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   Mai, Zheda; Chowdhury, Arpita; Zhang, Ping; Tu, Cheng-Hao; Chen, Hong-You; Pahuja, Vardaan; Berger-Wolf, Tanya; Gao, Song; Stewart, Charles; Su, Yu; et al (December 2024, NeurIPS)
2. What IF Is Not Enough? Fixing Null Pointer Dereference with Contextual Check

   Xing, Y; Wang, S; Sun, S; He, X; Sun, K; Li, Q (August 2024, 33rd USENIX Security Symposium)
3. If Dark Matter is Fuzzy, the First Stars Form in Massive Pancakes

   https://doi.org/10.3847/2041-8213/aca47c  

   Kulkarni, Mihir; Visbal, Eli; Bryan, Greg L.; Li, Xinyu (December 2022, The Astrophysical Journal Letters)

   Abstract Fuzzy dark matter (FDM) is a proposed modification for the standard cold dark matter (CDM) model motivated by small-scale discrepancies in low-mass galaxies. Composed of ultralight (mass ∼ 10²²eV) axions with kiloparsec-scale de Broglie wavelengths, this is one of a class of candidates that predicts that the first collapsed objects form in relatively massive dark matter halos. This implies that the formation history of the first stars and galaxies would be very different, potentially placing strong constraints on such models. Here we numerically simulate the formation of the first stars in an FDM cosmology, following the collapse in a representative volume all the way down to primordial protostar formation including a primordial nonequilibrium chemical network and cooling for the first time. We find two novel results: first, the large-scale collapse results in a very thin and flat gas “pancake”; second, despite the very different cosmology, this pancake fragments until it forms protostellar objects indistinguishable from those in CDM. Combined, these results indicate that the first generation of stars in this model are also likely to be massive and, because of the sheet morphology, do not self-regulate, resulting in a massive Population III starburst. We estimate the total number of first stars forming in this extended structure to be 10⁴over 20 Myr using a simple model to account for the ionizing feedback from the stars, and should be observable with the James Webb Space Telescope. These predictions provide a potential smoking gun signature of FDM and similar dark matter candidates. 

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4. If all you have is a hammer, everything looks like a nail: Operationalization matters

   https://doi.org/10.1111/soc4.12727  

   Steidl, Christina R.; Werum, Regina (July 2019, Sociology Compass)
5. High‐Latitude Stratospheric Aerosol Geoengineering Can Be More Effective if Injection Is Limited to Spring

   https://doi.org/10.1029/2021GL092696  

   Lee, Walker Raymond; MacMartin, Douglas G.; Visioni, Daniele; Kravitz, Ben (May 2021, Geophysical Research Letters)

   Abstract Stratospheric aerosol geoengineering focused on the Arctic could substantially reduce local and worldwide impacts of anthropogenic global warming. Because the Arctic receives little sunlight during the winter, stratospheric aerosols present in the winter at high latitudes have little impact on the climate, whereas stratospheric aerosols present during the summer achieve larger changes in radiative forcing. Injecting SO₂in the spring leads to peak aerosol optical depth (AOD) in the summer. We demonstrate that spring injection produces approximately twice as much summer AOD as year‐round injection and restores approximately twice as much September sea ice, resulting in less increase in stratospheric sulfur burden, stratospheric heating, and stratospheric ozone depletion per unit of sea ice restored. We also find that differences in AOD between different seasonal injection strategies are small compared to the difference between annual and spring injection. 

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