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  • Multi-Patch Epidemic Models with General Exposed and Infectious Periods 

    Pang, Guodong; Pardoux, Étienne (2023)
    We study multi-patch epidemic models where individuals may migrate from one patch to another in either of the susceptible, exposed/latent, infectious and recovered states. We assume that infections occur both locally with a rate that depends on the patch as well as “from distance” from all the other patches. The migration processes among the patches ...
  • Fluorinated Multi-Walled Carbon Nanotubes Coated Separator Mitigates Polysulfide Shuttle in Lithium-Sulfur Batteries 

    Salpekar, Devashish; Dong, Changxin; Oliveira, Eliezer F.; Khabashesku, Valery N.; Gao, Guanhui; (2023)
    Li-S batteries still suffer from two of the major challenges: polysulfide shuttle and low inherent conductivity of sulfur. Here, we report a facile way to develop a bifunctional separator coated with fluorinated multiwalled carbon nanotubes. Mild fluorination does not affect the inherent graphitic structure of carbon nanotubes as shown by transmission ...
  • Exchange field enhanced upper critical field of the superconductivity in compressed antiferromagnetic EuTe2 

    Sun, Hualei; Qiu, Liang; Han, Yifeng; Zhang, Yunwei; Wang, Weiliang; (2023)
    Understanding the interplay between superconductivity and magnetism has been a longstanding challenge in condensed matter physics. Here we report high pressure studies on the C-type antiferromagnetic semiconductor EuTe2 up to 36.0 GPa. A structural transition from the I4/mcm to the C2/m space group is identified at ~16 GPa. Superconductivity is ...
  • Modeling the positive testing rate of COVID-19 in South Africa using a semi-parametric smoother for binomial data 

    Owokotomo, Olajumoke Evangelina; Manda, Samuel; Cleasen, Jürgen; Kasim, Adetayo; Sengupta, Rudradev; (2023)
    Identification and isolation of COVID-19 infected persons plays a significant role in the control of COVID-19 pandemic. A country's COVID-19 positive testing rate is useful in understanding and monitoring the disease transmission and spread for the planning of intervention policy. Using publicly available data collected between March 5th, 2020 and ...
  • Star-exoplanet interactions: A growing interdisciplinary field in heliophysics 

    Garcia-Sage, K.; Farrish, A. O.; Airapetian, V. S.; Alexander, D.; Cohen, O.; (2023)
    Traditionally, heliophysics is characterized as the study of the near-Earth space environment, where plasmas and neutral gases originating from the Earth, the Sun, and other solar system bodies interact in ways that are detectable only through in-situ or close-range (usually within ∼10 AU) remote sensing. As a result, heliophysics has data from the ...
  • Case studies of multihazard damage: Investigation of the interaction of Hurricane Maria and the January 2020 earthquake sequence in Puerto Rico 

    Hain, Alexandra; Zaghi, Arash E.; Padgett, Jamie E.; Tafur, Anibal (2023)
    This paper is motivated by the unique findings and observations from reconnaissance visits after the earthquake series in Puerto Rico in January 2020. It aims to discuss the potential interactions of Hurricane Maria and 2020 earthquake series and the considerations they underscore for future field reconnaissance missions. Traditionally, post-disaster ...
  • Hypergraphs with edge-dependent vertex weights: p-Laplacians and spectral clustering 

    Zhu, Yu; Segarra, Santiago (2023)
    We study p-Laplacians and spectral clustering for a recently proposed hypergraph model that incorporates edge-dependent vertex weights (EDVW). These weights can reflect different importance of vertices within a hyperedge, thus conferring the hypergraph model higher expressivity and flexibility. By constructing submodular EDVW-based splitting functions, ...
  • Autonomous Single-Molecule Manipulation Based on Reinforcement Learning 

    Ramsauer, Bernhard; Simpson, Grant J.; Cartus, Johannes J.; Jeindl, Andreas; García-López, Victor; (2023)
    Building nanostructures one-by-one requires precise control of single molecules over many manipulation steps. The ideal scenario for machine learning algorithms is complex, repetitive, and time-consuming. Here, we show a reinforcement learning algorithm that learns how to control a single dipolar molecule in the electric field of a scanning tunneling ...
  • Some remarks on group actions on hyperbolic 3-manifolds 

    Reid, Alan; Salgueiro, Antonio (2022)
    We prove that there are infinitely many non-commensurable closed orientable hyperbolic 3-manifolds X, with the property that there are finite groups G1 and G2 acting freely by orientation-preserving isometries on X with X/G1 and X/G2 isometric, but G1 and G2 are not conjugate in Isom(X). We provide examples where G1 and G2 are non-isomorphic, and ...
  • A Chromosome-length Assembly of the Black Petaltail (Tanypteryx hageni) Dragonfly 

    Tolman, Ethan R; Beatty, Christopher D; Bush, Jonas; Kohli, Manpreet; Moreno, Carlos M; (2023)
    We present a chromosome-length genome assembly and annotation of the Black Petaltail dragonfly (Tanypteryx hageni). This habitat specialist diverged from its sister species over 70 million years ago, and separated from the most closely related Odonata with a reference genome 150 million years ago. Using PacBio HiFi reads and Hi-C data for scaffolding ...
  • Beam Energy Dependence of Fifth- and Sixth-Order Net-Proton Number Fluctuations in Au+Au Collisions at RHIC 

