The Grothendieck theory of dessins d'enfants / edited by Leila Schneps |
Autore | Schneps, Leila |
Pubbl/distr/stampa | Cambridge ; New York : Cambridge University Press, 1994 |
Descrizione fisica | 368 p. : ill. ; 23 cm |
Disciplina | 512.7 |
Collana | London Mathematical Society lecture note series, 0076-0552 ; 200 |
Soggetto topico | Dessins d'enfants (Mathematics) |
ISBN | 0521478219 |
Classificazione |
AMS 11-06
AMS 14-06 AMS 20-06 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNISALENTO-991000962089707536 |
Schneps, Leila
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Cambridge ; New York : Cambridge University Press, 1994 | ||
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Lo trovi qui: Univ. del Salento | ||
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Introduction to compact Riemann surfaces and dessins d'enfants / / Ernesto Girondo, Gabino González-Diez [[electronic resource]] |
Autore | Girondo Ernesto |
Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2012 |
Descrizione fisica | 1 online resource (xii, 298 pages) : digital, PDF file(s) |
Disciplina | 515.93 |
Collana | London Mathematical Society student texts |
Soggetto topico |
Riemann surfaces
Dessins d'enfants (Mathematics) |
ISBN |
1-107-08470-9
1-107-22435-7 1-280-48433-0 9786613579317 1-139-20529-3 1-139-20311-8 1-139-20169-7 1-139-20609-5 1-139-20451-3 1-139-04891-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; LONDON MATHEMATICAL SOCIETY STUDENT TEXTS; Title; Copyright; Dedication; Contents; Preface; 1 Compact Riemann surfaces and algebraic curves; 1.1 Basic definitions; 1.1.1 Riemann surfaces - examples; 1.1.2 Morphisms of Riemann surfaces; 1.1.3 Differentials; 1.2 Topology of Riemann surfaces; 1.2.1 The topological surface underlying a compact Riemann surface; 1.2.2 The fundamental group; 1.2.3 The Euler-Poincaré characteristic; 1.2.4 The Riemann-Hurwitz formula for morphisms to the sphere; 1.2.6 Ramified coverings
1.2.7 Auxiliary results about the compactification of Riemann surfaces and extension of maps1.3 Curves, function fields and Riemann surfaces; 1.3.1 The function field of a Riemann surface; 1.3.2 Manipulating generators of a function field; 2 Riemann surfaces and discrete groups; 2.1 Uniformization; 2.1.1 PSL(2,R) as the group of isometries of hyperbolic space; 2.1.2 Groups uniformizing Riemann surfaces of genus g = 2; 2.2 The existence of meromorphic functions; 2.2.1 Existence of functions in genus g = 1; 2.2.2 Existence of functions in genus g = 2; 2.3 Fuchsian groups 2.4 Fuchsian triangle groups2.4.1 Triangles in hyperbolic space; 2.4.2 Reflections; 2.4.3 Construction of triangle groups; 2.4.4 The modular group PSL(2,Z); 2.5 Automorphisms of Riemann surfaces; 2.5.1 The action of the automorphism group on the function field; 2.5.2 Uniformization of Klein's curve of genus three; 2.6 The moduli space of compact Riemann surfaces; 2.6.1 The moduli space M1; 2.6.2 The moduli space Mg for g > 1; 2.7 Monodromy; 2.7.1 Monodromy and Fuchsian groups; 2.7.2 Characterization of a morphism by its monodromy; 2.8 Galois coverings; 2.9 Normalization of a covering of P1 2.9.1 The covering group of the normalization3 Belyi's Theorem; 3.1 Proof of part (a) => (b) of Belyi's Theorem; 3.1.1 Belyi's second proof of part (a) => (b); 3.2 Algebraic characterization of morphisms; 3.3 Galois action; 3.4 Points and valuations; 3.4.1 Galois action on points; 3.5 Elementary invariants of the action of Gal(C); 3.6 A criterion for definability over Q; 3.6.1 Proof of part (b) => (a) of Belyi's Theorem; 3.7 Proof of the criterion for definibility over Q; 