Tootfinder

Filing: Dell cut 13,000 employees over the last fiscal year, a steeper reduction than initially announced, and had 120K staffers globally as of February 2, 2024 (Brody Ford/Bloomberg)
https://www.bloomberg.com/news/articles/20

Dell Layoffs Hit 13,000 Employees Over The Past Year
Dell Technologies Inc. cut 13,000 employees over the last fiscal year, a steeper reduction in headcount than initially announced.

That must be what you call rugby Š treize
https://www.liberation.fr/sports/rugby/tournoi-des-six-nations-accrochee-par-litalie-13-13-la-france-senfonce-dans-la-crise-20…

Tournoi des six nations : accrochée par l’Italie (13-13), la France s’enfonce dans la crise
Après avoir longtemps mené, les Français se sont fait rattraper au score suite à l’exclusion de Jonathan Danty. Les Bleus voient s’évanouir leurs espoirs, déjà minces après leur défaite face à l’Irlande, de remporter le trophée.

PSA - While #Threads is starting to connect with the #Fediverse, they do not yet have full #ActivityPub integration. Right now:
-If you LIKE a post coming from Threads, the user is notified but only …

Hey I found the one person on Mastodon who thinks that militarized cops beating up peaceful protests are actually a good thing
*block*

Zark
"13"
#byncnd #techno

Suche: mobile Dokumenten-Scanner App, aber nicht Open Note Scanner (nicht auf Calyx installierbar), Android. Gern open source. Unbedingt ohne Account irgendwo oder Transport der Dokumente sonstowohin. Tipps?

Interested in holding Elon Musk accountable for his damage to democracy?
Yesterday a big Ukrainian non-profit asked our media regulator, the FCC, to investigate his fitness to hold Starlink licenses.
Guess what? Republican FCC commish Carr says no.
We should support this.

Mitochondria

Man killed in Nikopol after Russian drone drops explosives on truck: https://benborges.xyz/2024/02/25/man-killed-in.html

Velociraptor > Volocopter

[2024-03-27 Wed (UTC), 13 new articles found for astro-ph.HE High Energy Astrophysical Phenomena]

Navigate text fields with virtual cursor in NVDA:
⌨️ Press E
Navigate text fields with virtual cursor in JAWS:
⌨️ Press E
Navigate text fields with virtual cursor in VoiceOver:
⌨️ Call a friend over and use their hand to help press Caps Lock Ctrl Option ⌘ J

DW (dollar whores)
https://youtu.be/13VtpHk5giE?si=Wkf2L4CcZuIXCg3b

Well, fuck. I’ve always felt like the Serif apps are too good to be true and wondered who and when will ruin them.
The answers are “Canva” and “now”. :(
At least they don’t lie to us like Redis and only promise that nothing changes “today” and no changes to the pricing model are “planned at this time”.
https://<…

A message to our amazing Affinity community
Today marks a momentous new chapter in our journey together.

Thanks to @… I found this product list:
https://www.whathifi.com/best-buys/streaming/best-music-streamers

I did a ton of stuff today, pretty much offline all day... 3 mile bike ride, followed up by a 1 mile walk, then lots of stuff around the house, had Indian food for lunch, saw a movie, and now I've got office work to do for an hour or so. Totally solid weekend day!

#LostBerlin
Verfolgungsfahrt nach Verkehrsunfallflucht - Berlin.de
https://www.berlin.de/polizei/polizeimeldungen/2024/pressemitteilung.1431629.…

Checkliste: Bevor ich ein Produkt kaufe
http://www.tamagothi.de/2019/11/16/checkliste-bevor-ich-ein-produkt-kaufe/

The #Sun's white-light disk is now dominated by Activity Regiom (1)3590 - from https://sdo.gsfc.nasa.gov/assets/img/latest/latest_4096_HMII.jpg

Berdorfer Felsenweg in Luxemburg.

People say that they should teach "filling our your taxes" in school.
My 22 year old did their own taxes this year, and the most difficult part of doing their taxes was "creating a login to the state DOR website in order to submit them", and asking me for where the 1095-C document that I had on their behalf was.
"Doing your taxes" is annoying for many reasons, but the reasons aren't ones that can be resolved by teaching the process in school.

