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  • 2000-2004  (6)
  • 1920-1924
  • 1830-1839
  • 2003  (6)
  • 93C99  (3)
  • National characteristics, American.  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Controllability of a class of hybrid dynamic systems (III)—Multiple time-delay case (2003)
    Springer
    Applied mathematics and mechanics 24 (2003), S. 1063-1074 
    Details
    ISSN: 1573-2754
    Keywords: hybrid dynamic system ; switched linear system ; time-delay ; controllability ; controllable set ; switching sequence ; switching path ; TP13 ; TP273 ; O317 ; 93B05 ; 93B27 ; 93C99
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Mathematics , Physics
    Notes: Abstract The controllability for switched linear systems with time-delay in controls is first investigated. The whole work contains three parts. This is the third part. The definition and determination of controllability of switched linear systems with multiple time-delay in control functions is mainly investigated. The sufficient and necessary conditions for the one-periodic, multiple-periodic controllability of periodic-type systems and controllability of aperiodic systems are presented, respectively. Finally, the case of distinct delays is discussed, it is shown that the controllability is independent of the size of delays.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437638
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Controllability of a class of hybrid dynamic systems (II)—Single time-delay case (2003)
    Springer
    Applied mathematics and mechanics 24 (2003), S. 1051-1062 
    Details
    ISSN: 1573-2754
    Keywords: hybrid dynamic system ; switched linear system ; time-delay ; controllability ; controllable set ; switching sequence ; switching path ; TP13 ; TP273 ; O317 ; 93B05 ; 93B27 ; 93C99
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Mathematics , Physics
    Notes: Abstract The controllability for switched linear systems with time-delay in controls is first investigated. The whole work contains three parts. This is the second part. The definition and determination of controllability of switched linear systems with single time-delay in control functions is mainly investigated. The sufficient and necessary conditions for the oneperiodic, multiple-periodic controllability of periodic-type systems and controllability of periodic systems are presented, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437637
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Controllability of a class of hybrid dynamic systems (I)—Basic properties and preliminary results (2003)
    Springer
    Applied mathematics and mechanics 24 (2003), S. 1041-1050 
    Details
    ISSN: 1573-2754
    Keywords: hybrid dynamic system ; switched linear system ; time-delay ; controllability ; generalized cyclic invariant subspace ; switching sequence ; switching path ; TP13 ; TP273 ; O317 ; 93B05 ; 93B27 ; 93C99
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Mathematics , Physics
    Notes: Abstract The controllability for switched linear system with time-delay in controls was first investigated. The whole work contains three parts. This is the first part, including problem formulation and some preliminaries. Firstly, the mathematical model of switched linear systems with time-delay in control functions was presented. Secondly, the concept of column space, cyclic invariant subspace and generalized cyclic invariant subspace were introduced. And some basic properties, such as separation lemma, were presented. Finally, a basic lemma was given to reveal the relation between the solution set of a centain integral equations and the generalized cyclic invariant subspace. This lemma will play an important role in the determination of controllability. All these definitions and lemmas are necessary research tools for controllability analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02437636
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    Paper (German National Licenses)
    Fulltext
  • 4
    Unknown
    The fractious nation? : unity and division in contemporary American life (2003)
    Berkeley : University of California Press
    Details
    Keywords: United States, Moral conditions. ; United States, Politics and government, 1989- ; United States, Social conditions, 1980- ; Citizenship, Social aspects, United States. ; National characteristics, American. ; Pluralism (Social sciences), United States. ; Political culture, United States. ; Social conflict, United States.
    Notes: Getting a fix on fragmentation: "breakdown" as estimation error, rhetorical strategy, and organizational accomplishment / Jonathan Rieder -- The fetish of difference / Richard Berstein -- Fragments or ties? the defense of difference / Martha Minow -- The myth of culture war: the disparity between private opinion and public politics / Paul DiMaggio -- America's Jews: highly fragmented, insufficiently disputatious / Jack Wertheimer -- Once again, strangers on our shores / Mary C. Waters -- Expelling newcomers: the eclipse of constitutional community / Cecilia Muñoz -- The United States in the world community: the limits of national sovereignty / Douglas S. Massey -- "Who cares who killed Roger Ackroyd?": narrowing the enduring divisions of race / Jennifer Hochschild -- The ambivalence of citizenship: African-American intellectuals in search of community / Kevin Gaines -- Social provision and civic community: beyond fragmentation / Theda Skocpol -- Stable fragmentation in multicultural America / Paul Starr -- The moral compassion of true conservatism / John J. DiIulio Jr. -- Shaking off the past: third ways, fourth ways, and the urgency of politics / E.J. Dionne Jr. -- Epilogue: Into the unknown: unity and conflict after September 11, 2001 / Jonathan Rieder
    Pages: vii, 295 p.
    ISBN: 1-417-52558-4
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=108538
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    E-Book (German National Licenses)
  • 5
    Unknown
    Portrait of America : a cultural history of the Federal Writers' Project (2003)
    Chapel Hill : University of North Carolina Press
    Details
    Keywords: Federal Writers' Project, History. ; United States, Civilization, 1918-1945. ; United States, Historiography. ; United States, Intellectual life, 20th century. ; National characteristics, American.
    Pages: xii, 293 p.
    ISBN: 0-8078-6166-9
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=114687
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    E-Book (German National Licenses)
  • 6
    Unknown
    The American dream : a short history of an idea that shaped a nation (2003)
    Oxford [England] ; New York : Oxford University Press
    Details
    Keywords: United States, Civilization, Philosophy. ; United States, Politics and government, Philosophy. ; National characteristics, American. ; Social values, United States.
    Notes: Introduction: A dream country -- Dream of the good life (I) : the Puritan enterprise -- Dream charter : The declaration of independence -- Dream of the good life (II) : upward mobility -- King of America : the dream of equality -- Detached houses : the dream of home ownership -- Dream of the good life (III) : the coast -- Conclusion: Extending the dream
    Pages: x, 214 p.
    ISBN: 0-19-530398-9
    URL: http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=129263
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    E-Book (German National Licenses)
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