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[null,"1.","Record Nr.",null,"UNINA9910795326503321"]
[null,null,"Autore",null,"Franganillo Jorge"]
[null,null,"Titolo",null,"Formatos digitales : propiedades técnicas y contextos de uso / / Jorge Franganillo"]
[null,null,"Pubbl/distr/stampa",null,"Barcelona, Spain : , : Editorial UOC, , [2022]"]
[{"$nulls":4},"©2022"]
[null,null,"ISBN",null,"84-9180-948-1"]
[null,null,"Descrizione fisica",null,"1 online resource (184 pages)"]
[null,null,"Collana",null,"EPI Scholar"]
[null,null,"Disciplina",null,"005.7"]
[null,null,"Soggetti",null,"Computer files"]
[{"$nulls":4},"Computer science"]
[{"$nulls":4},"Computer systems"]
[null,null,"Lingua di pubblicazione",null,"Spagnolo"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,"Nota di contenuto",null,"Intro -- Introducción -- Anatomía de la información digital -- 1. Todo comienza con el bit -- 2. Fichero, documento, firma digital, formato y aplicación -- 3. Modelo de referencia OAIS -- 4. Metadatos -- 5. Cadena de bloques -- Ficheros y sistemas de ficheros -- 1. Características de los ficheros -- 2. Sistemas de ficheros -- 3. Compresión de datos -- Reconocimiento, propiedades y conversión de formatos -- 1. Factores de sostenibilidad -- 2. Factores de calidad y funcionalidad -- 3. Equilibrar los factores -- 4. Conversión de formatos -- Formatos digitales y propiedades técnicas -- 1. Datos -- 2. Texto -- 3. Imagen -- 4. Audio -- 5. Vídeo -- 6. Formatos genéricos -- Estructurar y transformar información con XML -- 1. Lenguajes de marcas -- 2. XML -- 3. Transformaciones XSL -- 4. Aplicaciones XML estándar -- 5. Marcado semántico -- Reflexiones y recomendaciones -- Bibliografía."]
[null,null,null,"Sommario/riassunto","Un formato digital es una convención que traduce cualquier información al idioma que entienden los sistemas informáticos: el lenguaje binario. Codifica y estructura contenido de cualquier tipo: datos, texto, imagen, sonido, vídeo, y formas combinadas o derivadas tales como animaciones, modelos 3D o vídeos con subtítulos. ¿Qué formatos son adecuados para grabar y distribuir un pódcast? ¿Qué tipos de documento se pueden firmar con certificado digital? ¿En qué formato y con qué metadatos conviene preservar o difundir las fotos de un acontecimiento? ¿Cómo se puede diseñar y divulgar un formato "]
[{"$nulls":4},"nuevo? Con un lenguaje claro y sencillo, este manual explica qué formato es adecuado para generar, manipular, distribuir o archivar información según la situación de uso, y cómo convertir esa información a otros formatos para adaptarla adecuadamente a otras necesidades sin perder ninguna cualidad relevante."]
[null,"2.","Record Nr.",null,"UNINA9910992772503321"]
[null,null,"Autore",null,"Kassel Fanny"]
[null,null,"Titolo",null,"Spectral Analysis on Standard Locally Homogeneous Spaces / / by Fanny Kassel, Toshiyuki Kobayashi"]
[null,null,"Pubbl/distr/stampa",null,"Singapore : , : Springer Nature Singapore : , : Imprint : Springer, , 2025"]
[null,null,"ISBN",null,"9789819619573"]
[{"$nulls":4},"9819619572"]
[null,null,"Edizione",null,"[1st ed. 2025.]"]
[null,null,"Descrizione fisica",null,"1 online resource (120 pages)"]
[null,null,"Collana",null,"FJ-LMI Subseries, , 3059-4154 ; ; 2367"]
[null,null,"Disciplina",null,"515.785"]
[null,null,"Soggetti",null,"Harmonic analysis"]
[{"$nulls":4},"Topological groups"]
[{"$nulls":4},"Lie groups"]
[{"$nulls":4},"Abstract Harmonic Analysis"]
[{"$nulls":4},"Topological Groups and Lie Groups"]
[{"$nulls":4},"Anàlisi harmònica"]
[{"$nulls":4},"Grups topològics"]
[{"$nulls":4},"Llibres electrònics"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,"Nota di contenuto",null,"1 Introduction -- 2 Method of proof -- Part I Generalities -- 3 Reminders: spectral analysis on spherical homogeneous spaces -- 4 Discrete spectrum of type I and II -- 5 Diﬀerential operators coming from 𝑳 and from the fiber 𝑭 -- Part II Proof of the theorems of Chapter 1 -- 6 Essential self-adjointness of the Laplacian -- 7 Transfer of Riemannian eigenfunctions and spectral decomposition -- 8 Consequences of conditions (A) and (B) on representations of G and 𝑳 -- 9 The maps i𝝉,𝚪 and p𝝉,𝚪 preserve type I and type II -- 10 Infinite discrete spectrum of type II -- Part III Representation-theoretic description of the discrete spectrum -- 11 A conjectural picture -- 12 The discrete spectrum in terms of group representations."]
[null,null,null,"Sommario/riassunto","A groundbreaking theory has emerged for spectral analysis of pseudo-Riemannian locally symmetric spaces, extending beyond the traditional Riemannian framework. The theory introduces innovative approaches to global analysis of locally symmetric spaces endowed with an indefinite metric. Breakthrough methods in this area are introduced through the development of the branching theory of infinite-dimensional "]
[{"$nulls":4},"representations of reductive groups, which is based on geometries with spherical hidden symmetries. The book elucidates the foundational principles of the new theory, incorporating previously inaccessible material in the literature. The book covers three major topics. (1) (Theory of Transferring Spectra) It presents a novel theory on transferring spectra along the natural fiber bundle structure of pseudo-Riemannian locally homogeneous spaces over Riemannian locally symmetric spaces. (2) (Spectral Theory) It explores spectral theory for pseudo-Riemannian locally symmetric spaces, including the proof of the essential self-adjointness of the pseudo-Riemannian Laplacian, spectral decomposition of compactly supported smooth functions, and the Plancherel-type formula. (3) (Analysis of the Pseudo-Riemannian Laplacian) It establishes the abundance of real analytic joint eigenfunctions and the existence of an infinite L2 spectrum under certain additional conditions."]