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1. |
Record Nr. |
UNISA996466504203316 |
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Autore |
Veselić Ivan <1973-> |
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Titolo |
Existence and regularity properties of the integrated density of states of random Schrödinger operators / / Ivan Veselić |
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Pubbl/distr/stampa |
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Berlin ; ; Heidelberg : , : Springer, , [2008] |
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©2008 |
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ISBN |
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Edizione |
[1st ed. 2008.] |
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Descrizione fisica |
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1 online resource (X, 147 p.) |
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Collana |
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Lecture notes in mathematics ; ; 1917 |
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Disciplina |
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Soggetti |
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Schrödinger operator |
Spectral energy distribution |
Quantum theory |
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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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Note generali |
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"1617-9692 (electronic ed.)." |
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Nota di bibliografia |
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Includes bibliographical references (pages [113]-138) and index. |
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Nota di contenuto |
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Random Operators -- Existence of the Integrated Density of States -- Wegner Estimate -- Wegner’s Original Idea. Rigorous Implementation -- Lipschitz Continuity of the IDS. |
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Sommario/riassunto |
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The theory of random Schrödinger operators is devoted to the mathematical analysis of quantum mechanical Hamiltonians modeling disordered solids. Apart from its importance in physics, it is a multifaceted subject in its own right, drawing on ideas and methods from various mathematical disciplines like functional analysis, selfadjoint operators, PDE, stochastic processes and multiscale methods. The present text describes in detail a quantity encoding spectral features of random operators: the integrated density of states or spectral distribution function. Various approaches to the construction of the integrated density of states and the proof of its regularity properties are presented. The setting is general enough to apply to random operators on Riemannian manifolds with a discrete group action. References to and a discussion of other properties of the IDS are included, as are a variety of models beyond those treated in detail here. |
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2. |
Record Nr. |
UNINA9910790836103321 |
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Autore |
Kassel Kerul |
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Titolo |
The thinking executive's guide to sustainability / / Kerul Kassel |
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Pubbl/distr/stampa |
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New York, New York (222 East 46th Street, New York, NY 10017) : , : Business Expert Press, , 2014 |
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ISBN |
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1-78402-486-4 |
1-60649-420-1 |
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Edizione |
[First edition.] |
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Descrizione fisica |
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1 online resource (202 p.) |
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Collana |
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Environmental and social sustainability for business advantage collection, , 2327-3348 |
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Disciplina |
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Soggetti |
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Sustainability |
Social responsibility of business |
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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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Note generali |
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Part of: 2014 digital library. |
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Nota di bibliografia |
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Includes bibliographical references (pages 157-170) and index. |
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Nota di contenuto |
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1. Systems simplified -- 2. What is meant by sustainability and who defines it -- 3. Systems and sustainability -- 4. Commerce as a system -- 5. Why industry is crucial to sustainability -- 6. Corporate sustainability frameworks, metrics, and indices -- 7. Where to start in your business -- Notes -- References -- Index. |
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Sommario/riassunto |
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We live in an increasingly global economy in which the effects of shrunken economies, broadened communication, and widespread meteorological incidents associated with climate change are leaving virtually no one untouched. As a result, a working knowledge of concepts such as the triple bottom line and sustainability have become mandatory. Systems thinking, foundational for grasping these concepts, is based on transdisciplinary theories, deriving in part from biology, physics, economics, philosophy, computer science, engineering, geography, and other sciences. Specifically it is the study of systems, including all life-forms, climate phenomena, and even in human learning and organizational processes, that regulate themselves through feedback. |
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