3.7.1 Specialization of transcencendental coefficients; 3.7.2 Infinitesimal specializations; 3.7.3 End of the proof 3.8 The field of definition of Belyi functions4 Dessins d'enfants; 4.1 Definition and first examples; 4.1.1 The permutation representation pair of a dessin; 4.2 From dessins d'enfants to Belyi pairs; 4.2.1 The triangle decomposition associated to a dessin; 4.2.2 The Belyi function associated to a dessin; 4.3 From Belyi pairs to dessins; 4.3.1 The monodromy of a Belyi pair; 4.4 Fuchsian group description of Belyi pairs; 4.4.1 Uniform dessins; 4.4.2 Automorphisms of a dessin; 4.4.3 Regular dessins; 4.5 The action of Gal(Q) on dessins d'enfants; 4.5.1 Faithfulness on dessins of genus 0 4.5.2 Faithfulness on dessins of genus 1 |
Altri titoli varianti | Introduction to Compact Riemann Surfaces & Dessins d'Enfants |
Record Nr. | UNINA-9910461550103321 |
Girondo Ernesto
![]() |
||
Cambridge : , : Cambridge University Press, , 2012 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Introduction to compact Riemann surfaces and dessins d'enfants / / Ernesto Girondo, Gabino González-Diez [[electronic resource]] |
Autore | Girondo Ernesto |
Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2012 |
Descrizione fisica | 1 online resource (xii, 298 pages) : digital, PDF file(s) |
Disciplina | 515.93 |
Collana | London Mathematical Society student texts |
Soggetto topico |
Riemann surfaces
Dessins d'enfants (Mathematics) |
ISBN |
1-107-08470-9
1-107-22435-7 1-280-48433-0 9786613579317 1-139-20529-3 1-139-20311-8 1-139-20169-7 1-139-20609-5 1-139-20451-3 1-139-04891-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; LONDON MATHEMATICAL SOCIETY STUDENT TEXTS; Title; Copyright; Dedication; Contents; Preface; 1 Compact Riemann surfaces and algebraic curves; 1.1 Basic definitions; 1.1.1 Riemann surfaces - examples; 1.1.2 Morphisms of Riemann surfaces; 1.1.3 Differentials; 1.2 Topology of Riemann surfaces; 1.2.1 The topological surface underlying a compact Riemann surface; 1.2.2 The fundamental group; 1.2.3 The Euler-Poincaré characteristic; 1.2.4 The Riemann-Hurwitz formula for morphisms to the sphere; 1.2.6 Ramified coverings
1.2.7 Auxiliary results about the compactification of Riemann surfaces and extension of maps1.3 Curves, function fields and Riemann surfaces; 1.3.1 The function field of a Riemann surface; 1.3.2 Manipulating generators of a function field; 2 Riemann surfaces and discrete groups; 2.1 Uniformization; 2.1.1 PSL(2,R) as the group of isometries of hyperbolic space; 2.1.2 Groups uniformizing Riemann surfaces of genus g = 2; 2.2 The existence of meromorphic functions; 2.2.1 Existence of functions in genus g = 1; 2.2.2 Existence of functions in genus g = 2; 2.3 Fuchsian groups 2.4 Fuchsian triangle groups2.4.1 Triangles in hyperbolic space; 2.4.2 Reflections; 2.4.3 Construction of triangle groups; 2.4.4 The modular group PSL(2,Z); 2.5 Automorphisms of Riemann surfaces; 2.5.1 The action of the automorphism group on the function field; 2.5.2 Uniformization of Klein's curve of genus three; 2.6 The moduli space of compact Riemann surfaces; 2.6.1 The moduli space M1; 2.6.2 The moduli space Mg for g > 1; 2.7 Monodromy; 2.7.1 Monodromy and Fuchsian groups; 2.7.2 Characterization of a morphism by its monodromy; 2.8 Galois coverings; 2.9 Normalization of a covering of P1 2.9.1 The covering group of the normalization3 Belyi's Theorem; 3.1 Proof of part (a) => (b) of Belyi's Theorem; 3.1.1 Belyi's second proof of part (a) => (b); 3.2 Algebraic characterization of morphisms; 3.3 Galois action; 3.4 Points and valuations; 3.4.1 Galois action