cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Strongly clustered random graphs via triadic closure: An exactly solvable model
Creators: name: Cirigliano, Lorenzo
name: Castellano, Claudio
name: Baxter, Gareth
name: Timár, Gábor
Publisher: name: arXiv
Year: 2023
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Triadic closure, the formation of a connection between two nodes in a network sharing a common neighbor, is considered a fundamental mechanism determining the clustered nature of many real-world topologies. In this work we define a static triadic closure (STC) model for clustered networks, whereby starting from an arbitrary fixed backbone network, each triad is closed independently with a given probability. Assuming a locally treelike backbone we derive exact expressions for the expected number of various small, loopy motifs (triangles, 4-loops, diamonds and 4-cliques) as a function of moments of the backbone degree distribution. In this way we determine how transitivity and its suitably defined generalizations for higher-order motifs depend on the heterogeneity of the original network, revealing the existence of transitions due to the interplay between topologically inequivalent triads in the network. Furthermore, under reasonable assumptions for the moments of the backbone network, we establish approximate relationships between motif densities, which we test in a large dataset of real-world networks. We find a good agreement, indicating that STC is a realistic mechanism for the generation of clustered networks, while remaining simple enough to be amenable to analytical treatment.
description: 15 pages, 9 figures
Homeopathic Dark Matter, or how diluted heavy substances produce high energy cosmic rays
Creators: name: Cirelli, Marco
name: Gouttenoire, Yann
name: Petraki, Kalliopi
name: Sala, Filippo
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We point out that current and planned telescopes have the potential of probing annihilating Dark Matter (DM) with a mass of O(100) TeV and beyond. As a target for such searches, we propose models where DM annihilates into lighter mediators, themselves decaying into Standard Model (SM) particles. These models allow to reliably compute the energy spectra of the SM final states, and to naturally evade the unitarity bound on the DM mass. Indeed, long-lived mediators may cause an early matter-dominated phase in the evolution of the Universe and, upon decaying, dilute the density of preexisting relics thus allowing for very large DM masses. We compute this dilution in detail and provide results in a ready-to-use form. Considering for concreteness a model of dark U(1) DM, we then study both dilution and the signals at various high energy telescopes observing gamma rays, neutrinos and charged cosmic rays. This study enriches the physics case of these experiments, and opens a new observational window on heavy new physics sectors.
description: 39 pages, 11 figures. v2: reference added, fixed technical issue causing 2 figures not to show properly. v3: BBN constraints amended, conclusions unchanged. Matches published version
Hyperon Physics Results from SELEX
Creators: name: Eschrich, Ivo
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: In parallel to charm hadroproduction the experiment SELEX (E781) at Fermilab is pursuing a rich hyperon physics program. SELEX employs a 600 GeV/c beam consisting of 50% Σ^- and π^- each. The three-stage magnetic spectrometer covering 0.1 <= x_F <= 1.0 features a high-precision silicon vertex system, broad-coverage particle identification using TRD and RICH, and a three-stage lead glass photon calorimeter. First results for the Σ^- charge radius, total (Σ^-)-nucleon cross sections, and a new upper limit for the radiative width of the Σ^-*(1385) are presented.
description: 13 pages, 5 eps figures, LaTeX, uses aipproc.cls. Submitted to AIP, Proceedings of the Workshop on Heavy Quarks at Fixed Target, Fermilab, Oct 10-12, 1998
Mental health crisis in Somalia
Creators: name: Abdullahi, Nor Ahmed
Publisher: name: Zenodo
Year: 2025
Subjects: Mental health crisis in Somalia

