On the sets of maximum points for generalized Takagi functions

Let φ be a continuous and periodic function on ℝ with period 1 and φ(0)=0. We consider the generalized Takagi function ƒφ defined by ƒφ(x)=Σ[n=0,∞]1/2ⁿφ(2ⁿx) and the set Mᵩ of maximum points of ƒᵩ in the interval [0,1]. When φ₀(x) is the function defined by the distance from x to the nearest integer, ƒᵩ₀ is just the Takagi function. Our aim is to seek a condition on φ in order that Mᵩ⊂Mᵩ₀

The development of a hazard map for disaster prevention using augmented reality

This study, based on the identified shortcomings of previous hazard maps, proposes a new map whose effectiveness is demonstrated through practical experiments. One aim in particular is to provide clear visual information that residents can grasp; that information is visualized using a technical method called “augmented reality” (AR). AR is a form of virtual reality. After AR technology was used to improve certain aspects of the map, an original technique that integrated real scenery with an imagined disaster was proposed. Exposing residents to images of damage and disaster is appropriate, and indeed essential, as it makes it possible for them to realistically imagine what damage and disaster could potentially look like. Furthermore, overlaying damaged scenery onto familiar scenery creates a greater sense of reality for the residents.Eje 1: Dilemas del desarrollo socio-territorial y la planificación urbano-regional frente a los retos de la sustentabilidad.Facultad de Arquitectura y Urbanism

The development of a hazard map for disaster prevention using augmented reality

This study, based on the identified shortcomings of previous hazard maps, proposes a new map whose effectiveness is demonstrated through practical experiments. One aim in particular is to provide clear visual information that residents can grasp; that information is visualized using a technical method called “augmented reality” (AR). AR is a form of virtual reality. After AR technology was used to improve certain aspects of the map, an original technique that integrated real scenery with an imagined disaster was proposed. Exposing residents to images of damage and disaster is appropriate, and indeed essential, as it makes it possible for them to realistically imagine what damage and disaster could potentially look like. Furthermore, overlaying damaged scenery onto familiar scenery creates a greater sense of reality for the residents.Eje 1: Dilemas del desarrollo socio-territorial y la planificación urbano-regional frente a los retos de la sustentabilidad.Facultad de Arquitectura y Urbanism

確率点過程のノンパラメトリック統計的推論とその信頼性問題への応用に関する研究

広島大学(Hiroshima University)博士(工学)Doctor of Engineeringdoctora

Fluctuation Theorem in a Quantum-Dot Aharonov-Bohm Interferometer

In the present study, we investigate the full counting statistics in a two-terminal Aharonov-Bohm interferometer embedded with an interacting quantum dot. We introduce a novel saddle-point solution for a cumulant-generating function, which satisfies the fluctuation theorem and accounts for the interaction in the mean-field level approximation. Nonlinear transport coefficients satisfy universal relations imposed by microscopic reversibility, though the scattering matrix itself is not reversible. The skewness can be finite even in equilibrium, owing to the interaction and is proportional to the asymmetric component of nonlinear conductance.Comment: 5 pages, 2 figure

Effect of propranolol on regional myocardial function in anesthetized open-chest dogs with myocardial ischemia

Effects of propranolol on ischemic segmental function were studied in anesthetized open-chest dogs. Two segment-length gauges were used for measuring the regional myocardial function: one was sutured on to the left ventricular surface perfused by the anterior descending coronary artery (ischemic zone) and the other was on to that perfused by the circumflex coronary artery (normal zone). A bolus of propranolol (0.5 mg/kg) was injected into the right femoral vein. Five min later, the left anterior descending coronary artery (LAD) was completely occluded for one mine and thereafter released. Then a second coronary occlusion for 20 min was performed; an interval of 20 min was allowed between two occlusions. Propranolol, in the ischemic segment, apparently decreased the extent of paradoxical lengthening in the late systole following one min LAD occlusion, and facilitated improvement of segmental function after release of the occlusion. Moreover, the extent of abnormal stretching induced by 20 min occlusion during early systole, was also reduced by propranolol pretreatment. In contrast, compensatory increase in shortening by the normal segment was disturbed by propranolol. These results suggest that propranolol might exert a favourable influence on the segmental myocardial function during either transient or maintained myocardial ischemia.</p

Semiquantitative Analysis by Scanning Electron Microscopy of Cochlear Hair Cell Damage by Ototoxic Drugs

The ototoxicity of cisplatin and carboplatin in the organ of Corti of the guinea pig was evaluated semiquantitatively. Damage of the stereocilia of outer hair cells (OHCs) observed by scanning electron microscopy (SEM) was classified into normal, grade 1 (10-50% loss of stereocilia), grade 2 (less than 50% remaining stereocilia), or grade 3 (missing stereocilia). The OHCs observed by light microscopy (LM) were classified as remaining or missing cells. Fifty OHCs of each row in the middle part of each turn of the cochlea were counted (a total of 150 cells per turn). Guinea pigs were administered 5 mg/kg of cisplatin or 50 mg/kg of carboplatin intraperitoneally for three consecutive days. In groups 1 and 2, in which both cochleae were fixed in 2.5% glutaraldehyde and 1% osmium tetroxide (OsO4) and observed by SEM, the percentages of damage of the OHC stereocilia were similar in each cochlear turn bilaterally. In group 3, the right cochleae were fixed in OsO4 and observed by phase contrast microscopy as surface preparations. Left cochleae were submitted for SEM observation. Missing and grade 3 cells were observed at similar percentages in each row of each turn. In group 4, succinate dehydrogenase staining was performed in the right cochleae and observed by LM. The degree of damage in the right cochleae was compared with that of the left cochleae which was observed by SEM. On average, the mean numbers of missing cells and cells showing grade 3 damage were similar in each row of each turn. From these similarities of evaluation of ototoxicity at LM and SEM levels, it was concluded that semiquantitative analysis by SEM only is appropriate for the assessment of ototoxicity

Clustering Properties of Low-Luminosity Star-Forming galaxies at z = 0.24 and 0.40 in the Subaru Deep Field

We present our analysis on the clustering properties of star-forming galaxies selected by narrow-band excesses in the Subaru Deep Field. Specifically we focus on Halpha emitting galaxies at z = 0.24 and z = 0.40 in the same field, to investigate possible evolutionary signatures of clustering properties of star-forming galaxies. Based on the analysis on 228 Halpha emitting galaxies with 39.8 < log L(Halpha) < 40.8 at z = 0.40, we find that their two-point correlation function is estimated as xi = (r/1.62^{+0.64}_{-0.50} Mpc)^{-1.84 +/- 0.08}. This is similar to that of Halpha emitting galaxies in the same Halpha luminosity range at z = 0.24, xi = (r/1.88^{+0.60}_{-0.49} Mpc)^{-1.89 +/- 0.07}. These correlation lengths are smaller than those for the brighter galaxy sample studied by Meneux et al. (2006) in the same redshift range. The evolution of correlation length between z = 0.24 and z = 0.40 is interpreted by the gravitational growth of the dark matter halos.Comment: 16 pages, 7 figures, PASJ, Vol.60, No.6, in pres