The Special Interest Group on Management of Service Portfolios (SIG-MSP) had their spring meeting on 13 March hosted by DeiC in Copenhagen, Denmark. They discussed #NREN risks and challenges in 2024, #service sharing, and NREN strategies.
Find out more below 👉

Diving into the risks and challenges for NRENs – SIG-MSP meets in Copenhagen | GÉANT CONNECT Online
The Special Interest Group on Management of Service Portfolios (SIG-MSP) had their spring meeting on 13 March hosted by DeiC in Copenhagen, Denmark. They discussed NREN risks and challenges in 2024 and covered topics such as service sharing, cost modelling, and NREN strategies. Martin Bech from the Danish NREN DeiC welcomed everyone warmly to the beautiful

Question for yhe #AnalogPhotography #BelieveInFilm crowd: I seem to get a lot of foaming with Ilfotec LC29 compared to DD-X. Is that a known thing or am I screwing up somewhere? I’m doing gentle inversion agitation, washed everything beforehand to avoid any potentially residual washing agents and also did pre-soaking in water in the tank without any foaming. 🤔

2/ Weil es gerade passt. Vor einigen Monaten habe ich mal Aktivist*innen fotografiert, die gegen Ausbeutung entlang der Lieferketten protestiert haben. Ein Person hatte einen #Puma-Rucksack. Puma wird genau solche Ausbeutung vorgeworfen.
#NoLogo? Logo!
Man kann die Logos übermalen. Schwarzer permanent Marker oder eben Sachen ohne Logo kaufen.
Ich hatte ja mal hier gefragt, wo man logofreie Kleidung kaufen kann. Die Antwort war #Grundstoff. Hab's probiert und bin sehr zufrieden. (Sorry, jetzt gibt's hier doch noch Werbung, aber das ist das einzige Problem, das logo-freie Firmen haben: Niemand kann einfach herausfinden, wo es so tolle schwarze Pullover gibt.)
Hier mein Blog-Post zu Aktivismus, Gedankenlosigkeit und Logos. Puma ist ein schönes Beispiel, aber da gibt es noch mehr. Menschen vom BUND mit Jeep South Africa-Mütze usw. usf.
Auch ein paar lustige Positivbeispiele.
https://hot-climate-topics.net/2022/09/13/no-logo/

I did my 48th(!) intensive #meditation retreat last week, and I hear in Hironari's post something that resonates for me—how much contemplative practice is about a profoundly simple engagement with the living truth.
And I'm reminded too of a line in the 1981 movie "Chariots of Fire," where the Christian sister of an Olympic runner is concerned about him practicing on Sun…

Elon Musk has fully bought into the 'great replacement' (Gaby Del Valle/The Verge)
https://www.theverge.com/2024/3/25/24111405/elon-musk-great-replacement-conspiracy-immigration-don-lemon
http://www.memeorandum.com/240326/p17#a240326p17

Waiting room, doctor's office. Is it possible to OD on '80s music? This stuff is definitely past its expiration date.

i saw a fish, i think! #visdeurbel

These are some of my favourite episodes of @… ever! https://wires.social/@crossed/111992341738552039

Really cool Fango piece on the differences between The Thing film and the book it was based on. Some wild differences, and some good history on the movie. This was a great read.
https://www.fangoria.com/original/the-thing-novel

THE THING: The Novel Features Original Ending
Alan Dean Foster's 1982 novelization solves the mystery of what happened to Nauls and Fuchs and features the original ending.

#goodmorning ✅ Morning walk

Russland meldet Todesopfer durch ukrainischen Beschuss
In der russischen Stadt Kursk soll durch ukrainischen Beschuss ein Mensch ums Leben gekommen sein. Das teilte der Gouverneur der Region Kursk, Roman Starovoit, bei Telegram mit. Durch den Beschuss seien auch Häuser beschädigt worden. Vonseiten der Ukraine gab es keine Bestätigung für den Angriff.
📑

Ukraine-Liveblog: ++ Russland übergibt tote Soldaten an Ukraine ++
Die Ukraine hat von Russland die Körper von 140 getöteten Soldaten zurückerhalten. Russlands Verteidigungsminister Schoigu beteuert, dass Moskau keine Absichten habe, NATO-Gebiet anzugreifen. Alle Entwicklungen im Liveblog.

Wir versuchen, @… zur @… herbeizubeschwören. Zur Opfergabe bieten wir Salz. Is that how it works?

Oh, Mike Pinder has left with the Lost Chord, I hope on a spaceship.
But probably not.
Ave
#MoodyBlues

#audiodusche #gtnmrgn 🚀

I suppose it was always going to require the manufacturers and public charging system providers pushing this to make councils exercise their prerogatives to install on-street charging. Let’s see if anything comes of it.
https://www.vauxhall.co.uk/electric/electr

Heureusement, j’ai trouvé ce bogue sérieux dans le style de citation avant de donner la formation continue…

Looks like Facebook keeps maintaining the tradition of giving borderline cringy names to their internal projects.