on points; 3.5 Elementary invariants of the action of Gal(C); 3.6 A criterion for definability over Q; 3.6.1 Proof of part (b) => (a) of Belyi's Theorem; 3.7 Proof of the criterion for definibility over Q; 3.7.1 Specialization of transcencendental coefficients; 3.7.2 Infinitesimal specializations; 3.7.3 End of the proof 3.8 The field of definition of Belyi functions4 Dessins d'enfants; 4.1 Definition and first examples; 4.1.1 The permutation representation pair of a dessin; 4.2 From dessins d'enfants to Belyi pairs; 4.2.1 The triangle decomposition associated to a dessin; 4.2.2 The Belyi function associated to a dessin; 4.3 From Belyi pairs to dessins; 4.3.1 The monodromy of a Belyi pair; 4.4 Fuchsian group description of Belyi pairs; 4.4.1 Uniform dessins; 4.4.2 Automorphisms of a dessin; 4.4.3 Regular dessins; 4.5 The action of Gal(Q) on dessins d'enfants; 4.5.1 Faithfulness on dessins of genus 0 4.5.2 Faithfulness on dessins of genus 1 |
Altri titoli varianti | Introduction to Compact Riemann Surfaces & Dessins d'Enfants |
Record Nr. | UNINA-9910790469303321 |
Girondo Ernesto
![]() |
||
Cambridge : , : Cambridge University Press, , 2012 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Introduction to compact Riemann surfaces and dessins d'enfants / / Ernesto Girondo, Gabino González-Diez [[electronic resource]] |
Autore | Girondo Ernesto |
Pubbl/distr/stampa | Cambridge : , : Cambridge University Press, , 2012 |
Descrizione fisica | 1 online resource (xii, 298 pages) : digital, PDF file(s) |
Disciplina | 515.93 |
Collana | London Mathematical Society student texts |
Soggetto topico |
Riemann surfaces
Dessins d'enfants (Mathematics) |
ISBN |
1-107-08470-9
1-107-22435-7 1-280-48433-0 9786613579317 1-139-20529-3 1-139-20311-8 1-139-20169-7 1-139-20609-5 1-139-20451-3 1-139-04891-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
Cover; LONDON MATHEMATICAL SOCIETY STUDENT TEXTS; Title; Copyright; Dedication; Contents; Preface; 1 Compact Riemann surfaces and algebraic curves; 1.1 Basic definitions; 1.1.1 Riemann surfaces - examples; 1.1.2 Morphisms of Riemann surfaces; 1.1.3 Differentials; 1.2 Topology of Riemann surfaces; 1.2.1 The topological surface underlying a compact Riemann surface; 1.2.2 The fundamental group; 1.2.3 The Euler-Poincaré characteristic; 1.2.4 The Riemann-Hurwitz formula for morphisms to the sphere; 1.2.6 Ramified coverings
1.2.7 Auxiliary results about the compactification of Riemann surfaces and extension of maps1.3 Curves, function fields and Riemann surfaces; 1.3.1 The function field of a Riemann surface; 1.3.2 Manipulating generators of a function field; 2 Riemann surfaces and discrete groups; 2.1 Uniformization; 2.1.1 PSL(2,R) as the group of isometries of hyperbolic space; 2.1.2 Groups uniformizing Riemann surfaces of genus g = 2; 2.2 The existence of meromorphic functions; 2.2.1 Existence of functions in genus g = 1; 2.2.2 Existence of functions in genus g = 2; 2.3 Fuchsian groups 2.4 Fuchsian triangle groups2.4.1 Triangles in hyperbolic space; 2.4.2 Reflections; 2.4.3 Construction of triangle groups; 2.4.4 The modular group PSL(2,Z); 2.5 Automorphisms of Riemann surfaces; 2.5.1 The action of the automorphism group on the function field; 2.5.2 Uniformization of Klein's curve of genus three; 2.6 The moduli space of compact Riemann surfaces; 2.6.1 The moduli space M1; 2.6.2 The moduli space Mg for g > 1; 2.7 Monodromy; 2.7.1 Monodromy and Fuchsian groups; 2.7.2 Characterization of a morphism by its monodromy; 2.8 Galois coverings; 2.9 Normalization of a covering of P1 2.9.1 The covering group of the normalization3 