top

  Info

  • Utilizzare la checkbox di selezione a fianco di ciascun documento per attivare le funzionalità di stampa, invio email, download nei formati disponibili del (i) record.

  Info

  • Utilizzare questo link per rimuovere la selezione effettuata.

Biblioteca

MARC Lista (tabellare)
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Autore Goldman William Mark
Pubbl/distr/stampa Providence, Rhode Island : , : American Mathematical Society, , [2019]
Descrizione fisica 1 online resource (vii, 78 pages) : illustrations
Disciplina 512.2
Collana Memoirs of the American Mathematical Society, volume 259, number 1249
Soggetto topico Isometrics (Mathematics)
Group theory
Automorphisms
Hyperbolic spaces
Free groups
Soggetto genere / forma Electronic books.
ISBN 1-4704-5253-7
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910481046803321
Goldman William Mark  
Providence, Rhode Island : , : American Mathematical Society, , [2019]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Autore Goldman William Mark
Pubbl/distr/stampa Providence, Rhode Island : , : American Mathematical Society, , [2019]
Descrizione fisica 1 online resource (vii, 78 pages) : illustrations
Disciplina 512.2
Collana Memoirs of the American Mathematical Society, volume 259, number 1249
Soggetto topico Isometrics (Mathematics)
Group theory
Automorphisms
Hyperbolic spaces
Free groups
ISBN 1-4704-5253-7
Classificazione 57M0522D40
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910793620103321
Goldman William Mark  
Providence, Rhode Island : , : American Mathematical Society, , [2019]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Automorphisms of two-generator free groups and spaces of isometric actions on the hyperbolic plane / / William Goldman [and three others]
Autore Goldman William Mark
Pubbl/distr/stampa Providence, Rhode Island : , : American Mathematical Society, , [2019]
Descrizione fisica 1 online resource (vii, 78 pages) : illustrations
Disciplina 512.2
Collana Memoirs of the American Mathematical Society, volume 259, number 1249
Soggetto topico Isometrics (Mathematics)
Group theory
Automorphisms
Hyperbolic spaces
Free groups
ISBN 1-4704-5253-7
Classificazione 57M0522D40
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910826252503321
Goldman William Mark  
Providence, Rhode Island : , : American Mathematical Society, , [2019]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Autore Fenchel W (Werner), <1905->
Pubbl/distr/stampa Berlin ; ; New York, : Walter de Gruyter, 2003
Descrizione fisica 1 online resource (388 p.)
Disciplina 514/.2
Altri autori (Persone) NielsenJakob <1890-1959.>
SchmidtAsmus L
Collana De Gruyter studies in mathematics
Soggetto topico Discontinuous groups
Isometrics (Mathematics)
Soggetto genere / forma Electronic books.
ISBN 3-11-089135-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front matter -- Chapter I. Möbius transformations and non-euclidean geometry. -- §1 Pencils of circles - inversive geometry -- §2 Cross-ratio -- §3 Möbius transformations, direct and reversed -- §4 Invariant points and classification of Möbius transformations -- §5 Complex distance of two pairs of points -- §6 Non-euclidean metric -- §7 Isometric transformations -- §8 Non-euclidean trigonometry -- §9 Products and commutators of motions -- Chapter II. Discontinuous groups of motions and reversions. -- §10 The concept of discontinuity -- §11 Groups with invariant points or lines -- §12 A discontinuity theorem -- §13 ℱ-groups. Fundamental set and limit set -- §14 The convex domain of an ℱ-group. Characteristic and isometric neighbourhood -- §15 Quasi-compactness modulo ℱ and finite generation of ℱ -- Chapter III. Surfaces associated with discontinuous groups. -- §16 The surfaces D modulo ℭ and K(ℱ) modulo ℱ -- §17 Area and type numbers -- Chapter IV. Decompositions of groups. -- §18 Composition of groups -- §19 Decomposition of groups -- §20 Decompositions of ℱ-groups containing reflections -- §21 Elementary groups and elementary surfaces -- §22 Complete decomposition and normal form in the case of quasi-compactness -- §23 Exhaustion in the case of non-quasi-compactness -- Chapter V. Isomorphism and homeomorphism. -- §24 Topological and geometrical isomorphism -- §25 Topological and geometrical homeomorphism -- §26 Construction of g-mappings. Metric parameters. Congruent groups -- Symbols and definitions -- Alphabets -- Bibliography -- Index
Record Nr. UNINA-9910462018803321
Fenchel W (Werner), <1905->  
Berlin ; ; New York, : Walter de Gruyter, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Autore Fenchel W (Werner), <1905->
Pubbl/distr/stampa Berlin ; ; New York, : Walter de Gruyter, 2003
Descrizione fisica 1 online resource (388 p.)