Tesla Autopilot feature was involved in 13 fatal crashes, US regulator says
US auto-safety regulators said on Friday that their investigation into Tesla’s Autopilot had identified at least 13 fatal crashes in which the feature had been involved.
The investigation also found the electric carmaker’s claims did not match up with reality.
The National Highway Traffic Safety Administration (NHTSA) disclosed on Friday that during its three-year Autopilot safety investigation, <…

Neue Cybercrime-Inspektionen bei der Polizei NRW | heise online
https://heise.de/-9637906

Neue Cybercrime-Inspektionen bei der Polizei NRW
Die Polizei in Nordrhein-Westfalen rüstet im Kampf gegen Internetkriminalität auf. Es sollen sechs Cybercrime-Inspektionen eingerichtet werden.

'Heartless dictator-sympathizer': Fox News guest turns on #Trump over 'murderous' #Putin - Raw Story
https://www.

'Heartless dictator-sympathizer': Fox News guest turns on Trump over 'murderous' Putin
National Review reporter Caroline Downey faulted Donald Trump after the former president declined to condemn Russian President Vladimir Putin for the death of opposition leader Alexei Navalny.During a Sunday Fox News panel discussion about Trump's remarks, Downey said Trump made a mistake by omittin...

The Marine Museum of the Great Lakes is an amazing place to visit when in #Kingston, ON. The recent acquisition of the SS Keewatin just makes it better. The volunteers who maintain this facility's operations definitely deserve this award.
#GreatLakes

Volunteers of the Great Lakes Museum recognized with Historical Society Award
(Kingston, Ontario) Photo via Great Lakes Museum. The Volunteers of the Great Lakes Museum have been recognized by the Kingston Historical Society for their years of

この曲は後に오승근によって何度も録音されていますが、アルバムへの収録はこれが最初だった筈。 ☞
--
금과 은 - 떠나는 님아
from the album "외기러기/언약" (1978)
Side A Track 3
( 音楽 / 音樂 / 音乐 / 음악 / music )
https://youtu.be/1H4Y58xa0pg

404 Media Now Has a Full Text RSS Feed https://www.404media.co/404-media-now-has-a-full-text-rss-feed/

A bad package removal after upgrading to Ubuntu Noble somehow deleted /etc/passwd, /etc/group and /etc/shadow... I've rarely had a system so hosed before. I feel like such a n00b again!

Just realised that the only thing I'm using snmpd for now is disk space monitoring, and I'm also running other agents that can do that, so I might as well shut it down…

Oscillations-Aware Frequency Security Assessment via Efficient Worst-Case Frequency Nadir Computation
Yan Jiang, Hancheng Min, Baosen Zhang
https://arxiv.org/abs/2402.16765

Oscillations-Aware Frequency Security Assessment via Efficient Worst-Case Frequency Nadir Computation
Frequency security assessment following major disturbances has long been one of the central tasks in power system operations. The standard approach is to study the center of inertia frequency, an aggregate signal for an entire system, to avoid analyzing the frequency signal at individual buses. However, as the amount of low-inertia renewable resources in a grid increases, the center of inertia frequency is becoming too coarse to provide reliable frequency security assessment. In this paper, we …

There’s actually two fundamentally different types of tech hype:
1. Works
2. Doesn’t work
Both normally have in common that they turn out to not be very useful while having serious, dealbraking drawbacks.
For example:
- VR/AR is 1. (isolating and uncomfortable, makes people sick, lack of “killer app”)
- LLM’s are 2. (lying, produce mediocre output, definitely not intelligent, unsustainably expensive to run)

The US OFAC sanctions 13 entities, including Netex24, and two individuals for aiding Russian nationals' potential sanctions evasion by building crypto services (Timmy Shen/The Block)
https://www.theblock.co/post/284582/us-tre

What would we do without women ?
Still having a bridge ?
Ahh come on that’s sexist.
Yeah i know, and?
https://x.com/ycfederation/status/1772552791279464886?s=61

Young Conservative Federation (@YCFederation) on X
Literally a week ago, the Port of Baltimore put out a video for Women’s History Month which celebrated Women breaking into the “Male Dominated field of Piloting” https://t.co/uYhWLcASac

Thanks to @… I found this product list:
https://www.whathifi.com/best-buys/streaming/best-music-streamers

Norway to allocate $13.7 million for Ukrainian Leopard tank maintenance in Poland: https://benborges.xyz/2024/04/27/norway-to-allocate.html

China is planning a national record 100 orbital #launches in 2024, according to the country’s main space contractor: https://spacenews.com/chinas-2024-space-plans-include-100-launches-and-moon-sample-return-mission/ - the China Aerospace Science and Technology Corporation (CASC) plans around 70 launches to send more than 290 spacecraft into orbit. The remaining launches will be performed by China’s growing commercial launch sector.

