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Leo C. Stein

duetosymmetry@mastodon.social

<p>Physics Prof @ U of MS. Sloan Fellow. Black holes, gravitational waves, general relativity &amp; beyond. Formerly Caltech, MIT, Cornell. Need thin pizza + fruity coffee. He/him</p>

Posts

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    Chemists/biologists/other folks who use preprint servers besides the arXiv: Do you get bibtex entries with the eprint=... field pointing to servers different from the arXiv?

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    Y&amp;#39;all it&amp;#39;s a 🎉 New paper day 🎉 for me, and I wrote an explainer over on bluesky... I don&amp;#39;t have the energy to copy it over here. Too many platforms! Check out my explainer at https://bsky.app/profile/duetosymmetry.com/post/3ld2p73zkzs2o or just read the paper at https://arxiv.org/abs/2412.06887.

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    Wake up babe, new preprint just dropped Length dependence of waveform mismatch: a caveat on waveform accuracy Mitman, Stein, et al. https://arxiv.org/abs/2502.14025

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    I learned yesterday that I am a 2025 Kavli Fellow! https://www.nasonline.org/news/national-academy-of-sciences-selects-the-2025-kavli-fellows/

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    Maintaining open-source software that others rely on actually takes time!!!

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    Making N64 Zelda relativistically correct and calling it Ocarina of Spacetime

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    I was Leo before this Pope

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    🎉 Paper acceptance day! 🎉

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    🎉 arXiv submission day! 🎉

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    Something my SXS colleagues and I have been working on for the past six years: https://arxiv.org/abs/2505.13378 The SXS Collaboration&amp;#39;s third catalog of binary black hole simulations Scheel et al. We have a little news blurb here: https://www.black-holes.org/2025/05/19/catalog-update Here&amp;#39;s a nice figure — read the news blurb for a short explainer, or the paper for more details!

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    Bonus: here&amp;#39;s an animation I generated showing how the sausage was made. Each frame is one commit from the paper repo.

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    Nice: my CV just hit 69 publications

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    Last night I was feeling like a grad student as I was deriving the coefficients l/(l+1) and (2l-1)/(2l+1) in this formula (from Blanchet+Damour 1986):

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    I updated my notes on the magnetostatic multipole expansion at https://duetosymmetry.com/notes/magnetostatics-stf-mpoles/ — mainly because Cyril Pitrou found an error (1/2 should have been ℓ/(ℓ+1)), and pointed me to Damour+Iyer (1991). Sorry for having wrong notes up for so long!

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    Do I know anybody who knows Harish-Chandra stuff? Or anybody I don&amp;#39;t know who wants to explain some of these things to me?

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    Any emacs / font experts want to chime in? https://emacs.stackexchange.com/questions/85043/how-does-font-substitution-work-for-unicode-combining-characters