Publications (26)
Identifying mergers using non-parametric morphological classification at high redshifts
Robert Thompson, Romeel Davé, Shuiyao Huang +1
We investigate the time evolution of non-parametric morphological quantities and their relationship to major mergers between in high-resolution cosmological zoom s…
Iterative Respacing of Polygonal Curves
Marcella Manivel, Milena Silva, Robert Thompson
A is a collection of connected line segments specified as the linear interpolation of a list of points . These curves may…
Baseline Metal Enrichment from Population III Star Formation in Cosmological Volume Simulations
Jason Jaacks, Robert Thompson, Steven L. Finkelstein +1
We utilize the hydrodynamic and N-body code {\small GIZMO} coupled with our newly developed sub-grid Population~III (Pop~III) Legacy model, designed specifically for cosmological v…
The Formation of Submillimetre-Bright Galaxies from Gas Infall over a Billion Years
Desika Narayanan, Matthew Turk, Robert Feldmann +7
Submillimetre-luminous galaxies at high-redshift are the most luminous, heavily star-forming galaxies in the Universe, and are characterised by prodigious emission in the far-infra…
An Information Centric Framework for Weather Sensing Data
Robert Thompson, Eric Lyons, Ishita Dasgupta +3
Weather sensing and forecasting has become increasingly accurate in the last decade thanks to high-resolution radars, efficient computational algorithms, and high-performance compu…
The AGORA High-Resolution Galaxy Simulations Comparison Project
Ji-hoon Kim, Tom Abel, Oscar Agertz +43
We introduce the AGORA project, a comprehensive numerical study of well-resolved galaxies within the LCDM cosmology. Cosmological hydrodynamic simulations with force resolutions of…
Tracing Inflows and Outflows with Absorption Lines in Circumgalactic Gas
Amanda Brady Ford, Romeel Davé, Benjamin D. Oppenheimer +4
We examine how HI and metal absorption lines within low-redshift galaxy halos trace the dynamical state of circumgalactic gas, using cosmological hydrodynamic simulations that incl…
Impact of H_2-based star formation model on the z>=6 luminosity function and the ionizing photon budget for reionization
Jason Jaacks, Robert Thompson, Kentaro Nagamine
We present the results of a numerical study examining the effect of H_2-based star formation (SF) model on the rest-frame UV luminosity function and star formation rate function (S…
Simulator of Galaxy Millimeter/Submillimeter Emission (SIGAME): The [CII]-SFR Relationship of Massive z=2 Main Sequence Galaxies
Karen P. Olsen, Thomas R. Greve, Desika Narayanan +3
We present SÃGAME simulations of the [CII]157.7 fine structure line emission from cosmological smoothed particle hydrodynamics (SPH) simulations of seven main sequence galaxie…
The Robustness of Cosmological Hydrodynamic Simulation Predictions to Changes in Numerics and Cooling Physics
Shuiyao Huang, Neal Katz, Romeel Davé +8
We test and improve the numerical schemes in our smoothed particle hydrodynamics (SPH) code for cosmological simulations, including the pressure-entropy formulation (PESPH), a time…
Pairwise Velocities of Dark Matter Halos: a Test for the Lambda Cold Dark Matter Model using the Bullet Cluster
Robert Thompson, Kentaro Nagamine
The existence of 1E0657-56 poses a challenge to the concordance Lambda cold dark matter model. Here we investigate the velocity distribution of dark matter halo pairs in large N-bo…
The rise and fall of a challenger: the Bullet Cluster in Cold Dark Matter simulations
Robert Thompson, Romeel Davé, Kentaro Nagamine
The Bullet Cluster has provided some of the best evidence for the cold dark matter () model via direct empirical proof of the existence of collisionless dark matte…
The AGORA High-Resolution Galaxy Simulations Comparison Project. II: Isolated Disk Test
Ji-hoon Kim, Oscar Agertz, Romain Teyssier +40
Using an isolated Milky Way-mass galaxy simulation, we compare results from 9 state-of-the-art gravito-hydrodynamics codes widely used in the numerical community. We utilize the in…
