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  • Articles: DFG German National Licenses  (4)
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  • Articles: DFG German National Licenses  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    On the robustness of the dampedV-cycle of the wavelet frequency decomposition multigrid method (1994)
    Springer
    Computing 53 (1994), S. 155-171 
    Details
    ISSN: 1436-5057
    Keywords: 65F10 ; 65N30 ; Wavelets ; wavelet packets ; robust multilevel methods ; V-cycle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Wir betrachten den gedämpftenV-Zyklus für die Wavelet-Variante der “Frequenzzerlegungs-Multigridmethode” von Hackbusch [Numer. Math.56, 229–245 (1989)]. Es wird gezeigt, daß die Konvergenzgeschwindigkeit bei hinreichender Dämpfung durch Anisotropie nicht beeinflußt wird, aber noch von der Anzahl des Niveaus abhängt. Unsere Analyse beruht auf Eigenschaften von Wavelet-Paketen, die formuliert und bewiesen werden. Numerische Schätzungen der Konvergenzgeschwindigkeit erläutern die theoretischen Ergebnisse.
    Notes: Abstract The dampedV-cycle of the wavelet variation of the “Frequency decomposition multigrid method” of Hackbusch [Numer. Math.56, pp. 229–245 (1989)] is considered. It is shown that the convergence speed under sufficient damping is not affected by the presence of anisotropy but still depends on the number of levels. Our analysis is based on properties of wavelet packets which are supplied and proved. Numerical approximations to the speed of convergence illustrate the theoretical results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02252987
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Diagnostik der Nikotinabhängigkeit Wiener Standard Raucher-Fragebogen (1998)
    Springer
    Der Internist 39 (1998), S. 1305-1306 
    Details
    ISSN: 1432-1289
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Das vorliegende “Wiener Standard Raucher-Inventar” (WSR) wurde erstellt, um die Durchführung der Erstdiagnostik bzw. Begleitdiagnostik im Zusammenhang mit der Rauchertherapie zu optimieren. Die einzelnen Teile des WSR reichen von allgemeinen Lebensdaten, über Prä-Abstinenz-Syndrom und Nikotinabhängigkeit bis zu möglichen Barrieren zur Raucherentwöhnung. Es wird ausdrücklich darauf hingewiesen, daß das WSR von den Therapeuten nach der jeweiligen Ausbildung und Vorerfahrung individuell genützt werden soll, um so einen jeweils spezifischen Zugang zum Problem offen zu lassen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001080050302
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Primary diffuse leptomeningeal gliomatosis (PDLG): A neoplastic cause of chronic meningitis (1993)
    Springer
    Journal of neuro-oncology 15 (1993), S. 275-283 
    Details
    ISSN: 1573-7373
    Keywords: gliomatosis ; primary ; chronic meningitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cancerous ‘chronic meningitis’ may be related to subarachnoid space involvement by solid tumors, hematologic malignancies or rarely intraparenchymatous gliomas. Primary leptomeningeal gliomatosis is a rare condition that is attributed to malignant transformation of heterotopic neuroglial tissue. We discuss the clinical and biological features of a patient who died with the diffuse form of primary leptomeningeal gliomatosis (PDLG). A literature search shows that a one to two months long non-specific prodromal phase followed by a fluctuating neurologic downhill course is suggestive of this disease. Cerebro-spinal fluid (CSF) cytology has been diagnostic in only 1 of 8 reported cases. Recent technical progress, including the use of GFAP (glial fibrillary acidic protein) directed antibody, may enhance the sensitivity of CSF cytologies. Diagnosis may require repeated cerebral biopsies, because the hemispheric lesions are often separated by normal tissue. PDLG must be added to the large differential diagnosis of ‘chronic meningitis’.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01050075
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Austrian Dream Behavior: Results of a Representative Population Survey (1998)
    Springer
    Dreaming 8 (1998), S. 23-30 
    Details
    ISSN: 1573-3351
    Keywords: dream recall ; dream content ; nightmares ; epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Psychology
    Notes: Abstract This study was based on a survey of a representative sample of 1000 Austrians who were questioned about their sleep and dream behavior. About two-thirds of the respondents reported that they generally recalled at least one dream per month. Dream recall frequency decreased with advancing age, but did not differ between men and women. Fifty-five percent of the respondents characterized the affective content of their dreams: 29% reported neutral, 20% positive, and 6% negative dreams. Four percent of the sample reported suffering from nightmares. These respondents more frequently reported snoring, interrupted sleep, daytime somnolence, anxiety and nervousness, depression, high dream recall, recurrent dreams, and dreaming in color. Twenty-six percent of the total sample reported that sometimes they realized during their dreams that they were dreaming. These respondents more frequently reported family problems, high dream recall, positive dream content, recurrent dreams, dreaming in color, and nightmares.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:DREM.0000005912.77493.d6
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    Paper (German National Licenses)
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