Articles by Kojiro Matsumoto

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Temporal Variations in Asteroseismic Frequencies of KIC 6106415: Insights into the Solar-Stellar Activity from GOLF and Kepler Observations

7 March 2025 by Christopher Lombardi and others

Solar and Stellar Astrophysics

Reciprocal Cuntz--Krieger algebras

25 February 2025 by Kengo Matsumoto and Taro Sogabe

Operator Algebras

The mass-dependent UVJ diagram at cosmic noon: A challenge for galaxy evolution models and dust radiative transfer

18 February 2025 by Andrea Gebek and others

Astrophysics of Galaxies

Understanding and Supporting Formal Email Exchange by Answering AI-Generated Questions

7 February 2025 by Yusuke Miura and others

Human-Computer Interaction, Artificial Intelligence

Novel antibodies detect nucleocytoplasmic O-fucose in protist pathogens, cellular slime molds, and plants

6 February 2025 by Mukesh Tiwari and others at

University of Georgia

Cell Biology

The mass-dependent UVJ diagram at cosmic noon: A challenge for galaxy evolution models and dust radiative transfer

21 January 2025 by Andrea Gebek and others

Astrophysics of Galaxies

The mass-dependent UVJ diagram at cosmic noon: A challenge for galaxy evolution models and dust radiative transfer

21 January 2025 by Andrea Gebek and others

Astrophysics of Galaxies

Nigerian Software Engineer or American Data Scientist? GitHub Profile Recruitment Bias in Large Language Models

14 January 2025 by Takashi Nakano and others

Software Engineering

Subband Splitting: Simple, Efficient and Effective Technique for Solving Block Permutation Problem in Determined Blind Source Separation

13 January 2025 by Kazuki Matsumoto and Kohei Yatabe

Sound, Audio and Speech Processing

The Extreme Space Weather Event of 1872 February: Sunspots, Magnetic Disturbance, and Auroral Displays

30 December 2024 by Hisashi Hayakawa and others

Solar and Stellar Astrophysics, Earth and Planetary Astrophysics

Magnetic Nonlinear Response of UPt_3: An augmented Landau approach

3 December 2024 by Trevor Ford and others

Strongly Correlated Electrons

Quality Control of Graphene Field-Effect Transistor Arrays Using Slit-Scanning Raman Microscopy

21 November 2024 by Shota Ushiba and others

Nanoscience, Nanodevices

Radial properties of dust in galaxies: Comparison between observations and isolated galaxy simulations

30 October 2024 by S. A. Van Der Giessen and others

Astrophysics of Galaxies

A wiggling filamentary jet at the origin of the blazar multi-wavelength behaviour

29 October 2024 by C. Raiteri and others

High Energy Astrophysical Phenomena

Radial properties of dust in galaxies: Comparison between observations and isolated galaxy simulations

28 October 2024 by S. A. Van Der Giessen and others

Astrophysics of Galaxies

How Maintainable is Proficient Code? A Case Study of Three PyPI Libraries

10 October 2024 by Indira Febriyanti and others

Software Engineering

Mordell-Tornheim multiple zeta-functions, their integral analogues, and relations among multiple polylogarithms

10 October 2024 by Kohji Matsumoto and others

Number Theory

Systematic Study of the Inner Structure of Molecular Tori in Nearby U/LIRGs using Velocity Decomposition of CO Rovibrational Absorption Lines

9 October 2024 by Shusuke Onishi and others

Astrophysics of Galaxies

Convergence of multiple Dirichlet L-series

25 September 2024 by Kohji Matsumoto and Dilip Sahoo

Number Theory

Total extension groups for unital Kirchberg algebras

24 September 2024 by Kengo Matsumoto and Taro Sogabe at

Joetsu University of Education

Operator Algebras, K-Theory and Homology

On Applying Bandit Algorithm to Fault Localization Techniques

10 September 2024 by Masato Nakao and others

Software Engineering

An Empirical Study of the Impact of Test Strategies on Online Optimization for Ensemble-Learning Defect Prediction

10 September 2024 by Kensei Hamamoto and others

Software Engineering

Electric field-induced nonreciprocal directional dichroism in a time-reversal-odd antiferromagnet

5 September 2024 by Takeshi Hayashida and others at

University of Tokyo

Materials Science, Strongly Correlated Electrons

Unravelling the asphericities in the explosion and multi-faceted circumstellar matter of SN 2023ixf

3 September 2024 by Avinash Singh and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

M-functions and screw functions originating from Goldbach's problem and zeros of the Riemann zeta function

2 September 2024 by Kohji Matsumoto and Masatoshi Suzuki

Number Theory

Oxygen-Powered Sustainable FePO4 Preparation Routines for Sodium Metal Batteries with Li Acetate Recovery

30 August 2024 by Fumiyasu Nozaki and others at

Kyoto University

Energy, Chemical Engineering and Industrial Chemistry

MASTER OT J030227.28+191754.5: an unprecedentedly energetic dwarf nova outburst

25 August 2024 by Yusuke Tampo and others

Solar and Stellar Astrophysics

Theoretical study of spin-fluctuation-mediated superconductivity in two-dimensional Hubbard models with an incipient flat band

20 August 2024 by Tetsuaki Aida and others

Superconductivity, Strongly Correlated Electrons

An increase in aspartate aminotransferase levels can predict worsening disease severity in Japanese patients with COVID-19

20 August 2024 by Kojiro Matsumoto and others

Infectious Diseases

Towards Identifying Code Proficiency through the Analysis of Python Textbooks

5 August 2024 by Ruksit Rojpaisarnkit and others

Software Engineering

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High Energy Astrophysical Phenomena Quantum Physics Astrophysics of Galaxies Mesoscale and Nanoscale Physics Solar and Stellar Astrophysics Neuroscience Pharmacology and Toxicology Materials Science Instrumentation and Methods for Astrophysics Strongly Correlated Electrons Algebraic Geometry Number Theory Representation Theory Genetics Biochemistry