Anlässlich des neuen Blogposts freue ich mich nochmal darüber, dass mein Blog hier einen eigenen Account hat, über den ihr nicht nur den Blogpost, sondern auch die Kommentare dazu lesen könnt(et, falls ihr denn wolltet).
-> @…
Leider ohne die Bilder, und die spielen diesmal ausnahmsweise tatsächlich auch eine Rolle. Die dann nur bei anna…

This is a pretty interesting video on the tech industry’s #layoffs phenomenon of the last few years. There seem to be a lot of vague and hand-wavy factors, but the bottom line appears to be:
a. Profit-maximizing to satisfy investors, by reducing payroll that has grown because companies over-hired based on unrealistically rosy projections of growth during the COVID years.
b. Taking money f…

Cosmic-ray Acceleration in Core-Collapse Supernova Remnants with the Wind Termination Shock
Shoma F. Kamijima, Yutaka Ohira
https://arxiv.org/abs/2403.17335

Cosmic-ray Acceleration in Core-Collapse Supernova Remnants with the Wind Termination Shock
We investigate the attainable maximum energy of particles accelerated in the core-collapse supernova remnant (SNR) shock propagating in the free wind region with the Parker-spiral magnetic field, current sheet, and the wind termination shock (WTS) by using test particle simulations. This work focuses on Wolf-Rayet stars as progenitors. The magnetic field amplification in the free wind region (shock upstream region) is not considered in this work. Test particle simulations show that particles es…

Cargo ship hits Baltimore's Key Bridge, bringing it down. Rescuers are looking for people in water (Lea Skene/Associated Press)
https://apnews.com/article/baltimore-bridge-collapse-53169b379820032f832de4016c655d1b
http://www.memeorandum.com/240326/p16#a240326p16

Hey you, I see you right now. I know how you feel. Life sucks right now.
Can I encourage you for a second? This moment will get better. In a year or 2 or 3 you will be in the best possible place ever. Better than you ever thought you deserved.
Today I look back at where I was years ago and I didn’t expect to be where I am now. With someone who I never thought I deserved to be with because I doubted my worth.
Don’t give up. Today sucks, but tomorrow will be better. 💜

Scholz klar gegen "Taurus"-Lieferung
Bundeskanzler Olaf Scholz (SPD) hat der Lieferung von "Taurus"-Marschflugkörpern an die Ukraine zum jetzigen Zeitpunkt eine klare Absage erteilt und dies mit dem Risiko einer Verwicklung Deutschlands in den Krieg begründet.
"Wir dürfen an keiner Stelle und an keinem Ort mit den Zielen, die dieses System erreicht, verknüpft sein", sagte Scholz bei der Chefredaktionskonferenz der Nachrichten…
📑

Ukraine-Liveblog: ++ Macron drängt auf mehr Hilfen für Ukraine ++
Frankreichs Präsident Macron wirbt für mehr Waffen und mehr Mittel für die Ukraine. Polens Regierungschef Tusk hat die Slowakei und Ungarn aufgefordert, ihren Widerstand gegen Militärhilfe für die Ukraine aufzugeben. Der Liveblog vom Montag zum Nachlesen.

L’état des travaux pour le #tramwaylausannois Š l’hauteur du viaduc.

BfDI zu Gesundheitsdatennutzung: Teilweise nicht mal grundlegende IT-Sicherheit | heise online
https://heise.de/-9638269

BfDI zu Gesundheitsdatennutzung: Teilweise nicht mal grundlegende IT-Sicherheit
Erkenntnis auf Basis von Gesundheitsdaten ermöglicht eine bessere Behandlung. Gleichzeitig dürfen sensible Informationen nicht in falsche Hände gelangen.

My daughter was born through #IVF. There’s nothing ‘pro-life’ about the Alabama ruling.
https://www.msnbc.com/opinion/msnbc-opinion/ivf-alabama-sup…

My daughter was born through IVF. There’s nothing ‘pro-life’ about the Alabama ruling.
In its ideological zeal to “protect the unborn,” the Alabama Supreme Court has actually made it more difficult for children to be born.