description:                                                          Abstract

Somalia is located in eastern Africa on the Horn of Africa; it is bordered by Djibouti to the northwest, Ethiopia to the west, Kenya to the southwest, the Gulf of Aden to the north, and the Indian Ocean to the east. Somalia has an area of246, 201 mi2 (637,657 km2), and the longest coastline on Africa's mainland which is 3,333 kilometers in length. Mogadishu city also known as Hamar is the most populous and capital city of Somalia. Located in the Banadir region on the Indian Ocean coast, it has a population of 2,425,000 residents. Land area:  637,657 km2 242,216 sq. mi (627,339 sq. km). Somalia has an estimated population of around 18.42 million (2024).
Achieving Maximum Utilization in Optimal Time for Learning or Convergence in the Kolkata Paise Restaurant Problem
Creators: name: Biswas, Aniruddha
name: Sinha, Antika
name: Chakrabarti, Bikas K.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: The objective of the KPR agents are to learn themselves in the minimum (learning) time to have maximum success or utilization probability ($f$). A dictator can easily solve the problem with $f = 1$ in no time, by asking every one to form a queue and go to the respective restaurant, resulting in no fluctuation and full utilization from the first day (convergence time $τ= 0$). It has already been shown that if each agent chooses randomly the restaurants, $f = 1 - e^{-1} \simeq 0.63$ (where $e \simeq 2.718$ denotes the Euler number) in zero time ($τ= 0$). With the only available information about yesterday's crowd size in the restaurant visited by the agent (as assumed for the rest of the strategies studied here), the crowd avoiding (CA) strategies can give higher values of $f$ but also of $τ$. Several numerical studies of modified learning strategies actually indicated increased value of $f = 1 - α$ for $α\to 0$, with $τ\sim 1/α$. We show here using Monte Carlo technique, a modified Greedy Crowd Avoiding (GCA) Strategy can assure full utilization ($f = 1$) in convergence time $τ\simeq eN$, with of course non-zero probability for an even larger convergence time. All these observations suggest that the strategies with single step memory of the individuals can never collectively achieve full utilization ($f = 1$) in finite convergence time and perhaps the maximum possible utilization that can be achieved is about eighty percent ($f \simeq 0.80$) in an optimal time $τ$ of order ten, even when $N$ the number of customers or of the restaurants goes to infinity.
description: 9 pages, 6 figures included in manuscript; Accepted for publication in Indian Journal of Physics
Measurement of the $\mathrm{t}\overline{\mathrm{t}}$ production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at $\sqrt{s} =$ 13 TeV
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: A measurement of the top quark-antiquark pair production cross section $σ_{\mathrm{t\overline{t}}}$ in proton-proton collisions at a centre-of-mass energy of 13 TeV is presented. The data correspond to an integrated luminosity of 35.9 fb$^{-1}$, recorded by the CMS experiment at the CERN LHC in 2016. Dilepton events (e$^\pmμ^\mp$, $μ^+μ^-$, e$^+$e$^-$) are selected and the cross section is measured from a likelihood fit. For a top quark mass parameter in the simulation of $m^{\mathrm{MC}}_{\mathrm{t}} =$ 172.5 GeV the fit yields a measured cross section $σ_{\mathrm{t\overline{t}}} =$ 803 $\pm$ 2 (stat) $\pm$ 25 (syst) $\pm$ 20 (lumi) pb, in agreement with the expectation from the standard model calculation at next-to-next-to-leading order. A simultaneous fit of the cross section and the top quark mass parameter in the POWHEG simulation is performed. The measured value of $m^{\mathrm{MC}}_{\mathrm{t}} =$ 172.33 $\pm$ 0.14 (stat) $^{+0.66}_{-0.72}$ (syst) GeV is in good agreement with previous measurements. The resulting cross section is used, together with the theoretical prediction, to determine the top quark mass and to extract a value of the strong coupling constant with different sets of parton distribution functions.
description: Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-17-001 (CMS Public Pages)
Acoustically modulated optical emission of hexagonal boron nitride layers
Creators: name: Iikawa, F.
name: Hernández-Mínguez, A.
name: Aharonovich, I.
name: Nakhaie, S.
name: Liou, Y. -T.
name: Lopes, J. M. J.
name: Santos, P. V.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate the effect of surface acoustic waves on the atomic-like optical emission from defect centers in hexagonal boron nitride layers deposited on the surface of a LiNbO$_3$ substrate. The dynamic strain field of the surface acoustic waves modulates the emission lines resulting in intensity variations as large as 50% and oscillations of the emission energy with an amplitude of almost 1 meV. From a systematic study of the dependence of the modulation on the acoustic wave power, we determine a hydrostatic deformation potential for defect centers in this two-dimensional material of about 40 meV/%. Furthermore, we show that the dynamic piezoelectric field of the acoustic wave could contribute to the stabilization of the optical properties of these centers. Our results show that surface acoustic waves are a powerful tool to modulate and control the electronic states of two-dimensional materials.
Parton Densities from Collider Data
Creators: name: Kosower, David A.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Collider data can play an important role in determining the parton distribution functions of the nucleon. I outline a formalism which makes it possible to use next-to-leading order calculations in such an extraction, while minimizing the amount of numerical computation required.
description: 5 pages, LaTeX/aipproc, presented at DIS '97, Chicago, IL, April 14-18, 1997
MULAN: A Blind and Off-Grid Method for Multichannel Echo Retrieval
Creators: name: Tukuljac, Helena Peic
name: Deleforge, Antoine
name: Gribonval, Rémi
Publisher: name: arXiv
Year: 2018
Subjects: subject: Sound (cs.SD)
subject: Artificial Intelligence (cs.AI)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper addresses the general problem of blind echo retrieval, i.e., given M sensors measuring in the discrete-time domain M mixtures of K delayed and attenuated copies of an unknown source signal, can the echo locations and weights be recovered? This problem has broad applications in fields such as sonars, seismol-ogy, ultrasounds or room acoustics. It belongs to the broader class of blind channel identification problems, which have been intensively studied in signal processing. Existing methods in the literature proceed in two steps: (i) blind estimation of sparse discrete-time filters and (ii) echo information retrieval by peak-picking on filters. The precision of these methods is fundamentally limited by the rate at which the signals are sampled: estimated echo locations are necessary on-grid, and since true locations never match the sampling grid, the weight estimation precision is impacted. This is the so-called basis-mismatch problem in compressed sensing. We propose a radically different approach to the problem, building on the framework of finite-rate-of-innovation sampling. The approach operates directly in the parameter-space of echo locations and weights, and enables near-exact blind and off-grid echo retrieval from discrete-time measurements. It is shown to outperform conventional methods by several orders of magnitude in precision.
Comparing autonomous vehicle acceptance of German residents with and without visual impairments
Creators: name: Kacperski, Celina
name: Kutzner, Florian
name: Vogel, Tobias
Publisher: name: arXiv
Year: 2023
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Connected and autonomous vehicles (CAVs) will greatly impact the lives of individuals with visual impairments, but how they differ in expectations compared to sighted individuals is not clear. The present research reports results based on survey responses from 114 visually impaired participants and 117 panel recruited participants without visual impairments, from Germany. Their attitudes towards autonomous vehicles and their expectations for consequences of wide-spread adoption of CAVs are assessed. Results indicate significantly more positive CAV attitudes in participants with visual impairments compared to those without visual impairments. Mediation analyses indicate that visually impaired individuals' more positive CAV attitudes (compared to sighted individuals') are largely explained by higher hopes for independence, and more optimistic expectations regarding safety and sustainability. Policy makers should ensure accessibility without sacrificing goals for higher safety and lower ecological impact to make CAVs an acceptable inclusive mobility solution.
On the virial coefficients of nonabelian anyons
Creators: name: Polychronakos, Alexios P.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study a system of nonabelian anyons in the lowest Landau level of a strong magnetic field. Using diagrammatic techniques, we prove that the virial coefficients do not depend on the statistics parameter. This is true for all representations of all nonabelian groups for the statistics of the particles and relies solely on the fact that the effective statistical interaction is a traceless operator.
description: 9 pages, 3 eps figures
Radiation induced DNA damage response and resistance in colorectal cancer stem-like cells
Creators: name: Anuja, Kumari
name: Chowdhury, Amit Roy
name: Arka Saha
name: Souvick Roy
name: Rath, Arabinda Kumar
name: Madhabananda Kar
name: Birendranath Banerjee
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biophysics
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: Pharmacology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Plant Biology

