cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Almost periodic mappings to complex manifolds
Creators: name: Favorov, S.
name: Parfyonova, N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Complex Variables (math.CV)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 43A60; 32H99

description: H.Bohr in 1930 proved that if a holomorphic bounded function on a strip is almost periodic on a straight line in the strip, then it is almost periodic on the whole strip. We find some conditions when the result is valid for holomorphic mappings of tube domains to various complex manifolds.
O lugar da autoavaliação na Pós-Graduação: Evolução e perspectivas
Creators: name: Brasil, André
Publisher: name: Zenodo
Year: 2021
Subjects: autoavaliação, pós-graduação

description: Slides utilizados em apresentação no Seminário de Autoavaliação promovido pela Universidade Federal da Fronteira Sul (Santa Catarina, Brasil).
description: {"references": ["VSNU, KNAW and NWO. The Strategy Evaluation Protocol 2021-2027. Available at https://www.vsnu.nl/files/documenten/Domeinen/Onderzoek/SEP_2021-2027.pdf"]}
When Wireless Communications Meet Computer Vision in Beyond 5G
Creators: name: Nishio, Takayuki
name: Koda, Yusuke
name: Park, Jihong
name: Bennis, Mehdi
name: Doppler, Klaus
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: This article articulates the emerging paradigm, sitting at the confluence of computer vision and wireless communication, to enable beyond-5G/6G mission-critical applications (autonomous/remote-controlled vehicles, visuo-haptic VR, and other cyber-physical applications). First, drawing on recent advances in machine learning and the availability of non-RF data, vision-aided wireless networks are shown to significantly enhance the reliability of wireless communication without sacrificing spectral efficiency. In particular, we demonstrate how computer vision enables {look-ahead} prediction in a millimeter-wave channel blockage scenario, before the blockage actually happens. From a computer vision perspective, we highlight how radio frequency (RF) based sensing and imaging are instrumental in robustifying computer vision applications against occlusion and failure. This is corroborated via an RF-based image reconstruction use case, showcasing a receiver-side image failure correction resulting in reduced retransmission and latency. Taken together, this article sheds light on the much-needed convergence of RF and non-RF modalities to enable ultra-reliable communication and truly intelligent 6G networks.
description: 7 pages, 4 figures; This work has been submitted to IEEE Communications Standards Magazine for possible publication
Dispersion relations in finite-boost DSR
Creators: name: Jafari, Nosratollah
name: Good, Michael R. R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We find finite-boost transformations DSR theories in first order of the Planck length $l_p$, by solving differential equations for the modified generators. We obtain corresponding dispersion relations for these transformations, which help us classify the DSR theories via four types. The final type of our classification has the same special relativistic dispersion relation but the transformations are not Lorentz. In DSR theories, the velocity of photons is generally different from the ordinary speed c and possess time delay, however in this new DSR light has the same special relativistic speed with no delay. A special case demonstrates that any search for quantum gravity effects in observations which gives a special relativistic dispersion relation is consistent with DSR.
description: 22 pages
Hadronic forward scattering: Predictions for the Large Hadron Collider and cosmic rays
Creators: name: Block, Martin M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The status of hadron-hadron interactions is reviewed, with emphasis on the forward and near-forward scattering regions. From analyticity, Finite Energy Sum Rules are introduced from which new analyticity constraints are derived that exploit the many very accurate low energy experimental cross sections, i.e., they constrain the values of the asymptotic cross sections and their derivatives at low energies just above the resonance regions, allowing us new insights into duality. A new robust fitting technique is introduced in order to `clean up' large data samples that are contaminated by outliers. Using our analyticity constraints, new methods of fitting high energy hadronic data are introduced which result in much more precise estimates of the fit parameters, allowing accurate extrapolations to much higher energies. It's shown that the $γp$, $π^\pm p$ and nucleon-nucleon cross sections {\em all} go asymptotically as $\ln^2s$, saturating the Froissart bound, while conclusively ruling out $\ln s$ and $s^α$ ($α\sim 0.08$) behavior. Implications of this saturation for predictions of $σ_{pp}$ and $ρ_{pp}$ at the LHC and for cosmic rays p-air cross sections are given.
description: 191 pages, 67 figures, 16 tables; corrected fig. 15
Using jet mass to discover vector quarks at the LHC
Creators: name: Skiba, Witold
name: Tucker-Smith, David
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We illustrate the utility of jet mass distributions as probes of new physics at the LHC, focusing on a heavy vector-quark doublet that mixes with the top as a concrete example. For 1 TeV vector-quark masses, we find that signals with greater than 5 sigma significance can be achieved after 100 fb^-1. More generally, jet mass distributions have the potential to provide signals for heavy states that produce highly boosted weak gauge bosons and/or top quarks.
description: 7pages, 5 figures; references added
Effects of gonadotropins and insulin-like growth factor-I (IGF-I) and IGF-II on steroid production by bovine granulosa cells in vitro
Creators: name: Yang, Ming Yuan
Publisher: name: University of British Columbia
Year: 2009