Belyi's Theorem; 3.1 Proof of part (a) => (b) of Belyi's Theorem; 3.1.1 Belyi's second proof of part (a) => (b); 3.2 Algebraic characterization of morphisms; 3.3 Galois action; 3.4 Points and valuations; 3.4.1 Galois action on points; 3.5 Elementary invariants of the action of Gal(C); 3.6 A criterion for definability over Q; 3.6.1 Proof of part (b) => (a) of Belyi's Theorem; 3.7 Proof of the criterion for definibility over Q; 3.7.1 Specialization of transcencendental coefficients; 3.7.2 Infinitesimal specializations; 3.7.3 End of the proof 3.8 The field of definition of Belyi functions4 Dessins d'enfants; 4.1 Definition and first examples; 4.1.1 The permutation representation pair of a dessin; 4.2 From dessins d'enfants to Belyi pairs; 4.2.1 The triangle decomposition associated to a dessin; 4.2.2 The Belyi function associated to a dessin; 4.3 From Belyi pairs to dessins; 4.3.1 The monodromy of a Belyi pair; 4.4 Fuchsian group description of Belyi pairs; 4.4.1 Uniform dessins; 4.4.2 Automorphisms of a dessin; 4.4.3 Regular dessins; 4.5 The action of Gal(Q) on dessins d'enfants; 4.5.1 Faithfulness on dessins of genus 0 4.5.2 Faithfulness on dessins of genus 1 |
Altri titoli varianti | Introduction to Compact Riemann Surfaces & Dessins d'Enfants |
Record Nr. | UNINA-9910823948503321 |
Girondo Ernesto
![]() |
||
Cambridge : , : Cambridge University Press, , 2012 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Uniformizing dessins and Belyĭ maps via circle packing. / / Philip L. Bowers, Kenneth Stephenson |
Autore | Bowers Philip L. <1956-> |
Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , 2004 |
Descrizione fisica | 1 online resource (118 p.) |
Disciplina | 516/.11 |
Collana | Memoirs of the American Mathematical Society |
Soggetto topico |
Dessins d'enfants (Mathematics)
Circle packing Riemann surfaces |
Soggetto genere / forma | Electronic books. |
ISBN | 1-4704-0406-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""Contents""; ""List of Tables""; ""List of Figures""; ""Chapter1.Introduction""; ""Chapter 2. Dessins d'Enfants""; ""2.1. Dessins d'enfants""; ""2.2. The Equilateral Structure""; ""2.3. The Belyi Map""; ""Chapter 3. Discrete Dessins via Circle Packing""; ""3.1. Circle Packings""; ""3.2. Discrete Dessins""; ""3.3. Hexagonal Refinement""; ""3.4. Geometric Lemmas""; ""Chapter 4. Uniformizing Dessins""; ""4.1. Reflective Structures and Conformal Subdivisions""; ""4.2. Uniformizing Equilateral Surfaces""; ""4.3. Convergence of the Belyi Maps""; ""Chapter 5. A Menagerie of Dessins d'Enfants""
""5.1. Genus 0""""5.2. Genus 1""; ""5.3. Genus 2""; ""5.4. Higher Genera""; ""Chapter 6. Computational Issues""; ""6.1. Dessin Modifications""; ""Chapter 7. Additional Constructions""; ""7.1. Conformal Tilings""; ""7.2. The j function""; ""7.3. Schwarz Triangles""; ""7.4. Graph Embedding""; ""Chapter 8. Non-equilateral Triangulations""; ""8.1. Welding Approach""; ""8.2. Inversive Distance Packings""; ""Chapter 9. The Discrete Option""; ""9.1. Dessins""; ""9.2. Function Theory""; ""Chapter 10. Appendix: Implementation""; ""10.1. A Quick Experiment""; ""10.2. The algorithm""; ""10.3. Accuracy"" ""Bibliography"" |
Record Nr. | UNINA-9910479863703321 |
Bowers Philip L. <1956->
![]() |
||
Providence, Rhode Island : , : American Mathematical Society, , 2004 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Uniformizing dessins and Belyĭ maps via circle packing. / / Philip L. Bowers, Kenneth Stephenson |
Autore | Bowers Philip L. <1956-> |
Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , 2004 |
Descrizione fisica | 1 online resource (118 p.) |