Trump Media & Technology Group shares jumped up to 58% to hit $78.80 on its trading debut before the Nasdaq briefly halted trading, following the DWAC merger (Bailey Lipschultz/Bloomberg)
https://www.bloomberg.com/news/articles/20

Trump Social Media Firm Soars Ahead of Post-SPAC Deal Debut
Former president Donald Trump’s social media startup is rising ahead of its first session as a publicly traded company after the most high-profile blank-check deal in years.

Assange Extradition Delayed: UK High Court Asks US To Offer 'Assurances' Or Face Limited Appeal https://thedissenter.org/assange-extradition-delayed-uk-high-court-limited-appeal/

Physics-Informed LSTM-Based Delay Compensation Framework for Teleoperated UGVs
Ahmad Abubakar, Yahya Zweiri, AbdelGafoor Haddad, Mubarak Yakubu, Ruqayya Alhammadi, Lakmal Seneviratne
https://arxiv.org/abs/2402.16587

Physics-Informed LSTM-Based Delay Compensation Framework for Teleoperated UGVs
Bilateral teleoperation of low-speed Unmanned Ground Vehicles (UGVs) on soft terrains is crucial for applications like lunar exploration, offering effective control of terrain-induced longitudinal slippage. However, latency arising from transmission delays over a network presents a challenge in maintaining high-fidelity closed-loop integration, potentially hindering UGV controls and leading to poor command-tracking performance. To address this challenge, this paper proposes a novel predictor fr…

確かに "使える" の程度にもよるんだけど、低いな。
https://maidonanews.jp/article/15176845

人を雇うのは難しい！「大学卒」「パソコンを使える」…条件満たす人口割合が驚愕の事実
求人の困難を物語る投稿がSNS上で大きな注目を集めている。 「『人を雇います。大学出てる人～』これで成人人口の50%が脱落します。この感覚は覚えておきましょう。『パソコン使える人～』今度はなんと60%くらい脱落します。特定のソフトの利用経

Okay okay
We are getting close to get answers, kind of 🙄
Look at this thread
https://x.com/ycfederation/status/1772555077036691952?s=61

Young Conservative Federation (@YCFederation) on X
🧵Let’s meet the Commissioners for the Port of Baltimore, starting with Karenthia A Barber. She knows nothing about Ports, but she is a “diversity, equity, inclusion and belonging (DEIB) auditor and consultant”

Norway to allocate $13.7 million for Ukrainian Leopard tank maintenance in Poland: https://benborges.xyz/2024/04/27/norway-to-allocate.html

Suzaku observation of an iron K-shell line in the spiral galaxy NGC 6946
Shigeo Yamauchi, Azusa Inaba, Yumiko Anraku
https://arxiv.org/abs/2403.17300 https…

Suzaku observation of an iron K-shell line in the spiral galaxy NGC 6946
An emission line at ~6.7 keV is attributable to a He-like iron K-shell transition, which indicates existence of a thin thermal plasma with a temperature of several keV. Using Suzaku archival data, we searched for the iron K-line from the spiral galaxy NGC 6946, and found the iron K-line at 6.68+/-0.07 keV at the 3.1 sigma level in the central r<2.'5 region. The iron line luminosity from the central region was estimated to be (2.3+/-1.2)x10^{37} erg s^{-1} at a distance of 5.5 Mpc. The origin of…

Source: Tencent agrees to release some of its most important apps on the Apple Vision Pro (Wayne Ma/The Information)
https://www.theinformation.com/articles/apples-vision-pro-gets-boost-from-chinas-media-kingmaker

Apple’s Vision Pro Gets Boost From China’s Media Kingmaker
When Apple launched the Vision Pro headset, it leaned heavily on its own streaming app, as well as those of Disney and others, to market the headset’s most compelling feature: an immersive video experience. Now Tencent, China’s largest social media, streaming and gaming company, has agreed to ...

Trump loves to play the victim -- NY appeals court bailout shows he's the most coddled person alive (Amanda Marcotte/Salon)
https://www.salon.com/2024/03/26/loves-to-play-the-victim--ny-appeals-bailout-shows-hes-the-most-coddled-person-alive/
http://www.memeorandum.com/240326/p14#a240326p14

Also, “Providence trained staff to aggressively ask for payment from patients who were likely eligible for financial assistance, or simply billed them without determining if they qualified.”
Providence Catholic health care system to pay more than $200 million for unpaid wages

Providence Catholic health care system to pay more than $200 million for unpaid wages
(RNS) — A jury awarded Providence hourly employees in Washington about $98 million in damages, but King County Superior Court Judge Averil Rothrock found that the violations were willful, doubling the total.