description: A serum-free culture system for bovine granulosa cells was developed. Effects of follicle-stimulating hormone (FSH), luteinizing hormone (LH), insulin-like growth factor-I (IGF-I), and insulin-like growth factor-II (IGF-II) on steroid production by bovine granulosa cells were determined. Bovine granulosa cells from small (< 5 mm), medium (6-10 mm), and large (>10 mm) follicles were cultured for 48 h. Concentrations of estradiol-17p (E₂) and progesterone (P₄) were measured by radioimmunoassay. For granulosa cells from all classes of follicles, the basal E₂ production was high during day 1 culture. With time of culture, E₂ production decreased dramatically in granulosa cells from all classes of follicles. Estradiol-17ß production increased significantly with increasing follicle size (p < 0.01). Basal P₄ production increased with the time of culture and with increasing follicle size (p < 0.01). These results indicated that a serum-free culture system can support basal granulosa cell steroidogenesis and can be used to study the effects of FSH, LH, IGF-I, and IGF-II on bovine granulosa cell steroidogenesis. Only a low dose of FSH (1 ng/ml) stimulated E 2 production by granulosa cells from medium and large follicles (p < 0.05); high doses of FSH (10, 100 ng/ml) inhibited E₂ production by granulosa cells from large follicles (p < 0.05). Follicle-stimulating hormone stimulated P₄ production from granulosa cells of all classes of follicles (p < 0.05). Luteinizing hormone inhibited E₂ production in medium and large follicles (p < 0.05). Luteinizing hormone increased P₄ production in medium and large follicles (p < 0.05). A high dose of IGF-I (100 ng/ml) increased E₂ production by granulosa cells from medium and large follicles (p < 0.05). Insulin-like growth factor-I increased P₄ production from all categories of follicles. Estradiol-170 production from large follicles decreased in response to IGF-II (10, 100, 500 ng/ml; p < 0.05). A dose of IGF-II (500 ng/ml) inhibited E₂ production by granulosa cells from medium follicles. Insulin-like growth factor-II inhibited P₄ production by granulosa cells from medium and large follicles (p < 0.05). Progsterone production from small follicles was inhibited only at a high dose of IGF-II (500 ng/ml; p < 0.05). In conclusion, FSH, LH, IGF-I, and IGF-II have significant effects on steroid production by bovine granulosa cells from small, medium, and large follicles in culture. The bovine granulosa cell culture system developed in the present study can be used for the further studying the effects of hormones, growth factors and their interactions on bovine granulosa cells.
Path-Dependent Hamilton--Jacobi Equations: The Minimax Solutions Revised
Creators: name: Gomoyunov, Mikhail I.
name: Lukoyanov, Nikolai Yu.
name: Plaksin, Anton R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optimization and Control (math.OC)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: Motivated by optimal control problems and differential games for functional differential equations of retarded type, the paper deals with a Cauchy problem for a path-dependent Hamilton--Jacobi equation with a right-end boundary condition. Minimax solutions of this problem are studied. The existence and uniqueness result is obtained under assumptions that are weaker than those considered earlier. In contrast to previous works, on the one hand, we do not require any properties concerning positive homogeneity of the Hamiltonian in the impulse variable, and on the other hand, we suppose that the Hamiltonian satisfies a Lipshitz continuity condition with respect to the path variable in the uniform (supremum) norm. The progress is related to the fact that a suitable Lyapunov--Krasovskii functional is built that allows to prove a comparison principle. This functional is in some sense equivalent to the square of the uniform norm of the path variable and, at the same time, it possesses appropriate smoothness properties. In addition, the paper provides non-local and infinitesimal criteria of minimax solutions, their stability with respect to perturbations of the Hamiltonian and the boundary functional, as well as consistency of the approach with the non-path-dependent case. Connection of the problem statement under consideration with some other possible statements (regarding the choice of path spaces and derivatives used) known in the theory of path-dependent Hamilton--Jacobi equations is discussed. Some remarks concerning viscosity solutions of the studied Cauchy problem are given.
description: This is a preprint of an article published in Applied Mathematics and Optimization (2021)
Towards a Computed-Aided Diagnosis System in Colonoscopy: Automatic Polyp Segmentation Using Convolution Neural Networks
Creators: name: Brandao, Patrick
name: Zisimopoulos, Odysseas
name: Mazomenos, Evangelos
name: Ciuti, Gastone
name: Bernal, Jorge
name: Visentini-Scarzanella, Marco
name: Menciassi, Arianna
name: Dario, Paolo
name: Koulaouzidis, Anastasios
name: Arezzo, Alberto
name: Hawkes, David J
name: Stoyanov, Danail
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Early diagnosis is essential for the successful treatment of bowel cancers including colorectal cancer (CRC) and capsule endoscopic imaging with robotic actuation can be a valuable diagnostic tool when combined with automated image analysis. We present a deep learning rooted detection and segmentation framework for recognizing lesions in colonoscopy and capsule endoscopy images. We restructure established convolution architectures, such as VGG and ResNets, by converting them into fully-connected convolution networks (FCNs), fine-tune them and study their capabilities for polyp segmentation and detection. We additionally use Shape from-Shading (SfS) to recover depth and provide a richer representation of the tissue's structure in colonoscopy images. Depth is incorporated into our network models as an additional input channel to the RGB information and we demonstrate that the resulting network yields improved performance. Our networks are tested on publicly available datasets and the most accurate segmentation model achieved a mean segmentation IU of 47.78% and 56.95% on the ETIS-Larib and CVC-Colon datasets, respectively. For polyp detection, the top performing models we propose surpass the current state of the art with detection recalls superior to 90% for all datasets tested. To our knowledge, we present the first work to use FCNs for polyp segmentation in addition to proposing a novel combination of SfS and RGB that boosts performance
description: 10 pages, 6 figures
Hadron structure for x << 1 and upcoming collider measurements
Creators: name: Hautmann, F.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss theoretical aspects of parton distribution functions for very high energy scattering in relation with upcoming measurements in DIS and hadron-hadron collisions.
description: Latex. 12 pages. Presented at IX Workshop on Nonperturbative QCD, IAP, Paris, 4-8 June 2007
title: Υπολογιστικές μέθοδοι στην έρευνα και ανάπτυξη καλλυντικών προϊόντων
title: In silico methods as tools in research and development of cosmetic products
titleType: AlternativeTitle
Creators: name: Κούρου, Ιωάννα
Publisher: name: Πανεπιστήμιο Δυτικής Αττικής
Year: 2021
Subjects: Καλλυντικό
Τοξικότητα
Αλλεργίες
Cosmetics
Allergies
In silico
Toxicity

description: The dissertation that follows, with title “In silico methods as tools in research and development of cosmetic products” has as main object the study of some alternative tools, that through computer or computerized environment, they can contribute in the process of research and development of new cosmetics or new ingredients or in the prediction of certain side effects, such as toxicity. The purpose of this project is to inform the reader about the most contemporary form of research in the cosmetics industry, but also about the power of technology nowadays, to eliminate or reduce any animal experimentation, if handled properly by scientists. Furthermore, the outcome will be giving same or even better research results. In the main part of my study an analysis has been made on specific computer methods, that are mainly used in pharmaceutical research. Note that the cosmetics industry has already start to implement those methods as well. Moreover, the advantages and disadvantages of this “new” tool are listed, as well as the ways it can be used to predict toxicity and/or allergy cases.
BOSHLANG'ICH SINFLARDA ONA TILI O'QITISH METODIKASI  FANINI METODIKASINI TAKOMILLASHTIRISH
Creators: name: Kamalova Dilobar Tairovna, Shahrisabz davlat pedagogika instituti  Boshlang'ich ta'lim kafedrasi o'qituvchisi
Publisher: name: Zenodo
Year: 2024

description: Maqolada  ona  tili  o‘qitish  metodikasini  takomillashtirish  asoslari  haqida ma’lumot  berilgan.Ona  tili  o‘qitish  metodikasining  dolzarb  masalalari  yoritilgan. Maqolada tavsifiy metoddan foydalanilgan maqola oxirida xulosa berilgan.
High momentum lepton pairs from jet-plasma interactions
Creators: name: Turbide, Simon
name: Gale, Charles
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss the emission of high momentum lepton pairs (p_T>4 GeV) with low invariant masses (M << p_T) in central Au+Au collisions at RHIC (\sqrt{s_{NN}}=200 GeV). The spectra of dileptons produced through interactions of quark and antiquark jets with the quark-gluon plasma (QGP) have been calculated. Annihilation and Compton scattering processes, as well as processes benefitting from collinear enhancement, including Landau-Pomeranchuk-Migdal (LPM) effects, are calculated and convolved with a one dimensional hydrodynamic expansion. The jet-induced contributions are compared to thermal dilepton emission and Drell-Yan processes, and are found to dominate around p_T=4 GeV.
description: Parallel talk given at QM2006, Shanghai November 2006. 4 pages, 3 figures
Co-occurrence of resonant activation and noise-enhanced stability in a model of cancer growth in the presence of immune response
Creators: name: Fiasconaro, A.
name: Ochab-Marcinek, A.
name: Spagnolo, B.
name: Gudowska-Nowak, E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: We investigate a stochastic version of a simple enzymatic reaction which follows the generic Michaelis-Menten kinetics. At sufficiently high concentrations of reacting species, the molecular fluctuations can be approximated as a realization of a Brownian dynamics for which the model reaction kinetics takes on the form of a stochastic differential equation. After eliminating a fast kinetics, the model can be rephrased into a form of a one-dimensional overdamped Langevin equation. We discuss physical aspects of environmental noises acting in such a reduced system, pointing out the possibility of coexistence of dynamical regimes where noise-enhanced stability and resonant activation phenomena can be observed together.
description: 18 pages, 11 figures, published in Physical Review E 74, 041904 (2006)
Stable commutator length in word-hyperbolic groups
Creators: name: Calegari, Danny
name: Fujiwara, Koji
Publisher: name: arXiv
Year: 2006
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20F32; 57M07

description: In this paper we obtain uniform positive lower bounds on stable commutator length in word-hyperbolic groups and certain groups acting on hyperbolic spaces (namely the mapping class group acting on the complex of curves, and an amalgamated free product acting on the Bass-Serre tree). If G is a word hyperbolic group which is delta hyperbolic with respect to a symmetric generating set S, then there is a positive constant C depending only on delta and on |S| such that every element of G either has a power which is conjugate to its inverse, or else the stable commutator length is at least equal to C. By Bavard's theorem, these lower bounds on stable commutator length imply the existence of quasimorphisms with uniform control on the defects; however, we show how to construct such quasimorphisms directly. We also prove various separation theorems, constructing homogeneous quasimorphisms (again with uniform estimates) which are positive on some prescribed element while vanishing on some family of independent elements whose translation lengths are uniformly bounded. Finally, we prove that the first accumulation point for stable commutator length in a torsion-free word hyperbolic group is contained between 1/12 and 1/2. This gives a universal sense of what it means for a conjugacy class in a hyperbolic group to have a small stable commutator length, and can be thought of as a kind of "homological Margulis lemma".
description: 27 pages, 1 figures; version 4: incorporates referee's suggestions
Influence of initial residual stress on growth and pattern creation for a layered aorta
Creators: name: Du, Yangkun
name: Lü, Chaofeng
name: Destrade, Michel
name: Chen, Weiqiu
Publisher: name: arXiv
Year: 2020
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Residual stress is ubiquitous and indispensable in most biological and artificial materials, where it sustains and optimizes many biological and functional mechanisms. The theory of volume growth, starting from a stress-free initial state, is widely used to explain the creation and evolution of growth-induced residual stress and the resulting changes in shape, and to model how growing bio-tissues such as arteries and solid tumors develop a strategy of pattern creation according to geometrical and material parameters. This modelling provides promising avenues for designing and directing some appropriate morphology of a given tissue or organ and achieve some targeted biomedical function. In this paper, we rely on a modified, augmented theory to reveal how we can obtain growth-induced residual stress and pattern evolution of a layered artery by starting from an existing, non-zero initial residual stress state. We use experimentally determined residual stress distributions of aged bi-layered human aortas and quantify their influence by a magnitude factor. Our results show that initial residual stress has a more significant impact on residual stress accumulation and the subsequent evolution of patterns than geometry and material parameters. Additionally, we provide an essential explanation for growth-induced patterns driven by differential growth coupled to an initial residual stress. Finally, we show that initial residual stress is a readily available way to control growth-induced pattern creation for tissues and thus may provide a promising inspiration for biomedical engineering.
Recidivism among paroled homicide offenders: an examination of the effects of incarceration, social bonds, and offender characteristics
Creators: name: York, Peter
Publisher: name: University of British Columbia
Year: 2009

description: The focus of this study is the sociological explanation of why some adult offenders recidivate while others do not. Specific deterrence (Beccaria, [1764] 1986; Bentham, [1789] 1961) and labeling (Lemert, 1967) theory predict that the severity of punishment has direct, although opposite effects on future criminal behavior. Alternatively, with their life course perspective, Sampson and Laub (1993) argue that it is more important to study the effects of informal mechanisms of social control on criminal behavior. The association between formal and informal mechanisms of social control and criminal behavior is examined with a sample of paroled homicide offenders. Most of these offenders will not recidivate, and follow-up periods vary extensively so survival analysis was chosen as the primary method of analysis. The most important finding in this study is that there is no evidence that longer periods of incarceration serve to deter offenders as predicted by specific deterrence theory. Instead, offenders who are incarcerated for longer periods of time are more likely to recidivate as predicted by Lemert's (1967) secondary deviance hypothesis. The results are partly explained by the fact that offenders who pose a higher risk of recidivating are incarcerated for longer periods of time. Limited support is found for Sampson and Laub's (1993) life course perspective. Married offenders are less likely to return to prison for any reason, but they are just as likely to be convicted of a property or violent crime while on parole. Level of education is not associated with the recidivism of offenders. Two policy issues are addressed in this study. First, homicide offenders present a very low risk of recidivism with 4 - 6% of offenders predicted to return to prison each year because they have been convicted of a property or violent offence. Secondly, risk assessment instruments are very effective at identifying homicide offenders who pose a higher risk of recidivism. The results show that the characteristics contributing to the recidivism of homicide offenders are not different from those associated with other types of offenders.
รูปแบบสถาปัตยกรรมปากทางเข้ารังของชันโรง Tetragonula laeviceps (Smith) Species Complex (Hymenoptera: Apidae: Meliponini) ในประเทศไทยและมาเลเซียตะวันตก
Creators: name: กนกวรรณ คำยอดใจ
name: Banziger, Hans
name: จิราพร กุลสาริน
Publisher: name: สมศักดิ์การพิมพ์
Year: 2015
Subjects: สถาปัตยกรรม, ปากทางเข้ารัง, ชันโรง

description: 1, 31, วารสารเกษตร
Superconducting Transition in the $β$-Pyrochlore AOs$_2$O$_6$ (A=Cs, Rb, K) under Pressure
Creators: name: Miyoshi, K.
name: Takaichi, Y.
name: Takamatsu, Y.
name: Miura, M.
name: Takeuchi, J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Pressure dependence of superconducting transition temperature $T_{\rm c}$ has been determined through the DC magnetic measurements under pressure up to $P$=10 GPa for $β$-pyrochlore oxides AOs$_2$O$_6$ with A=Cs ($T_{\rm c}$=3.3 K), Rb (6.3 K) and K (9.6 K). Both for A=Rb and Cs, $T_{\rm c}$ increases with increasing $P$ and shows a saturation at $T_{\rm cm}$$\sim$8.8 K, which is considered as the upper limit of $T_{\rm c}$ inherent in AOs$_2$O$_6$. In contrast, the $T_{\rm c}-P$ curve for KOs$_2$O$_6$ shows a sharp maximum of $\sim$10 K at $P$$\sim$0.5 GPa, and $T_{\rm c}$ is higher than $T_{\rm cm}$ for 0$\leq$$P$$\leq$1.5GPa, suggesting the enhanced superconductivity due to the rattling of K ions.
description: 4 pages, 4 figures, to be published in J. Phys. Soc. Jpn. Vol. 77, No. 4 (2008)
Induced gravitational waves as a cosmological probe of the sound speed during the QCD phase transition
Creators: name: Abe, Katsuya T.
name: Tada, Yuichiro
name: Ueda, Ikumi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The standard model of particle physics is known to be intriguingly successful. However their rich phenomena represented by the phase transitions (PTs) have not been completely understood yet, including the possibility of the existence of unknown dark sectors. In this Letter, we investigate the measurement of the equation of state parameter $w$ and the sound speed $c_{\rm s}$ of the PT plasma with use of the gravitational waves (GWs) of the universe. Though the propagation of GW is insensitive to $c_{\rm s}$ in itself, the sound speed value affects the dynamics of primordial density (or scalar curvature) perturbations and the induced GW by their horizon reentry can then be an indirect probe both $w$ and $c_{\rm s}$. We numerically reveal the concrete spectrum of the predicted induced GW with two simple examples of the scalar perturbation spectrum: the monochromatic and scale-invariant spectra. In the monochromatic case, we see that the resonant amplification and cancellation scales of the induced GW depend on the $c_{\rm s}$ values at different time respectively. The scale-invariant case gives a more realistic spectrum and its specific shape will be compared with observations. In particular, the QCD phase transition corresponds with the frequency range of the pulsar timing array (PTA) observations. If the amplitude of primordial scalar power is in the range of $10^{-4}\lesssim A_ζ\lesssim10^{-2}$, the induced GW is consistent with current observational constraints and detectable in the future observation in Square Kilometer Array. Futhermore the recent possible detection of stochastic GWs by NANOGrav 12.5 yr analysis~[1] can be explained by the induced GW if $A_ζ\sim\sqrt{7}\times10^{-3}$.
description: 9 pages, 5 figures
ICT Access of Filipino Farmers in Capas, Tarlac
Creators: name: Siron, Erwin
Publisher: name: Zenodo
Year: 2019
Subjects: Agriculture
Development Communication
Digital Media
ICT

