cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Competences, skills and tasks in today's jobs for linguists: Evidence from a corpus of job advertisements
Creators: name: Ferraresi, Adriano
name: Aragrande, Gaia
name: Barrón-Cedeño, Alberto
name: Bernardini, Silvia
name: Miličević Petrović, Maja
Publisher: name: Zenodo
Year: 2021

description: The corpus-based analysis of job advertisements is part of the UPSKILLS needs analysis. Its objective is twofold. First, it aims to provide an overview of the knowledge, skills and competences mentioned in job posts targeting graduates in language-related degrees or professionals with expertise in this area, as well as of the typical tasks and responsibilities associated with these positions. Second, it aims to provide an initial list of companies at the crossroads between the language sector and the digital sector, which can be involved as stakeholders for the dissemination of UPSKILLS results.
Electron inertia effects in 3D hybrid-kinetic collisionless plasma turbulence
Creators: name: Muñoz, Patricio A.
name: Jain, Neeraj
name: Tabriz, Meisam Farzalipour
name: Rampp, Markus
name: Büchner, Jörg
Publisher: name: arXiv
Year: 2023
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: The effects of the electron inertia on the current sheets that are formed out of kinetic turbulence are relevant to understand the importance of coherent structures in turbulence and the nature of turbulence at the dissipation scales. We investigate this problem by carrying out 3D hybrid-kinetic Particle-in-Cell (PIC) simulations of decaying kinetic turbulence with our CHIEF code. The main distinguishing feature of this code is an implementation of the electron inertia without approximations. Our simulation results show that the electron inertia plays an important role in regulating and limiting the largest values of current density in both real and wavenumber Fourier space, in particular near and, unexpectedly, even above electron scales. In addition, the electric field associated to the electron inertia dominates most of the strongest current sheets. The electron inertia is thus important to accurately describe the properties of current sheets formed in turbulence at electron scales.
description: 34 pages, 10 figures. Revised version. Published in Physics of Plasmas
Peningkatan Hasil Belajar Teks Argumentasi Menggunakan Media Dadu Edukatif Berbasis Culturally Responsive Teaching Pada Kelas XI Ikhwan di SMA IT Izzuddin Palembang
Creators: name: Anggi Suryani, Missriani
Publisher: name: Zenodo
Year: 2024

description: Tujuan penelitian PTK yaitu meningkatkan hasil belajar peserta didik Teks Argumentasi Menggunakan Media Dadu Edukatif Berbasis Culturally Responsive Teaching Pada Kelas XI Ikhwan di SMA IT Izzuddin Palembang. Latar belakang dilakukannya penelitian ini adalah rendahnya hasil belajar peserta didik kelas XI Ikhwan SMA IT Izzuddin Palembang terhadap memahami materi teks argumentasi. Metode penelitian yang digunakan adalah Penelitian Tindakan Kelas (PTK). Berdasarkan hasil penelitian terlihat bahwa ada peningkatan pada hasil belajar peserta didik pada prasiklus 28,57%, Siklus 1 50%, dan Siklus 2 100%. Peningkatan ini menandakan efektivitas metode yang diterapkan dalam siklus 2, seperti penggunaan media dadu edukatif dan pendekatan Culturally Responsive Teaching (CRT), dalam meningkatkan pemahaman peserta didik terhadap materi teks argumentasi.
Keep It Simple: CNN Model Complexity Studies for Interference Classification Tasks
Creators: name: Oyedare, Taiwo
name: Shah, Vijay K.
name: Jakubisin, Daniel J.
name: Reed, Jeffrey H.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Signal Processing (eess.SP)
subject: Machine Learning (cs.LG)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: The growing number of devices using the wireless spectrum makes it important to find ways to minimize interference and optimize the use of the spectrum. Deep learning models, such as convolutional neural networks (CNNs), have been widely utilized to identify, classify, or mitigate interference due to their ability to learn from the data directly. However, there have been limited research on the complexity of such deep learning models. The major focus of deep learning-based wireless classification literature has been on improving classification accuracy, often at the expense of model complexity. This may not be practical for many wireless devices, such as, internet of things (IoT) devices, which usually have very limited computational resources and cannot handle very complex models. Thus, it becomes important to account for model complexity when designing deep learning-based models for interference classification. To address this, we conduct an analysis of CNN based wireless classification that explores the trade-off amongst dataset size, CNN model complexity, and classification accuracy under various levels of classification difficulty: namely, interference classification, heterogeneous transmitter classification, and homogeneous transmitter classification. Our study, based on three wireless datasets, shows that a simpler CNN model with fewer parameters can perform just as well as a more complex model, providing important insights into the use of CNNs in computationally constrained applications.
description: 6 pages, 7 figures, 3 tables
Projective cluster-additive transformation for quantum lattice models
Creators: name: Hörmann, M.
name: Schmidt, K. P.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We construct a projection-based cluster-additive transformation that block-diagonalizes wide classes of lattice Hamiltonians $\mathcal{H}=\mathcal{H}_0 +V$. Its cluster additivity is an essential ingredient to set up perturbative or non-perturbative linked-cluster expansions for degenerate excitation subspaces of $\mathcal{H}_0$. Our transformation generalizes the minimal transformation known amongst others under the names Takahashi's transformation, Schrieffer-Wolff transformation, des Cloiseaux effective Hamiltonian, canonical van Vleck effective Hamiltonian or two-block orthogonalization method. The effective cluster-additive Hamiltonian and the transformation for a given subspace of $\mathcal{H}$, that is adiabatically connected to the eigenspace of $\mathcal{H}_0$ with eigenvalue $e_0^n$, solely depends on the eigenspaces of $\mathcal{H}$ connected to $e_0^m$ with $e_0^m\leq e_0^n$. In contrast, other cluster-additive transformations like the multi-block orthognalization method or perturbative continuous unitary transformations need a larger basis. This can be exploited to implement the transformation efficiently both perturbatively and non-perturbatively. As a benchmark, we perform perturbative and non-perturbative linked-cluster expansions in the low-field ordered phase of the transverse-field Ising model on the square lattice for single spin-flips and two spin-flip bound-states.
description: 28 pages, 5 figures
Multiple description video coding for real-time applications using HEVC
Creators: name: Le, Trung Hieu
name: Antonini, Marc
name: Lambert, Marc
name: Alioua, Karima
Publisher: name: arXiv
Year: 2023
Subjects: subject: Image and Video Processing (eess.IV)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Remote control vehicles require the transmission of large amounts of data, and video is one of the most important sources for the driver. To ensure reliable video transmission, the encoded video stream is transmitted simultaneously over multiple channels. However, this solution incurs a high transmission cost due to the wireless channel's unreliable and random bit loss characteristics. To address this issue, it is necessary to use more efficient video encoding methods that can make the video stream robust to noise. In this paper, we propose a low-complexity, low-latency 2-channel Multiple Description Coding (MDC) solution with an adaptive Instantaneous Decoder Refresh (IDR) frame period, which is compatible with the HEVC standard. This method shows better resistance to high packet loss rates with lower complexity.
description: Accepted at IEEE ICIP 2023
Data and code for "Trophic Position determines the Persistence of Neotropical Understory Birds after Forest Disturbance"
Creators: name: Paces, Bernhard
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 310308
subject: Terrestrial ecology

