4,597 research outputs found

    Akari Mizumoto, Piano

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    Sonata in D Major, K. 96; Sonata in A Major, K. 113; Piano Sonata in C minor, D. 958 / Domenico Scarlatti; Kreisleriana Op. 16 / Robert Schumann; Triana from Suite Iberia / Isaac Albéni

    On Conformal Mapping onto Circular-Radial Slit CoveringSurfaces of Annular and Circular Types

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    In paper 7) we concerned ourselves with the conformal mapping onto circular-radial slit covering surfaces over the whole plane and its extremal property. In the present paper we shall concern ourselves with the conformal mapping onto circular-radial slit covering surfaces of annular and circular types and their extremal properties (Theorems 1.1 and 2.1). Especially the extremal property with respect to the radial slits is new. The results are stated only for the case of the planar domain of finite connectivity. The method suggests the possibility of an extension to the case of a domain of infinite connectivity or an open Riemann surface of finite genus. We shall concern ourselves with this problem in the subsequent paper

    Early Science Result from the Japanese Virtual Observatory: AGN and Galaxy Clustering at z = 0.3 to 3.0

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    We present the result of projected cross correlation analysis of AGNs and galaxies at redshifts from 0.3 to 3.0. The Japanese Virtual Observatory (JVO) was used to obtain the Subaru Suprime-Cam images and UKIDSS catalog data around AGNs. We investigated 1,809 AGNs, which is about ten times larger a sample than that used in previous studies on AGN-galaxy clustering at redshifts larger than 0.6. 90% of the AGN samples are optically-selected AGN from the SDSS and 2dF catalogs. The galaxy samples at low redshift includes many redder objects from UKIDSS survey, while at higher redshift they are mainly blue galaxies from Suprime-Cam. We found significant excess of galaxies around the AGNs at redshifts from 0.3 to 1.8. For the low redshift samples (z<0.9z<0.9), we obtained correlation length of r0=r_{0} = 5--6 h−1h^{-1}Mpc (γ=1.8\gamma = 1.8), which indicates that the AGNs at this redshift range reside in a similar environment around typical local galaxies. We also found that AGNs at higher redshift ranges reside in a denser environment than lower redshift AGNs; For z=1.3∼1.8z=1.3 \sim 1.8 AGNs, the cross correlation length was measured as 11−3+6^{+6}_{-3} h−1h^{-1}Mpc (γ=1.8\gamma=1.8). Considering that our galaxies sample is based on optical observations with Suprime-Cam at the redshift range, it is expected that blue star-forming galaxies comprise the majority of objects that are observed to be clustered around the AGNs. It is successfully demonstrated that the use of the archive through the Virtual Observatory system can provide a powerful tool for investigating the small scale environment of the intermediate redshift AGNs.Comment: accepted to PASJ, 36 pages, 21 figures, this is an accepted versio
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