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  • Ising model  (5)
  • Astronomy
  • LUNAR AND PLANETARY EXPLORATION
  • METEOROLOGY AND CLIMATOLOGY
  • Mice
  • Models, Molecular
  • ddc:330
  • Springer  (8)
Collection
Keywords
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Direct and correlated responses to selection for weaning weight, post-weaning weight gain and six-week weight in mice (1984)
    Springer
    Theoretical and applied genetics 67 (1984), S. 113-122 
    Details
    ISSN: 1432-2242
    Keywords: Mice ; Selection ; Growth ; Genetic correlation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Four lines of mice were formed from a common base population and selected for 37 generations for either increased 3-week weight (weaning weight), 6-week weight, 3–6 week gain, or maintained as a randomly bred control line. Realised heritability estimates for short-term (long-term) responses were 0.33±0.20 (0.07±0.10), 0.46±0.14 (0.26±0.09), 0.36±0.14 (0.24±0.11) for 3-week weight, 6-week weight and 3–6 week gain, respectively. Realised genetic correlations estimated from short-term (long-term) responses were 0.23±0.08 (0.35±0.10) between 3-week weight and 3–6 week gain; 0.82±0.04 (0.58±0.08) between 3-week weight and 6-week weight; and 0.81±0.04 (0.97±0.04) between 3–6 week gain and 6-week weight. The genetic correlation between 3-week weight and 6-week weight was asymmetric with a greater correlated response for 3-week weight when selecting for 6-week weight (1.06) than vice versa (0.63).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00317015
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  • 2
    Electronic Resource
    Electronic Resource
    Replicated selection for insulin-like growth factor-1 and body weight in mice (1991)
    Springer
    Theoretical and applied genetics 81 (1991), S. 685-692 
    Details
    ISSN: 1432-2242
    Keywords: IGF-1 ; Body weight ; Realized heritability ; Genetic correlation ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Five generations of divergent selection for plasma concentration of insulin-like growth factor-1 (IGF-1) and for 12-week body weight were carried out in mice, including randomly selected control lines for each trait. All lines were replicated once (12 lines in total). Each replicate line consisted of eight male and eight female parents per generation. Litter size was standardized to eight pups at birth. Mass selection was applied in the selected lines and within-family random selection in the control lines. Blood was taken from the orbital sinus of individual mice at 12 weeks of age for IGF-1 assay. Realized heritabilities were 0.10±0.01 for IGF-1 and 0.41 ± 0.02 for 12-week weight. The realized genetic correlation between IGF-1 and 12-week weight was 0.58 ± 0.01, with a phenotypic correlation of 0.38. Although the genetic correlation between IGF-1 and body weight in mice is moderately positive, 12-week weight responded 3.5 times as fast to weight selection as to selection for IGF-1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226738
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  • 3
    Electronic Resource
    Electronic Resource
    Phenotypic and genetic variability of estimated growth curve parameters in mice (1988)
    Springer
    Theoretical and applied genetics 76 (1988), S. 148-156 
    Details
    ISSN: 1432-2242
    Keywords: Growth curve ; Genetic parameters ; Heritability ; Mice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Data from 1,919 outbred ICR mice were used to examine the potential usefulness of growth curve parameters as selection criteria for altering the relationship between body weight and age. A logistic growth function was used to model growth through 12 weeks of age. Estimates of asymptotic weight (A), maximum growth rate (r) and age at point of inflection (t*) were obtained by nonlinear least-squares. A log transformation was also used to stabilize residual variance. Phenotypic and genetic parameters were estimated for the estimated growth curve parameters and for body weights at 2, 3, 4.5, 6, 8 and 12 weeks of age. Heritabilities of estimated growth curve parameters (obtained with and without a log transformation, respectively) were: A (0.28±0.07, 0.28±0.07), r (0.35±0.07, 0.53±0.09) and t* (0.41±0.08, 0.44±0.08). Estimated genetic correlations suggest that t* may be useful in selecting for rapid early growth without increasing mature weight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288846
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  • 4
    Electronic Resource
    Electronic Resource
    On the ferromagnetic Ising model in noninteger spatial dimension (1982)
    Springer
    Journal of statistical physics 29 (1982), S. 699-716 
    Details
    ISSN: 1572-9613
    Keywords: Ising model ; Yang-Lee theorem ; dimensional analytic continuation ; series expansions methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Using the necessary and sufficient conditions in terms of the high-field series coefficients that the Yang-Lee theorem holds, we prove rigorously by counterexample that it cannot be extended to general noninteger dimension, when such models are defined by the “natural” analytic continuation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01011786
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  • 5
    Electronic Resource
    Electronic Resource
    The Markov property method applied to Ising model calculations (1994)
    Springer
    Journal of statistical physics 77 (1994), S. 955-976 
    Details
    ISSN: 1572-9613
    Keywords: Markov property ; Ising model ; critical phenomena ; parallel computational procdures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An efficient method of computation for models possessing the Markov property is set out. We apply this method to the two-dimensional ising model and report exact computations for up to 10 by 10 models with periodic boundary conditions. We find that critical-point, finite-size rounding is quite large in the renormalized coupling constant, which is not divergent at the critical point, in contrast to the energy, which is also not divergent and has no rounding there. The difference is traced to the continuity of the energy and the discontinuity of the renormalized coupling constant at the critical point.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02183146
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  • 6
    Electronic Resource
    Electronic Resource
    Ising-Model, Block-Spin Distributions by the Markov Property Method (1998)
    Springer
    Journal of statistical physics 93 (1998), S. 573-582 
    Details
    ISSN: 1572-9613
    Keywords: Scaling ; Ising model ; Markov property ; critical phenomena ; parallel computational procedures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The idea that near the critical point each block of spins behaves just like a single big spin is investigated. The case where a diamond-shaped block of spins is embedded in a (small) sea of spins is studied. Use is made of the Markov property method to make exact computations of the various spin moments needed to test this hypothesis. The residual fluctuation about the mean value of the block spin is seen to tend to a finite fraction of the length of the mean block-spin. This result is in line with previous studies which used different types of boundary conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:JOSS.0000033242.95755.4e
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  • 7
    Electronic Resource
    Electronic Resource
    The border model in one dimension (1990)
    Springer
    Journal of statistical physics 58 (1990), S. 467-474 
    Details
    ISSN: 1572-9613
    Keywords: Ising model ; border model ; Padé approximants ; series analysis ; universality ; pluralism ; field theory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The magnetic susceptibility is studied by the methods of series analysis for the one-dimensional border model (a special case of the continuous-spin Ising model). The structure of this model is analyzed and two conjugate pairs of singularities are found near the real (physical) temperature axis. All the numerical results are consistent with the previously known rigorous results, but do not add to the knowledge of the critical properties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01112756
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  • 8
    Electronic Resource
    Electronic Resource
    A Markov-property Monte Carlo method: One-dimensional Ising model (1993)
    Springer
    Journal of statistical physics 72 (1993), S. 621-641 
    Details
    ISSN: 1572-9613
    Keywords: Monte Carlo ; Markov property ; Ising model ; critical phenomena
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this paper we introduce a new Monte Carlo procedure based on the Markov property. This procedure is particularly well suited to massively parallel computation. We illustrate the method on the critical phenomena of the well known one-dimensional Ising model. In the course of this work we found that the autocorrelation time for the Metropolis Monte Carlo algorithm is closely given by the square of the correlation length. We find speedup factors of the order of 1 million for the method as implemented on the CM2 relative to a serial machine. Our procedure gives error estimates which are quite consistent with the observed deviations from the analytically known exact results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01048026
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