Publications (50)
The SPace-based InterFerometer Feasibility (SPIFF) Project: Enabling Future High-Resolution Astronomy Across the EM Spectrum
Berke Vow Ricketti, Victoria Yankelevich, Chris Benson +19
A plethora of astronomical science cases can only be achieved with high angular resolution observations, and we can expect the number of these to grow as astronomers are constraine…
The key science drivers for the Atacama Large Aperture Submillimeter Telescope (AtLAST)
Mark Booth, Pamela Klaassen, Claudia Cicone +14
Sub-mm and mm wavelengths provide a unique view of the Universe, from the gas and dust that fills and surrounds galaxies to the chromosphere of our own Sun. Current single-dish fac…
Binospec: A Wide-field Imaging Spectrograph for the MMT
Daniel Fabricant, Robert Fata, Harland Epps +14
Binospec is a high throughput, 370 to 1000 nm, imaging spectrograph that addresses two adjacent 8' by 15' fields of view. Binospec was commissioned in late 2017 at the f/5 focus of…
Mapping intra firm trade in the automotive sector: a network approach
Matthew Smith, Yasaman Sarabi
Intra-firm trade describes the trade between affiliated firms and is increasingly important as global production is fragmented. However, statistics and data on global intra-firm tr…
Do you really code? Designing and Evaluating Screening Questions for Online Surveys with Programmers
Anastasia Danilova, Alena Naiakshina, Stefan Horstmann +1
Recruiting professional programmers in sufficient numbers for research studies can be challenging because they often cannot spare the time, or due to their geographical distributio…
A Weighted and Normalized Gould-Fernandez brokerage measure
Zsófia Zádor, Zhen Zhu, Matthew Smith +1
The Gould and Fernandez local brokerage measure defines brokering roles based on the group membership of the nodes from the incoming and outgoing edges. This paper extends on this…
The Causes of the Red Sequence, the Blue Cloud, the Green Valley and the Green Mountain
Stephen Eales, Maarten Baes, Nathan Bourne +23
The galaxies found in optical surveys fall in two distinct regions of a diagram of optical colour versus absolute magnitude: the red sequence and the blue cloud with the green vall…
Analyzing Privacy Breaches in the Aircraft Communications Addressing and Reporting System (ACARS)
Matthew Smith, Daniel Moser, Martin Strohmeier +2
The manner in which Aircraft Communications, Addressing and Reporting System (ACARS) is being used has significantly changed over time. Whilst originally used by commercial airline…
Herschel-ATLAS/GAMA: What determines the far-infrared properties of radio-galaxies?
Jasmeer Virdee, Martin Hardcastle, Steven Rawlings +20
We perform a stacking analysis of H-ATLAS data in order to obtain isothermal dust temperatures and rest-frame luminosities at 250um (L250), for 1599 radio sources over the H-ATLAS…
The MagE Spectrograph
J. L. Marshall, Scott Burles, Ian B. Thompson +11
The Magellan Echellette (MagE) spectrograph is a single-object optical echellette spectrograph for the Magellan Clay telescope. MagE has been designed to have high throughput in th…
Gravitational Lens Models Based on Submillimeter Array Imaging of Herschel-selected Strongly Lensed Sub-millimeter Galaxies at z>1.5
R. S. Bussmann, I. Perez-Fournon, S. Amber +46
Strong gravitational lenses are now being routinely discovered in wide-field surveys at (sub)millimeter wavelengths. We present Submillimeter Array (SMA) high-spatial resolution im…
Classi-Fly: Inferring Aircraft Categories from Open Data using Machine Learning
Martin Strohmeier, Matthew Smith, Vincent Lenders +1
In recent years, air traffic communication data has become easy to access, enabling novel research in many fields. Exploiting this new data source, a wide range of applications hav…
Astro2020: Unleashing the Potential of Dust Emission as a Window onto Galaxy Evolution
Christopher Clark, Julua Roman-Duval, Sarah Sadavoy +15
We present the severe, systematic uncertainties currently facing our understanding of dust emission, which stymie our ability to truly exploit dust as a tool for studying galaxy ev…
Trading patterns within and between regions: an analysis of Gould-Fernandez brokerage roles
Matthew Smith, Yasaman Sarabi
This study examines patterns of regionalisation in the International Trade Network (ITN). The study makes use of Gould Fernandez brokerage to examine the roles countries play in th…
An Integral Field Unit for the Binospec Spectrograph
Daniel Fabricant, Sagi Ben-Ami, Igor Chilingarian +5
Binospec is a wide-field optical (360 to 1000 nm) spectrograph commissioned at the MMT 6.5m telescope in 2017. In direct imaging mode Binospec addresses twin 8 (wide) by 1…
The scaling of social interactions across animal species
Luis E C Rocha, Jan Ryckebusch, Koen Schoors +1
Social animals self-organise to create groups to increase protection against predators and productivity. One-to-one interactions are the building blocks of these emergent social st…
Towards Deep Learning Models for Psychological State Prediction using Smartphone Data: Challenges and Opportunities
Gatis Mikelsons, Matthew Smith, Abhinav Mehrotra +1
There is an increasing interest in exploiting mobile sensing technologies and machine learning techniques for mental health monitoring and intervention. Researchers have effectivel…
