Computational astrophysics · Research library
Specialist English briefings on all 28 published journal articles listed in the recent and selected publications sections of Masao Mori’s achievements pages, spanning 1997–2026, plus 3 conference contributions.
Explore how numerical simulations, analytical models and observations connect dark matter halo structure, dwarf-galaxy formation, Andromeda (M31) tidal streams, galactic winds, black hole fuelling and the early enrichment of galaxies.
2026 · Dark matter haloes
Analytical phase-space modelling and orbital integrations in cosmological N-body haloes quantify encounters between dark matter subhaloes inside Milky Way-like galaxies.
Read the research briefing2026 · Dark matter haloes
An analytical model with supernova-driven mass loss links SPARC galaxy constraints to the energy budget for transforming central dark matter density profiles.
Read the research briefing2026 · Dark matter haloes
Bayesian rotation-curve fits to SPARC galaxies probe the diversity of halo inner slopes and place them alongside dwarf satellites, groups and clusters.
Read the research briefing2025 · Andromeda streams
Minor-merger simulations investigate a common origin for the Andromeda Giant Southern Stream, Eastern Extent, North-Eastern Shelf and Western Shelf.
Read the research briefing2025 · Andromeda streams
Subaru/HSC narrowband photometry separates M31 halo giants from foreground stars and maps stellar debris.
Read the research briefing2024 · Dark matter haloes
Cosmological merger trees trace how subhaloes first gain mass and subsequently lose it inside larger hosts.
Read the research briefing2024 · Dark matter haloes
An analytical framework links halo concentrations to surface density, maximum circular velocity and scale radius.
Read the research briefing2024 · Numerical methods
Godunov Density-Independent Smoothed Particle Hydrodynamics (GDISPH) combines a Riemann solver with a density-independent formulation.
Read the research briefing2023 · Dark matter haloes
Analytical encounter estimates and collision simulations explore distinct dwarf-galaxy formation outcomes.
Read the research briefing2023 · Galactic winds
A steady wind model connects stellar feedback, galactic gravity and observed outflow velocities.
Read the research briefing2021 · Black hole fuelling
Analytical modelling and three-dimensional hydrodynamics show how a central encounter can remove a black hole’s surrounding gas reservoir.
Read the research briefing2020 · Early galaxies and enrichment
Cosmological modelling follows the metal contribution of the first stars into the later intergalactic medium.
Read the research briefing2018 · Andromeda streams
Wide-field HSC imaging traces red-clump and red-giant stars in the north-western M31 halo.
Read the research briefing2018 · Early galaxies and enrichment
The SILVERRUSH survey measures clustering for roughly two thousand Lyman-alpha emitters near redshifts six and seven.
Read the research briefing2017 · Andromeda streams
Globular-cluster positions and radial velocities help narrow possible orbits for a disrupted M31 satellite.
Read the research briefing2017 · Andromeda streams
N-body models test whether a rotating disc dwarf can generate the stream’s asymmetric surface-brightness profile.
Read the research briefing2017 · Early galaxies and enrichment
ALMA spectroscopy probes the interstellar medium of galaxies embedded in SSA22-LAB1 at redshift 3.1.
Read the research briefing2017 · Dark matter haloes
Cosmological simulations test a halo surface-density measure defined at the radius of maximum circular velocity.
Read the research briefing2017 · Galactic winds
A polytropic wind framework explores how gravity and the gas equation of state shape galactic outflows.
Read the research briefing2014 · Dark matter haloes
An analytical transformation model connects two reported regularities of low-mass dark matter haloes.
Read the research briefing2014 · Dark matter haloes
Recurrent gas expansion and contraction provide a mechanism for changing a dark halo’s central structure.
Read the research briefing2008 · Andromeda streams
A live N-body model follows both tidal debris and the response of Andromeda to an accreted satellite.
Read the research briefing2006 · Early galaxies and enrichment
High-resolution modelling follows gas cooling, supernova feedback and stellar evolution from early assembly to a relaxed galaxy.
Read the research briefing2004 · Early galaxies and enrichment
High-resolution hydrodynamics examines a forming galaxy as a possible supernova-powered Lyman-alpha nebula.
Read the research briefing2002 · Early galaxies and enrichment
Three-dimensional nested-grid simulations follow multiple supernova bubbles in small haloes at redshift nine.
Read the research briefing2000 · Environmental gas stripping
Analytical estimates and hydrodynamic simulations test ram-pressure removal of extended dwarf-galaxy gas.
Read the research briefing1999 · Early galaxies and enrichment
Chemodynamical simulations connect cooling and supernova-driven gas loss with stellar structure in elliptical galaxies.
Read the research briefing1997 · Early galaxies and enrichment
A coupled dynamical and chemical simulation tests outward-propagating star formation in a young dwarf.
Read the research briefingIAU symposium contributions and an LNCS conference chapter are listed separately from journal research articles.
2025 · Andromeda streams
N-body/SPH simulations connect a satellite encounter with both halo debris and a gaseous ring in M31.
Read the research briefing2025 · Dark matter haloes
A high-resolution cosmological simulation probes the concentration–mass relation for subhaloes around Milky Way-sized hosts.
Read the research briefing2022 · Numerical methods
This conference chapter examines gas thermodynamics in collisions using an Exact Integration scheme for cooling.
Read the research briefingThis collection covers the published research listed on the Japanese and English achievements pages. Duplicate listings share one briefing. Manuscripts marked as submitted are excluded. Summaries are based on the linked primary papers or their abstracts; they distinguish results from predictions and note modelling limitations.