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  • 1990-1994  (7)
  • 1985-1989
  • 1991  (7)
  • German  (7)
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  • 1990-1994  (7)
  • 1985-1989
Year
Keywords
Language
  • 1
    Publication Date: 2014-03-06
    Description: The rapidly increasing number of AIDS cases requires a realistic estimation of the future development of the HIV/AIDS disease. For that purpose we develop a large system of coupled nonlinear differential equations describing simultaneously the dynamics of the development of the disease, the population size, the gender and age structure. A set of 1650 coupled equations are linked by balanced parameters. The balancing procedure is described by a set of (formally) 2,178,000 additional algebraic conditions. As the considered system is stiff, it requires new special extrapolation methods combined with techniquees of dynamical sparsing for the solution of sparsely filled systems. According to our simulations we expect 19,0,000 deaths caused by AIDS in the Federal Republic of Germany (former territories) in the year 2000. Such an epidemical spread would tie up about 4-7 percent of the actual health care workers.
    Keywords: ddc:000
    Language: German
    Type: reportzib , doc-type:preprint
    Format: application/pdf
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  • 2
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    Unknown
    Publication Date: 2019-10-24
    Keywords: ddc:000
    Language: German
    Type: annualzib , doc-type:report
    Format: application/pdf
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  • 3
    Publication Date: 2022-04-11
    Description: Mit zunehmender Dezentralisierung im Bereich des Wissenschaftlichen Rechnens steigt auch der Bedarf an Softwarequellen qualitativ hochwertiger mathematischer Algorithmen. Für den Software- und Informationsaustausch wird die Einrichtung öffentlicher, elektronischer Softwarebibliotheken vorgeschlagen. Am Beispiel der eLib des ZIB werden die notwendigen technischen Konzepte, die u.a. auch in den heutigen Gegebenheiten der technischen Kommunikation begründet sind, diskutiert. Die eLib ist fenster- und menüorientiert aufgebaut und folglich im Dialog sehr einfach zu benutzen. Sie kann aber auch mit ihrer Kommandosprache allein auf dem Wege über elektronische Post abgefragt werden. Über die eLib sind, nach dem Verbund mit den Netzbibliotheken NetLib und Reduce-NetLib jetzt etwa 6000 mathematische Programme und allgemeine Dokumente verfügbar. Das Dienstleistungsangebot der eLib setzt Beiträge aus einer aktiven Benutzergemeinschaft voraus. Es besteht die Hoffnung, daß durch den öffentlichen Softwareaustausch sich Entwickler und Anwender wechselseitig in ihrer Arbeit befruchten.
    Keywords: ddc:000
    Language: German
    Type: reportzib , doc-type:preprint
    Format: application/pdf
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  • 4
    Book
    Book
    McGraw Hill,
    Title: Viscous fluid flow
    Author: White, Frank M.
    Edition: 2nd ed.
    Publisher: McGraw Hill,
    Year of publication: 1991
    Pages: xxi, 614 S.
    Series Statement: McGraw-Hill series in mechanical engineering
    ISBN: 0-07-069712-4
    Type of Medium: Book
    Language: German
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  • 5
    Journal/Serial
    Journal/Serial
    Berlin :Kulturbuch-Verl., ; 1991 -
    Title: Statistisches Jahrbuch
    Author: Berlin
    Contributer: Berlin / Statistisches Landesamt
    Publisher: Berlin :Kulturbuch-Verl.,
    Year of publication: 1991
    Dates of Publication: 1991 -
    ISSN: 0081-5322
    Type of Medium: Journal/Serial
    Language: German
    Former Title: Vorg. ---〉:Berlin 〈West〉: Statistisches Jahrbuch
    Note: Beteil. Körp. bis 2006: Statistisches Landesamt Berlin
    Additional Information: Beil. ---〉:Berlin / Statistisches Landesamt: Veröffentlichungen des Statistischen Landesamtes Berlin
    Parallel Title: CD-ROM-Ausg. ---〉:Berlin: Statistisches Jahrbuch
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  • 6
    Book
    Book
    Berlin [u.a.] :de Gruyter,
    Title: Optimierung und Approximation /
    Author: Kosmol, Peter
    Publisher: Berlin [u.a.] :de Gruyter,
    Year of publication: 1991
    Pages: XIV, 394 S. : , graph. Darst.
    Series Statement: De-Gruyter-Lehrbuch
    ISBN: 3-11-012363-0 , 3-11-013400-4
    Type of Medium: Book
    Language: German
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  • 7
    Book
    Book
    New York ; Berlin ; Heidelberg ; London ; Paris ; Tokyo ; Hong Kong ; Barcelona ; Budapest :Springer,
    Title: Dynamics and bifurcations /; 3
    Author: Hale, Jack K.
    Contributer: Koçak, Hüseyin
    Publisher: New York ; Berlin ; Heidelberg ; London ; Paris ; Tokyo ; Hong Kong ; Barcelona ; Budapest :Springer,
    Year of publication: 1991
    Pages: XIV, 568 S. : , Ill., graph. Darst. ; , 25 cm
    Series Statement: Texts in applied mathematics 3
    ISBN: 3-540-97141-6 , 0-387-97141-6
    Type of Medium: Book
    Language: German
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