description: Habitat loss and degradation are key drivers of the current biodiversity crisis. Most research focuses on the question of which traits allow species to persist in degraded habitats while others do not. We asked whether a species’ trophic position or niche breadth influences the resilience of species in degraded habitats, and to what extent habitat degradation affects the trophic interactions between species. Here, we used nitrogen isotope ratios (15N:14N, expressed as δ15N value) to quantify and compare trophic positions and niche widths of understory bird species inhabiting old-growth and young secondary forests in the Pacific lowlands of Costa Rica. We found that a species’ trophic position rather than its trophic niche width determined its persistence in disturbed secondary forests. Species feeding at lower trophic levels in old-growth forests were less likely to persist in secondary forests than those occupying a higher trophic position in old-growth forests. This pattern is likely induced by the occurrence of relatively large-bodied habitat specialists with a flexible and high-trophic level diet in secondary forests. These habitat specialists likely caused generalist bird species to lower their trophic position relative to conspecifics in old-growth forests. This is the first study to show a systematic effect of trophic position on the persistence of a wide range of bird species in a disturbed forest ecosystem. It therefore provides important insights into species’ responses to habitat degradation and the conservation value of secondary forests. In order to improve habitat quality for old-growth forest birds and to facilitate avian seed dispersal of old-growth forest plants, the creation of large contiguous forest patches should be prioritized when implementing reforestation measures.
Non-Fermi-Liquid Behavior of Superconducting SnH$_4$
Creators: name: Troyan, Ivan A.
name: Semenok, Dmitrii V.
name: Ivanova, Anna G.
name: Sadakov, Andrey V.
name: Zhou, Di
name: Kvashnin, Alexander G.
name: Kruglov, Ivan A.
name: Sobolevskiy, Oleg A.
name: Lyubutina, Marianna V.
name: Perekalin, Dmitry S.
name: Helm, Toni
name: Tozer, Stanley W.
name: Bykov, Maxim
name: Goncharov, Alexander F.
name: Pudalov, Vladimir M.
name: Lyubutin, Igor S.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We studied chemical interaction of Sn with H$_2$ by X-ray diffraction methods at pressures of 180-210 GPa. A previously unknown tetrahydride SnH$_4$ with a cubic structure (${fcc}$) exhibiting superconducting properties below ${T}$$_C$ = 72 K was obtained; the formation of a high molecular ${C2/m}$-SnH$_{14}$ superhydride and several lower hydrides, ${fcc}$ SnH$_2$ and ${C2}$-Sn$_{12}$H$_{18}$, was also detected. The temperature dependence of critical current density ${J}$$_C$(T) in SnH$_4$ yields the superconducting gap 2$Δ$(0) = 23 meV at 180 GPa. SnH$_4$ has unusual behavior in strong magnetic fields: ${B,T}$-linear dependences of magnetoresistance and the upper critical magnetic field ${B}$$_{C2}$(T) $\propto$ (${T}$$_C$ - ${T}$). The latter contradicts the Wertheimer-Helfand-Hohenberg model developed for conventional superconductors. Along with this, the temperature dependence of electrical resistance of ${fcc}$ SnH$_4$ in non-superconducting state exhibits a deviation from what is expected for phonon-mediated scattering described by the Bloch-Grüneisen model, and is beyond the framework of the Fermi liquid theory. Such anomalies occur for many superhydrides, making them much closer to cuprates than previously believed.
description: Additional acknowledgments are made, one more co-author has been added, equations of the Talantsev-Tallon model have been added and clarified. They were used to obtain the superconducting gap from the V-I characteristics. We also added cif files of tin hydrides to SI
Model dependence of the number of participant nucleons and observable consequences in heavy-ion collisions
Creators: name: Kuttan, Manjunath Omana
name: Steinheimer, Jan
name: Zhou, Kai
name: Bleicher, Marcus
name: Stoecker, Horst
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The centrality determination and the estimated fluctuations of number of participant nucleons $N_{part}$ in Au-Au collisions at 1.23 $A$GeV beam kinetic energy suffers from severe model dependencies. Comparing the Glauber Monte Carlo (MC) and UrQMD transport models, it is shown that $N_{part}$ is a strongly model dependant quantity. In addition, for any given centrality class, Glauber MC and UrQMD predicts drastically different $N_{part}$ distributions. The impact parameter $b$ and the number of charged particles $N_{ch}$ on the other hand are much more correlated and give an almost model independent centrality estimator. It is suggested that the total baryon number balance, from integrated rapidity distributions, can be used instead of $N_{part}$ in experiments. Preliminary HADES data show significant differences to both, UrQMD simulations and STAR data in this respect.
description: Replaced with the published version
How to measure work functions from aqueous solutions
Creators: name: Pugini, Michele
name: Credidio, Bruno
name: Walter, Irina
name: Malerz, Sebastian
name: Trinter, Florian
name: Stemer, Dominik
name: Hergenhahn, Uwe
name: Meijer, Gerard
name: Wilkinson, Iain
name: Winter, Bernd
name: Thürmer, Stephan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: The recent application of concepts from condensed-matter physics to photoelectron spectroscopy (PES) of volatile, liquid-phase systems has enabled the measurement of electronic energetics of liquids on an absolute scale. Particularly, vertical ionization energies, VIEs, of liquid water and aqueous solutions, both in the bulk and at associated interfaces, can now be routinely determined. These IEs are referenced to the local vacuum level, which is the appropriate quantity for condensed matter with associated surfaces, including liquids. Here, we connect this newly accessible energy level to another important surface property, namely, the solution work function, e$Φ_{liq}$. We lay out the prerequisites for and unique challenges of determining e$Φ$ of aqueous solutions and liquids in general. We demonstrate - for a model aqueous solution with a tetra-n-butylammonium iodide (TBAI) surfactant solute - that concentration-dependent work functions, associated with the surface dipoles generated by the segregated interfacial layer of TBA$^+$ and I$^-$ions, can be accurately measured under controlled conditions. We detail the nature of surface potentials, uniquely tied to the nature of the flowing-liquid sample, which must be eliminated or quantified to enable such measurements. This allows us to refer measured spectra of aqueous solutions to the Fermi level and quantitatively assign surfactant concentration-dependent spectral shifts to competing work function and electronic-structure effects, the latter determining, e.g., (electro)chemical reactivity. We describe the extension of liquid-jet PES to quantitatively access concentration-dependent surface descriptors that have so far been restricted to solid-phase measurements. These studies thus mark the beginning of a new era in the characterization of the interfacial electronic structure of aqueous solutions and liquids more generally.
description: Main manuscript: 24 pages, 7 figures. Supporting information: 5 pages, 5 figures
Natural language processing to automatically extract the presence and severity of esophagitis in notes of patients undergoing radiotherapy
Creators: name: Chen, Shan
name: Guevara, Marco
name: Ramirez, Nicolas
name: Murray, Arpi
name: Warner, Jeremy L.
name: Aerts, Hugo JWL
name: Miller, Timothy A.
name: Savova, Guergana K.
name: Mak, Raymond H.
name: Bitterman, Danielle S.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation and Language (cs.CL)
subject: FOS: Computer and information sciences

