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Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich
| Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich |
| Autore | Fröhlich A (Albrecht), <1916-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1983] |
| Descrizione fisica | 1 online resource (96 p.) |
| Disciplina | 512/.3 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Class field theory
Field extensions (Mathematics) Galois theory Class groups (Mathematics) |
| Soggetto genere / forma | Electronic books. |
| ISBN | 0-8218-7609-0 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | ""Table of Contents""; ""1. Background from Class Field Theory""; ""2. The Genus Field and the Genus Group""; ""3. Central Extensions""; ""4. Maximal Quasicentral Extensions, Maximal L-Extensions and Maximal Class Two Extensions ""; ""5. More on Class Groups""; ""6. Some Remarks on History and Literature""; ""Literature"" |
| Record Nr. | UNINA-9910480192303321 |
Fröhlich A (Albrecht), <1916->
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| Providence, Rhode Island : , : American Mathematical Society, , [1983] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich
| Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich |
| Autore | Fröhlich A (Albrecht), <1916-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1983] |
| Descrizione fisica | 1 online resource (96 p.) |
| Disciplina | 512/.3 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Class field theory
Field extensions (Mathematics) Galois theory Class groups (Mathematics) |
| ISBN | 0-8218-7609-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Table of Contents -- 1. Background from Class Field Theory -- 2. The Genus Field and the Genus Group -- 3. Central Extensions -- 4. Maximal Quasi Central Extensions, Maximal L-Extensions and Maximal Class Two Extensions -- 5. More on Class Groups -- 6. Some Remarks on History and Literature -- Literature. |
| Record Nr. | UNINA-9910788780803321 |
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Fröhlich A (Albrecht), <1916->
|
||
| Providence, Rhode Island : , : American Mathematical Society, , [1983] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich
| Central extensions, Galois groups, and ideal class groups of number fields / / A. Fröhlich |
| Autore | Fröhlich A (Albrecht), <1916-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1983] |
| Descrizione fisica | 1 online resource (96 p.) |
| Disciplina | 512/.3 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Class field theory
Field extensions (Mathematics) Galois theory Class groups (Mathematics) |
| ISBN | 0-8218-7609-0 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Table of Contents -- 1. Background from Class Field Theory -- 2. The Genus Field and the Genus Group -- 3. Central Extensions -- 4. Maximal Quasi Central Extensions, Maximal L-Extensions and Maximal Class Two Extensions -- 5. More on Class Groups -- 6. Some Remarks on History and Literature -- Literature. |
| Record Nr. | UNINA-9910828508203321 |
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Fröhlich A (Albrecht), <1916->
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| Providence, Rhode Island : , : American Mathematical Society, , [1983] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida
| The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida |
| Autore | Kida Yoshikata <1982-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [2008] |
| Descrizione fisica | 1 online resource (206 p.) |
| Disciplina | 511.3/26 |
| Collana | Memoirs of the American Mathematical Society |
| Soggetto topico |
Mappings (Mathematics)
Class groups (Mathematics) Measure theory |
| Soggetto genere / forma | Electronic books. |
| ISBN | 1-4704-0522-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Chapter 1. Introduction""; ""Chapter 2. Property A for the curve complex""; ""1. Geometry of the curve complex""; ""2. Generalities for property A""; ""3. Property A for the curve complex""; ""4. Exceptional surfaces""; ""Chapter 3. Amenability for the action of the mapping class group on the boundary of the curve complex""; ""1. The mapping class group and the Thurston boundary""; ""2. The boundary at infinity of the curve complex""; ""3. Amenability for the actions of the mapping class group""; ""4. The boundary of the curve complex for an exceptional surface""