Disciplina 514/.2
Altri autori (Persone) NielsenJakob <1890-1959.>
SchmidtAsmus L
Collana De Gruyter studies in mathematics
Soggetto topico Discontinuous groups
Isometrics (Mathematics)
ISBN 3-11-089135-2
Classificazione SK 380
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front matter -- Chapter I. Möbius transformations and non-euclidean geometry. -- §1 Pencils of circles - inversive geometry -- §2 Cross-ratio -- §3 Möbius transformations, direct and reversed -- §4 Invariant points and classification of Möbius transformations -- §5 Complex distance of two pairs of points -- §6 Non-euclidean metric -- §7 Isometric transformations -- §8 Non-euclidean trigonometry -- §9 Products and commutators of motions -- Chapter II. Discontinuous groups of motions and reversions. -- §10 The concept of discontinuity -- §11 Groups with invariant points or lines -- §12 A discontinuity theorem -- §13 ℱ-groups. Fundamental set and limit set -- §14 The convex domain of an ℱ-group. Characteristic and isometric neighbourhood -- §15 Quasi-compactness modulo ℱ and finite generation of ℱ -- Chapter III. Surfaces associated with discontinuous groups. -- §16 The surfaces D modulo ℭ and K(ℱ) modulo ℱ -- §17 Area and type numbers -- Chapter IV. Decompositions of groups. -- §18 Composition of groups -- §19 Decomposition of groups -- §20 Decompositions of ℱ-groups containing reflections -- §21 Elementary groups and elementary surfaces -- §22 Complete decomposition and normal form in the case of quasi-compactness -- §23 Exhaustion in the case of non-quasi-compactness -- Chapter V. Isomorphism and homeomorphism. -- §24 Topological and geometrical isomorphism -- §25 Topological and geometrical homeomorphism -- §26 Construction of g-mappings. Metric parameters. Congruent groups -- Symbols and definitions -- Alphabets -- Bibliography -- Index
Record Nr. UNINA-9910785820103321
Fenchel W (Werner), <1905->  
Berlin ; ; New York, : Walter de Gruyter, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Discontinuous groups of isometries in the hyperbolic plane [[electronic resource] /] / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Autore Fenchel W (Werner), <1905->
Edizione [1st ed.]
Pubbl/distr/stampa Berlin ; ; New York, : Walter de Gruyter, 2003
Descrizione fisica 1 online resource (388 p.)
Disciplina 514/.2
Altri autori (Persone) NielsenJakob <1890-1959.>
SchmidtAsmus L
Collana De Gruyter studies in mathematics
Soggetto topico Discontinuous groups
Isometrics (Mathematics)
ISBN 3-11-089135-2
Classificazione SK 380
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Front matter -- Chapter I. Möbius transformations and non-euclidean geometry. -- §1 Pencils of circles - inversive geometry -- §2 Cross-ratio -- §3 Möbius transformations, direct and reversed -- §4 Invariant points and classification of Möbius transformations -- §5 Complex distance of two pairs of points -- §6 Non-euclidean metric -- §7 Isometric transformations -- §8 Non-euclidean trigonometry -- §9 Products and commutators of motions -- Chapter II. Discontinuous groups of motions and reversions. -- §10 The concept of discontinuity -- §11 Groups with invariant points or lines -- §12 A discontinuity theorem -- §13 ℱ-groups. Fundamental set and limit set -- §14 The convex domain of an ℱ-group. Characteristic and isometric neighbourhood -- §15 Quasi-compactness modulo ℱ and finite generation of ℱ -- Chapter III. Surfaces associated with discontinuous groups. -- §16 The surfaces D modulo ℭ and K(ℱ) modulo ℱ -- §17 Area and type numbers -- Chapter IV. Decompositions of groups. -- §18 Composition of groups -- §19 Decomposition of groups -- §20 Decompositions of ℱ-groups containing reflections -- §21 Elementary groups and elementary surfaces -- §22 Complete decomposition and normal form in the case of quasi-compactness -- §23 Exhaustion in the case of non-quasi-compactness -- Chapter V. Isomorphism and homeomorphism. -- §24 Topological and geometrical isomorphism -- §25 Topological and geometrical homeomorphism -- §26 Construction of g-mappings. Metric parameters. Congruent groups -- Symbols and definitions -- Alphabets -- Bibliography -- Index