description: Radiotherapy (RT) toxicities can impair survival and quality-of-life, yet remain under-studied. Real-world evidence holds potential to improve our understanding of toxicities, but toxicity information is often only in clinical notes. We developed natural language processing (NLP) models to identify the presence and severity of esophagitis from notes of patients treated with thoracic RT. We fine-tuned statistical and pre-trained BERT-based models for three esophagitis classification tasks: Task 1) presence of esophagitis, Task 2) severe esophagitis or not, and Task 3) no esophagitis vs. grade 1 vs. grade 2-3. Transferability was tested on 345 notes from patients with esophageal cancer undergoing RT. Fine-tuning PubmedBERT yielded the best performance. The best macro-F1 was 0.92, 0.82, and 0.74 for Task 1, 2, and 3, respectively. Selecting the most informative note sections during fine-tuning improved macro-F1 by over 2% for all tasks. Silver-labeled data improved the macro-F1 by over 3% across all tasks. For the esophageal cancer notes, the best macro-F1 was 0.73, 0.74, and 0.65 for Task 1, 2, and 3, respectively, without additional fine-tuning. To our knowledge, this is the first effort to automatically extract esophagitis toxicity severity according to CTCAE guidelines from clinic notes. The promising performance provides proof-of-concept for NLP-based automated detailed toxicity monitoring in expanded domains.
description: 17 pages, 6 tables, 1figure, submiting to JCO-CCI for review
Signature flip in deceleration parameter: A thermodynamic phase transition?
Creators: name: Duary, Tanima
name: Banerjee, Narayan
name: Dasgupta, Ananda
Publisher: name: arXiv
Year: 2023
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using the Hayward-Kodama temperature for the apparent horizon, it is found that matter content in the Universe is not thermodynamically stable, and the entry to the late accelerated expansion is actually a second order phase transition. The cosmological model used for the purpose is one that imitates the $Λ$CDM model, the favoured model for the present Universe.
description: Title has been changed
The Quality-Diversity Transformer: Generating Behavior-Conditioned Trajectories with Decision Transformers
Creators: name: Macé, Valentin
name: Boige, Raphaël
name: Chalumeau, Felix
name: Pierrot, Thomas
name: Richard, Guillaume
name: Perrin-Gilbert, Nicolas
Publisher: name: arXiv
Year: 2023
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: In the context of neuroevolution, Quality-Diversity algorithms have proven effective in generating repertoires of diverse and efficient policies by relying on the definition of a behavior space. A natural goal induced by the creation of such a repertoire is trying to achieve behaviors on demand, which can be done by running the corresponding policy from the repertoire. However, in uncertain environments, two problems arise. First, policies can lack robustness and repeatability, meaning that multiple episodes under slightly different conditions often result in very different behaviors. Second, due to the discrete nature of the repertoire, solutions vary discontinuously. Here we present a new approach to achieve behavior-conditioned trajectory generation based on two mechanisms: First, MAP-Elites Low-Spread (ME-LS), which constrains the selection of solutions to those that are the most consistent in the behavior space. Second, the Quality-Diversity Transformer (QDT), a Transformer-based model conditioned on continuous behavior descriptors, which trains on a dataset generated by policies from a ME-LS repertoire and learns to autoregressively generate sequences of actions that achieve target behaviors. Results show that ME-LS produces consistent and robust policies, and that its combination with the QDT yields a single policy capable of achieving diverse behaviors on demand with high accuracy.
description: 10+7 pages
title: Tree phylogenetic diversity structures multitrophic communities
Creators: name: Staab, Michael
name: Liu, Xiaojuan
name: Assmann, Thorsten
name: Bruelheide, Helge
name: Buscot, François
name: Durka, Walter
name: Erfmeier, Alexandra
name: Klein, Alexandra‐Maria
name: Ma, Keping
name: Michalski, Stefan
name: Wubet, Tesfaye
name: Schmid, Bernhard
name: Schuldt, Andreas
Publisher: name: John Wiley & Sons
Year: 2024

description: 1. Plant diversity begets diversity at other trophic levels. While species richness is the most commonly used measure for plant diversity, the number of evolutionary lineages (i.e. phylogenetic diversity) could theoretically have a stronger influence on the community structure of co‐occurring organisms. However, this prediction has only rarely been tested in complex real‐world ecosystems.
 
