975 citations
- The University of TokyoJP103 papers
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- The University of OsakaJP24 papers
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- RIKENJP21 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT18 papers
- National Astronomical Observatory of JapanJP18 papers
- Tokyo University of ScienceJP16 papers
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Showing 2018Show all
3 papers · 1 filter
astro-ph.GA2018★ 45 cited
Indication of Another Intermediate-mass Black Hole in the Galactic Center
Shunya Takekawa, Tomoharu Oka, Yuhei Iwata +2
We report the discovery of molecular gas streams orbiting around an invisible massive object in the central region of our Galaxy, based on the high-resolution molecular line observ…
math.OA2018★ 3 cited
Quotients of étale groupoids and the abelianizations of groupoid C*-algebras
Fuyuta Komura
In this paper, we introduce quotients of étale groupoids. Using the notion of quotients, we describe the abelianizations of groupoid C*-algebras. As another application, we obtain…
math.OC2018
Bezier Simplex Fitting: Describing Pareto Fronts of Simplicial Problems with Small Samples in Multi-objective Optimization
Ken Kobayashi, Naoki Hamada, Akiyoshi Sannai +3
Multi-objective optimization problems require simultaneously optimizing two or more objective functions. Many studies have reported that the solution set of an M-objective optimiza…