Samsung-Backed AI Image Generator Produces Nonconsensual Porn https://www.404media.co/samsung-backed-ai-image-generator-produces-nonconsensual-porn/

State-Augmented Linear Games with Antagonistic Error for High-Dimensional, Nonlinear Hamilton-Jacobi Reachability
Will Sharpless, Yat Tin Chow, Sylvia Herbert
https://arxiv.org/abs/2403.16982

State-Augmented Linear Games with Antagonistic Error for High-Dimensional, Nonlinear Hamilton-Jacobi Reachability
Hamilton-Jacobi Reachability (HJR) is a popular method for analyzing the liveness and safety of a dynamical system with bounded control and disturbance. The corresponding HJ value function offers a robust controller and characterizes the reachable sets, but is traditionally solved with Dynamic Programming (DP) and limited to systems of dimension less than six. Recently, the space-parallelizeable, generalized Hopf formula has been shown to also solve the HJ value with a nearly three-log increase…

The transportation Minister is in full swing.
#baltimore

Chinese government data: iPhone shipments in China fell ~33% YoY to ~2.4M units in February 2024, after dropping 39% YoY to ~5.5M units in January 2024 (Bloomberg)
https://www.bloomberg.com/news/articles/2024-03-26/iph…

Apple (AAPL) iPhone China Shipments Fell About 33% in Feb., State Data Show
Apple Inc. iPhone shipments in China fell about 33% in February from a year earlier, according to official data, extending a slump in demand for the flagship device in its most important overseas market.

Robust integration of fast flavor conversions in classical neutrino transport
Zewei Xiong, Meng-Ru Wu, Manu George, Chun-Yu Lin
https://arxiv.org/abs/2403.17269

Robust integration of fast flavor conversions in classical neutrino transport
The quantum kinetic evolution of neutrinos in dense environments, such as the core-collapse supernovae or the neutron star mergers, can result in fast flavor conversion (FFC), presenting a significant challenge to achieving robust astrophysical modeling of these systems. Recent works that directly simulate the quantum kinetic transport of neutrinos in localized domains have suggested that the asymptotic outcome of FFCs can be modeled by simple analytical prescriptions. In this Letter, we incorp…

Prosecutor's Office: Number of injured in April 25 Russian attack on Kharkiv Oblast rises to 13: https://benborges.xyz/2024/04/26/prosecutors-office-number.html

Key Bridge collapses into Patapsco River in Baltimore after vessel hits support column; state of emergency declared (Baltimore Sun)
https://www.baltimoresun.com/2024/03/26/key-bridge-collapses-into-patapsco/
http://www.memeorandum.com/240326/p15#a240326p15

Sony plans to add a new opt-in Community Game Help feature on the PS5 later in 2024 to automatically create clips that can help other players complete games (Tom Warren/The Verge)
https://www.theverge.com/2024/3/26/24112309/sony-ps5-community-game-help

The PS5 is getting an automatic game clip feature that helps other players
PS5 players will be able to help each other with automatic game clips. These will complement existing hint videos from game developers.

He could never admit he didn't do it all by his little self...
#Trump ‘would’ve lost mind completely’ if #Putin admitted interference, Fiona Hill says | Donald Trump | The Guardian

Spline Trajectory Tracking and Obstacle Avoidance for Mobile Agents via Convex Optimization
Akua Dickson, Christos G. Cassandras, Roberto Tron
https://arxiv.org/abs/2403.16900

Spline Trajectory Tracking and Obstacle Avoidance for Mobile Agents via Convex Optimization
We propose an output feedback control-based motion planning technique for agents to enable them to converge to a specified polynomial trajectory while imposing a set of safety constraints on our controller to avoid collisions within the free configuration space (polygonal environment). To achieve this, we 1) decompose our polygonal environment into different overlapping cells 2) write out our polynomial trajectories as the output of a reference dynamical system with given initial conditions 3) …

Black hole mass estimate in OJ 287 based on the bulk-motion comptonization model
Sergey Kuznetsov, Lev Titarchuk
https://arxiv.org/abs/2403.17267 https://<…

Black hole mass estimate in OJ 287 based on the bulk-motion comptonization model
The multi-wavelength outburst activity in the BL Lacertae source OJ 287 has sparked a lot of controversy about whether the source contains one or two black holes (BHs) and what characteristics of this black hole binary would be. In this article we present the results of analysis of the X-ray flaring activity of OJ 287 using the data of Swift/XRT observations. We discovered that the energy spectra in all spectral states can be adequately fit with the XSPEC BMC model (the Comptonization one). As …