2. Using a comprehensive multitrophic dataset of arthropods and fungi from a species‐rich subtropical forest, we tested whether tree species richness or tree phylogenetic diversity relates to the diversity and composition of organisms.
 
3. We show that tree phylogenetic diversity but not tree species richness determines arthropod and fungi community composition across trophic levels and increases the diversity of predatory arthropods but decreases herbivorous arthropod diversity. The effect of tree phylogenetic diversity was not mediated by changed abundances of associated organisms, indicating that evolutionarily more diverse plant communities increase niche opportunities (resource diversity) but not necessarily niche amplitudes (resource amount).
 
4. Our findings suggest that plant evolutionary relatedness structures multitrophic communities in the studied species‐rich forests and possibly other ecosystems at large. As global change non‐randomly threatens phylogenetically distinct plant species, far‐reaching consequences on associated communities are expected.
 
A free Plain Language Summary can be found within the Supporting Information of this article.
Small-$x$ Quark and Gluon Helicity Contributions to the Proton Spin Puzzle
Creators: name: Tawabutr, Yossathorn
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A small-$x$ helicity evolution has been derived in 2016-18 and received an important modification in 2022. This article discusses its general framework and summarizes the recent theoretical developments, including the asymptotic behaviors of helicity PDFs and $g_1$ structure function at small $x$. The latest fits to various polarized scattering data are also discussed. The results from this research program will provide important theoretical inputs for the future polarized small-$x$ measurements at the electron-ion collider (EIC).
description: Proceedings to XXIX Cracow Epiphany Conference; version 2 with minor edits; 13 pages, 0 figures
The Variable CTCF Site from Drosophila melanogaster Ubx Gene is Redundant and Has no Insulator Activity.
Creators: name: Ibragimov, AN
name: Bylino, OV
name: Kyrchanova, OV
name: Shidlovskii, YV
name: White, R
name: Schedl, P
name: Georgiev, PG
Publisher: name: Apollo - University of Cambridge Repository
Year: 2022
Subjects: Biochemistry, Biophysics, and Molecular Biology
insulators
CTCF
Bithorax complex
Ubx