Two c's in a pod: Cosmology independent measurement of the Type Ia supernova colour-luminosity relation with a sibling pair
Rahul Biswas, Ariel Goobar, Suhail Dhawan +19
Using Zwicky Transient Facility (ZTF) observations, we identify a pair of "sibling" Type Ia supernovae (SNe Ia), i.e., hosted by the same galaxy at z = 0.0541. They exploded within…
Influence Dynamics and Stagewise Data Attribution
Jin Hwa Lee, Matthew Smith, Maxwell Adam +1
Current training data attribution (TDA) methods treat the influence one sample has on another as static, but neural networks learn in distinct stages that exhibit changing patterns…
Her2 Challenge Contest: A Detailed Assessment of Automated Her2 Scoring Algorithms in Whole Slide Images of Breast Cancer Tissues
Talha Qaiser, Abhik Mukherjee, Chaitanya Reddy Pb +19
Evaluating expression of the Human epidermal growth factor receptor 2 (Her2) by visual examination of immunohistochemistry (IHC) on invasive breast cancer (BCa) is a key part of th…
Maritime Tracking Data Analysis and Integration with AISdb
Gabriel Spadon, Jay Kumar, Jinkun Chen +7
Efficiently handling Automatic Identification System (AIS) data is vital for enhancing maritime safety and navigation, yet is hindered by the system's high volume and error-prone d…
The PRIMA promise of deciphering interstellar dust evolution with observations of the nearby Universe
Frédéric Galliano, Maarten Baes, Léo Belloir +25
This paper develops a few science cases, using the PRIMA far-IR probe, aimed at achieving several breakthroughs in our understanding of the dust properties and their evolution. We…
Deep Generative Classification of Blood Cell Morphology
Simon Deltadahl, Julian Gilbey, Christine Van Laer +16
Accurate classification of haematological cells is critical for diagnosing blood disorders, but presents significant challenges for machine automation owing to the complexity of ce…
High dimensional inference for the structural health monitoring of lock gates
Matthew Parno, Devin O'Connor, Matthew Smith
Locks and dams are critical pieces of inland waterways. However, many components of existing locks have been in operation past their designed lifetime. To ensure safe and cost effe…
Why Do Developers Get Password Storage Wrong? A Qualitative Usability Study
Alena Naiakshina, Anastasia Danilova, Christian Tiefenau +3
Passwords are still a mainstay of various security systems, as well as the cause of many usability issues. For end-users, many of these issues have been studied extensively, highli…
Toward Quantitative Modeling of Cybersecurity Risks Due to AI Misuse
Steve Barrett, Malcolm Murray, Otter Quarks +17
Advanced AI systems offer substantial benefits but also introduce risks. In 2025, AI-enabled cyber offense has emerged as a concrete example. This technical report applies a quanti…
3D Nephrographic Image Synthesis in CT Urography with the Diffusion Model and Swin Transformer
Hongkun Yu, Syed Jamal Safdar Gardezi, E. Jason Abel +8
Purpose: This study aims to develop and validate a method for synthesizing 3D nephrographic phase images in CT urography (CTU) examinations using a diffusion model integrated with…
The Role of Risk Modeling in Advanced AI Risk Management
Chloé Touzet, Henry Papadatos, Malcolm Murray +6
Rapidly advancing artificial intelligence (AI) systems introduce novel, uncertain, and potentially catastrophic risks. Managing these risks requires a mature risk-management infras…
Dynamics of single Au nanoparticles on graphene simultaneously in real- and diffraction space by time-series convergent beam electron diffraction
Sara Mustafi, Rongsheng Cai, Sam Sullivan-Allsop +7
Convergent beam electron diffraction (CBED) on two-dimensional materials allows simultaneous recording of the real-space image (tens of nanometers in size) and diffraction pattern…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Solar and stellar observations
Sven Wedemeyer, Miroslav Barta, Roman Brajsa +35
Observations at (sub-)millimeter wavelengths offer a complementary perspective on our Sun and other stars, offering significant insights into both the thermal and magnetic composit…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Planetary and Cometary Atmospheres
Martin A. Cordiner, Alexander E. Thelen, Thibault Cavalié +26
The study of planets and small bodies within our Solar System is fundamental for understanding the formation and evolution the Earth and other planets. Compositional and meteorolog…
Toward an African Agenda for AI Safety
Samuel T. Segun, Rachel Adams, Ana Florido +22
This paper maps Africa's distinctive AI risk profile, from deepfake fuelled electoral interference and data colonial dependency to compute scarcity, labour disruption and dispropor…
The Galaxy End Sequence
Stephen Eales, Pieter de Vis, Matthew Smith +4
A common assumption is that galaxies fall in two distinct regions on a plot of specific star-formation rate (SSFR) versus galaxy stellar mass: a star-forming Galaxy Main Sequence (…
Semi-Supervised Audio Representation Learning for Modeling Beehive Strengths
Tony Zhang, Szymon Zmyslony, Sergei Nozdrenkov +2
