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1. |
Record Nr. |
UNINA9910480756603321 |
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Autore |
Brundan Jonathan <1970-> |
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Titolo |
Representations of shifted Yangians and finite W-algebras / / Jonathan Brundan, Alexander Kleshchev |
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Pubbl/distr/stampa |
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Providence, Rhode Island : , : American Mathematical Society, , [2008] |
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©2008 |
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ISBN |
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Descrizione fisica |
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1 online resource (122 p.) |
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Collana |
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Memoirs of the American Mathematical Society, , 0065-9266 ; ; number 918 |
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Disciplina |
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Soggetti |
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Representations of quantum groups |
Lie superalgebras |
Electronic books. |
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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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"November 2008, volume 196, number 918 (end of volume)." |
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Nota di bibliografia |
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Includes bibliographical references (pages 105-107). |
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Nota di contenuto |
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""Contents""; ""Chapter 1. Introduction""; ""Acknowledgements""; ""Chapter 2. Shifted Yangians""; ""2.1. Generators and relations""; ""2.2. PBW theorem""; ""2.3. Some automorphisms""; ""2.4. Parabolic generators""; ""2.5. Hopf algebra structure""; ""2.6. The center of Y[sub(n)](Ï?)""; ""Chapter 3. Finite W-algebras""; ""3.1. Pyramids""; ""3.2. Finite W-algebras""; ""3.3. Invariants""; ""3.4. Finite W-algebras are quotients of shifted Yangians""; ""3.5. More automorphisms""; ""3.6. Miura transform""; ""3.7. Vanishing of higher T[sup(r)][sub(i,j)]'s""; ""3.8. Harish-Chandra homomorphisms"" |
""Chapter 4. Dual canonical bases""""4.1. Tableaux""; ""4.2. Dual canonical bases""; ""4.3. Crystals""; ""4.4. Consequences of the Kazhdan-Lusztig conjecture""; ""Chapter 5. Highest weight theory""; ""5.1. Admissible modules""; ""5.2. Gelfand-Tsetlin characters""; ""5.3. Highest weight modules""; ""5.4. Classification of admissible irreducible representations""; ""5.5. Composition multiplicities""; ""Chapter 6. Verma modules""; ""6.1. Parametrization of highest weights""; ""6.2. Characters of Verma modules""; ""6.3. The linkage principle""; ""6.4. The center of W(Ï€)"" |
""6.5. Proof of Theorem 6.2""""Chapter 7. Standard modules""; ""7.1. Two rows""; ""7.2. Classification of finite dimensional irreducible |
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representations""; ""7.3. Tensor products""; ""7.4. Characters of standard modules""; ""7.5. Grothendieck groups""; ""Chapter 8. Character formulae""; ""8.1. Skryabin's theorem""; ""8.2. Tensor identities""; ""8.3. Translation functors""; ""8.4. Translation commutes with duality""; ""8.5. Whittaker functor""; ""Notation""; ""Bibliography"" |
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2. |
Record Nr. |
UNINA9910254928603321 |
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Titolo |
ICTs in Developing Countries : Research, Practices and Policy Implications / / edited by Bidit Dey, Karim Sorour, Raffaele Filieri |
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Pubbl/distr/stampa |
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London : , : Palgrave Macmillan UK : , : Imprint : Palgrave Macmillan, , 2016 |
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ISBN |
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Edizione |
[1st ed. 2016.] |
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Descrizione fisica |
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1 online resource (212 p.) |
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Disciplina |
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Soggetti |
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International business enterprises |
Development economics |
Business information services |
Telecommunication |
International economic relations |
Strategic planning |
Leadership |
International Business |
Development Economics |
Business Information Systems |
Communications Engineering, Networks |
International Economics |
Business Strategy and Leadership |
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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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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; ICTs in Developing Countries; Contents; List of Tables and Figures; Tables; Figures; Preface; Section I Conceptualising digital |
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divide and ICT for development; Section II Dynamics and kinetics of the adoption, use and appropriation of ICTs in developing societies; Section III Policy and practitioner implications; Acknowledgements; Notes on Contributors; Section I: Conceptualising Digital Divide and ICT for Development; 1: A Critical Review of the ICT for Development Research; Introduction; Digital divide: a contentious issue; Narrowing the digital divide: a myth or reality |
Optimistic about bridging the digital divideDoubtful and/or cautiously optimistic; Critical review of some of the ICT-led projects; Theorising ICTs for development; Gap in the current literature and future of ICT4D; Conclusion; Notes; References; 2: Structurational Explication of Technology Adoption in ICT4D : A Throwback to Giddens; Introduction; A return to Giddens' social theory of structuration; Putting the agent back in focus; Duality of structure, agency and knowledgeability, and unintended consequences in structuration; Rules-resources framework |