description: CTCF is the most thoroughly studied chromatin architectural protein and it is found in both Drosophila and mammals. CTCF preferentially binds to promoters and insulators and is thought to facilitate formation of chromatin loops. In a subset of sites, CTCF binding depends on the epigenetic status of the surrounding chromatin. One such variable CTCF site (vCTCF) was found in the intron of the Ubx gene, in close proximity to the BRE and abx enhancers. CTCF binds to the variable site in tissues where Ubx gene is active, suggesting that the vCTCF site plays a role in facilitating contacts between the Ubx promoter and its enhancers. Using CRISPR/Cas9 and attP/attB site-specific integration methods, we investigated the functional role of vCTCF and showed that it is not required for normal Drosophila development. Furthermore, a 2161-bp fragment containing vCTCF does not function as an effective insulator when substituted for the Fab-7 boundary in the Bithorax complex. Our results suggest that vCTCF function is redundant in the regulation of Ubx.
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title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: Ð¢Ð°ÑÐ°Ð´Ð°ÐµÐ², Ð¡ÐµÑÐ³ÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð¿Ð¾Ð»ÐµÐ²Ð°Ñ ÑÐ¼Ð¸ÑÑÐ¸Ñ
ÑÐ»Ð¾Ð¸ÑÑÑÐ¹ ÐºÐ°ÑÐ¾Ð´
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description: Ð ÑÐ°ÑÑÐµÑÐ°Ñ Ð¸ Ð² ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐµ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ñ ÑÐ¼Ð¸ÑÑÐ¸Ð¾Ð½Ð½ÑÐµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸ ÐºÐ°ÑÐ¾Ð´Ð¾Ð² Ð½Ð° Ð¾ÑÐ½Ð¾Ð²Ðµ Ð¿Ð°ÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð² Ð³Ð°ÑÐ½Ð¸Ð¹ - Ð¿Ð»Ð°ÑÐ¸Ð½Ð°. ÐÐ¿ÑÐ¸Ð¼Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ð° ÑÑÑÑÐºÑÑÑÐ° Hf - Pt ÐºÐ°ÑÐ¾Ð´Ð¾Ð² Ð¸ Ð¾Ð¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¾ Ð²Ð»Ð¸ÑÐ½Ð¸Ðµ ÑÐ°Ð·Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð±Ð¾Ñ Ð²ÑÑÐ¾Ð´Ð° Ð½Ð° Ð¸Ñ ÑÐ¼Ð¸ÑÑÐ¸Ð¾Ð½Ð½ÑÐµ ÑÐ°ÑÐ°ÐºÑÐµÑÐ¸ÑÑÐ¸ÐºÐ¸. ÐÐ¾Ð»ÑÑÐµÐ½Ð½ÑÐµ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ°Ð»ÑÐ½ÑÐµ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ ÑÐ¾Ð³Ð»Ð°ÑÑÑÑÑÑ Ñ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ°Ð¼Ð¸ ÑÐ°ÑÑÐµÑÐ¾Ð².
title: ÐÐ½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÐµ Ð¿Ð¾Ð»ÐµÐ²ÑÐµ ÑÐ¼Ð¸ÑÑÐµÑÑ Ð´Ð»Ñ Ð²ÑÑÐ¾ÐºÐ¾Ð²Ð¾Ð»ÑÑÐ½ÑÑ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½ÑÑ ÑÑÑÑÐ¾Ð¹ÑÑÐ²
title: Ð°Ð²ÑÐ¾ÑÐµÑ. Ð´Ð¸Ñ. â¦ ÐºÐ°Ð½Ð´. ÑÐ¸Ð·.-Ð¼Ð°Ñ. Ð½Ð°ÑÐº: 01.04.04
titleType: Subtitle
Creators: name: Ð¢Ð°ÑÐ°Ð´Ð°ÐµÐ², ÐÐ²Ð³ÐµÐ½Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð­Ð¼Ð¸ÑÑÐµÑÑ
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description: Ð Ð´Ð¸ÑÑÐµÑÑÐ°ÑÐ¸Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ Ð´Ð²ÑÑÑÐ»Ð¾Ð¹Ð½ÑÐµ Ð½Ð°Ð½Ð¾ÑÑÑÑÐºÑÑÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐµ Ð¼ÐµÑÐ°Ð»Ð»-ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐµ Ð¿Ð¾ÐºÑÑÑÐ¸Ñ Ð´Ð»Ñ Ð¼Ð½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÑ ÐºÑÐµÐ¼Ð½Ð¸ÐµÐ²ÑÑ ÑÑÑÑÐºÑÑÑ, Ð¾Ð±ÐµÑÐ¿ÐµÑÐ¸Ð²Ð°ÑÑÐ¸Ðµ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ðµ Ð¸Ñ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¸Ð¼Ð¾ÑÑÐ¸ Ð¸ Ð¿ÑÐ¾ÑÐ½Ð¾ÑÑÐ¸, Ð° ÑÐ°ÐºÐ¶Ðµ Ð·Ð°ÑÐ¸ÑÑ ÑÑÑÑÐºÑÑÑ Ð¾Ñ ÑÐ°Ð·ÑÑÑÐ°ÑÑÐµÐ³Ð¾ Ð´ÐµÐ¹ÑÑÐ²Ð¸Ñ Ð¸Ð¾Ð½Ð½Ð¾Ð¹ Ð±Ð¾Ð¼Ð±Ð°ÑÐ´Ð¸ÑÐ¾Ð²ÐºÐ¸. ÐÑÐ¾Ð¼Ðµ ÑÐ¾Ð³Ð¾, Ð¿Ð¾Ð»ÑÑÐµÐ½Ñ Ð´Ð°Ð½Ð½ÑÐµ Ð¾ ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ñ Ð¿Ð¾Ð¼Ð¾ÑÑÑ ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ¾Ð·Ð¸Ð¾Ð½Ð½Ð¾Ð¹ Ð¾Ð±ÑÐ°Ð±Ð¾ÑÐºÐ¸ Ð¼Ð½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÑ Ð¼Ð¾Ð»Ð¸Ð±Ð´ÐµÐ½Ð¾Ð²ÑÑ ÑÑÑÑÐºÑÑÑ Ð¸ Ð¸Ñ ÑÑÐ½ÐºÑÐ¸Ð¾Ð½Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ñ Ð·Ð°ÑÐ¸ÑÐ½ÑÐ¼Ð¸ ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐ¼Ð¸ Ð¿Ð¾ÐºÑÑÑÐ¸ÑÐ¼Ð¸. Ð¡Ð¾Ð·Ð´Ð°Ð½Ð½ÑÐµ Ð¸ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð½ÑÐµ Ð¼Ð½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÐµ ÑÑÑÑÐºÑÑÑÑ Ñ ÑÐ°ÐºÐ¸Ð¼Ð¸ Ð¿Ð¾ÐºÑÑÑÐ¸ÑÐ¼Ð¸ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÑÑÑ Ð±Ð¾Ð»ÑÑÐ¾Ð¹ Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ¸Ð¹ Ð¸Ð½ÑÐµÑÐµÑ, ÑÐ°Ðº ÐºÐ°Ðº Ð¼Ð¾Ð³ÑÑ Ð±ÑÑÑ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ñ Ð² ÐºÐ°ÑÐµÑÑÐ²Ðµ ÑÑÐ°Ð±Ð¸Ð»ÑÐ½ÑÑ Ð¸ÑÑÐ¾ÑÐ½Ð¸ÐºÐ¾Ð² Ð¿Ð¾Ð»ÐµÐ²Ð¾Ð¹ ÑÐ¼Ð¸ÑÑÐ¸Ð¸ Ð² Ð²ÑÑÐ¾ÐºÐ¾Ð²Ð¾Ð»ÑÑÐ½ÑÑ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð½ÑÑ Ð¿ÑÐ¸Ð±Ð¾ÑÐ°Ñ, ÑÐ°Ð±Ð¾ÑÐ°ÑÑÐ¸Ñ Ð² ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð¼ Ð²Ð°ÐºÑÑÐ¼Ðµ.
Connecting Simple and Precise P-values to Complex and Ambiguous Realities
Creators: name: Greenland, Sander
Publisher: name: arXiv
Year: 2023
Subjects: subject: Methodology (stat.ME)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Computer and information sciences
subject: FOS: Biological sciences
subject: E.4; F.4; G.3
subject: 62A01, 62B05, 62P10, 62R30, 92B15, 97K40, 97K70, 97K80

description: Mathematics is a limited component of solutions to real-world problems, as it expresses only what is expected to be true if all our assumptions are correct, including implicit assumptions that are omnipresent and often incorrect. Statistical methods are rife with implicit assumptions whose violation can be life-threatening when results from them are used to set policy. Among them are that there is human equipoise or unbiasedness in data generation, management, analysis, and reporting. These assumptions correspond to levels of cooperation, competence, neutrality, and integrity that are absent more often than we would like to believe. Given this harsh reality, we should ask what meaning, if any, we can assign to the P-values, 'statistical significance' declarations, 'confidence' intervals, and posterior probabilities that are used to decide what and how to present (or spin) discussions of analyzed data. By themselves, P-values and CI do not test any hypothesis, nor do they measure the significance of results or the confidence we should have in them. The sense otherwise is an ongoing cultural error perpetuated by large segments of the statistical and research community via misleading terminology. So-called 'inferential' statistics can only become contextually interpretable when derived explicitly from causal stories about the real data generator (such as randomization), and can only become reliable when those stories are based on valid and public documentation of the physical mechanisms that generated the data. Absent these assurances, traditional interpretations of statistical results become pernicious fictions that need to be replaced by far more circumspect descriptions of data and model relations.
description: 26 pages. Appears with comments in Scandinavian Journal of Statistics 2023, issue 3. Main article: Greenland, S. (2023). Divergence vs. decision P-values: A distinction worth making in theory and keeping in practice. Scandinavian Journal of Statistics, 50, 1-35, corrected version at arXiv:2301.02478
title: Ð¤Ð¸Ð·Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ½Ð¾Ð²Ñ Ð¡ÐÐ§-ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð¸ÐºÐ¸
title: [Ð¿ÑÐµÐ·ÐµÐ½ÑÐ°ÑÐ¸Ñ]
titleType: Subtitle
Creators: name: Ð¡Ð¾Ð¼Ð¸Ð½ÑÐºÐ¸Ð¹, ÐÐµÐ½Ð½Ð°Ð´Ð¸Ð¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2020
Subjects: Ð­Ð»ÐµÐºÑÑÐ¾Ð½Ð¸ÐºÐ° ÑÐ²ÐµÑÑ Ð²ÑÑÐ¾ÐºÐ¸Ñ ÑÐ°ÑÑÐ¾Ñ

