Tootfinder

Pair Charged With Running Dark Web Market for Illicit Goods
https://www.bloomberg.com/news/articles/2024-06-14/pair-charged-with-running-dark-web-market-for-illicit-goods

Ethics probe into Matt Gaetz now reviewing allegations of sexual misconduct and illicit drug use | Courthouse News Service
https://www.courthousenews.com/ethics-probe-into-matt-gaetz-now-reviewing-all…

Ethics probe into Matt Gaetz now reviewing allegations of sexual misconduct and illicit drug use
Gaetz blamed Kevin McCarthy for the Ethics Committee's review, even though the investigation began before Republicans took the majority in the House.

Amazing story, illustrates how things with regard to security can go very wrong, in this case with Microsoft.
https://www.propublica.org/article/microsoft-solarwinds-golden-saml-data-breach-russian-hackers

Whistleblower Says Microsoft Dismissed Warnings About a Security Flaw That Russians Later Used to Hack U.S. Government
Former employee says software giant dismissed his warnings about a critical flaw because it feared losing government business. Russian hackers later used the weakness to breach the National Nuclear Security Administration, among others.

Slots coming up in July, so if you need an established illustrator/graphic designer, ping me!
#FediHire

"I used that example [...] to illustrate how pervasive the effects all these little examples of automation are.[...] But collectively they’re a corrosive force that erodes social bonds and spoils personal interactions and generally makes it less pleasant to go about our days as human beings."
(Original title: AI can't fix what automation already broke)

AI can't fix everything automation already broke
Generative AI is the latest in a long line of technologies that promise innovation and fixes but grind away at public life

Ah, 1994. For the record, I still love CD-ROMs.
"1994 might have been the year of Peak CD, with 17.5 million CD-ROM drives and $590 million in discs sold"
https://www.fastcompany.com/91128052/history-of-cd-roms-encarta-myst

The short, happy reign of CD-ROM
In 1994, multimedia discs—from encyclopedias to magazines—flooded the market, and felt like the future. It was fun while it lasted.

This https://arxiv.org/abs/2311.04242 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Surgery Exact Triangles in Instanton Theory
We prove an exact triangle relating knot instanton Floer homology to the instanton homology of surgeries along the knot. To the author's knowledge, this is the first such result in instanton homology with integer coefficients and has no analogue in Heegaard Floer homology. To illustrate the latter claim, we derive as a consequence of this triangle, building on previous computations in the literature, that the Poincaré Homology Sphere is not an instanton $L$-space with $\mathbb{Z}/2$-coefficien…

Error Control and Automatic Detection of Reference Active Spaces in Many-Body Expanded Full Configuration Interaction
Jonas Greiner, J\"urgen Gauss, Janus J. Eriksen
https://arxiv.org/abs/2406.11343 https://arxiv.org/pdf/2406.11343
arXiv:2406.11343v1 Announce Type: new
Abstract: We present a wide-reaching revamp of the generalized many-body expanded full configuration interaction (MBE-FCI) method. First, we outline how to automatize the selection of reference active spaces whereby the inherent bias introduced through a manual identification is reduced, also within the context of traditional complete active space methods. Second, we allow for the use of compact orbital clusters as expansion objects, which works to circumvent the unfavorable scaling with the number of orbitals included in the space complementary to the reference orbitals. Finally, we present a new algorithm for ensuring that many-body expansions can be efficiently terminated while conservatively accounting for resulting errors. These developments are all tested on a variety of molecular systems and different orbital representations to illustrate the abilities of our algorithm to produce correlation energies within predetermined error bounds, significantly broadening the overall applicability of the MBE-FCI method.

This https://arxiv.org/abs/2311.04242 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Surgery Exact Triangles in Instanton Theory
We prove an exact triangle relating knot instanton Floer homology to the instanton homology of surgeries along the knot. To the author's knowledge, this is the first such result in instanton homology with integer coefficients and has no analogue in Heegaard Floer homology. To illustrate the latter claim, we derive as a consequence of this triangle, building on previous computations in the literature, that the Poincaré Homology Sphere is not an instanton $L$-space with $\mathbb{Z}/2$-coefficien…

All-electron $BSE@GW$ method with Numeric Atom-Centered Orbitals for Extended Systems
Ruiyi Zhou, Yi Yao, Volker Blum, Xinguo Ren, Yosuke Kanai
https://arxiv.org/abs/2406.11122 https://arxiv.org/pdf/2406.11122
arXiv:2406.11122v1 Announce Type: new
Abstract: Green's function theory has emerged as a powerful many-body approach not only in condensed matter physics but also in quantum chemistry in recent years. We have developed a new all-electron implementation of the BSE@GW formalism using numeric atom-centered orbital basis sets (Liu et al., J. Chem. Phys. 152, 044105 (2020)). We present our recent developments in implementing this formalism for extended systems with periodic boundary conditions. We discuss its numerical implementation and various convergence tests pertaining to numerical atom-centered orbitals, auxiliary basis sets for the resolution-of-identity formalism, and Brillouin zone sampling. Proof-of-principle examples are presented to compare with other formalisms, illustrating the new all-electron BSE@GW method for extended systems.