""Chapter 4. Indecomposability of equivalence relations generated by the mapping class group""""1. Construction of Busemann functions and the MIN set map""; ""2. Preliminaries on discrete measured equivalence relations""; ""3. Reducible elements in the mapping class group""; ""4. Subrelations of the two types: irreducible and amenable ones and reducible ones""; ""5. Canonical reduction systems for reducible subrelations""; ""6. Indecomposability of equivalence relations generated by actions of the mapping class group""; ""7. Comparison with hyperbolic groups"" ""Chapter 5. Classification of the mapping class groups in terms of measure equivalence I""""1. Reducible subrelations, revisited""; ""2. Irreducible and amenable subsurfaces""; ""3. Amenable, reducible subrelations""; ""4. Classification""; ""Chapter 6. Classification of the mapping class groups in terms of measure equivalence II""; ""1. Geometric lemmas""; ""2. Families of subrelations satisfying the maximal condition""; ""3. Application I (Invariance of complexity under measure equivalence)""; ""4. Application II (The case where complexity is odd)"" ""5. Application III (The case where complexity is even)""""Appendix A. Amenability of a group action""; ""1. Notation""; ""2. Existence of invariant means""; ""3. The fixed point property""; ""Appendix B. Measurability of the map associating image measures""; ""Appendix C. Exactness of the mapping class group""; ""Appendix D. The cost and l[sup(2)]-Betti numbers of the mapping class group""; ""1. The cost of the mapping class group""; ""2. The l[sup(2)]-Betti numbers of the mapping class group""; ""Appendix E. A group-theoretic argument for Chapter 5""; ""Bibliography""; ""Index""; ""A"" ""B""""C""; ""D""; ""E""; ""F""; ""G""; ""H""; ""I""; ""L""; ""M""; ""N""; ""O""; ""P""; ""Q""; ""R""; ""S""; ""T""; ""U""; ""V""; ""W"" |
| Record Nr. | UNINA-9910481009903321 |
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Kida Yoshikata <1982->
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| Providence, Rhode Island : , : American Mathematical Society, , [2008] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida
| The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida |
| Autore | Kida Yoshikata <1982-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [2008] |
| Descrizione fisica | 1 online resource (206 p.) |
| Disciplina | 511.3/26 |
| Collana | Memoirs of the American Mathematical Society |
| Soggetto topico |
Mappings (Mathematics)
Class groups (Mathematics) Measure theory |
| ISBN | 1-4704-0522-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Chapter 1. Introduction""; ""Chapter 2. Property A for the curve complex""; ""1. Geometry of the curve complex""; ""2. Generalities for property A""; ""3. Property A for the curve complex""; ""4. Exceptional surfaces""; ""Chapter 3. Amenability for the action of the mapping class group on the boundary of the curve complex""; ""1. The mapping class group and the Thurston boundary""; ""2. The boundary at infinity of the curve complex""; ""3. Amenability for the actions of the mapping class group""; ""4. The boundary of the curve complex for an exceptional surface""
""Chapter 4. Indecomposability of equivalence relations generated by the mapping class group""""1. Construction of Busemann functions and the MIN set map""; ""2. Preliminaries on discrete measured equivalence relations""; ""3. Reducible elements in the mapping class group""; ""4. Subrelations of the two types: irreducible and amenable ones and reducible ones""; ""5. Canonical reduction systems for reducible subrelations""; ""6. Indecomposability of equivalence relations generated by actions of the mapping class group""; ""7. Comparison with hyperbolic groups"" ""Chapter 5. Classification of the mapping class groups in terms of measure equivalence I""""1. Reducible subrelations, revisited""; ""2. Irreducible and amenable subsurfaces""; ""3. Amenable, reducible subrelations""; ""4. Classification""; ""Chapter 6. Classification of the mapping class groups in terms of measure equivalence II""; ""1. Geometric lemmas""; ""2. Families of subrelations satisfying the maximal condition""; ""3. Application I (Invariance of complexity under measure equivalence)""; ""4. Application II (The case where complexity is odd)"" ""5. Application III (The case where complexity is even)""""Appendix A. Amenability of a group action""; ""1. Notation""; ""2. Existence of invariant means""; ""3. The fixed point property""; ""Appendix B. Measurability of the map associating image measures""; ""Appendix C. Exactness of the mapping class group""; ""Appendix D. The cost and l[sup(2)]-Betti numbers of the mapping class group""; ""1. The cost of the mapping class group""; ""2. The l[sup(2)]-Betti numbers of the mapping class group""; ""Appendix E. A group-theoretic argument for Chapter 5""; ""Bibliography""; ""Index""; ""A"" ""B""""C""; ""D""; ""E""; ""F""; ""G""; ""H""; ""I""; ""L""; ""M""; ""N""; ""O""; ""P""; ""Q""; ""R""; ""S""; ""T""; ""U""; ""V""; ""W"" |
