Tootfinder

From FFB Starbursts at Cosmic Dawn to Quenching at Cosmic Morning: Hi-z Galaxy Bimodality
Avishai Dekel, Nir Mandelker, Zhaozhou Li, Zhiyuan Yao, Bocheng Zhu, Sharon Lapiner, Dhruba Dutta Chowdhury, Omri Ginzburg
https://arxiv.org/abs/2506.11664

From FFB Starbursts at Cosmic Dawn to Quenching at Cosmic Morning: Hi-z Galaxy Bimodality
We propose a mass-dependent bimodality in the early evolution of galaxies. The massive track connects the super-bright galaxies at cosmic dawn ($z>8$) to the super-massive quiescent galaxies and black holes (BHs) at cosmic morning ($z=4-7$). The dark-matter halos $>10^{10.5}M_\odot$ at $z=10$ are expected to undergo feedback-free starbursts (FFB) with high star-formation efficiency in dense star clusters within compact galaxies. The less massive halos avoid FFB and form stars gradually under st…

Light-induced Floquet spin-triplet Cooper pairs in unconventional magnets
Pei-Hao Fu, Sayan Mondal, Jun-Feng Liu, Jorge Cayao
https://arxiv.org/abs/2506.10590

Light-induced Floquet spin-triplet Cooper pairs in unconventional magnets
The recently predicted unconventional magnets offer a new ground for exploring the formation of nontrivial spin states due to their inherent nonrelativistic momentum-dependent spin splitting. In this work, we consider unconventional magnets with $d$- and $p$-wave parities and investigate the effect of time-periodic light drives for inducing the formation of spin-triplet phases in the normal and superconducting states. In particular, we consider unconventional magnets without and with convention…

Proton Gravitational Structure and Mass Decomposition on the Light Front
Sreeraj Nair, Chandan Mondal, Siqi Xu, Xingbo Zhao, James P. Vary
https://arxiv.org/abs/2506.07554

Proton Gravitational Structure and Mass Decomposition on the Light Front
Gravitational form factors (GFFs) of hadrons encode essential information about the internal distributions of mass, spin, pressure, and shear among their quark and gluon constituents. We compute the quark and gluon GFFs of the proton using a fully relativistic, nonperturbative framework based on a light-front quantized Hamiltonian with quantum chromodynamics (QCD) input. This allows us to quantify the impact of a dynamical gluon on the proton's mechanical properties, such as pressure and shear …

Universal property of framed $G$-disc algebras
Aleksandar Miladinovi\'c
https://arxiv.org/abs/2506.02699 https://arxiv.org/pdf/25…

Universal property of framed $G$-disc algebras
Given a compact Lie group $G$ and its finite subgroup $H$ we prove that the $\infty$-category of $G/H$-framed $G$-disc algebras taking values in a $G$-symmetric monoidal category $\underline{\mathcal{C}}^{\otimes}$ is equivalent to the $\infty$-category of $V$-framed $H$-disc algebras (where $V$ is an $H$-representation) which take values in $\underline{\mathcal{C}}^{\otimes}_H$, the underlying $H$-symmetric monoidal subcategory of $\underline{\mathcal{C}}^{\otimes}$. We will use this construct…

Noise in Maps of the Sun at Radio Wavelengths I: Theoretical Considerations
Timothy Bastian, Bin Chen, Surajit Mondal, Pascal Saint-Hilaire
https://arxiv.org/abs/2506.09838

Noise in Maps of the Sun at Radio Wavelengths I: Theoretical Considerations
The Sun is a powerful source of radio emissions, so much so that, unlike most celestial sources, this emission can dominate the system noise of radio telescopes. We outline the theory of noise in maps formed by Fourier synthesis techniques at radio wavelengths, with a focus on self-noise: that is, noise due to the source itself. As a means of developing intuition we consider noise for the case of a single dish, a two-element interferometer, and an n-element array for simple limiting cases. We t…

Hopefully the last #leukemia update for a while. Results today of high sensitivity PCR looking for sneaky cancer cells—NONE DETECTED! Woot!
So from here they’ll remove my central line (which I will def not miss) and then monthly monitoring for the next few years.
Thanks for all the good vibes, mastodon friends!

Hinich's model for Day convolution revisited
Christoph Winges
https://arxiv.org/abs/2506.06025 https://arxiv.org/pdf/2506.06025…

Hinich's model for Day convolution revisited
We prove that Hinich's construction of the Day convolution operad of two $\mathcal{O}$-monoidal $\infty$-categories is an exponential in the $\infty$-category of $\infty$-operads over $\mathcal{O}$, and use this to give an explicit description of the formation of algebras in the Day convolution operad as a bivariant functor.

Just finished watching Mandalorian.
How would you describe it to your friend to convince them it’s worth watching?
(I will admit that I like storylines that have an end; even if I might not like the end. I completely dislike unfinished stories. It’s my be a bias, as I am under the impression that in the recent years TV series avoid completing their story arcs.)

"I'm Petting the Laptop, Which Has You Inside It": Reflecting on Lived Experiences of Online Friendship
Seraphina Yong, Ashlee Milton, Evan Suma Rosenberg, Stevie Chancellor, Svetlana Yarosh
https://arxiv.org/abs/2506.20055

"I'm Petting the Laptop, Which Has You Inside It": Reflecting on Lived Experiences of Online Friendship
Online(-only) friendships have become increasingly common in daily lives post-COVID despite debates around their mental health benefits and equivalence to ''real'' relationships. Previous research has reflected a need to understand how online friends engage beyond individual platforms, and the lack of platform-agnostic inquiry limits our ability to fully understand the dynamics of online friendship. We employed an activity-grounded analysis of 25 interviews on lived experiences of close online …

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Thanks to all the supporters who help keep this community strong and invite your friends!
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