902 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP376 papers
- RIKENJP189 papers
- Kyoto UniversityJP168 papers
- Institute of Space and Astronautical ScienceJP140 papers
- Japan Aerospace Exploration AgencyJP132 papers
- Tokyo Institute of TechnologyJP129 papers
- Nagoya UniversityJP127 papers
- Hiroshima UniversityJP117 papers
- Tokyo University of ScienceJP105 papers
- The University of OsakaJP100 papers
- Goddard Space Flight CenterUS96 papers
- Tohoku UniversityJP96 papers
66 papers · 1 filter
Parallelized Code Generation from Simulink Models for Event-driven and Timer-driven ROS 2 Nodes
Kenshin Obi, Ryo Yoshinaka, Hiroshi Fujimoto +1
In recent years, the complexity and scale of embedded systems, especially in the rapidly developing field of autonomous driving systems, have increased significantly. This has led…
Model-based Development for Autonomous Driving Software Considering Parallelization
Kenshin Obi, Takumi Onozawa, Hiroshi Fujimoto +1
In recent years, autonomous vehicles have attracted attention as one of the solutions to various social problems. However, autonomous driving software requires real-time performanc…
XRISM view of a stellar flare: High-resolution Fe K spectra of HR 1099, an RS CVn-type star
Miki Kurihara, Masahiro Tsujimoto, Michael Loewenstein +21
A high-resolution X-ray spectroscopic observation was made of the RS CVn-type binary star HR 1099 using the Resolve instrument onboard XRISM for its calibration purposes. During th…
Chemical composition and enrichment of the Centaurus cluster core seen by XRISM/Resolve
F. Mernier, K. Fukushima, A. Simionescu +16
Hot, X-ray emitting atmospheres pervading galaxy clusters are rich in metals, which have been synthesised and released by asymptotic giant branch (AGB) stars, core-collapse superno…
An Extended Mixed Quantum/Classical Approach for Quantitative Calculation of Complex Refractive Index
Ian F. Mochida, Tetsuyuki Takayama, Shoichi Yamaguchi +1
The mixed quantum/classical approach of Skinner and co-workers has been widely used to calculate the line shapes of the infrared spectra of water (H2O), but less attention has been…
Chlorine and Potassium Enrichment in the Cassiopeia A Supernova Remnant
XRISM collaboration
The elements in the universe are synthesized primarily in stars and supernovae, where nuclear fusion favors the production of even-Z elements. In contrast, odd-Z elements are less…
AUTOSAR AP and ROS 2 Collaboration Framework
Ryudai Iwakami, Bo Peng, Hiroyuki Hanyu +2
The field of autonomous vehicle research is advancing rapidly, necessitating platforms that meet real-time performance, safety, and security requirements for practical deployment.…
3D Point Cloud Object Detection on Edge Devices for Split Computing
Taisuke Noguchi, Takuya Azumi
The field of autonomous driving technology is rapidly advancing, with deep learning being a key component. Particularly in the field of sensing, 3D point cloud data collected by Li…
Neural network initialization with nonlinear characteristics and information on hierarchical features
Hikaru Homma, Jun Ohkubo
Initialization of neural network parameters, such as weights and biases, has a crucial impact on learning performance; if chosen well, we can even avoid the need for additional tra…
TECS/Rust: Memory-safe Component Framework for Embedded Systems
Nao Yoshimura, Hiroshi Oyama, Takuya Azumi
As embedded systems grow in complexity and scale due to increased functional diversity, component-based development (CBD) emerges as a solution to streamline their architecture and…
TECS/Rust-OE: Optimizing Exclusive Control in Rust-based Component Systems for Embedded Devices
Nao Yoshimura, Hiroshi Oyama, Takuya Azumi
The diversification of functionalities and the development of the IoT are making embedded systems larger and more complex in structure. Ensuring system reliability, especially in t…
Partitioned Scheduling for DAG Tasks Considering Probabilistic Execution Time
Fuma Omori, Atsushi Yano, Takuya Azumi