Record Nr. UNINA-9910809760103321
Fenchel W (Werner), <1905->  
Berlin ; ; New York, : Walter de Gruyter, 2003
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Discontinuous groups of isometries in the hyperbolic plane / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Discontinuous groups of isometries in the hyperbolic plane / Werner Fenchel, Jakob Nielsen ; edited by Asmus L. Schmidt
Autore Fenchel, Werner
Pubbl/distr/stampa Berlin ; New York : Walter de Gruyter, 2003
Descrizione fisica xxi, 364 p. : ill. ; 25 cm
Disciplina 514.2
Altri autori (Persone) Nielsen, Jakob, 1890-1959author
Schmidt, Asmus L.
Collana De Gruyter studies in mathematics ; 29
Soggetto topico Discontinuous groups
Isometrics (Mathematics)
ISBN 3110175266
Classificazione AMS 30F35
LC QA612.14.F46
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991000648859707536
Fenchel, Werner  
Berlin ; New York : Walter de Gruyter, 2003
Materiale a stampa
Lo trovi qui: Univ. del Salento
Opac: Controlla la disponibilità qui
Isometric embedding of Riemannian manifolds in Euclidean spaces / Qing Han, Jia-Xing Hong
Isometric embedding of Riemannian manifolds in Euclidean spaces / Qing Han, Jia-Xing Hong
Autore Han, Qing
Pubbl/distr/stampa Providence, R.I. : American Mathematical Society, c2006
Descrizione fisica xiv, 260 p. : ill. ; 27 cm
Disciplina 516.362
Altri autori (Persone) Hong, Jia-Xingauthor
Collana Mathematical surveys and monographs, 0076-5376 ; 130
Soggetto topico Riemannian manifolds
Isometrics (Mathematics)
Algebraic spaces
ISBN 0821840711
Classificazione LC QA649.H345
AMS 53C
AMS 35J60
AMS 53C21
AMS 53C45
AMS 58J05
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991002027649707536
Han, Qing  
Providence, R.I. : American Mathematical Society, c2006
Materiale a stampa
Lo trovi qui: Univ. del Salento
Opac: Controlla la disponibilità qui
Isometries on Banach spaces : function spaces / Richard J. Fleming, James E. Jamison
Isometries on Banach spaces : function spaces / Richard J. Fleming, James E. Jamison
Autore Fleming, Richard J.
Pubbl/distr/stampa Boca Raton : Chapman & Hall/CRC, c2003
Descrizione fisica ix, 197 p. ; 24 cm
Disciplina 515.73
Altri autori (Persone) Jamison, James E.
Collana Chapman & Hall/CRC monographs and surveys in pure and applied mathematics ; 129
Soggetto topico Function spaces
Banach spaces
Isometrics (Mathematics)
ISBN 1584880406
Classificazione AMS 46E
LC QA323.F55
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991000649059707536
Fleming, Richard J.  
Boca Raton : Chapman & Hall/CRC, c2003
Materiale a stampa
Lo trovi qui: Univ. del Salento
Opac: Controlla la disponibilità qui
Near Extensions and Alignment of Data in R^n : Whitney Extensions of near Isometries, Shortest Paths, Equidistribution, Clustering and Non-Rigid Alignment of Data in Euclidean Space / / Steven B. Damelin
Near Extensions and Alignment of Data in R^n : Whitney Extensions of near Isometries, Shortest Paths, Equidistribution, Clustering and Non-Rigid Alignment of Data in Euclidean Space / / Steven B. Damelin
Autore Damelin Steven B.
Edizione [First edition.]
