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  • 1
    Electronic Resource
    Electronic Resource
    Alpha-tocopherol content of feeds (1968)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 16 (1968), S. 659-664 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf60158a008
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Random Matrix Theory and L-Functions at s= 1/2 (2000)
    Springer
    Communications in mathematical physics 214 (2000), S. 91-100 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract: Recent results of Katz and Sarnak [8, 9] suggest that the low-lying zeros of families of L-functions display the statistics of the eigenvalues of one of the compact groups of matrices U(N), O(N) or USp(2N). We here explore the link between the value distributions of the L-functions within these families at the central point s= 1/2 and those of the characteristic polynomials Z(U,θ) of matrices U with respect to averages over SO(2N) and USp(2N) at the corresponding point θ= 0, using techniques previously developed for U(N) in [10]. For any matrix size N we find exact expressions for the moments of Z(U,0) for each ensemble, and hence calculate the asymptotic (large N) value distributions for Z(U,0) and log Z(U,0). The asymptotic results for the integer moments agree precisely with the few corresponding values known for L-functions. The value distributions suggest consequences for the non-vanishing of L-functions at the central point.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002200000262
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  • 3
    Electronic Resource
    Electronic Resource
    Random Matrix Theory and ζ(1/2+it) (2000)
    Springer
    Communications in mathematical physics 214 (2000), S. 57-89 
    Details
    ISSN: 1432-0916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract: We study the characteristic polynomials Z(U, θ) of matrices U in the Circular Unitary Ensemble (CUE) of Random Matrix Theory. Exact expressions for any matrix size N are derived for the moments of |Z| and Z/Z *, and from these we obtain the asymptotics of the value distributions and cumulants of the real and imaginary parts of log Z as N→∞. In the limit, we show that these two distributions are independent and Gaussian. Costin and Lebowitz [15] previously found the Gaussian limit distribution for Im log Z using a different approach, and our result for the cumulants proves a conjecture made by them in this case. We also calculate the leading order N→∞ asymptotics of the moments of |Z| and Z/Z *. These CUE results are then compared with what is known about the Riemann zeta function ζ (s) on its critical line Re s= 1/2, assuming the Riemann hypothesis. Equating the mean density of the non-trivial zeros of the zeta function at a height T up the critical line with the mean density of the matrix eigenvalues gives a connection between N and T. Invoking this connection, our CUE results coincide with a theorem of Selberg for the value distribution of log ζ(1/2+iT) in the limit T→∞. They are also in close agreement with numerical data computed by Odlyzko [29] for large but finite T. This leads us to a conjecture for the moments of |ζ(1/2+it) |. Finally, we generalize our random matrix results to the Circular Orthogonal (COE) and Circular Symplectic (CSE) Ensembles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002200000261
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  • 4
    Electronic Resource
    Electronic Resource
    Hyperalimentation catheter passing into the spinal canal causing temporary paraplegia (1978)
    Springer
    Pediatric radiology 7 (1978), S. 119-120 
    Details
    ISSN: 1432-1998
    Keywords: Complications of hyperalimentation ; Intravascular catheters
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A patient with a hyperalimentation catheter in the spinal canal is presented. This resulted in an extradural fluid mass and partial paraplegia that eventually cleared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00975683
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Use of ultrasonic surgical aspirator in operative cytoreduction of pseudomyxoma peritonei (2000)
    Springer
    Diseases of the colon & rectum 43 (2000), S. 559-560 
    Details
    ISSN: 1530-0358
    Keywords: Pseudomyxoma peritonei ; Cytoreduction ; Ultrasonic aspirator ; Surgical technique
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Pseudomyxoma peritonei presents a unique challenge to the surgical oncologist. Residual gelatinous tumor with varying degrees of adherence always remains on the abdominal viscera after standard excisional therapy. Traditionally, this has been removed by “electroevaporation” with ball-tip diathermy, but this is associated with an extensive peritoneal burn and associated ileus. We describe the use of an ultrasonic surgical aspirator as a safe and efficient method of tumor removal in this condition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02237207
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  • 6
    Electronic Resource
    Electronic Resource
    Are special investigations of value in the management of patients with fecal incontinence? (1997)
    Springer
    Diseases of the colon & rectum 40 (1997), S. 896-901 
    Details
    ISSN: 1530-0358
    Keywords: Fecal incontinence ; Electromyography ; Ultrasound ; Manometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract PURPOSE: The aim of this study was to determine whether special investigations significantly alter either the diagnosis or the management plan of patients with fecal incontinence assessed on the basis of a structured history and physical examination alone. METHODS: Fifty consecutive patients with fecal incontinence were prospectively studied in a tertiary referral clinic. Each patient was assessed by two clinicians who independently formulated a diagnosis and treatment plan based on the history and physical examination. The resulting 100 patient assessments were then compared with the final diagnosis and treatment plan formulated on completion of endoanal ultrasound, anal manometry, external sphincter electromyography, and defecating proctography. RESULTS: In the assessment of fecal incontinence, the addition of special investigations altered the diagnosis of the cause of incontinence based on history and examination alone in 19 percent of cases. The management plan was altered in 16 percent of cases. Special investigations were most useful in separating neuropathy from rectal wall disorders and in demonstrating the unexpected presence of internal sphincter defects and neuropathy. CONCLUSIONS: Even experienced colorectal surgeons will misdiagnose up to one-fifth of patients presenting with fecal incontinence if assessment is based on the history and physical examination alone. However surgically correctable causes of incontinence are rarely missed on clinical assessment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02051195
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  • 7
    Electronic Resource
    Electronic Resource
    The authors reply (2000)
    Springer
    Diseases of the colon & rectum 43 (2000), S. 1456-1456 
    Details
    ISSN: 1530-0358
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02236650
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