Honey bees are critical to our ecosystem and food security as a pollinator, contributing 35% of our global agriculture yield. In spite of their importance, beekeeping is exclusivel…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: The hidden circumgalactic medium
Minju M. Lee, Alice Schimek, Claudia Cicone +29
Our knowledge of galaxy formation and evolution has incredibly progressed through multi-wavelength observational constraints of the interstellar medium (ISM) of galaxies at all cos…
COSMOS-Web: Star formation along the early Hubble sequence and the evolution of dust over the redshift range 0<z<12
Stephen Eales, Matthew Smith, Tom Bakx +3
We have carried out a stacking analysis with the COSMOS-Web catalogue on one of the deepest ever SCUBA-2 images at 850 microns, allowing us to estimate the mean submillimetre flux…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Surveying the distant Universe
Eelco van Kampen, Tom Bakx, Carlos De Breuck +27
During the most active period of star formation in galaxies, which occurs in the redshift range 1<z<3, strong bursts of star formation result in significant quantities of dust, whi…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Resolving the Hot and Ionized Universe through the Sunyaev-Zeldovich effect
Luca Di Mascolo, Yvette Perrott, Tony Mroczkowski +23
An omnipresent feature of the multi-phase ``cosmic web'' is that warm/hot (> K) ionized gas pervades it. This gas constitutes a relevant contribution to the overall universal…
Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Our Galaxy
Pamela Klaassen, Alessio Traficante, Maria T. Beltrán +38
As we learn more about the multi-scale interstellar medium (ISM) of our Galaxy, we develop a greater understanding for the complex relationships between the large-scale diffuse gas…
Off-axis Hartmann wavefront sensing for the GMT-Consortium Large Earth Finder (G-CLEF) red camera optics
Matthew C. H. Leung, Colby A. Jurgenson, Andrew Szentgyorgyi +10
The Hartmann test is a method used to measure the wavefront error in a focal optical system, wherein a mask with a pattern of small holes is placed at the system's aperture stop. B…
The Herschel Virgo Cluster Survey. IX. Dust-to-gas mass ratio and metallicity gradients in four Virgo spiral galaxies
Laura Magrini, Simone Bianchi, Edvige Corbelli +20
Using Herschel data from the Open Time Key Project the Herschel Virgo Cluster Survey (HeViCS), we investigated the relationship between the metallicity gradients expressed by metal…
Understanding Realistic Attacks on Airborne Collision Avoidance Systems
Matthew Smith, Martin Strohmeier, Vincent Lenders +1
Airborne collision avoidance systems provide an onboard safety net should normal air traffic control procedures fail to keep aircraft separated. These systems are widely deployed a…
Real-time Cricket Sorting By Sex
Juan Manuel Cantarero Angulo, Matthew Smith
The global demand for sustainable protein sources is driving increasing interest in edible insects, with Acheta domesticus (house cricket) identified as one of the most suitable sp…
Bulk Ferroelectric Heterostructures for High Temperature Lead-Free Piezoelectrics
Yizhe Li, Ziqi Yang, Ying Chen +14
Remarkable exploitation of valence and lattice mismatch in epitaxial ferroelectric heterostructures generates physical effects not classically expected for perovskite oxides, such…
A Strong Baseline for Batch Imitation Learning
Matthew Smith, Lucas Maystre, Zhenwen Dai +1
Imitation of expert behaviour is a highly desirable and safe approach to the problem of sequential decision making. We provide an easy-to-implement, novel algorithm for imitation l…
Atacama Large Aperture Submillimeter Telescope \mbox{(AtLAST)} Science: Probing the Transient and Time-variable Sky
John Orlowski-Scherer, Thomas J. Maccarone, Joe Bright +25
The study of transient and variable events, including novae, active galactic nuclei, and black hole binaries, has historically been a fruitful path for elucidating the evolutionary…
The applicability of FIR fine-structure lines as Star Formation Rate tracers over wide ranges of metallicities and galaxy types
Ilse De Looze, Diane Cormier, Vianney Lebouteiller +19
We analyze the applicability of far-infrared fine-structure lines [CII] 158 micron, [OI] 63 micron and [OIII] 88 micron to reliably trace the star formation rate (SFR) in a sample…
Building and Governing AI Systems: Advancing Social Workers' Roles across the Technology Industry, Human Service Organizations, and Policy Institutions
Nari Yoo, Daphne Watkins, Brian Perron +2
Artificial intelligence is moving the technology sector into domains social work has long served, including crisis response, mental health care, benefits administration, vocational…
Safety vs. Security: Attacking Avionic Systems with Humans in the Loop
Matthew Smith, Martin Strohmeier, Jon Harman +2
Many wireless communications systems found in aircraft lack standard security mechanisms, leaving them fundamentally vulnerable to attack. With affordable software-defined radios a…
The Optical Design of the Carbon Investigation(Carbon-I) Imaging Spectrometer
Christine L. Bradley, Rami W. Wehbe, Matthew Smith +7
The proposed Carbon Investigation (Carbon-I) Imaging Spectrometer is designed to measure variations of greenhouse gases in Earth's atmosphere. The instrument will survey the Earth…