Pubbl/distr/stampa Hoboken, NJ : , : John Wiley & Sons Ltd, , [2024]
Descrizione fisica 1 online resource (186 pages)
Disciplina 516.3
Soggetto topico Geometry, Analytic
Mathematical analysis
Rigidity (Geometry)
Nomography (Mathematics)
Euclidean algorithm
Isometrics (Mathematics)
ISBN 1-394-19681-4
1-394-19679-2
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- Near Extensions and Alignment of Data in R -- Contents -- Preface -- Overview -- Structure -- 1 Variants 1-2 -- 1.1 The Whitney Extension Problem -- 1.2 Variants (1-2) -- 1.3 Variant 2 -- 1.4 Visual Object Recognition and an Equivalence Problem in R -- 1.5 Procrustes: The Rigid Alignment Problem -- 1.6 Non-rigid Alignment -- 2 Building -distortions: Slow Twists, Slides -- 2.1 c-distorted Diffeomorphisms -- 2.2 Slow Twists -- 2.3 Slides -- 2.4 Slow Twists: Action -- 2.5 Fast Twists -- 2.6 Iterated Slow Twists -- 2.7 Slides: Action -- 2.8 Slides at Different Distances -- 2.9 3D Motions -- 2.10 3D Slides -- 2.11 Slow Twists and Slides: Theorem 2.1 -- 2.12 Theorem 2.2 -- 3 Counterexample to Theorem 2.2 (part (1)) for card (E )> -- d -- 3.1 Theorem 2.2 (part (1)), Counterexample: k> -- d -- 3.2 Removing the Barrier k> -- d in Theorem 2.2 (part (1)) -- 4 Manifold Learning, Near-isometric Embeddings, Compressed Sensing, Johnson-Lindenstrauss and Some Applications Related to the near Whitney extension problem -- 4.1 Manifold and Deep Learning Via c-distorted Diffeomorphisms -- 4.2 Near Isometric Embeddings, Compressive Sensing, Johnson-Lindenstrauss and Applications Related to c-distorted Diffeomorphisms -- 4.3 Restricted Isometry -- 5 Clusters and Partitions -- 5.1 Clusters and Partitions -- 5.2 Similarity Kernels and Group Invariance -- 5.3 Continuum Limits of Shortest Paths Through Random Points and Shortest Path Clustering -- 5.3.1 Continuum Limits of Shortest Paths Through Random Points: The Observation -- 5.3.2 Continuum Limits of Shortest Paths Through Random Points: The Set Up -- 5.4 Theorem 5.6 -- 5.5 p-powerWeighted Shortest Path Distance and Longest-leg Path Distance -- 5.6 p-wspm,Well Separation Algorithm Fusion -- 5.7 Hierarchical Clustering in Rd -- 6 The Proof of Theorem 2.3 -- 6.1 Proof of Theorem 2.3 (part(2)).
6.2 A Special Case of the Proof of Theorem 2.3 (part (1)) -- 6.3 The Remaining Proof of Theorem 2.3 (part (1)) -- 7 Tensors, Hyperplanes, Near Reflections, Constants ( , , K) -- 7.1 Hyperplane -- We Meet the Positive Constant -- 7.2 "Well Separated" -- We Meet the Positive Constant -- 7.3 Upper Bound for Card (E) -- We Meet the Positive Constant K -- 7.4 Theorem 7.11 -- 7.5 Near Reflections -- 7.6 Tensors,Wedge Product, and Tensor Product -- 8 Algebraic Geometry: Approximation-varieties, Lojasiewicz, Quantification: ( , )-Theorem 2.2 (part (2)) -- 8.1 Min-max Optimization and Approximation-varieties -- 8.2 Min-max Optimization and Convexity -- 9 Building -distortions: Near Reflections -- 9.1 Theorem 9.14 -- 9.2 Proof of Theorem 9.14 -- 10 -distorted diffeomorphisms, O(d) and Functions of Bounded Mean Oscillation (BMO) -- 10.1 BMO -- 10.2 The John-Nirenberg Inequality -- 10.3 Main Results -- 10.4 Proof of Theorem 10.17 -- 10.5 Proof of Theorem 10.18 -- 10.6 Proof of Theorem 10.19 -- 10.7 An Overdetermined System -- 10.8 Proof of Theorem 10.16 -- 11 Results: A Revisit of Theorem 2.2 (part (1)) -- 11.1 Theorem 11.21 -- 11.2 blocks -- 11.3 Finiteness Principle -- 12 Proofs: Gluing and Whitney Machinery -- 12.1 Theorem 11.23 -- 12.2 The Gluing Theorem -- 12.3 Hierarchical Clusterings of Finite Subsets of Rd Revisited -- 12.4 Proofs of Theorem 11.27 and Theorem 11.28 -- 12.5 Proofs of Theorem 11.31, Theorem 11.30 and Theorem 11.29 -- 13 Extensions of Smooth Small Distortions [41]: Introduction -- 13.1 Class of Sets E -- 13.2 Main Result -- 14 Extensions of Smooth Small Distortions: First Results -- Lemma 14.1 -- Lemma 14.2 -- Lemma 14.3 -- Lemma 14.4 -- Lemma 14.5 -- 15 Extensions of Smooth Small Distortions: Cubes, Partitions of Unity, Whitney Machinery -- 15.1 Cubes -- 15.2 Partition of Unity -- 15.3 Regularized Distance.