description: Purpose: Radiation therapy is an integral part of current treatment modality for colorectal cancer. Recent studies have revealed the presence of cancer stem-like cells (CSCs) population, in different tumors are responsible for therapeutic resistance and disease relapse, including colorectal cancer with poorer survival rate. Hence, characterization of effect of Ionizing Radiation (IR) in colorectal cancer may serve to explain possible mechanisms. Material and Methods: Parental HCT116 and HCT-15cells and derived clonospheres were irradiated and dose was optimized based on cell survival assay and cell cycle analysis. DNA damage response (DDR) was elucidated by γH2AX foci formation, COMET assay and ATM, p-ATM, ERCC1expression post treatment. Expression level of developmental marker (β-catenin), CSC markers (CD44, KLF4) and telomeric components (TRF2, RAP1, hTERT) were evaluated. Results: We observed cell survival was more in clonospheres post irradiation and also exhibited decreased γH2AX foci, olive tail moment, increased ERCC1and p-ATM expression than its parental counterpart which corresponds to efficient DDR. Differential expression of developmental marker, CSC markers and telomeric components were observed after irradiation. Conclusion: This study highlighted the presence of CSC phenotype in clonospheres having increased DNA repair capacity. Differential expression of developmental marker, CSC markers and telomeric components between parental and clonospheres may contribute in radio-resistance property of CSCs.
Open Access With Marburg University - an Overview
Creators: name: Riedl, Lydia
Publisher: name: Zenodo
Year: 2022
Subjects: open science
open access
publishing
green open access
gold open access
diamond open access

description: Gold? Green? Diamond? We clarify about the color mix and learn how the university supports you with all these colors. This short overview about using open repositories and publishing data was part of the Marburg Brainhack 2022. Click here to view the whole project.
Enumerations of lattice animals and trees
Creators: name: Jensen, Iwan
Publisher: name: arXiv
Year: 2000
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We have developed an improved algorithm that allows us to enumerate the number of site animals on the square lattice up to size 46. We also calculate the number of lattice trees up to size 44 and the radius of gyration of both lattice animals and trees up to size 42. Analysis of the resulting series yields an improved estimate, $λ= 4.062570(8)$, for the growth constant of lattice animals, and, $λ_0 = 3.795254(8)$, for the growth constant of trees, and confirms to a very high degree of certainty that both the animal and tree generating functions have a logarithmic divergence. Analysis of the radius of gyration series yields the estimate, $ν= 0.64115(5)$, for the size exponent.
description: 14 pages, 2 eps figures, corrections to some series coefficients and references
Open Access With Marburg University - an Overview
Creators: name: Riedl, Lydia
Publisher: name: Zenodo
Year: 2024
Subjects: open science
open access
publishing
green open access
gold open access
diamond open access

description: Sind Sie beim Recherchieren nach geeigneter Literatur auch schon einmal auf eine Paywall gestoßen? Konnten Sie den
für Sie interessanten Artikel nicht öffnen, weil er nicht frei zugänglich war?
In dieser Coffee Lecture erhalten Sie einen Einblick in den sogenannten "Open Access" speziell für wissenschaftliche
Artikel.
Open Access ermöglicht weltweit den freien Zugriff auf wissenschaftliche Inhalte, ohne finanzielle, rechtliche oder
technische Barrieren.
Wir werden gemeinsam verschiedene Arten von Open Access anschauen. Wir werden erkunden, welche Artikel bereits frei
verfügbar sind und wie Sie ggf. frei verfügbare Versionen von kostenpflichtigen Artikeln finden können. Außerdem
schauen wir uns an, wie Sie als Autor*in Ihre Forschungsergebnisse zur freien Verfügung stellen können.
description: Have you ever come across a paywall while researching suitable literature? Were you unable to open thearticle you were interested in because it was not freely accessible?

In this coffee lecture you will gain an insight into the so-called "open access".Open access enables free access to scientific content worldwide, without financial, legal or technical barriers.We will look at different types of open access together. We will explore which articles are already freelyavailable and how you can find freely available versions of paid articles. In addition we will look at how you as an author can make your research results freely available.
ASI: Accuracy-Stability Index for Evaluating Deep Learning Models
Creators: name: Dai, Wei
name: Berleant, Daniel
Publisher: name: arXiv
Year: 2023
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Information Theory (cs.IT)
subject: Performance (cs.PF)
subject: FOS: Computer and information sciences

description: In the context of deep learning research, where model introductions continually occur, the need for effective and efficient evaluation remains paramount. Existing methods often emphasize accuracy metrics, overlooking stability. To address this, the paper introduces the Accuracy-Stability Index (ASI), a quantitative measure incorporating both accuracy and stability for assessing deep learning models. Experimental results demonstrate the application of ASI, and a 3D surface model is presented for visualizing ASI, mean accuracy, and coefficient of variation. This paper addresses the important issue of quantitative benchmarking metrics for deep learning models, providing a new approach for accurately evaluating accuracy and stability of deep learning models. The paper concludes with discussions on potential weaknesses and outlines future research directions.
description: 6 pages, 3 figures
Dimension-free estimates on $l^2 (\mathbb{Z} ^d)$ for discrete dyadic maximal function over $l^1$ balls: small scales
Creators: name: Niksiński, Jakub
Publisher: name: arXiv
Year: 2023
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: Primary 42B15, Secondary 42B25

description: We give a dimension-free bound on $l^p(\mathbb{Z} ^d)$ for discrete Hardy-Littlewood operator over $l^1$ balls in $\mathbb{Z} ^d$ with small dyadic radii, where $p \in [2, \infty]$.
description: 13 pages, no figures. This is the revised version, incorporating suggestions and simplification from the referees reports. Accepted by the journal Colloquium Mathematicum
Bounding the minimal number of generators of groups and monoids of cellular automata
Creators: name: Castillo-Ramirez, Alonso
name: Sanchez-Alvarez, Miguel
Publisher: name: arXiv
Year: 2019
Subjects: subject: Group Theory (math.GR)
subject: Formal Languages and Automata Theory (cs.FL)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 68Q80, 05E18, 20M20

description: For a group $G$ and a finite set $A$, denote by $\text{CA}(G;A)$ the monoid of all cellular automata over $A^G$ and by $\text{ICA}(G;A)$ its group of units. We study the minimal cardinality of a generating set, known as the rank, of $\text{ICA}(G;A)$. In the first part, when $G$ is a finite group, we give upper bounds for the rank in terms of the number of conjugacy classes of subgroups of $G$. The case when $G$ is a finite cyclic group has been studied before, so here we focus on the cases when $G$ is a finite dihedral group or a finite Dedekind group. In the second part, we find a basic lower bound for the rank of $\text{ICA}(G;A)$ when $G$ is a finite group, and we apply this to show that, for any infinite abelian group $H$, the monoid $\text{CA}(H;A)$ is not finitely generated. The same is true for various kinds of infinite groups, so we ask if there exists an infinite group $H$ such that $\text{CA}(H;A)$ is finitely generated.
description: 12 pages
Two-particle Hadamard walk on dynamically percolated line and circle
Creators: name: Paryzkova, M.
name: Stefanak, M.
name: Novotny, J.
name: Kollar, B.
name: Kiss, T.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Asymptotic dynamics of a Hadamard walk of two non-interacting quantum particles on a dynamically percolated finite line or a circle is investigated. We construct a basis of the attractor space of the corresponding random-unitary dynamics and prove the completeness of our solution. In comparison to the one-particle case, the structure of the attractor space is much more complex, resulting in intriguing asymptotic dynamics. General results are illustrated on two examples. First, for circles of length not divisible by 4 the boundary conditions reduces the number of attractors considerably, allowing for fully analytic solution. Second, we investigate line of length 4 and determine the asymptotic cycle of reduced coin states and position distributions, focusing on the correlations between the two particles. Our results show that a random unitary evolution, which is a combination of quantum dynamics and a classical stochasticity, leads to correlations between initially uncorrelated particles. This is not possible for purely unitary evolution of non-interacting quantum particles. The shared dynamically percolated graph can thus be considered as a weak form of interaction.
Plasma Oscillations in Layered Superconductors
Creators: name: Pokrovsky, Valery L.
Publisher: name: arXiv
Year: 1996
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: This is a Review of experimental observations and theoretical developments on the c-axis plasma oscillations in High-temperature superconductors.
description: LaTex, 21 pages, 4 figures are avalable by a request; to be published in Proccedings of the SPIE Conference on Optic Properties of High-T_c Superconductors, ed. by I. Bozovic and D. van der Marel, 1996
High-throughput mechanotransduction in Drosophila embryos with mesofluidics
Creators: name: Shorr, Ardon
name: Sonmez, Utku
name: Minden, Jonathan
name: Leduc, Philip
Publisher: name: Carnegie Mellon University
Year: 2019
Subjects: subject: Biological Techniques
subject: 29901 Biological Physics
subject: FOS: Biological sciences

description: Developing embryos create complexity by expressing genes to coordinate movement, which generates mechanical force. An emerging theory is that mechanical force can also serve as an input signal to regulate developmental gene expression. Experimental methods to apply mechanical stimulation to whole embryos have been limited, mainly to aspiration, indentation, or moving a coverslip; these approaches stimulate only a few embryos at a time and require manual alignment. A powerful approach for automation is microfluidic devices, which can precisely manipulate hundreds of samples. However, using microfluidics to apply mechanical stimulation has been limited to small cellular systems, with fewer applications for larger scale whole embryos. We developed a mesofluidic device that applies the precision and automation of microfluidics to the Drosophila embryo: high-throughput automatic alignment, immobilization, compression, real-time imaging, and recovery of hundreds of live embryos. We then use twist:eGFP embryos to show that the mechanical induction of twist depends on the dose and duration of compression. This device allows us to quantify responses to compression, map the distribution of ectopic twist, and measure embryo stiffness. For building mesofluidic devices, we describe modifications on ultra-thick photolithography, derive an analytical model that predicts the deflection of sidewalls, and discuss parametric calibration. This "mesomechanics" approach combines the high-throughput automation and precision of microfluidics with the biological relevance of live embryos to examine mechanotransduction. These analytical models facilitate the design of future devices to process multicellular organisms such as larvae, organoids, and mesoscale tissue samples.
Advanced Techniques for Multiparton Loop Calculations: A Minireview
Creators: name: Bern, Zvi
name: Dixon, Lance
name: Dunbar, David C.
name: Kosower, David A.
Publisher: name: arXiv
Year: 1997
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present an overview of techniques developed in recent years for the efficient calculation of one-loop multiparton amplitudes, in particular those relying on unitarity and collinear factorization.
description: 5 pages, LaTeX/aipproc, presented at DIS '97, Chicago, IL, April 14-18, 1997
МАЛОИНВАЗИВ ТЕРАПИИ ПРИ ЛЕЧЕНИИ ВАРИКОЗНОЙ БОЛЕЗНИ НИЖНИХ КОНЕЧНОСТЕЙ
Creators: name: Ибрагимова, М.А.
name: Эгамов, Ю.С.
Publisher: name: Zenodo
Year: 2024

description: Варикозная болезнь вен нижних конечностей (ВБВНК) – расширение поверхностных вен нижних конечностей. Варикозной расширение вен наблюдается у большого количества людей по всему миру. Варикозное расширение у женщин ибычно появляется  в начале беременности, в тот момент, когда происходит гормональная перестройка. Довольно высокая травматичность традиционных операций при варикозной болезни, длительный период послеоперационной нетрудоспособности, определяют медицинскую и социальную значимость этой проблемы.
Limits on dark matter WIMPs using upward-going muons in the MACRO detector
Creators: name: The MACRO Collaboration
name: al, M. Ambrosio et
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We perform an indirect search for Weakly Interacting Massive Particles (WIMPs) using the MACRO detector to look for neutrino-induced upward-going muons resulting from the annihilation of WIMPs trapped in the Sun and Earth. The search is conducted in various angular cones centered on the Sun and Earth to accommodate a range of WIMP masses. No significant excess over the background from atmospheric neutrinos is seen and limits are placed on the upward-going muon fluxes from Sun and Earth. These limits are used to constrain neutralino particle parameters from supersymmetric theory, including those suggested by recent results from DAMA/NaI.
description: 14 pages, 7 figures, submitted to Phys. Rev. D
INVESTMENT LEVELS IN AGRICULTURAL BUSINESSES SPECIALIZING IN DAIRY CATTLE PRODUCTION IN POLISH FADN REGIONS IN 2004-2016
Creators: name: Bórawski, Piotr
name: Kochanowicz, Zdzisław
name: Kalinowska, Beata
name: Bórawski, Piotr
name: Kochanowicz, Zdzisław
name: Kalinowska, Beata
Publisher: name: Unknown
Year: 2019
Subjects: subject: Agribusiness
subject: Agricultural Finance
subject: investment
subject: milk
subject: FADN

description: Investment levels in agricultural businesses specializing in dairy cattle production in Polish FADN regions were compared based on data for 2004-2016. The analysis included gross and net investments (variables FADN SE516 and SE521) and investment subsidies (variable SE406). The research shows that agricultural holdings specializing in dairy cattle farming in the years 2004-2016 in the FADN Wielkopolska and Śląsk region and in the region of Pomerania and Masuria have reached the level of gross investment per one farm on average annually higher than the average annual level of gross investment in Poland. Farms specializing in dairy cattle farming in the FADN regions of Mazowsze and Podlasie, as well as Małopolska and Pogórze have achieved a lower level of gross investment per farm than on average per year in Poland. The average level of net investment per one agricultural holding specializing in dairy cattle farming in the regions of FADN Wielkopolska and Śląsk, Pomorze and Mazury as well as Mazowsze and Podlasie was of a positive value, whereas in the Małopolska and Pogórze region it was negative. Studies have shown that agricultural farms specializing in dairy cattle farming in the Wielkopolska and Śląsk regions developed the fastest among all farms in Poland, while the fastest growing farms specializing in dairy cattle farming are found in the Małopolska and Pogórze regions.
Physics of Arbitrary Doped Kondo Lattices: from a Commensurate Insulator to a Heavy Luttinger Liquid and a Protected Helical Metal
Creators: name: Tsvelik, A. M.
name: Yevtushenko, O. M.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study one-dimensional Kondo Lattices (KL) which consist of itinerant electrons interacting with Kondo impurities (KI) - localized quantum magnetic moments. We focus on KL with isotropic exchange interaction between electrons and KI and with a high KI density. The latter determines the principal róle of the indirect interaction between KI for the low energy physics. Namely, the Kondo physics becomes suppressed and all properties are governed by spin ordering. We present a first-ever comprehensive analytical theory of such KL at an arbitrary doping and predict a variety of regimes with different electronic phases. They range from commensurate insulators (at filling factors 1/2, 1/4 and 3/4) to metals with strongly interacting conduction electrons (close to these three special cases) to an exotic phase of a helical metal. The helical metals can provide a unique platform for realization of an emergent protection of ballistic transport in quantum wires. We compare out theory with previously obtained numerical results and discuss possible experiments where the theory could be tested.
description: v.2 has been substantially re-written: 9+7 pages, 3 figures; this paper is complementary to the preprint arXiv:1902.01787 and is focused mainly on the phase diagram of the 1D dense Kondo Lattice
Finnish 5th and 6th graders' misconceptions about Artificial Intelligence
Creators: name: Mertala, Pekka
name: Fagerlund, Janne
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computers and Society (cs.CY)
subject: Artificial Intelligence (cs.AI)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Research on children's initial conceptions of AI is in an emerging state, which, from a constructivist viewpoint, challenges the development of pedagogically sound AI-literacy curricula, methods, and materials. To contribute to resolving this need in the present paper, qualitative survey data from 195 children were analyzed abductively to answer the following three research questions: What kind of misconceptions do Finnish 5th and 6th graders' have about the essence AI?; 2) How do these misconceptions relate to common misconception types?; and 3) How profound are these misconceptions? As a result, three misconception categories were identified: 1) Non-technological AI, in which AI was conceptualized as peoples' cognitive processes (factual misconception); 2) Anthropomorphic AI, in which AI was conceptualized as a human-like entity (vernacular, non-scientific, and conceptual misconception); and 3) AI as a machine with a pre-installed intelligence or knowledge (factual misconception). Majority of the children evaluated their AI-knowledge low, which implies that the misconceptions are more superficial than profound. The findings suggest that context-specific linguistic features can contribute to students' AI misconceptions. Implications for future research and AI literacy education are discussed.
The relationship between the number of authors of a publication, its citations and the impact factor of the publishing journal: Evidence from Italy
Creators: name: Abramo, Giovanni
name: D'Angelo, Ciriaco Andrea
Publisher: name: arXiv
Year: 2018
Subjects: subject: Digital Libraries (cs.DL)
subject: FOS: Computer and information sciences

description: Empirical evidence shows that co-authored publications achieve higher visibility and impact. The aim of the current work is to test for the existence of a similar correlation for Italian publications. We also verify if such correlation differs: i) by subject category and macro-area; ii) by document type; iii) over the course of time. The results confirm world-level evidence, showing a consistent and significant linear growth in the citability of a publication with number of co-authors, in almost all subject categories. The effects are more remarkable in the fields of Social Sciences and Art & Humanities than in the Sciences-a finding not so obvious scrutinizing previous studies. Moreover, our results partly disavow the positive association between number of authors and prestige of the journal, as measured by its impact factor.
The Signature of a Windy Radio Supernova Progenitor in a Binary System
Creators: name: Yalinewich, Almog
name: Zwart, Simon Portegies
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Type II supernova progenitors are expected to emit copious amounts of mass in a dense stellar wind prior to the explosion. When the progenitor is a member of a binary, the orbital motion modulates the density of this wind. When the progenitor explodes, the high-velocity ejecta collides with the modulated wind, which in turn produces a modulated radio signal. In this work we derive general analytic relations between the parameters of the radio signal modulations and binary parameter in the limit of large member mass ratio. We use these relations to infer the semi major axis of SN1979c and a lower bound for the mass of the companion. We further constrain the analytic estimates by numerical simulations using the AMUSE framework. In these calculations we simulate the progenitor binary system including the wind and the gravitational effect of a companion star. The simulation output is compared to the observed radio signal in supernova SN1979C. We find that it must have been a binary with an orbital period of about 2000 year. If the exploding star evolved from a $\sim 18 M_{\odot}$ zero-age main-sequence at solar metalicity, we derive a companion mass of $5$ to $12 M_{\odot}$ in an orbit with an eccentricity lower than about 0.8.
Fostering scientific collaboration for improved space weather forecasting
Creators: name: Murray, Sophie
name: FLARECAST Team
name: HELCATS Team
Publisher: name: figshare
Year: 2019
Subjects: subject: Solar System, Solar Physics, Planets and Exoplanets
subject: 20109 Space and Solar Physics
subject: FOS: Physical sciences

description: Talk at AGU Chapman Meeting on Scientific Challenges Pertaining to Space Weather Forecasting Including Extremes, Pasadena, California, USA on 12 February 2019.
High Energy String Scattering in AdS
Creators: name: Alday, Luis F.
name: Hansen, Tobias
name: Nocchi, Maria
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the AdS Virasoro-Shapiro amplitude in the limit of fixed-angle high energy scattering. A recent representation as a world-sheet integral allows to compute the amplitude in this regime by saddle point techniques, very much as in flat space. This result is then compared to a classical scattering computation in AdS and agreement is found. As a byproduct of this comparison we show that AdS curvature corrections exponentiate in the high energy limit.
description: 18 pages, v2: JHEP version
Secular dynamics of binaries in stellar clusters I: general formulation and dependence on cluster potential
Creators: name: Hamilton, Chris
name: Rafikov, Roman R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Orbital evolution of binary systems in dense stellar clusters is important in a variety of contexts: origin of blue stragglers, progenitors of compact object mergers, millisecond pulsars, and so on. Here we consider the general problem of secular evolution of the orbital elements of a binary system driven by the smooth tidal field of an axisymmetric stellar cluster (globular, nuclear, etc.) in which the binary orbits. We derive a secular Hamiltonian (averaged over both the inner Keplerian orbit of the binary and its outer orbit within the cluster) valid to quadrupole order for an arbitrary cluster potential and explore its characteristics. This doubly-averaged 'tidal' Hamiltonian depends on just two parameters, which fully absorb the information about the background cluster potential and the binary's orbit within it: a dimensional parameter $A$ setting the secular timescale, and a dimensionless parameter $Γ$ which determines the phase portrait of the binary's inner orbital evolution. We examine the dependence of $A$ and $Γ$ on cluster potential (both spherical and axisymmetric) and on the binary orbit within the cluster. Our theory reproduces known secular results - such as Lidov-Kozai evolution and the effect of the Galactic tide on Oort Cloud comets - in appropriate limits, but is more general. It provides a universal framework for understanding dynamical evolution of various types of binaries driven by the smooth tidal field of any axisymmetric potential. In a companion paper (Hamilton & Rafikov 2019b) we provide a detailed exploration of the resulting orbital dynamics.
description: 24 pages, 13 figures. Final version accepted for publication in MNRAS
THE RELATIONSHIP BETWEEN ANXIETY  AND PROFESSIONAL MOTIVATION IN TEACHERS
Creators: name: A.E. Elikov
Publisher: name: Zenodo
Year: 2024

