Tootfinder

Heute Abend in der Manufaktur, 19:30 Uhr in Schorndorf
Michael Blume - Sturmflut der Lügen - Wie wir unsere Demokratie gegen Desinformation wappnen: https://www.club-manufaktur.de/event/sturm

Sturmflut der Lügen – Wie wir unsere Gesellschaft gegen Desinformation wappnen – Referent – Michael Blume - Club Manufaktur e.V. aus Schorndorf
Das digitale Zeitalter hat eine neue Generation von Verschwörungsmythen, Fake Facts und Desinformationen hervorgebracht, die unsere Demokratie, ja uns alle herausfordern und bedrohen. Egal ob Coronapandemie, Energiekrise oder der russische Angriffskrieg: Krisenzeiten begünstigen Verschwörungsglauben und wo Verschwörungsmythen sich verbreiten, ist Antisemitismus nie weit. Wenn die Pest kam, brannten die Synagogen. Es erschien stets einfacher, andere anzugreifen als mit einer diffusen Angst v…

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Mehr zu #Ringeltauben:

Parallel spin wave for the Villain model
Paul Dario, Wei Wu
https://arxiv.org/abs/2507.04098 https://arxiv.org/pdf/2507.04098

Parallel spin wave for the Villain model
In this paper, we study the Villain model in $\mathbb{Z}^d$ in dimension $d\geq 3$. It is conjectured, that the parallel correlation function in the infinite volume Gibbs state, i.e., the map $$ x \mapsto \langle \cosθ(0) \cosθ(x) \rangle_{μ_{\mathrm{Vil}, β}} -\left( \langle \cosθ(0) \rangle_{μ_{\mathrm{Vil}, β}} \right)^2, $$ decays like $|x|^{-2(d-2)}$ as $|x| \to \infty$ at low temperature. The results of Bricmont, Fontaine, Lebowitz, Lieb, and Spencer (19…

AKEGEN: A LLM-based Tabular Corpus Generator for Evaluating Dataset Discovery in Data Lakes
Zhenwei Dai, Chuan Lei, Asterios Katsifodimos, Xiao Qin, Christos Faloutsos, Huzefa Rangwala
https://arxiv.org/abs/2507.04687

AKEGEN: A LLM-based Tabular Corpus Generator for Evaluating Dataset Discovery in Data Lakes
How to generate a large, realistic set of tables along with joinability relationships, to stress-test dataset discovery methods? Dataset discovery methods aim to automatically identify related data assets in a data lake. The development and evaluation of such solutions for customers from a wide range of business domains, relies on diverse, high quality and domain-specific tabular benchmarks. Large language models (LLMs) are trained on a wide variety of text data, which can provide a strong foun…

On the analytical approach to infinite-mode Boson-Gaussian states
Jorge R. Bola\~nos-Serv\'in, Roberto Quezada, Josu\'e I. Rios-Cangas
https://arxiv.org/abs/2506.04537

On the analytical approach to infinite-mode Boson-Gaussian states
We develop an analytical approach to quantum Gaussian states in infinite-mode representation of the Canonical Commutation Relations (CCR's), using Yosida approximations to define integrability of possibly unbounded observables with respect to a state $ρ$ ($ρ$-integrability). It turns out that all elements of the commutative $*$-algebra generated by a possibly unbounded $ρ$-integrable observable $A$, denoted by $\langle A\rangle$, are normal and $ρ\, $-integrable. Besides, $\langle A\rangle$…

Groups with conjugacy classes of coprime sizes
Rachel D. Camina, Attila Mar\'oti, Emanuele Pacifici, Chris Parker, Kamilla Rekv\'enyi, Jack Saunders, V\'ictor Sotomayor, Gareth Tracey, Martin van Beek
https://arxiv.org/abs/2508.03851

Groups with conjugacy classes of coprime sizes
Suppose that $x$, $y$ are elements of a finite group $G$ lying in conjugacy classes of coprime sizes. We prove that $\langle {x^G} \cap {y^G}\rangle$ is an abelian normal subgroup of $G$ and, as a consequence, that if $x$ and $y$ are $π$-regular elements for some set of primes $π$, then $x^G y^G$ is a $π$-regular conjugacy class in $G$. The latter statement was previously known for $π$-separable groups $G$ and this generalisation permits us to extend several results concerning the common di…

Zeeman Degenerate Sideband Cooling
Qin Qichen, Qi Zhao, M. D. K. Lee, Zhao Zhang, N. Jayjong, K. J. Arnold, M. D. Barrett
https://arxiv.org/abs/2508.02026 https://

Zeeman Degenerate Sideband Cooling
We explore degenerate Raman sideband cooling in which neighboring Zeeman states of a fixed hyperfine level are coupled via a two-photon Raman transition. The degenerate coupling between $|F,m_F\rangle\rightarrow |F,m_F-1\rangle$ facilitates the removal of multiple motional quanta in a single cycle. This method greatly reduces the number of cooling cycles required to reach the ground state compared to traditional sideband cooling. We show that near ground state cooling can be achieved …

Fibonacci Numbers and Model-Complete Axiomatization of Presburger Arithmetic Expanded with a Beatty Sequence
Mohsen Khani, Ali N. Valizadeh, Afshin Zarei
https://arxiv.org/abs/2508.02303

Fibonacci Numbers and Model-Complete Axiomatization of Presburger Arithmetic Expanded with a Beatty Sequence
We introduce a recursive theory that completely axiomatizes the structure $\langle \mathbb{Z},<, +,f,0\rangle$ where $f$ is the function that maps each $x$ to the integer part of $φx $, with $φ$ the golden ratio. We prove that our axiomatization is model-complete in a language expanded with a function which we call the Fibonacci floor function, as defined in the introduction. We also present an improvement of the axiomatization of the structure $\langle \mathbb{Z}, +, f,0\rangle$ already stud…

So ein kleines bisschen Guerilla Gardening kann doch keine Sünde sein, oder? 🤔
Jemand hat anscheinend im Frühjahr am Rand der #Wiese auf einen alten #Maulwurfshügel ein paar #Ringelblumensamen

Gain on ground state of quantum system for truly $\mathcal{PT}$ symmetry
Bing-Bing Liu, Shi-Lei Su
https://arxiv.org/abs/2507.22728 https://arxiv.org/pdf/2…

Gain on ground state of quantum system for truly $\mathcal{PT}$ symmetry
For a truly $\mathcal{PT}$-symmetric quantum system, the conventional non-Hermitian Hamiltonian is $H = H_{\rm drive} -iγ|1\rangle\langle1| + iγ|0\rangle\langle0|$, where $Ω$ and $γ$ are real parameters. The three terms respectively represent coherent coupling, loss (on state $|1\rangle$), and gain (on state $|0\rangle$). However, realizing the gain term $+iγ|0\rangle\langle0|$ has remained an outstanding challenge for quantum system, especially on g…