| Record Nr. | UNINA-9910788853503321 |
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Kida Yoshikata <1982->
|
||
| Providence, Rhode Island : , : American Mathematical Society, , [2008] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida
| The mapping class group from the viewpoint of measure equivalence theory / / Yoshikata Kida |
| Autore | Kida Yoshikata <1982-> |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [2008] |
| Descrizione fisica | 1 online resource (206 p.) |
| Disciplina | 511.3/26 |
| Collana | Memoirs of the American Mathematical Society |
| Soggetto topico |
Mappings (Mathematics)
Class groups (Mathematics) Measure theory |
| ISBN | 1-4704-0522-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Chapter 1. Introduction""; ""Chapter 2. Property A for the curve complex""; ""1. Geometry of the curve complex""; ""2. Generalities for property A""; ""3. Property A for the curve complex""; ""4. Exceptional surfaces""; ""Chapter 3. Amenability for the action of the mapping class group on the boundary of the curve complex""; ""1. The mapping class group and the Thurston boundary""; ""2. The boundary at infinity of the curve complex""; ""3. Amenability for the actions of the mapping class group""; ""4. The boundary of the curve complex for an exceptional surface""
""Chapter 4. Indecomposability of equivalence relations generated by the mapping class group""""1. Construction of Busemann functions and the MIN set map""; ""2. Preliminaries on discrete measured equivalence relations""; ""3. Reducible elements in the mapping class group""; ""4. Subrelations of the two types: irreducible and amenable ones and reducible ones""; ""5. Canonical reduction systems for reducible subrelations""; ""6. Indecomposability of equivalence relations generated by actions of the mapping class group""; ""7. Comparison with hyperbolic groups"" ""Chapter 5. Classification of the mapping class groups in terms of measure equivalence I""""1. Reducible subrelations, revisited""; ""2. Irreducible and amenable subsurfaces""; ""3. Amenable, reducible subrelations""; ""4. Classification""; ""Chapter 6. Classification of the mapping class groups in terms of measure equivalence II""; ""1. Geometric lemmas""; ""2. Families of subrelations satisfying the maximal condition""; ""3. Application I (Invariance of complexity under measure equivalence)""; ""4. Application II (The case where complexity is odd)"" ""5. Application III (The case where complexity is even)""""Appendix A. Amenability of a group action""; ""1. Notation""; ""2. Existence of invariant means""; ""3. The fixed point property""; ""Appendix B. Measurability of the map associating image measures""; ""Appendix C. Exactness of the mapping class group""; ""Appendix D. The cost and l[sup(2)]-Betti numbers of the mapping class group""; ""1. The cost of the mapping class group""; ""2. The l[sup(2)]-Betti numbers of the mapping class group""; ""Appendix E. A group-theoretic argument for Chapter 5""; ""Bibliography""; ""Index""; ""A"" ""B""""C""; ""D""; ""E""; ""F""; ""G""; ""H""; ""I""; ""L""; ""M""; ""N""; ""O""; ""P""; ""Q""; ""R""; ""S""; ""T""; ""U""; ""V""; ""W"" |
| Record Nr. | UNINA-9910818801703321 |
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Kida Yoshikata <1982->
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| Providence, Rhode Island : , : American Mathematical Society, , [2008] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors
| Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1993] |
| Descrizione fisica | 1 online resource (394 p.) |
| Disciplina | 515/.9223 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Riemann surfaces
Class groups (Mathematics) Moduli theory |
| Soggetto genere / forma | Electronic books. |
| ISBN |
0-8218-7741-0
