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26 papers · 1 filter
SPARCS-North Wide-field VLBI Survey: Exploring the resolved MicroJy extra-galactic radio source population with EVN+e-MERLIN
Ann Njeri, Robert J. Beswick, Jack F. Radcliffe +8
The SKA PAthfinder Radio Continuum Surveys (SPARCS) are providing deep-field imaging of the faint (sub-mJy) extra-galactic radio source populations through a series of reference su…
Theoretical analysis and experimental validation of volume bias of soft Dice optimized segmentation maps in the context of inherent uncertainty
Jeroen Bertels, David Robben, Dirk Vandermeulen +1
The clinical interest is often to measure the volume of a structure, which is typically derived from a segmentation. In order to evaluate and compare segmentation methods, the simi…
Factors that Contribute to the Success of a Software Organisation's DevOps Environment: A Systematic Review
Ashley Gwangwadza, Ridewaan Hanslo
This research assesses the aspects of software organizations' DevOps environments and identifies the factors contributing to these environments' success. DevOps is a recent concept…
MeerKAT follow-up of enigmatic GLEAM 4-Jy (G4Jy) sources
Precious K. Sejake, Sarah V. White, Ian Heywood +4
We present the results from studying 140 radio sources in the GLEAM (GaLactic and Extragalactic All-sky MWA [Murchison Widefield Array]) 4-Jy (G4Jy) Sample. These sources were foll…
Quantum Wasserstein distance of order 1 between channels
Rocco Duvenhage, Mathumo Mapaya
We set up a general theory for a quantum Wasserstein distance of order 1 in an operator algebraic framework, extending recent work in finite dimensions. In addition, this theory ap…
The Bright Supernova 1996cr in the Circinus Galaxy Imaged with VLBI: Shell Structure with Complex Evolution
Michael F. Bietenholz, Norbert Bartel, Vikram V. Dwarkadas +5
We present broadband radio flux-density measurements supernova (SN) 1996cr, made with MeerKAT, ATCA and ALMA, and images made from very long baseline interferometry (VLBI) observat…