Interdisciplinary Information Sciences
Online ISSN : 1347-6157
Print ISSN : 1340-9050
ISSN-L : 1340-9050
Volume 6, Issue 1
Displaying 1-8 of 8 articles from this issue
  • Osamu KOKUBUN, Kenji KATO, Mitsutomo NAKAMURA, Takahiro OHARA, Katsuto ...
    2000 Volume 6 Issue 1 Pages 1-11
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    Two experiments were conducted to investigate the availability of training for solving a problem spontaneously by analogy where necessary and what kinds of requirements should be fulfilled in order to realize such training. In Experiment 1, the repetition of analogical transfer and the tasks for abstraction were examined and the significant effect of repetition were found. Experiment 2, revising the experimental design and developing some new tasks for enhancing training, was carried out to reexamine the repetition method, focusing on the effect of mapping processing and the solving problem alone. The results showed the repetition training with noticing the structural correspondence between the source and the target have some effects. These findings are discussed in terms of the recent studies of analogical transfer.
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  • Eiko SOGO, Yuichi WADA, Takayoshi KATO
    2000 Volume 6 Issue 1 Pages 13-21
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    We usually express the spatial location of one object in reference to the other object. The former object is called a located object, which a speaker intends to describe the spatial position. The latter is called a reference object, which is employed to describe the located object. Previous findings showed that the inherent direction of reference objects would exert some influences on the selection of frame of reference. However, those effects of located objects have been ignored. In this study, we conducted two experiments to examine the effects of the inherent direction of located objects by manipulating the inherent directions of located objects as well as those of reference objects. The results indicated that the located objects as well as reference ones affect the selection of frame of reference. From the results, it is possible to say that the selection of a reference system would be made to reduce the ambiguity of interpretations.
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  • Hajime FUKUCHI
    2000 Volume 6 Issue 1 Pages 23-39
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    Analyses are offered for two types of restrictive relative constructions in which the semantic function of the relativizer cannot be satisfactorily localized to a single nominal expression that heads a complex noun phrase. From a discourse-functional observation that such irregular relative constructions convey certain semantic relations which are to be best materialized syntactically in clause juxtaposition, two raising processes are proposed which derivationally relate the relativizer to an intended semantic antecedent. It is argued that these processes provide a conceptual basis for a structure-building strategy that can be utilized in realizing semantic relations in syntactic structure.
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  • Sorin DRAGOMIR, Hajime URAKAWA
    2000 Volume 6 Issue 1 Pages 41-52
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    We build a canonical family {Ds } of Hermitian connections in a Hermitian CR-holomorphic vector bundle (E,h ) over a nondegenerate CR manifold M, parametrized by S ∈ Γ ∞(End (E )), S skewsymmetric. Consequently, we prove an existence and uniqueness result for the solution to the inhomogeneous Yang-Mills equation dD*R D =f on M. As an application we solve for D ∈D (E,h ) when E is either the trivial line bundle, or a locally trivial CR-holomorphic vector bundle over a nondegenerate real hypersurface in a complex manifold, or a canonical bundle over a pseudo-Einstein CR manifold.
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  • Yoshiharu TANIGUCHI
    2000 Volume 6 Issue 1 Pages 53-56
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
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  • Yoshihiko FUKUI, Tsuyoshi HORIGUCHI
    2000 Volume 6 Issue 1 Pages 57-66
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    We investigate ground state properties of a one-dimensional quantum chiral XY -model in a magnetic field. Numerical calculations are carried out by using a method of density matrix renormalization group. We also analyze behaviors of perturbation series for the ground state energy. For a special case that the natural cantedness is π⁄2, a value of the critical magnetic field for saturation of magnetization is shown to be given exactly in terms of the smallest zero of the Bessel function J0(x ). We obtain the ground state phase diagram.
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  • Tohru MORITA
    2000 Volume 6 Issue 1 Pages 67-74
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    Examination of convergence is given of a numerical procedure for calculating the elliptic integrals of the first and second kinds with complex modulus and their analytic continuations.
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  • Takafumi AOKI, Tatsuo HIGUCHI
    2000 Volume 6 Issue 1 Pages 75-98
    Published: 2000
    Released on J-STAGE: June 11, 2003
    JOURNAL FREE ACCESS
    Beyond-binary arithmetic algorithms are defined as a new class of computer arithmetic algorithms which employ non-binary data representations to achieve higher performances beyond those of conventional binary algorithms. This paper presents prominent examples of beyond-binary arithmetic algorithms: examples include (i) a high-radix redundant division algorithm without using lookup tables, (ii) a high-radix redundant CORDIC algorithm for fast vector rotation, and (iii) redundant complex arithmetic algorithms for fast real/complex-mixed computations.
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