Power as transformative capacity in structurationICT4D through a Giddensian lens; Modernity and change; The centrality of the 'social'; Concluding remarks; Note; References; Section II: Dynamics and Kinetics of the Adoption, Use and Appropriation of ICTs in Developing Societies; 3: Impacts of Information and Communication Technology Implementation on Regulated Financial Services: The Case of Swaziland; Introduction; Background; Overview of Swaziland and the socio-economic climate; The Swaziland financial system; Methodology; Data collection procedure; Data analysis; Case study |
The direct payroll deduction processExcessive payroll deductions; Implementation of the Central Deduction Administration System (CDAS); Post-implementation impacts and issues; Findings from the case study analysis; Comparison of CDAS versus non-CDAS deductions; Salary advances; Post-implementation compliance issues; Cooperatives - the nature of ownership and stakeholders; Non-complying cooperatives and their impact on the financial market; Lack of government control; Implications; Organizational-level impacts of ICT; Implications for other African nations; Conclusion; Note; Reference |
4: How Young Chinese Consumers Choose among Different Smartphone Brands: The Importance of Socio-cultural and Marketing FactorsIntroduction; Emerging markets and smartphone brands; Methodology; Results; Brand choice influencers; Social influence; Brand popularity; Brand image and loyalty; Design of the smartphone; Mianzi; Smartphone features; Discussion; References; 5: Global Tools Enhance Local Exchange through Community Currency in an Alternate Economy; Introduction; Reciprocal gift e-conomy; The Great Transformation; Relationship economics in a network society; The high-tech gift economy |
Money 2:0 |
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Sommario/riassunto |
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ICTs in Developing Countries is a collection of conceptual and empirical works on the adoption and impacts of ICT use in developing societies. Bringing together a wide range of disciplines and contributors, it offers a rich examination of digital divide and ICT for development both in terms of contextual information and disciplinary perspectives. |
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3. |
Record Nr. |
UNINA9910337639703321 |
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Autore |
Werbińska-Wojciechowska Sylwia |
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Titolo |
Technical System Maintenance : Delay-Time-Based Modelling / / by Sylwia Werbińska-Wojciechowska |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019 |
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ISBN |
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Edizione |
[1st ed. 2019.] |
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Descrizione fisica |
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1 online resource (361 pages) |
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Collana |
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Springer Series in Reliability Engineering, , 1614-7839 |
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Disciplina |
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Soggetti |
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Quality control |
Reliability |
Industrial safety |
Mathematical models |
Mathematical optimization |
Quality Control, Reliability, Safety and Risk |
Mathematical Modeling and Industrial Mathematics |
Continuous Optimization |
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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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Nota di contenuto |
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Introduction -- Preventive Maintenance Models for Technical Systems -- Inspection Models for Technical Systems -- Delay-Time Maintenance Models for Technical Systems -- Delay-Time Models for Multi-unit Technical Systems Working in Various Reliability Structures -- Delay-Time Models Implementation Issues -- Conclusions and Future Research. |
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Sommario/riassunto |
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This book provides a detailed introduction to maintenance policies and the current and future research in these fields, highlighting mathematical formulation and optimization techniques. It comprehensively describes the state of art in maintenance modelling and optimization for single- and multi-unit technical systems, and also investigates the problem of the estimation process of delay-time parameters and how this affects system performance. The book discusses delay-time modelling for multi-unit technical systems in |
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various reliability structures, examining the optimum maintenance policies both analytically and practically, focusing on a delay-time modelling technique that has been employed by researchers in the field of maintenance engineering to model inspection intervals. It organizes the existing work into several fields, based mainly on the classification of single- and multi-unit models and assesses the applicability of the reviewed works and maintenance models. Lastly, it identifies potential future research directions and suggests research agendas. This book is a valuable resource for maintenance engineers, reliability specialists, and researchers, as it demonstrates the latest developments in maintenance, inspection and delay-time-based maintenance modelling issues. It is also of interest to graduate and senior undergraduate students, as it introduces current theory and practice in maintenance modelling issues, especially in the field of delay-time modelling. |
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