Identifying Mergers Using Quantitative Morphologies in Zoom Simulations of High-Redshift Galaxies
Matthew W. Abruzzo, Desika Narayanan, Romeel Davé +1
Non-parametric morphology measures are a powerful tool for identifying galaxy mergers at low redshifts. We employ cosmological zoom simulations using Gizmo with the Mufasa feedback…
Deepest limits on scattered light emission from the Epsilon Eridani inner debris disk with HST/STIS
Sai Krishanth P. M., Ewan S. Douglas, Ramya M. Anche +9
Epsilon Eridani ( Eri) is one of the first debris disk systems detected by the Infrared Astronomical Satellite (IRAS). However, the system has thus far eluded detection in scat…
An Unstable Change of Rings for Morava E-Theory
Robert Thompson
The Bousfield-Kan (or unstable Adams) spectral sequence can be constructed for various homology theories such as Brown-Peterson homology theory BP, Johnson-Wilson theory , or…
-Bad Spheres
Martin Bendersky, Robert Thompson
In this paper we look at the -completion of topological spaces where is a -local ring spectrum. After a brief review of the concept of -completion, we specialize to th…
Application of integral invariants to apictorial jigsaw puzzle assembly
Peter Illig, Robert Thompson, Qimeng Yu
We present a method for the automatic assembly of apictorial jigsaw puzzles. This method relies on integral area invariants for shape matching and an optimization process to aggreg…
The IRX-Beta Dust Attenuation Relation in Cosmological Galaxy Formation Simulations
Desika Narayanan, Romeel Dave, Benjamin Johnson +3
We utilise a series of high-resolution cosmological zoom simulations of galaxy formation to investigate the relationship between the ultraviolet (UV) slope, beta, and the ratio of…
Vehicle-to-Vehicle Charging Coordination over Information Centric Networking
Robert Thompson, Muhammad Ismail, Susmit Shannigrahi
Cities around the world are increasingly promoting electric vehicles (EV) to reduce and ultimately eliminate greenhouse gas emissions. For example, the city of San Francisco aims t…
Warm Ice Giant GJ 3470b. II Revised Planetary and Stellar Parameters from Optical to Near-infrared Transit Photometry
Lauren I. Biddle, Kyle A. Pearson, Ian J. M. Crossfield +19
It is important to explore the diversity of characteristics of low-mass, low-density planets to understand the nature and evolution of this class of planets. We present a homogeneo…
Dust properties of Lyman break galaxies in cosmological simulations
Hidenobu Yajima, Kentaro Nagamine, Robert Thompson +1
Recent observations have indicated the existence of dust in high-redshift galaxies, however, the dust properties in them are still unknown. Here we present theoretical constraints…
Powderday: Dust Radiative Transfer for Galaxy Simulations
Desika Narayanan, Matthew J. Turk, Thomas Robitaille +18
We present Powderday, a flexible, fast, open-source dust radiative transfer package designed to interface with galaxy formation simulations. Powderday builds on FSPS population syn…
Molecular hydrogen regulated star formation in cosmological SPH simulations
Robert Thompson, Kentaro Nagamine, Jason Jaacks +1
It has been shown observationally that star formation (SF) correlates tightly with the presence of molecular hydrogen (H). Therefore it would be important to investigate its im…
Optimizing Product Wheel Time in Lean Manufacturing Systems
Wasin Meesena, Robert Thompson
Lean manufacturing is a production method focused on reducing production times, eliminating waste, and synchronizing production with fluctuating demand. A standard lean manufacturi…
Steep Faint-end Slopes of Galaxy Mass and Luminosity Functions at z>=6 and the Implications for Reionisation
Jason Jaacks, Jun-Hwan Choi, Kentaro Nagamine +2
We present the results of a numerical study comparing photometric and physical properties of simulated z=6-9 galaxies to the observations taken by the WFC3 instrument aboard the Hu…