Disciplina | 516/.11 |
Collana | Memoirs of the American Mathematical Society |
Soggetto topico |
Dessins d'enfants (Mathematics)
Circle packing Riemann surfaces |
ISBN | 1-4704-0406-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""Contents""; ""List of Tables""; ""List of Figures""; ""Chapter1.Introduction""; ""Chapter 2. Dessins d'Enfants""; ""2.1. Dessins d'enfants""; ""2.2. The Equilateral Structure""; ""2.3. The Belyi Map""; ""Chapter 3. Discrete Dessins via Circle Packing""; ""3.1. Circle Packings""; ""3.2. Discrete Dessins""; ""3.3. Hexagonal Refinement""; ""3.4. Geometric Lemmas""; ""Chapter 4. Uniformizing Dessins""; ""4.1. Reflective Structures and Conformal Subdivisions""; ""4.2. Uniformizing Equilateral Surfaces""; ""4.3. Convergence of the Belyi Maps""; ""Chapter 5. A Menagerie of Dessins d'Enfants""
""5.1. Genus 0""""5.2. Genus 1""; ""5.3. Genus 2""; ""5.4. Higher Genera""; ""Chapter 6. Computational Issues""; ""6.1. Dessin Modifications""; ""Chapter 7. Additional Constructions""; ""7.1. Conformal Tilings""; ""7.2. The j function""; ""7.3. Schwarz Triangles""; ""7.4. Graph Embedding""; ""Chapter 8. Non-equilateral Triangulations""; ""8.1. Welding Approach""; ""8.2. Inversive Distance Packings""; ""Chapter 9. The Discrete Option""; ""9.1. Dessins""; ""9.2. Function Theory""; ""Chapter 10. Appendix: Implementation""; ""10.1. A Quick Experiment""; ""10.2. The algorithm""; ""10.3. Accuracy"" ""Bibliography"" |
Record Nr. | UNINA-9910788747203321 |
Bowers Philip L. <1956->
![]() |
||
Providence, Rhode Island : , : American Mathematical Society, , 2004 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|
Uniformizing dessins and Belyĭ maps via circle packing. / / Philip L. Bowers, Kenneth Stephenson |
Autore | Bowers Philip L. <1956-> |
Pubbl/distr/stampa | Providence, Rhode Island : , : American Mathematical Society, , 2004 |
Descrizione fisica | 1 online resource (118 p.) |
Disciplina | 516/.11 |
Collana | Memoirs of the American Mathematical Society |
Soggetto topico |
Dessins d'enfants (Mathematics)
Circle packing Riemann surfaces |
ISBN | 1-4704-0406-0 |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Nota di contenuto |
""Contents""; ""List of Tables""; ""List of Figures""; ""Chapter1.Introduction""; ""Chapter 2. Dessins d'Enfants""; ""2.1. Dessins d'enfants""; ""2.2. The Equilateral Structure""; ""2.3. The Belyi Map""; ""Chapter 3. Discrete Dessins via Circle Packing""; ""3.1. Circle Packings""; ""3.2. Discrete Dessins""; ""3.3. Hexagonal Refinement""; ""3.4. Geometric Lemmas""; ""Chapter 4. Uniformizing Dessins""; ""4.1. Reflective Structures and Conformal Subdivisions""; ""4.2. Uniformizing Equilateral Surfaces""; ""4.3. Convergence of the Belyi Maps""; ""Chapter 5. A Menagerie of Dessins d'Enfants""
""5.1. Genus 0""""5.2. Genus 1""; ""5.3. Genus 2""; ""5.4. Higher Genera""; ""Chapter 6. Computational Issues""; ""6.1. Dessin Modifications""; ""Chapter 7. Additional Constructions""; ""7.1. Conformal Tilings""; ""7.2. The j function""; ""7.3. Schwarz Triangles""; ""7.4. Graph Embedding""; ""Chapter 8. Non-equilateral Triangulations""; ""8.1. Welding Approach""; ""8.2. Inversive Distance Packings""; ""Chapter 9. The Discrete Option""; ""9.1. Dessins""; ""9.2. Function Theory""; ""Chapter 10. Appendix: Implementation""; ""10.1. A Quick Experiment""; ""10.2. The algorithm""; ""10.3. Accuracy"" ""Bibliography"" |
Record Nr. | UNINA-9910807039503321 |
Bowers Philip L. <1956->
![]() |
||
Providence, Rhode Island : , : American Mathematical Society, , 2004 | ||
![]() | ||
Lo trovi qui: Univ. Federico II | ||
|