From the 1 of 275 papers with an AI index.
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- The University of TokyoJP108 papers
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7 papers · 1 filter
Crystalline Silicate Feature of the Vega-like star HD145263
Mitsuhiko Honda, Hirokazu Kataza, Yoshiko K. Okamoto +8
We have observed the 8-13 m spectrum (R250) of the Vega-like star candidate HD145263 using Subaru/COMICS. The spectrum of HD145263 shows the broad trapezoidal silicate fea…
Minimal String Theory is Logarithmic
Yukitaka Ishimoto, Shun-ichi Yamaguchi
We study the simplest examples of minimal string theory whose worldsheet description is the unitary (p,q) minimal model coupled to two-dimensional gravity (Liouville field theory).…
Synchronised Similar Triangles for Three-Body Orbit with Zero Angular Momentum
Toshiaki Fujiwara, Hiroshi Fukuda, Atsushi Kameyama +2
Geometrical properties of three-body orbits with zero angular momentum are investigated. If the moment of inertia is also constant along the orbit, the triangle whose vertexes are…
Detection of Sub-TeV Gamma-Rays from the Galactic Center Direction by CANGAROO-II
K. Tsuchiya, R. Enomoto, L. T. Ksenofontov +3
We have detected sub-TeV gamma-ray emission from the direction of the Galactic Center (GC) using the CANGAROO-II Imaging Atmospheric Cherenkov Telescope (IACT). We detected a stati…
Hyper-elliptic Nambu flow associated with integrable maps
Satoru Saito, Nokiko Saitoh, Katsuhiko Yoshida
We study hyper-elliptic Nambu flows associated with some dimensional maps and show that discrete integrable systems can be reproduced as flows of this class.
Nambu-Hamiltonian flows associated with discrete maps
Satoru Saito, Akira Shudo, Jun-ichi Yamamoto +1
For a differentiable map that has an inverse, we show that there exists a Nambu-Hamiltonian flow in which one of the initial value, say $…