description: ÐÑÐµÐ´Ð»Ð°Ð³Ð°ÑÑÑÑ Ð´ÐµÐ¼Ð¾Ð½ÑÑÑÐ°ÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ñ Ð² ÑÐ¾ÑÐ¼Ð°ÑÐµ Power Point, Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼ÑÐµ Ð¿ÑÐ¸ ÑÑÐµÐ½Ð¸Ð¸ Ð»ÐµÐºÑÐ¸Ð¹ Ð¿Ð¾ ÐºÑÑÑÑ "Ð¤Ð¸Ð·Ð¸ÑÐµÑÐºÐ¸Ðµ Ð¾ÑÐ½Ð¾Ð²Ñ Ð¡ÐÐ§ ÑÐ»ÐµÐºÑÑÐ¾Ð½Ð¸ÐºÐ¸" Ð´Ð»Ñ ÑÑÑÐ´ÐµÐ½ÑÐ¾Ð² 4-Ð³Ð¾ ÐºÑÑÑÐ° ÐÑÑÑÐµÐ¹ Ð¸Ð½Ð¶ÐµÐ½ÐµÑÐ½Ð¾-ÑÐ¸Ð·Ð¸ÑÐµÑÐºÐ¾Ð¹ ÑÐºÐ¾Ð»Ñ (ÐÐÐ¤Ð¨) ÐÐ¤ÐÐ¸Ð¢. Ð£ÑÐµÐ±Ð½Ð¾Ðµ Ð¿Ð¾ÑÐ¾Ð±Ð¸Ðµ ÑÐ¾Ð´ÐµÑÐ¶Ð¸Ñ 141 ÑÐ»Ð°Ð¹Ð´ Ñ ÑÐ¸ÑÑÐ½ÐºÐ°Ð¼Ð¸ Ð¸ Ð¿Ð¾ÑÑÐ½ÐµÐ½Ð¸ÑÐ¼Ð¸ Ð¾ÑÐ½Ð¾Ð²Ð½Ð¾Ð³Ð¾ ÑÐ¾Ð´ÐµÑÐ¶Ð°Ð½Ð¸Ñ 14 Ð»ÐµÐºÑÐ¸Ð¹. ÐÐµÐ¼Ð¾Ð½ÑÑÑÐ°ÑÐ¸Ñ ÑÐ»Ð°Ð¹Ð´Ð¾Ð² Ð½Ð° ÑÐºÑÐ°Ð½Ðµ Ð¾Ð±Ð»ÐµÐ³ÑÐ°ÐµÑ ÑÑÐ²Ð¾ÐµÐ½Ð¸Ðµ ÑÑÑÐ´ÐµÐ½ÑÐ°Ð¼Ð¸ Ð¸Ð·Ð»Ð°Ð³Ð°ÐµÐ¼ÑÑ Ð² Ð»ÐµÐºÑÐ¸ÑÑ Ð¼Ð°ÑÐµÑÐ¸Ð°Ð»Ð¾Ð².
Mass spectra of hidden heavy-flavor tetraquarks with two and four heavy quarks
Creators: name: Yan, Ting-Qi
name: Zhang, Wen-Xuan
name: Jia, Duojie
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Inspired by the observation of the $X(6900)$ by LHCb and the $X(6600)$ (with mass $6552\pm 10$ $\pm 12$ MeV) recently by CMS and ATLAS experiments of the LHC in the di-$J/Ψ$ invariant mass spectrum, we systemically study masses of all ground-state configurations of the hidden heavy-flavor tetraquarks $q_{1}Q_{2}\bar{q}_{3}\bar{Q}_{4}$ and $Q_{1}Q_{2}\bar{Q}_{3}\bar{Q}_{4}$ ($Q=c,b$;$q=u,d,s$) contaning two and four heavy quarks in the MIT bag model with chromomagnetic interaction and enhanced binding energy. Considering color-spin mixing due to chromomagnetic interaction, our mass computation indicates that the observed $X(6600)$ is likely to be the $0^{++}$ ground states of hidden-charm tetraquark $cc\bar{c}\bar{c}$ with computed masses $6572$ MeV, which has a $0^{++}$ color partner around $6469$ MeV. The fully bottom system of tetraquark $bb\bar{b}\bar{b}$ has masses of 19685 MeV and 19717 MeV for the the $0^{++}$ ground states. Further computation is given to the tetraquark systems $sc\bar{s}\bar{c}$, $sb\bar{s}\bar{b}$, $cb\bar{c}\bar{b}$, $nc\bar{n}\bar{c}$ and $nb\bar{n}\bar{b}$, suggesting that the $Z_{c}(4200)$ is the tetraquark $nc\bar{n}\bar{c}$ with $J^{PC}=1^{+-}$. All of these tetraquarks are above their lowest thresholds of two mesons and unstable against the strong decays.
Fourier expansion in variational quantum algorithms
Creators: name: Nemkov, Nikita A.
name: Kiktenko, Evgeniy O.
name: Fedorov, Aleksey K.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The Fourier expansion of the loss function in variational quantum algorithms (VQA) contains a wealth of information, yet is generally hard to access. We focus on the class of variational circuits, where constant gates are Clifford gates and parameterized gates are generated by Pauli operators, which covers most practical cases while allowing much control thanks to the properties of stabilizer circuits. We give a classical algorithm that, for an $N$-qubit circuit and a single Pauli observable, computes coefficients of all trigonometric monomials up to a degree $m$ in time bounded by $\mathcal{O}(N2^m)$. Using the general structure and implementation of the algorithm we reveal several novel aspects of Fourier expansions in Clifford+Pauli VQA such as (i) reformulating the problem of computing the Fourier series as an instance of multivariate boolean quadratic system (ii) showing that the approximation given by a truncated Fourier expansion can be quantified by the $L^2$ norm and evaluated dynamically (iii) tendency of Fourier series to be rather sparse and Fourier coefficients to cluster together (iv) possibility to compute the full Fourier series for circuits of non-trivial sizes, featuring tens to hundreds of qubits and parametric gates.
description: 10+5 pages, code available at https://github.com/idnm/FourierVQA, comments welcome; v2: +refs, -typos
title: ÐÐ»Ð¸ÑÐ½Ð¸Ðµ Ð°ÐºÑÐ¸Ð²Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð¿Ð¾ÑÐ¾ÐºÐ¾Ð¼ Ð¸Ð¾Ð½Ð¾Ð² ÐºÐ°Ð»Ð¸Ñ Ð½Ð° ÑÐ°Ð±Ð¾ÑÑ Ð¼Ð½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÑ ÐºÑÐµÐ¼Ð½Ð¸ÐµÐ²ÑÑ ÑÐ¼Ð¸ÑÑÐµÑÐ¾Ð² Ñ Ð´Ð²ÑÑ ÑÐ»Ð¾Ð¹Ð½ÑÐ¼Ð¸ Ð¼ÐµÑÐ°Ð»Ð»-ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐ¼Ð¸ Ð¿Ð¾ÐºÑÑÑÐ¸ÑÐ¼Ð¸
title: Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÑÐºÐ°Ñ ÑÐ°Ð±Ð¾ÑÐ°
titleType: Subtitle
Creators: name: ÐÐ°Ð¹ÑÐµÐ²Ð°, ÐÐ½Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2017
Subjects: Ð¿Ð¾Ð»ÐµÐ²Ð°Ñ ÑÐ¼Ð¸ÑÑÐ¸Ñ
ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð²Ð°ÐºÑÑÐ¼
ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐµ Ð¿Ð¾ÐºÑÑÑÐ¸Ñ
ÐºÐ¾Ð»ÑÑÐµÐ²Ð¾Ð¹ ÑÐ¼Ð¸ÑÑÐµÑ