description: The article deals with the problem of the relationship between anxiety and professional motivation among teachers. The article presents the results of an empirical study on this issue. Anxiety is a psychological feature that manifests itself in the tendency to often experience a feeling of uncertainty, a sense of danger for minor reasons. Professional motivation is a combination of internal and external driving forces that motivate a person to work. A change in a person's psychological state can lead to an increase or decrease in motivation.
Bose-Einstein condensation and superfluidity of a weakly-interacting photon gas in a nonlinear Fabry-Perot cavity
Creators: name: Tanzini, A.
name: Sorella, S. P.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: A field theoretical framework for the recently proposed photon condensation effect in a nonlinear Fabry-Perot cavity is discussed. The dynamics of the photon gas turns out to be described by an effective 2D Hamiltonian of a complex massive scalar field. Finite size effects are shown to be relevant for the existence of the photon condensate.
description: 9 pages, LateX2e, final version to appear in Phys. Lett. A
Probing CP Violation in Dark Sector through the Electron Electric Dipole Moment
Creators: name: Liu, Jia
name: Nakai, Yuichiro
name: Shigekami, Yoshihiro
name: Song, Muyuan
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The Two Higgs Doublet Model (2HDM) stands as a promising framework for exploring physics beyond the Standard Model (SM). Within this context, we explore the possibility that the two Higgs doublets may serve as a window into CP-violating dark sectors, neutral under the SM gauge groups. Specifically, our focus is on investigating the electric dipole moment (EDM) of the electron, generated solely by CP violation in the dark sector. We present a general formula for the electron EDM, without specifying the structure of the dark sectors, and discuss the current constraints on various dark sector models. It is noteworthy that even in the case of a CP-conserving 2HDM, the resulting electron EDM is capable of reaching the current experimental limit, with CP violation arising exclusively from the dark sectors. Furthermore, we introduce a heavy dark sector (HDS) approximation for the analytic calculation of the EDM, assuming that the dark sector particles are much heavier than the physical states in the 2HDM. This approximation yields simplified analytic results that are consistent with the full numerical calculations.
description: 46 pages, 8 figures, v2: some references and comments are added
Ninalouisa/CMC1-Prediction: Release CMC1 Prediction
Creators: name: Ninalouisa
Publisher: name: Zenodo
Year: 2021

description: Scripts used for: "Using a machine learning approach to predict clinical improvement following surgery for thumb carpometacarpal osteoarthritis", Authors: NL Loos; L Hoogendam; JS Souer; HP Slijper; ER Andrinopoulou; MW Coppieters; the Hand-Wrist Study Group, RW Selles
Robot Design for Everyone: Computational Tools that Democratize the Design of Robots
Creators: name: Desai, Ruta
Publisher: name: Carnegie Mellon University
Year: 2018
Subjects: subject: 91007 Manufacturing Robotics and Mechatronics (excl. Automotive Mechatronics)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: A grand vision in robotics is that of a future wherein robots are integrated in daily human life just as smart phones and computers are today. Such pervasive integration of robots would require faster design and manufacturing of robots that cater to individual needs. For instance, people would be able to obtain customized smart assistant devices such as a home monitor personalized with their child’s favorite fantasy character, a helping hand robot for their specific art project, or a cleaning robot that can clean hard to access spaces of their homes. However, robots of today take years to be created by experts, and are often not customizable. To enable widespread integration of robots, we wish to democratize the robot design process
in order to support rapid creation of custom robots for the people and by the people. In recent years, advances in digital fabrication technologies and the availability
of affordable electronics such as Rasberry Pi, Arduino etc. is enabling rapid creation of smart devices. Unfortunately, currently these technologies are only accessible
to experts because of the skills and domain knowledge needed to build with them. To change this status quo, we present a suite of easy-to-use computational tools for
enabling the design of a broad class of robotic devices that casual users might want to create. In particular, we develop tools for designing physical structure and task-specific
behavior of robotic devices with various form factors and functionalities. The key strengths of our tools include intuitive visual interfaces that can support user-in-theloop
interactive design, parameterized domain-specific models and physics-based simulation that can encode complex design aspects, and efficient algorithms that can
search high-dimensional design spaces at interactive rates for user-preferred solutions. Our tools also automate tedious design steps allowing users to focus on the creative aspects of the design process. Finally, we show how simulation-based feedback and data-driven design can be used to lower the barriers to entry for casual users. We validate our tools by fabricating various prototypes and by conducting
user-studies with novices. In the past, design tools such as those offered by Adobe creative suite and Autodesk
have revolutionized the creation of diverse digital content ranging from images to animation. The tools presented in this thesis take a step towards enabling the same for the domain of robotics.