0-8218-5484-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Preface""; ""Introduction""; ""Participants""; ""List of Tables""; ""A combinatorial approach to reducibility of mapping classes""; ""Interval exchange spaces and moduli spaces""; ""Cohomology of the group of motions of n strings in 3-space""; ""Mapping class groups and classical homotopy theory""; ""Completions of mapping class groups and the cycle C � C�""; ""The rational Picard group of the moduli space of Riemann surfaces with spin structure""; ""On certain families of compact Riemann surfaces""
""On the moduli space of principally polarized abelian varieties""""The Weil-Petersson volume of the moduli space of punctured spheres"" |
| Record Nr. | UNINA-9910480005503321 |
| Providence, Rhode Island : , : American Mathematical Society, , [1993] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors
| Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1993] |
| Descrizione fisica | 1 online resource (394 p.) |
| Disciplina | 515/.9223 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Riemann surfaces
Class groups (Mathematics) Moduli theory |
| ISBN |
0-8218-7741-0
0-8218-5484-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Preface""; ""Introduction""; ""Participants""; ""List of Tables""; ""A combinatorial approach to reducibility of mapping classes""; ""Interval exchange spaces and moduli spaces""; ""Cohomology of the group of motions of n strings in 3-space""; ""Mapping class groups and classical homotopy theory""; ""Completions of mapping class groups and the cycle C � C�""; ""The rational Picard group of the moduli space of Riemann surfaces with spin structure""; ""On certain families of compact Riemann surfaces""
""On the moduli space of principally polarized abelian varieties""""The Weil-Petersson volume of the moduli space of punctured spheres"" |
| Record Nr. | UNINA-9910788642503321 |
| Providence, Rhode Island : , : American Mathematical Society, , [1993] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors
| Mapping class groups and moduli spaces of Riemann surfaces : proceedings of workshops held June 24-28, 1991, in Göttingen, Germany, and August 6-10, 1991, in Seattle, Washington with support from the Sonderforschungsbereich 170 "Geometrie und Analysis" and the National Science Foundation / / Carl-Friedrich Bödigheimer, Richard M. Hain, editors |
| Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , [1993] |
| Descrizione fisica | 1 online resource (394 p.) |
| Disciplina | 515/.9223 |
| Collana | Contemporary mathematics |
| Soggetto topico |
Riemann surfaces
Class groups (Mathematics) Moduli theory |
| ISBN |
0-8218-7741-0
0-8218-5484-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Preface""; ""Introduction""; ""Participants""; ""List of Tables""; ""A combinatorial approach to reducibility of mapping classes""; ""Interval exchange spaces and moduli spaces""; ""Cohomology of the group of motions of n strings in 3-space""; ""Mapping class groups and classical homotopy theory""; ""Completions of mapping class groups and the cycle C � C�""; ""The rational Picard group of the moduli space of Riemann surfaces with spin structure""; ""On certain families of compact Riemann surfaces""
""On the moduli space of principally polarized abelian varieties""""The Weil-Petersson volume of the moduli space of punctured spheres"" |
| Record Nr. | UNINA-9910817703103321 |
| Providence, Rhode Island : , : American Mathematical Society, , [1993] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Moduli spaces of curves, mapping class groups and field theory / Xavier Buff ... [et al.] ; translated by Leila Schneps
| Moduli spaces of curves, mapping class groups and field theory / Xavier Buff ... [et al.] ; translated by Leila Schneps |
| Pubbl/distr/stampa | Providence, R. I. : American Mathematical Society, c2003 |
| Descrizione fisica | viii, 131 p. : ill. ; 26 cm |
| Disciplina | 515.93 |
| Altri autori (Persone) | Buff, Xavierauthor |
| Collana |
Panoramas et synthèses ; 7
SMF/AMS texts and monographs, 1525-2302 ; 9 Panoramas et synthèses ; 7/1999 |
| Soggetto topico |
Riemann surfaces
Teichmüller spaces Moduli theory Class groups (Mathematics) Quantum field theory |
| ISBN | 0821831674 |
| Classificazione |
AMS 32G15
AMS 14-06 AMS 20F34 AMS 11R32 AMS 20F36 LC QA333.E8613 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISALENTO-991000496449707536 |
| Providence, R. I. : American Mathematical Society, c2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. del Salento | ||
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