description: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ñ Ð¾Ð´Ð½Ð¾ÑÐ¾Ð´Ð½ÑÐµ Ð¸ ÐºÐ¾Ð»ÑÑÐµÐ²ÑÐµ Ð¼Ð½Ð¾Ð³Ð¾Ð¾ÑÑÑÐ¸Ð¹Ð½ÑÐµ ÐºÑÐµÐ¼Ð½Ð¸ÐµÐ²ÑÐµ Ð¿Ð¾Ð»ÐµÐ²ÑÐµ ÑÐ¼Ð¸ÑÑÐµÑÑ Ñ Ð¼ÐµÑÐ°Ð»Ð»-ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐ¼ Ð¿Ð¾ÐºÑÑÑÐ¸ÐµÐ¼. ÐÐºÑÐ¸Ð²Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¿Ð¾ÐºÑÑÑÐ¸Ñ Ð¸Ð¾Ð½Ð°Ð¼Ð¸ ÐºÐ°Ð»Ð¸Ñ ÑÐ½Ð¸Ð¶Ð°ÐµÑ ÑÐ°Ð±Ð¾ÑÐ¸Ðµ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ, Ð½ÐµÐ¾Ð±ÑÐ¾Ð´Ð¸Ð¼ÑÐµ Ð´Ð»Ñ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð¸Ñ ÑÐ¸ÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð³Ð¾ ÑÐ¾ÐºÐ°, Ð½Ð¾ ÑÐ¼ÐµÐ½ÑÑÐ°ÐµÑ Ð¿ÑÐµÐ´ÐµÐ»ÑÐ½ÑÐµ ÑÐ¾ÐºÐ¸ ÑÐ¼Ð¸ÑÑÐ¸Ð¸. ÐÐ¾ÐºÐ°Ð·Ð°Ð½Ð¾, ÑÑÐ¾ ÑÑÐ»Ð»ÐµÑÐµÐ½Ð¾Ð²ÑÐµ Ð¿Ð¾ÐºÑÑÑÐ¸Ñ Ð·Ð°ÑÐ¸ÑÐ°ÑÑ ÑÐ¼Ð¸ÑÑÐµÑ Ð¾Ñ Ð¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ ÑÐ°ÑÐ¿ÑÐ»ÐµÐ½Ð¸Ñ.
Composite Quantum Phases in Non-Hermitian Systems
Creators: name: Guo, Yuchen
name: Shen, Ruohan
name: Yang, Shuo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Non-Hermitian systems have attracted considerable interest in recent years owing to their unique topological properties that are absent in Hermitian systems. While such properties have been thoroughly characterized in free fermion models, they remain an open question for interacting bosonic systems. In this work, we present a precise definition of quantum phases for non-Hermitian systems and propose a new family of phases referred to as composite quantum phases. We demonstrate the existence of these phases in a one-dimensional spin-$1$ system and show their robustness against perturbations through numerical simulations. Furthermore, we investigate the phase diagram of our model, indicating the extensive presence of these new phases in non-Hermitian systems. Our work establishes a new framework for studying and constructing quantum phases in non-Hermitian interacting systems, revealing exciting possibilities beyond the single-particle picture.
description: 9 pages, 6 figures
DIDACTIC-PEDAGOGICAL CHALLENGES IN UNDERGRADUATE COURSES IN TOURISM IN BRAZIL: INSIGHTS INTO TEACHING DISCOURSES
Creators: name: Anjos Júnior Edwaldo Sérgio Dos
Publisher: name: Современные проблемы сервиса и туризма
Year: 2022
Subjects: UNDERGRADUATE COURSES IN TOURISM
PROFESSORS
TEACHING METHODOLOGIES