16 Extensions of Smooth Small Distortions: Picking Motions -- Lemma 16.1 -- Lemma 16.2 -- 17 Extensions of Smooth Small Distortions: Unity Partitions -- 18 Extensions of Smooth Small Distortions: Function Extension -- Lemma 18.1 -- Lemma 18.2 -- 19 Equidistribution: Extremal Newtonian-like Configurations, Group Invariant Discrepancy, Finite Fields, Combinatorial Designs, Linear Independent Vectors, Matroids and the Maximum Distance Separable Conjecture -- 19.1 s-extremal Configurations and Newtonian s-energy -- 19.2 [−1, 1] -- 19.2.1 Critical Transition -- 19.2.2 Distribution of s-extremal Configurations -- 19.2.3 Equally Spaced Points for Interpolation -- 19.3 The n-dimensional Sphere, Sn Embedded in Rn +1 -- 19.3.1 Critical Transition -- 19.4 Torus -- 19.5 Separation Radius and Mesh Norm for s-extremal Configurations -- 19.5.1 Separation Radius of s> -- n-extremal Configurations on a Set Yn -- 19.5.2 Separation Radius of s< -- n − 1-extremal Configurations on Sn -- 19.5.3 Mesh Norm of s-extremal Configurations on a Set Yn -- 19.6 Discrepancy of Measures, Group Invariance -- 19.7 Finite Field Algorithm -- 19.7.1 Examples -- 19.7.2 Spherical ̂t-designs -- 19.7.3 Extension to Finite Fields of Odd Prime Powers -- 19.8 Combinatorial Designs, Linearly Independent Vectors, MDS Conjecture -- 19.8.1 The Case q=2 -- 19.8.2 The General Case -- 19.8.3 The Maximum Distance Separable Conjecture -- 20 Covering of SU(2) and Quantum Lattices -- 20.1 Structure of SU(2) -- 20.2 Universal Sets -- 20.3 Covering Exponent -- 20.4 An Efficient Universal Set in PSU(2) -- 21 The Unlabeled Correspondence Configuration Problem and Optimal Transport -- 21.1 Unlabeled Correspondence Configuration Problem -- 21.1.1 Non-reconstructible Configurations -- 21.1.2 Example -- 21.1.3 Partition Into Polygons -- 21.1.4 Considering Areas of Triangles-10-step Algorithm.
21.1.5 Graph Point of View -- 21.1.6 Considering Areas of Quadrilaterals -- 21.1.7 Partition Into Polygons for Small Distorted Pairwise Distances -- 21.1.8 Areas of Triangles for Small Distorted Pairwise Distances -- 21.1.9 Considering Areas of Triangles (part 2) -- 21.1.10 Areas of Quadrilaterals for Small Distorted Pairwise Distances -- 21.1.11 Considering Areas of Quadrilaterals (part 2) -- 22 A Short Section on Optimal Transport -- 23 Conclusion -- References -- Index -- EULA.
Record Nr. UNINA-9910830377603321
Damelin Steven B.  
Hoboken, NJ : , : John Wiley & Sons Ltd, , [2024]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui