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98 papers · 1 filter
Differentially Private Community Detection in -uniform Hypergraphs
Javad Zahedi Moghaddam, Aria Nosratinia
This paper studies the exact recovery threshold subject to preserving the privacy of connections in -uniform hypergraphs. Privacy is characterized by the -hyperedge diff…
Core-wing transitions and the breakdown of diffusion in Lyman- radiative transfer
Kevin Lorinc, Aaron Smith, Olof Nebrin +1
The Lyman alpha (LyA) line of neutral hydrogen plays a central role in observations of star-forming galaxies. However, resonant scattering makes it difficult to directly interpret…
The THESAN project: Lyman-alpha intensity mapping of cosmic reionization
Mouza Almualla, Aaron Smith, Rahul Kannan +6
Line Intensity Mapping (LIM) has garnered attention as a powerful cosmological probe, with next-generation instruments such as SPHEREx preparing to map the evolution of large-scale…
Parity-odd Four-Point Correlation Function from DESI Data Release 1 Luminous Red Galaxy Sample
J. Hou, R. N. Cahn, J. Aguilar +33
The parity-odd four-point function provides a unique probe of fundamental symmetries and potential new physics in the large-scale structure of the Universe. We present measurements…
Measurements of quasar proximity zones with the Ly forest of DESI Y1 quasars
Ryuichiro Hada, Paul Martini, David H. Weinberg +41
The intergalactic medium (IGM) around quasars is shaped by their dense environments and by their excess ionizing radiation, forming a "quasar proximity zone" whose size and anisotr…
Constraining primordial non-Gaussianity from DESI DR1 quasars and Planck PR4 CMB Lensing
Sofia Chiarenza, Alex Krolewski, Marco Bonici +54
We present the first measurement of local-type primordial non-Gaussianity from the cross-correlation between million spectroscopically confirmed quasars from the first data r…
The DESI Single Fiber Lens Search. I. Four Thousand Spectroscopically Selected Galaxy-Galaxy Gravitational Lens Candidates
Juliana S. M. Karp, David J. Schlegel, Xiaosheng Huang +47
We present 4,110 strong gravitational lens candidates, 3,887 of which are new discoveries, selected from a sample of 5,837,154 luminous red galaxies (LRGs) observed with the Dark E…
The DESI DR1 Peculiar Velocity Survey: global zero-point and constraints
A. Carr, C. Howlett, A. J. Amsellem +55
The Dark Energy Spectroscopic Instrument (DESI) in its first Data Release (DR1) already provides more than 100,000 galaxies with relative distance measurements. The primary purpose…
The DESI DR1 Peculiar Velocity Survey: Fundamental Plane Catalogue
C. E. Ross, C. Howlett, J. R. Lucey +58
Measurements of peculiar velocities in the local Universe are a powerful tool to study the nature of dark energy at low () redshifts. Here we present the largest single se…
FluxLab: Creating 3D Printable Shape-Changing Devices with Integrated Deformation Sensing
Hsuanling Lee, Jiakun Yu, Shurui Zheng +2
We present FluxLab, a system comprising interactive tools for creating custom 3D-printable shape-changing devices with integrated deformation sensing. To achieve this, we propose a…
Galaxy-Multiplet Clustering from DESI DR2
Hanyue Wang, Daniel J. Eisenstein, Jessica Nicole Aguilar +44
We present an efficient estimator for higher-order galaxy clustering using small groups of nearby galaxies, or multiplets. Using the Luminous Red Galaxy (LRG) sample from the Dark…
Tungsten Germanide Superconducting Nanowire Single-Photon Detectors with Saturated Internal Detection Efficiency at Wavelengths up to 29 μm
Benedikt Hampel, Daniel Kuznesof, Andrew S. Mueller +13
Superconducting nanowire single-photon detectors (SNSPDs) are among the most sensitive single-photon detectors available and have the potential to transform fields ranging from inf…
Multi-Resonant-Line Radiative Transfer: Lyman-Alpha Fine Structure and Deuterium Coupling
Ethan Stace, Aaron Smith, Kevin Lorinc +1
Resonance lines encode rich information about astrophysical sources and their environments, yet fully analytic treatments of multi-line radiative transfer remain almost entirely un…
Full calibration of the tomographic redshift distribution from the HSC PDR3 Shape Catalog with DESI
J. Choppin de Janvry, S. Gontcho A Gontcho, U. Seljak +53
The calibration of tomographic redshift distributions is essential for cosmological analysis of weak lensing data. In this work, we calibrate all four tomographic bins of the Hyper…
Control of dynamical phase transitions and non-ergodic relaxation via spinor phases
J. O. Austin-Harris, P. Sigdel, C. Binegar +3
Utilizing ultracold spinor gases as large-scale, many-body quantum simulation platforms, we establish a toolbox for the precise control, characterization, and detection of nonequil…
RIGEL: Feedback-regulated cloud-scale star formation efficiency in a simulated dwarf galaxy merger
Yunwei Deng, Hui Li, Federico Marinacci +5
Major mergers of galaxies are likely to trigger bursty star formation activities. The accumulation of dense gas and the boost of star formation efficiency (SFE) are considered to b…
MATStruct: High-Quality Medial Mesh Computation via Structure-aware Variational Optimization
Ningna Wang, Rui Xu, Yibo Yin +4
We propose a novel optimization framework for computing the medial axis transform that simultaneously preserves the medial structure and ensures high medial mesh quality. The media…
Multi-objective Bayesian Optimization with Human-in-the-Loop for Flexible Neuromorphic Electronics Fabrication
Benius Dunn, Javier Meza-Arroyo, Armi Tiihonen +2
Neuromorphic computing hardware enables edge computing and can be implemented in flexible electronics for novel applications. Metal oxide materials are promising candidates for fab…
Flexible Intelligent Metasurface for Reconfiguring Radio Environments
Hanwen Hu, Jiancheng An, Lu Gan +1
Flexible intelligent metasurface (FIM) technology holds immense potential for increasing the spectral efficiency and energy efficiency of wireless networks. In contrast to traditio…
Bayesian Optimization of Multi-Bit Pulse Encoding in In2O3/Al2O3 Thin-film Transistors for Temporal Data Processing
Javier Meza-Arroyo, Benius Dunn, Weijie Xu +3
Utilizing the intrinsic history-dependence and nonlinearity of hardware, physical reservoir computing is a promising neuromorphic approach to encode time-series data for in-sensor…
Without the Sound Horizon (or Supernovae): A 2% Measurement in DESI DR1
E. A. Zaborowski, P. Taylor, K. Honscheid +58
The sound horizon scale is a key source of information for early-time measurements, and is therefore a common target of new physics proposed to solve the Hubble tension…
The THESAN project: Lyman-alpha emitters as probes of ionized bubble sizes
Meredith Neyer, Aaron Smith, Mark Vogelsberger +4
We use the THESAN radiation-hydrodynamics simulations to investigate how Lyman- emitters (LAEs) trace ionized bubble sizes during the Epoch of Reionization. We generate realisti…
Spectral statistics and energy-gap scaling in local spin Hamiltonians
Sasanka Dowarah
We investigate the spectral properties of all-to-all interacting spin Hamiltonians acting on exactly spins, whose coupling coefficients are drawn from a normal distribution wit…
The THESAN-ZOOM project: The Hidden Neighbours of OI Absorbers during Reionization
Giulia Pruto, Laura Keating, Rahul Kannan +9
Metal absorbers represent a powerful probe of galaxy feedback and reionization, as highlighted by both observational and theoretical results showing an increased abundance of low-i…