347 citations
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astro-ph.IM2024★ 11 cited
Optical modeling of systematic uncertainties in detector polarization angles for the Atacama Cosmology Telescope
Colin C. Murphy, Steve K. Choi, Rahul Datta +10
We present an estimate of the Atacama Cosmology Telescope (ACT) detector polarization angle systematic uncertainty from optics perturbation analysis using polarization-sensitive ra…
math.AT2024
On R-trees, homotopies, and covering maps
Jeremy Brazas, Gregory R. Conner, Paul Fabel +1
A map has the \emph{unique path lifting} property if every path in , after a choice of an initial point, lifts uniquely to a path in . We prove that if a group …