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1. |
Record Nr. |
UNISALENTO991001101459707536 |
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Autore |
Ricciardi, Carlo Antonio |
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Titolo |
Economia dell'informazione e della comunicazione / Marco Gambaro, Carlo Antonio Ricciardi |
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Pubbl/distr/stampa |
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Roma ; Bari : Laterza, 1997 |
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ISBN |
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Descrizione fisica |
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Collana |
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Università Laterza. Economia ; 11 |
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Altri autori (Persone) |
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Soggetti |
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Capitalismo |
Comunicazione - Economia |
Tecnologia dell'informazione |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910830676703321 |
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Autore |
Simon Jacques |
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Titolo |
Distributions / / Jacques Simon |
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Pubbl/distr/stampa |
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Hoboken, NJ : , : John Wiley & Sons, Inc., , [2022] |
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©2022 |
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ISBN |
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1-394-16536-6 |
1-394-16534-X |
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Descrizione fisica |
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1 online resource (408 pages) |
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Collana |
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Mathematics and statistics series. Analysis for PDEs set ; ; volume 3 |
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Disciplina |
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Soggetti |
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Theory of distributions (Functional analysis) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Sommario/riassunto |
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This book presents a simple and original theory of distributions, both real and vector, adapted to the study of partial differential equations. It deals with value distributions in a Neumann space, that is, in which any Cauchy suite converges, which encompasses the Banach and Fřchet spaces and the same "weak" spaces. Alongside the usual operations - derivation, product, variable change, variable separation, restriction, extension and regularization - Distributions presents a new operation: weighting. This operation produces properties similar to those of convolution for distributions defined in any open space. Emphasis is placed on the extraction of convergent sub-sequences, the existence and study of primitives and the representation by gradient or by derivatives of continuous functions. Constructive methods are used to make these tools accessible to students and engineers. |
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