Autonomous driving systems, critical for safety, require real-time guarantees and can be modeled as DAGs. Their acceleration features, such as caches and pipelining, often result i…
First Proton-Induced Cross Sections on a Stored Rare Ion Beam: Measurement of 118Te(p,γ) for Explosive Nucleosynthesis
F. Dellmann, J. Glorius, Yu. A. Litvinov +75
We present the first nuclear cross-section measurements of (p,γ) and (p,n) reactions on 118Te at energies relevant for the γ-process nucleosynthesis. Absolute cross-section values…
VHE -ray observations of bright BL Lacs with the Large-Sized Telescope prototype (LST-1) of the CTAO
The CTAO-LST Project, :, K. Abe +331
Cherenkov Telescope Array Observatory (CTAO) is the next-generation ground-based gamma-ray observatory operating in the energy range from 20 GeV up to 300 TeV, with two sites in La…
Stratified wind from a super-Eddington X-ray binary is slower than expected
XRISM collaboration, Marc Audard, Hisamitsu Awaki +132
Accretion discs in strong gravity ubiquitously produce winds, seen as blueshifted absorption lines in the X-ray band of both stellar mass X-ray binaries (black holes and neutron st…
Incomplete Reputation Information and Punishment in Indirect Reciprocity
Heejeong Kim, Yohsuke Murase
Indirect reciprocity promotes cooperation by allowing individuals to help others based on reputation rather than direct reciprocation. Because it relies on accurate reputation info…
Delving into the depths of NGC 3783 with XRISM II. Cross-calibration of X-ray instruments used in the large, multi-mission observational campaign
XRISM collaboration
Accurate X-ray spectroscopic measurements are fundamental for deriving basic physical parameters of the most abundant baryon components in the Universe. The plethora of X-ray obser…
Far-infrared probing with PRIMA into particle acceleration associated with relativistic jets from active galactic nuclei
Naoki Isobe, Takao Nakagawa, Motoki Kino +3
It is presented that the Probe far-Infrared Mission for Astrophysics (PRIMA) has a high potential to study particle acceleration phenomena associated with jets emanating from activ…
The Courant-Hilbert construction in 4D Chern-Simons theory
Osamu Fukushima, Takaki Matsumoto, Kentaroh Yoshida
We consider the Courant-Hilbert (CH) construction of integrable deformations of a two-dimensional principal chiral model (2D PCM) in the context of the four-dimensional Chern-Simon…
A causality-based divide-and-conquer algorithm for nonequilibrium Green's function calculations with quantics tensor trains
Ken Inayoshi, Maksymilian Środa, Anna Kauch +2
We propose a causality-based divide-and-conquer algorithm for nonequilibrium Green's function calculations with quantics tensor trains. This algorithm enables stable and efficient…
A simple, flexible method for timing cross-calibration of space missions
Matteo Bachetti, Yukikatsu Terada, Megumi Shidatsu +25
The timing (cross-)calibration of astronomical instruments is often done by comparing pulsar times-of-arrival (TOAs) to a reference timing model. In high-energy astronomy, the choi…
Quantum spatial best-arm identification via quantum walks
Tomoki Yamagami, Etsuo Segawa, Takatomo Mihana +3
Quantum reinforcement learning has emerged as a framework combining quantum computation with sequential decision-making, and applications to the multi-armed bandit (MAB) problem ha…
Constraining the TeV gamma-ray emission of SN 2024bch, a possible type IIn-L from a red supergiant progenitor. Multiwavelength observations and analysis of the progenitor
The CTAO-LST Project, :, K. Abe +332
We present very high-energy optical photometry and spectroscopic observations of SN 2024bch in the nearby galaxy NGC 3206 (\sim 20 Mpc). We used gamma-ray observations performed wi…
XRISM Observations of Cassiopeia A: Overview, Atomic Data, and Spectral Models
Paul Plucinsky, Manan Agarwal, Liyi Gu +15
Cassiopeia A (Cas A) is the youngest known core-collapse supernova remnant (SNR) in the Galaxy and is perhaps the best-studied SNR in X-rays. Cas A has a line-rich spectrum dominat…