The authors discuss their idea of an intelligent network management system. In order to simulate intelligence, the reasoning and judgement of the human manager are modeled into a knowledge base. The human managers' view of the network is limited to the Management Information Base (MIB); thus, the MIB provides the starting point for the design of the knowledge base. The network managers' knowledge regarding the objects in the MIB is represented in the Management Information Knowledge Base (MIKB). The authors trace the way this modeling is done.< >
We propose a nonperturbative method to calculate the butterfly diagram of energy spectra for materials immersed in a magnetic field. We apply the proposed method to a crystalline silicon immersed in a magnetic field. It is shown that the conventional Hofstadter butterfly diagram is of low accuracy not only in the high magnetic field region of the diagram but also even in the experimentally available magnetic field region. This means that the present butterfly diagram is regarded as a replacement for the Hofstadter butterfly diagram. We also show that the correction to the Hofstadter buttery diagram would be observed under the ultrahigh magnetic field that is available in experiments.
We propose the approximate kinetic energy (KE) functional of the pair density (PD) functional theory on the basis of the coupling-constant expression that is recently derived [Phys. Rev. A 85 (2012) 062508]. The proposed KE functional, which is called the “correlated Gaussian model”, consists of the modified version of the Thomas-Fermi (TF) model and correlation energy functional of the local density approximation. We check the validity of the correlated Gaussian model by means of numerical calculations for the Ne atom. It is shown that the correlated Gaussian model gives better results of not only the KE, Hartree energy, exchange-correlation (xc) energy, potential energy but also the xc-hole than the previously proposed correlated TF model [J. Phys.: Conference Series. 454 (2013) 012056].
We present a relativistic tight-binding (TB) approximation method that is applicable to actual crystalline materials immersed in a uniform magnetic field. The magnetic Bloch theorem is used to make the dimensions of the Hamiltonian matrix finite. In addition, by means of the perturbation theory, the magnetic hopping integral that appears in the Hamiltonian matrix is reasonably approximated as the relativistic hopping integral multiplied by the magnetic-field-dependent phase factor. In order to calculate the relativistic hopping integral, the relativistic version of the so-called Slater-Koster table is also given in an explicit form. We apply the present method to crystalline silicon immersed in a uniform magnetic field, and reveal its energy-band structure that is defined in the magnetic first Brillouin zone. It is found that the widths of energy-bands increase with increasing the magnetic field, which indicates the magnetic-field dependence of the appropriateness of the effective mass approximation. The recursive energy spectrum, which is the so-called butterfly diagram, can also be seen in the $\mathbit{k}$-space plane perpendicular to the magnetic field.
We describe a 54‐year‐old man who presented with right subcostal pain. Minocycline had been prescribed to treat pruritus, and the symptoms resolved. Subsequently, the patient consulted a local physician because of right subcostal pain. Giant folds were found in the greater curvature of the gastric body, and he was referred to the Department of Gastroenterology, Kitasato University East Hospital. Upper gastrointestinal endoscopy revealed markedly enlarged folds in the greater curvature of the stomach, with redness and edematous mucosa in the lesser curvature. Biopsy showed marked inflammatory cell infiltration (mainly eosinophils), but no atypical cells. Blood tests showed marked eosinophilia and elevated immunoglobulin E levels in the serum. The results of various allergic examinations were negative, but the clinical course suggested drug‐induced eosinophilic gastroenteritis, and treatment was started. Minocycline was withdrawn without adequate resolution of symptoms. Because the leukocyte and eosinophil counts continued to increase, the patient was given suplatast, an anti‐allergic agent. The symptoms and hematological values improved promptly. The patient recovered uneventfully, with no recurrence.