Prosecutor's Office: Number of injured in April 25 Russian attack on Kharkiv Oblast rises to 13: https://benborges.xyz/2024/04/26/prosecutors-office-number.html

'Feeble, Confused And Tired': Donald Trump Torched After Bizarre Gaffe-Filled Appearance (Ed Mazza/HuffPost)
https://www.huffpost.com/entry/trump-feeble-gaffes_n_660263bde4b0269c5d2d12ac
http://www.memeorandum.com/240326/p13#a240326p13

Sources: the US FTC is investigating TikTok over allegedly faulty privacy and data security practices, and could bring a lawsuit or settlement within weeks (Josh Sisco/Politico)
https://www.politico.com/news/2024/03/26/biden-administrat…

The Mass Density of Merging Binary Black Holes Over Cosmic Time
Aryanna Schiebelbein-Zwack, Maya Fishbach
https://arxiv.org/abs/2403.17156 https://<…

The Mass Density of Merging Binary Black Holes Over Cosmic Time
The connection between the binary black hole (BBH) mergers observed by LIGO-Virgo-KAGRA (LVK) and their stellar progenitors remains uncertain. Specifically, the fraction $ε$ of stellar mass that ends up in BBH mergers and the delay time $τ$ between star formation and BBH merger carry information about the astrophysical processes that give rise to merging BBHs. We model the BBH merger rate in terms of the cosmic star formation history, coupled with a metallicity-dependent efficiency $ε$ and a…

State Space Models as Foundation Models: A Control Theoretic Overview
Carmen Amo Alonso, Jerome Sieber, Melanie N. Zeilinger
https://arxiv.org/abs/2403.16899

State Space Models as Foundation Models: A Control Theoretic Overview
In recent years, there has been a growing interest in integrating linear state-space models (SSM) in deep neural network architectures of foundation models. This is exemplified by the recent success of Mamba, showing better performance than the state-of-the-art Transformer architectures in language tasks. Foundation models, like e.g. GPT-4, aim to encode sequential data into a latent space in order to learn a compressed representation of the data. The same goal has been pursued by control theor…

A semi-analytical model for the propagation of a structured jet in a magnetized medium
Leonardo Garcia-Garcia, Diego Lopez-Camara, Davide Lazzati
https://arxiv.org/abs/2403.17086 …

A semi-analytical model for the propagation of a structured jet in a magnetized medium
This study presents a semi-analytical model that models the effects that a static magnetized medium with a tangled field produces in relativistic collimated jets. The model is a first approximation that addresses the magnetic field present in the medium and is based on pressure equilibrium principles between the jet, cocoon, and external medium. A fraction of the ambient medium field is allowed to be entrained in the cocoon. We find that the jet and cocoon properties are affected at high magnet…

Semantic-Aware Remote Estimation of Multiple Markov Sources Under Constraints
Jiping Luo, Nikolaos Pappas
https://arxiv.org/abs/2403.16855 https://<…

Semantic-Aware Remote Estimation of Multiple Markov Sources Under Constraints
This paper studies semantic-aware communication for remote estimation of multiple Markov sources over a lossy and rate-constrained channel. Unlike most existing studies that treat all source states equally, we exploit the semantics of information and consider that the remote actuator has different tolerances for the estimation errors of different states. We aim to find an optimal scheduling policy that minimizes the long-term state-dependent costs of estimation errors under a transmission frequ…

Cosmic hide and seek: the volumetric rate of X-ray quasi-periodic eruptions
R. Arcodia, A. Merloni, J. Buchner, P. Baldini, G. Ponti, A. Rau, Z. Liu, K. Nandra, M. Salvato
https://arxiv.org/abs/2403.17059

Cosmic hide and seek: the volumetric rate of X-ray quasi-periodic eruptions
Multi-wavelength extragalactic nuclear transients, particularly those detectable as multi-messengers, are among the primary drivers for the next-generation observatories. X-ray quasi-periodic eruptions (QPEs) are the most recent and perhaps most peculiar addition to this group. Here, we report a first estimate of the volumetric rate of QPEs based on the first four discoveries with the eROSITA X-ray telescope onboard the Spectrum Roentgen Gamma observatory. Under the assumption, supported by a s…

Energy Efficiency Optimization Method of WDM Visible Light Communication System for Indoor Broadcasting Networks
Dayu Shi, Xun Zhang, Ziqi Liu, Xuanbang Chen, Jianghao Li, Xiaodong Liu, William Shieh
https://arxiv.org/abs/2403.16836

