection Groups and Their Braid Groups [[electronic resource] /] / by Michel Broué
Introduction to Complex Reflection Groups and Their Braid Groups [[electronic resource] /] / by Michel Broué
Autore Broué Michel
Edizione [1st ed. 2010.]
Pubbl/distr/stampa Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2010
Descrizione fisica 1 online resource (XII, 144 p.)
Disciplina 512.2
Collana Lecture Notes in Mathematics
Soggetto topico Group theory
Commutative algebra
Commutative rings
Associative rings
Rings (Algebra)
Algebraic topology
Group Theory and Generalizations
Commutative Rings and Algebras
Associative Rings and Algebras
Algebraic Topology
ISBN 1-280-39164-2
9786613569561
3-642-11175-0
Classificazione MAT 203f
SI 850
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preliminaries -- Prerequisites and Complements in Commutative Algebra -- Polynomial Invariants of Finite Linear Groups -- Finite Reflection Groups in Characteristic Zero -- Eigenspaces and Regular Elements.
Record Nr. UNISA-996466502903316
Broué Michel  
Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2010
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
On Characters of Finite Groups / / by Michel Broué
On Characters of Finite Groups / / by Michel Broué
Autore Broué Michel
Edizione [1st ed. 2017.]
Pubbl/distr/stampa Singapore : , : Springer Singapore : , : Imprint : Springer, , 2017
Descrizione fisica 1 online resource (XVI, 246 p. 9 illus., 5 illus. in color.)
Disciplina 512.2
Collana Mathematical Lectures from Peking University
Soggetto topico Group theory
Category theory (Mathematics)
Homological algebra
Group Theory and Generalizations
Category Theory, Homological Algebra
ISBN 981-10-6878-X
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Tensor Product.-On Representation.-Characteristic 0 representations.-Playing with the base field -- Induction, restriction -- Brauer's theorem and some applications -- Graded representations and characters -- Drinfeld Double -- Appendix A. Basics on Finite Groups -- Appendix B. Assumed results on Galois theory -- Appendix C. Integral elements -- Appendix D. Noetherian rings and modules -- Appendix E. The language of categories and functors -- Bibliography 211.-Index.
Record Nr. UNINA-9910254295303321
Broué Michel  
Singapore : , : Springer Singapore : , : Imprint : Springer, , 2017
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Some topics in algebra : an advanced undergraduate course at PKU / / Michel Broue
Some topics in algebra : an advanced undergraduate course at PKU / / Michel Broue
Autore Broué Michel
Edizione [1st ed. 2014.]
Pubbl/distr/stampa Heidelberg, Germany : , : Springer, , 2014
Descrizione fisica 1 online resource (xii, 199 pages) : illustrations (some color), portraits
Disciplina 209
Collana Mathematical Lectures from Peking University
Soggetto topico Algebra
ISBN 3-642-41269-6
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Preface -- Rings and polynomial algebras -- Modules.
Record Nr. UNINA-9910300144303321
Broué Michel  
Heidelberg, Germany : , : Springer, , 2014
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui