activity
20122025
most citedSuper-resolution Full Polarimetric Imaging for Radio Interferometry with Sparse Modeling

108 citations · 226 across the 17 of their papers we have counts for

collaborators

17 papers

cs.DC2025★ 2 cited

Fast and Scalable Mixed Precision Euclidean Distance Calculations Using GPU Tensor Cores

Brian Curless, Michael Gowanlock

Modern GPUs are equipped with tensor cores (TCs) that are commonly used for matrix multiplication in artificial intelligence workloads. However, because they have high computationa…

astro-ph.EP2023★ 8 cited

Removing Aliases in Time-Series Photometry

Daniel Kramer, Michael Gowanlock, David Trilling +2

Ground-based, all-sky astronomical surveys are imposed with an inevitable day-night cadence that can introduce aliases in period-finding methods. We examined four different methods…

astro-ph.EP2023★ 11 cited

The Solar System Notification Alert Processing System (SNAPS): Design, Architecture, and First Data Release (SNAPShot1)

David E. Trilling, Michael Gowanlock, Daniel Kramer +4

We present here the design, architecture, and first data release for the Solar System Notification Alert Processing System (SNAPS). SNAPS is a Solar System broker that ingests aler…

cs.DC2022

Leveraging GPU Tensor Cores for Double Precision Euclidean Distance Calculations

Benoit Gallet, Michael Gowanlock

Tensor cores (TCs) are a type of Application-Specific Integrated Circuit (ASIC) and are a recent addition to Graphics Processing Unit (GPU) architectures. As such, TCs are purposef…

astro-ph.IM2021

GPU-Enabled Searches for Periodic Signals of Unknown Shape

Michael Gowanlock, Nathaniel R. Butler, David E. Trilling +1

Recent and future generation observatories will enable the study of variable astronomical phenomena through their time-domain capabilities. High temporal fidelity will allow for un…

astro-ph.IM2021

Fast Period Searches Using the Lomb-Scargle Algorithm on Graphics Processing Units for Large Datasets and Real-Time Applications

Michael Gowanlock, Daniel Kramer, David E. Trilling +2

Computing the periods of variable objects is well-known to be computationally expensive. Modern astronomical catalogs contain a significant number of observed objects. Therefore, e…

astro-ph.HE2021★ 64 cited

The Breakthrough Listen Search For Intelligent Life Near the Galactic Center I

Vishal Gajjar, Karen I. Perez, Andrew P. V. Siemion +23

A line-of-sight towards the Galactic Center (GC) offers the largest number of potentially habitable systems of any direction in the sky. The Breakthrough Listen program is undertak…

cs.DC2018

Hybrid KNN-Join: Parallel Nearest Neighbor Searches Exploiting CPU and GPU Architectural Features

Michael Gowanlock

K Nearest Neighbor (KNN) joins are used in scientific domains for data analysis, and are building blocks of several well-known algorithms. KNN-joins find the KNN of all points in a…

cs.DC2018

GPU Accelerated Similarity Self-Join for Multi-Dimensional Data

Michael Gowanlock, Ben Karsin

The self-join finds all objects in a dataset that are within a search distance, epsilon, of each other; therefore, the self-join is a building block of many algorithms. We advance…

cs.DC2018★ 2 cited

GPU Accelerated Self-join for the Distance Similarity Metric

Michael Gowanlock, Ben Karsin

The self-join finds all objects in a dataset within a threshold of each other defined by a similarity metric. As such, the self-join is a building block for the field of databases…

astro-ph.EP2018★ 1 cited

The Habitability of our Evolving Galaxy

Michael G. Gowanlock, Ian S. Morrison

The notion of a Galactic Habitable Zone (GHZ), or regions of the Milky Way galaxy that preferentially maintain the conditions to sustain complex life, has recently gained attention…

astro-ph.IM2017★ 108 cited

Super-resolution Full Polarimetric Imaging for Radio Interferometry with Sparse Modeling

Kazunori Akiyama, Shiro Ikeda, Mollie Pleau +9

We propose a new technique for radio interferometry to obtain super-resolution full polarization images in all four Stokes parameters using sparse modeling. The proposed technique…

physics.geo-ph2017★ 4 cited

Computer Aided Detection of Transient Inflation Events at Alaskan Volcanoes using GPS Measurements from 2005-2015

Justin D Li, Cody M Rude, David M Blair +3

Analysis of transient deformation events in time series data observed via networks of continuous Global Positioning System (GPS) ground stations provide insight into the magmatic a…

astro-ph.EP2016★ 24 cited

Astrobiological Effects of Gamma-Ray Bursts in the Milky Way Galaxy

Michael G. Gowanlock

A planet having protective ozone within the collimated beam of a Gamma Ray Burst (GRB) may suffer ozone depletion, potentially causing a mass extinction event to existing life on a…

cs.DC2014★ 1 cited

Technical Report: Towards Efficient Indexing of Spatiotemporal Trajectories on the GPU for Distance Threshold Similarity Searches

Michael Gowanlock, Henri Casanova

Applications in many domains require processing moving object trajectories. In this work, we focus on a trajectory similarity search that finds all trajectories within a given dist…

cs.DB2014★ 1 cited

Technical Report: Parallel Distance Threshold Query Processing for Spatiotemporal Trajectory Databases on the GPU

Michael G. Gowanlock, Henri Casanova

Processing moving object trajectories arises in many application domains and has been addressed by practitioners in the spatiotemporal database and Geographical Information System…

physics.soc-ph2012

Assessing Researcher Interdisciplinarity: A Case Study of the University of Hawaii NASA Astrobiology Institute

Michael G. Gowanlock, Rich Gazan

In this study, we combine bibliometric techniques with a machine learning algorithm, the sequential Information Bottleneck, to assess the interdisciplinarity of research produced b…