description: This work aims to discuss the challenges of Educators of undergraduate courses in tourism in Brazil related to the operationalization of the teaching-learning process of Tourism. Regarding the specific objectives, we aim to: i) identify the main teaching methodologies of Brazilian teachers; ii) identify relevant aspects for teachers about their training path or their professional trajectory of these teachers. The main concepts discussed are related to the reflection on the didactic-pedagogical training of teachers and the teaching methodologies proposed by teachers in undergraduate courses in tourism in Brazil. To achieve the proposed objectives, we opted for a bibliographic and documentary study, and an analysis through analytical tools derived from Discourse Analysis, interviews conducted with 34 professors from 19 undergraduate courses in tourism in Brazil. Our main goal is to contribute to a reflection on the importance of giving more attention to the subject of teacher training of instructors of both undergraduate and postgraduate courses in tourism. The results point to recognition of the absence of formative possibilities in the academic environment and the use of different teaching practices usually centered on written texts and, more recently, on new information and Communication Technologies. This paper is the result of a doctoral study entitled "The audiovisual in higher education instructors' practice in tourism in Brazil: interfaces and tensions with leisure", which was developed in the Interdisciplinary Postgraduate Program in leisure studies of Federal University of Minas Gerais, under the guidance of Professor Christianne Luce Gomes (ANJOS JÚNIOR, 2021).
Acquired-Genetic-Traits-and-Evolution
Creators: name: Afif, Mazin
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 310501
subject: Anthropological genetics
classificationCode: 310404
subject: Evolution of developmental systems
classificationCode: 310503
subject: Developmental genetics (incl. sex determination)
classificationCode: 310505
subject: Gene expression (incl. microarray and other genome-wide approaches)
classificationCode: 310599
subject: Genetics not elsewhere classified

description: This article discusses evolution in the acquisition of the genetic characteristics of the individual. And the acquisition of genetic traits through the energy (e.g., the effect of behavior so when you sitting with individuals who have certain behavioral characteristics, the individual is affected by their qualities involuntarily according to the exchange of energy between the hearts. Darwin's perceptions of evolution occurred in some errors such as that man came from the monkey. It is intended to preserve the human gene in case of extinction away from any quantitative defect that may affect the genetic sequence.
ECONOMIC SOCIOLOGY OF TOURISM DEVELOPMENT IN THE INNER OF MINAS GERAIS STATE (BRAZIL)
Creators: name: Melo-Silva Gustavo
Publisher: name: Современные проблемы сервиса и туризма
Year: 2022
Subjects: SOCIAL RELATIONS
TOURISM DEVELOPMENT
EMBEDDEDNESS

description: Partnerships, arrangements, networks and other organizational relationships are pointed out as possibilities for promoting local development. The focus of this work is on the social immersion in markets of pewter souvenirs, traditional weaving and tourism industry, hotel and accommodation system in the microregion of Campo das Vertentes of Minas Gerais State (Brazil). The markets analyzed, between 2010 and 2020, were socially constructed and became effective through solidarity among individuals and organizations, with operational roles and economic interests immersed in social relations.
Isolating final state effects in high pT pi0 production using direct photons in small system collisions with PHENIX
Creators: name: Firak, Daniel
Publisher: name: Zenodo
Year: 2023
Subjects: qm23
phenix
small systems
energy loss
d+au
p+al
p+au
3he+au
photon
direct photon
π0
centrality
raa
nuclear
modification
cnm effects

description: Talk presented at the Quark Matter 2023 conference
$ν$DoBe -- A Python Tool for Neutrinoless Double Beta Decay
Creators: name: Scholer, Oliver
name: de Vries, Jordy
name: Gráf, Lukáš
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We present $ν$DoBe, a Python tool for the computation of neutrinoless double beta decay ($0νββ$) rates in terms of lepton-number-violating operators in the Standard Model Effective Field Theory (SMEFT). The tool can be used for automated calculations of $0νββ$ rates, electron spectra and angular correlations for all isotopes of experimental interest, for lepton-number-violating operators up to and including dimension 9. The tool takes care of renormalization-group running to lower energies and provides the matching to the low-energy effective field theory and, at lower scales, to a chiral effective field theory description of $0νββ$ rates. The user can specify different sets of nuclear matrix elements from various many-body methods and hadronic low-energy constants. The tool can be used to quickly generate analytical and numerical expressions for $0νββ$ rates and to generate a large variety of plots. In this work, we provide examples of possible use along with a detailed code documentation. The code can be accessed through: GitHub: https://github.com/OScholer/nudobe Online User-Interface: https://nudobe.streamlit.app
description: 79 Pages, 6 Tables, 19 Figures, Download: https://github.com/OScholer/nudobe , Online-Tool: https://nudobe.streamlit.app
METHODOLOGY FOR MEASURING THE TOURISM ECONOMY IN MUNICIPALITIES: RESEARCH APPLIED IN JUIZ DE FORA (BRAZIL)
Creators: name: Oliveira Drielli Raquel Vardieiro De
name: Pimentel Mariana Pereira Chaves
name: Gonçalves Caio César Soares
Publisher: name: Современные проблемы сервиса и туризма
Year: 2022
Subjects: TOURISM
TOURISM ECONOMICS
VALUE ADDED
TOURISM CHARACTERISTIC ACTIVITIES
JUIZ DE FORA

description: Tourism is a challenge in terms of estimating its composition and economic participation due to its complexity and composition of actors from the most diverse production chains. This work seeks to measure the contribution of the tourism sector to the city of Juiz de Fora - MG through the Value Added - VA by Tourism Characteristics Activities - TCAs. Therefore, the publication of Gonçalves et al. (2020), by measuring the participation of tourism at the state level, proved to be of fundamental importance to guide the creation of the method then presented, for the municipal level. So, data from tourism supply side were used, obtained from the System of Regional Accounts - SCR and the Annual Social Information Report - RAIS, both managed and fed by the Brazilian Institute of Geography and Statistics - IBGE and the Ministry of Labor and Social Security, respectively. This measurement was done through the creation of a method that uses equations to calculate the proportionality of municipal data in relation to state data and through the application of a simple rule of three, obtaining the VA at the municipal level. The results showed that the tourism sector represents, on average, 4.55% of the total Gross Value Added in Juiz de Fora and 0.11% of the Gross Value Added in Minas Gerais. The subsector with the largest representation in the number of formal jobs in the TCAs in Juiz de Fora is the Accommodation and Food Industry, whose degree of occupation of formal jobs represents 88.31% in the average of the nine years in relation to the general total of jobs in the sector. However, this subsector represented the lowest average value added per formal employee/year. The greatest contribution in terms of value added, in each of the nine years in the same period, was attributed by Arts, Culture and Leisure activities. Still, it can be stated that, in the municipality, the index of formal jobs in the characteristic activities of tourism, in a certain subsector, is not directly related to its contribution in the VA of the municipality. A decrease in the contribution of the tourism sector to the municipality's economy from 2010 to 2018 was registered, and it was possible to conclude that the tourism sector has been weakening in the period and, therefore, the need for investments that foster this sector becomes urgent.