Energy Efficiency Optimization Method of WDM Visible Light Communication System for Indoor Broadcasting Networks
This paper introduces a novel approach to optimize energy efficiency in wavelength division multiplexing (WDM) Visible Light Communication (VLC) systems designed for indoor broadcasting networks. A physics-based LED model is integrated into system energy efficiency optimization, enabling quantitative analysis of the critical issue of VLC energy efficiency: the nonlinear interplay between illumination and communication performance. The optimization jointly incorporates constraints on communicati…

Resource and Mobility Management in Hybrid LiFi and WiFi Networks: A User-Centric Learning Approach
Han Ji, Xiping Wu
https://arxiv.org/abs/2403.16823 http…

Resource and Mobility Management in Hybrid LiFi and WiFi Networks: A User-Centric Learning Approach
Hybrid light fidelity (LiFi) and wireless fidelity (WiFi) networks (HLWNets) are an emerging indoor wireless communication paradigm, which combines the advantages of the capacious optical spectra of LiFi and ubiquitous coverage of WiFi. Meanwhile, load balancing (LB) becomes a key challenge in resource management for such hybrid networks. The existing LB methods are mostly network-centric, relying on a central unit to make a solution for the users all at once. Consequently, the solution needs t…

Scheduling Power-Intensive Operations of Battery Energy Storage Systems and Application to Hybrid Hydropower Plants
Stefano Cassano, Fabrizio Sossan
https://arxiv.org/abs/2403.16821

Scheduling Power-Intensive Operations of Battery Energy Storage Systems and Application to Hybrid Hydropower Plants
Classical schedulers for Battery Energy Storage Systems (BESSs) use static power constraints, assuming that the BESS can provide the rated power at any State-Of-Charge (SOC) level and that these are representative of the underlying physical constraints of the system (BESS voltage and current). Static power constraints, however, can generate unfeasible schedules, especially in power-intensive applications, as demonstrated in this paper. This paper derives a set of alternative constraints for the…

An LLM-Based Digital Twin for Optimizing Human-in-the Loop Systems
Hanqing Yang, Marie Siew, Carlee Joe-Wong
https://arxiv.org/abs/2403.16809 https://

An LLM-Based Digital Twin for Optimizing Human-in-the Loop Systems
The increasing prevalence of Cyber-Physical Systems and the Internet of Things (CPS-IoT) applications and Foundation Models are enabling new applications that leverage real-time control of the environment. For example, real-time control of Heating, Ventilation and Air-Conditioning (HVAC) systems can reduce its usage when not needed for the comfort of human occupants, hence reducing energy consumption. Collecting real-time feedback on human preferences in such human-in-the-loop (HITL) systems, h…

Privacy Preservation by Intermittent Transmission in Cooperative LQG Control Systems
Wenhao Lin, Yuqing Ni, Wen Yang, Chao Yang
https://arxiv.org/abs/2403.16797

Privacy Preservation by Intermittent Transmission in Cooperative LQG Control Systems
In this paper, we study a cooperative linear quadratic Gaussian (LQG) control system with a single user and a server. In this system, the user runs a process and employs the server to meet the needs of computation. However, the user regards its state trajectories as privacy. Therefore, we propose a privacy scheme, in which the user sends data to the server intermittently. By this scheme, the server's received information of the user is reduced, and consequently the user's privacy is preserved. …

Policy Gradient-based Model Free Optimal LQG Control with a Probabilistic Risk Constraint
Arunava Naha, Subhrakanti Dey
https://arxiv.org/abs/2403.16767 ht…

Policy Gradient-based Model Free Optimal LQG Control with a Probabilistic Risk Constraint
In this paper, we investigate a model-free optimal control design that minimizes an infinite horizon average expected quadratic cost of states and control actions subject to a probabilistic risk or chance constraint using input-output data. In particular, we consider linear time-invariant systems and design an optimal controller within the class of linear state feedback control. Three different policy gradient (PG) based algorithms, natural policy gradient (NPG), Gauss-Newton policy gradient (G…

A Blotto Game Approach to Ride-hailing Markets with Electric Vehicles
Marko Maljkovic, Gustav Nilsson, Nikolas Geroliminis
https://arxiv.org/abs/2403.16755

A Blotto Game Approach to Ride-hailing Markets with Electric Vehicles
When a centrally operated ride-hailing company considers to enter a market already served by another company, it has to make a strategic decision about how to distribute its fleet among different regions in the area. This decision will be influenced by the market share the company can secure and the costs associated with charging the vehicles in each region, all while competing with the company already operating in the area. In this paper, we propose a Colonel Blotto-like game to model this dec…