    STAR Collaboration (2023)
    We report the beam energy and collision centrality dependence of fifth and sixth order cumulants (C5, C6) and factorial cumulants (κ5, κ6) of net-proton and proton number distributions, from center-of-mass energy (√sNN) 3 GeV to 200 GeV Au+Au collisions at RHIC. Cumulant ratios of net-proton (taken as proxy for net-baryon) distributions generally ...
  • A universal Cannon-Thurston map and the surviving curve complex 

    Gültepe, Funda; Leininger, Christopher; Pho-on, Witsarut (2022)
    Using the Birman exact sequence for pure mapping class groups, we construct a universal Cannon-Thurston map onto the boundary of a curve complex for a surface with punctures we call surviving curve complex. Along the way we prove hyperbolicity of this complex and identify its boundary as a space of laminations. As a corollary we obtain a universal ...
  • Widespread phosphorous excess in olivine, rapid crystal growth, and implications for magma dynamics 

    Lee, Cin-Ty; Sun, Chenguang; Sharton-Bierig, Eytan; Phelps, Patrick; Borchardt, Jackson; (2022)
    Trace element zoning is often used to unravel the crystallization history of phenocrysts in magmatic systems, but interpretation requires quantifying the relative importance of equilibrium versus disequilibrium. Published partition coefficients for phosphorous (P) in olivine vary by more than a factor of ten. After considering kinetic effects, a new ...
  • Azimuthal anisotropy measurement of (multi)strange hadrons in Au+Au collisions at √sNN=54.4 GeV 

    STAR Collaboration (2023)
    Azimuthal anisotropy of produced particles is one of the most important observables used to access the collective properties of the expanding medium created in relativistic heavy-ion collisions. In this paper, we present second (v2) and third (v3) order azimuthal anisotropies of K0S, ϕ, Λ, Ξ, and Ω at midrapidity (|y|<1) in Au+Au collisions at √sNN=54.4 ...
  • Pion, kaon, and (anti)proton production in U+U collisions at √sNN=193 GeV measured with the STAR detector 

    STAR Collaboration (2023)
    We present the first measurements of transverse momentum spectra of π±, K±, p(¯p) at midrapidity (|y|<0.1) in U+U collisions at √sNN= 193 GeV with the STAR detector at the Relativistic Heavy Ion Collider (RHIC). The centrality dependence of particle yields, average transverse momenta, particle ratios and kinetic freeze-out parameters are discussed. ...
  • Conditional Injective Flows for Bayesian Imaging 

    Khorashadizadeh, AmirEhsan; Kothari, Konik; Salsi, Leonardo; Harandi, Ali Aghababaei; de Hoop, Maarten; (2023)
    Most deep learning models for computational imaging regress a single reconstructed image. In practice, however, ill-posedness, nonlinearity, model mismatch, and noise often conspire to make such point estimates misleading or insufficient. The Bayesian approach models images and (noisy) measurements as jointly distributed random vectors and aims to ...
  • Post-traumatic stress disorder and hiring: The role of social media disclosures on stigma and hiring assessments of veterans 

    Pu, Wenxi; Roth, Philip L.; Thatcher, Jason B.; Nittrouer, Christine L.; Hebl, Mikki (2023)
    A significant percentage of veterans suffer from post-traumatic stress disorder (PTSD). Veterans are often directed to social media platforms to seek support during their transition to civilian life. However, social media platforms are increasingly used to aid in hiring decisions, and these platforms may make veterans’ PTSD more discoverable during ...
  • Optimized decision support for selection of transoral robotic surgery or (chemo)radiation therapy based on posttreatment swallowing toxicity 

    Hemmati, Mehdi; Barbon, Carly; Mohamed, Abdallah S. R.; van Dijk, Lisanne V.; Moreno, Amy C.; (2023)
    Background A primary goal in transoral robotic surgery (TORS) for oropharyngeal squamous cell cancer (OPSCC) survivors is to optimize swallowing function. However, the uncertainty in the outcomes of TORS including postoperative residual positive margin (PM) and extranodal extension (ENE), may necessitate adjuvant therapy, which may cause significant ...
  • Search for the chiral magnetic effect in Au+Au collisions at sNN=27 GeV with the STAR forward event plane detectors 

    STAR Collaboration (2023)
    A decisive experimental test of the Chiral Magnetic Effect (CME) is considered one of the major scientific goals at the Relativistic Heavy-Ion Collider (RHIC) towards understanding the nontrivial topological fluctuations of the Quantum Chromodynamics vacuum. In heavy-ion collisions, the CME is expected to result in a charge separation phenomenon ...
  • Unpacking “the West”: Divergence and Asymmetry in Chinese Public Attitudes Towards Europe and the United States 

    Liu, Adam Y.; Li, Xiaojun; Fang, Songying (2023)
    Recent public opinion polls conducted in Europe and the United States show increasingly negative views of China. Does the Chinese public hold similar views of ?the West?? Conducting a two-wave survey in China, we found great divergence and asymmetries in Chinese public perceptions. First, Chinese views of European countries and the US diverge sharply, ...

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