Tootfinder

After the EU fined Google €2.95B, Trump threatens a trade probe, saying the Trump administration "will not allow these discriminatory actions to stand" (Kevin Breuninger/CNBC)
https://www.cnbc.com/2025/09/05/trump-thre

Trump threatens trade probe after 'discriminatory' EU fines against Google, Apple
President Donald Trump threatened to launch a trade investigation to "nullify" Europe's fines against Google and other U.S. tech firms.

After the EU fined Google €2.95B, Trump threatens a trade probe, saying the Trump administration "will not allow these discriminatory actions to stand" (Kevin Breuninger/CNBC)
https://www.cnbc.com/2025/09/05/trump-thre

Trump threatens trade probe after 'discriminatory' EU fines against Google, Apple
President Donald Trump threatened to launch a trade investigation to "nullify" Europe's fines against Google and other U.S. tech firms.

„Made in Europe”? Bei Batterien ist das meist Fehlanzeige. 🪫🇪🇺
Laut einer Studie der Unternehmensberatung Deloitte war Europas Anteil an der weltweiten Batterieproduktion 2024 verschwindend gering: nur 13 Prozent – und selbst diese entfallen zum überwiegenden Teil auf Fabriken chinesischer und südkoreanischer Hersteller.
Zum Artikel:

Feynman-like parameterizations of (anti-)de Sitter Witten diagrams for all masses at any loop order
Aidan Herderschee
https://arxiv.org/abs/2509.02699 https://

Feynman-like parameterizations of (anti-)de Sitter Witten diagrams for all masses at any loop order
Computing correlation functions in curved spacetime is central to both theoretical and experimental efforts, from precision cosmology to quantum simulations of strongly coupled systems. In anti-de Sitter (AdS) and de Sitter (dS) space, the key observables, boundary correlators in AdS and late-time correlators in dS, are obtained via Witten diagram calculations. While formally analogous to flat-space Feynman diagrams, even tree-level Witten diagrams are significantly more complicated due to the …

America Surrenders in the Global Information Wars (Anne Applebaum/The Atlantic)
https://www.theatlantic.com/ideas/archive/2025/09/unilateral-disarmament/684086/?gift=hVZeG3M9DnxL4CekrWGK31xBmCh1VmOV2uCP3VL6kTw&utm_source=copy-link&utm_medium=social&utm_campaign=share
http://www.memeorandum.com/250905/p134#a250905p134

Häufigkeitsverteilung der Bruttoleistung von #Balkonkraftwerk​en in #Deutschland mit Stand vom 04.10.2025.
Unplausible Inbetriebnahmedaten ersetzt, Sonderregelungen nach Solarpaket berücksichtigt.
👉 Zusatzlesestoff: Amortisation automatisch

Effects of intrinsic decoherence in multipartite system subjected to Kerr effect and parametric amplification with quantum correlations and estimation
M. Ibrahim, S. Jamal Anwar, S. Abdel-Khalek, M. Ramzan, M. Khalid Khan
https://arxiv.org/abs/2509.03073

Effects of intrinsic decoherence in multipartite system subjected to Kerr effect and parametric amplification with quantum correlations and estimation
We investigate the interplay between quantum correlations, quantified by the global quantum discord and quantum Fisher information in a multi two-level system interacting with a single mode Fock field. Our model incorporates Kerr like non linearity effects, parametric amplification and intrinsic decoherence.

Prominence: A discriminator of gravitational wave signals
Jo\~ao Gon\c{c}alves, Danny Marfatia, Ant\'onio P. Morais
https://arxiv.org/abs/2509.04384 https://

Prominence: A discriminator of gravitational wave signals
The concept of prominence is familiar to signal engineers, topographers and mountaineers. We introduce Prominence $\mathcal P$ as a discriminator of gravitational wave (GW) signals. We treat black hole and neutron star binaries as astrophysical background sources, and show how $\mathcal P$ can be used to distinguish between GW spectra produced by first-order phase transitions, domain walls and cosmic strings, and combinations thereof. Prominence can also be used to discriminate between these an…

Decoherence mitigation for geometric quantum computation
X. Y. Sun, P. Z. Zhao
https://arxiv.org/abs/2509.03856 https://arxiv.org/pdf/2509.03856

Decoherence mitigation for geometric quantum computation
Geometric phases depend only on the evolution path determined by the closed circuit in the projective Hilbert space but not on evolution details of the quantum system, leading to geometric quantum computation possessing some intrinsic robustness against control errors. Coordinated with dynamical decoupling, geometric quantum computation admits additional resilience to the environment-induced decoherence. However, the previous schemes of geometric quantum computation protected by dynamical decou…

Scalable Entanglement Detection in Quantum Systems via Fisher Linear Discriminant Analysis
Mahmoud Mahdian, Zahra Mousavi
https://arxiv.org/abs/2509.03233 https://

Scalable Entanglement Detection in Quantum Systems via Fisher Linear Discriminant Analysis
Quantum entanglement is the cornerstone of quantum technology and enables quantum devices to outperform classical systems in terms of performance. However, detecting entanglement in high-dimensional systems remains a significant challenge due to the exponential growth of the Hilbert space with the number of particles. In this work, we use machine learning to classify entangled states and separable states, focusing on the application of classical Fisher Linear Discriminant Analysis (FLDA). By ad…