description: A survey of Filipino farmers in Capas, Tarlac describing their use of Information and Communications Technology, and how they utilize these technologies for agriculture.
description: Master of Development Communication paper for the course DEVC 202: Development Communication Concepts and Approaches.
ชีววิทยาของด้วงเมล็ดกาแฟ Araecerus fasciculatus (De Geer) (Coleoptera: Anthribidae) ในกระเทียมและการควบคุมโดยใช้ก๊าซคาร์บอนไดออกไซด์
Creators: name: รัตนาพร ไชยศรี
name: ปิยะวรรณ สุทธิประพันธ์
Publisher: name: สมศักดิ์การพิมพ์
Year: 2015
Subjects: ด้วงเมล็ดกาแฟ, Araecerus fasciculatus, ก๊าซคาร์บอนไดออกไซด์, กระเทียม

description: 1, 31, วารสารเกษตร
Partition Functions, the Bekenstein Bound and Temperature Inversion in Anti-de Sitter Space and its Conformal Boundary
Creators: name: Gibbons, G. W.
name: Perry, M. J.
name: Pope, C. N.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We reformulate the Bekenstein bound as the requirement of positivity of the Helmholtz free energy at the minimum value of the function L=E- S/(2πR), where R is some measure of the size of the system. The minimum of L occurs at the temperature T=1/(2πR). In the case of n-dimensional anti-de Sitter spacetime, the rather poorly defined size R acquires a precise definition in terms of the AdS radius l, with R=l/(n-2). We previously found that the Bekenstein bound holds for all known black holes in AdS. However, in this paper we show that the Bekenstein bound is not generally valid for free quantum fields in AdS, even if one includes the Casimir energy. Some other aspects of thermodynamics in anti-de Sitter spacetime are briefly touched upon.
description: Latex, 32 pages
K-mers in metagenomics
Creators: name: Parks, Donovan
Publisher: name: F1000Research
Year: 2015

description: ­K­-mers play a critical role in the exploration of metagenomic data. They have been widely used to assign taxonomic attributions to the short genomic fragments characteristic of shotgun (metagenomic) sequencing. These approaches provide an assembly-free method for profiling microbial communities, and have helped elucidate the factors driving microbial community composition across biogeochemical gradients. Advances in sequencing technology are now making it cost-effective to sequence microbial communities at sufficient depths to allow for the assembly of high-quality contigs. This has made it possible to adopt k-mer based approaches to enable reliable binning of contigs originating from a single microbial population within a community. In this session, I will present both an overview of how k-mers can be used to assign taxonomic attributions to short metagenomic reads, and discuss how these approaches have advanced to a point where population genomes can be recovered en masse from even complex microbial communities.
Star Formation in CALIFA survey perturbed galaxies. I. Effects of Tidal Interactions
Creators: name: Morales-Vargas, A.
name: Torres-Papaqui, J. P.
name: Rosales-Ortega, F. F.
name: Sánchez, S. F.
name: Chow-Martínez, M.
name: Ortega-Minakata, R. A.
name: Trejo-Alonso, J. J.
name: Robleto-Orús, A. C.
name: Romero-Cruz, F. J.
name: Neri-Larios, D. M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We explore the effects of tidal interactions on star formation (SF) by analysing a sample of CALIFA survey galaxies. The sample consists of tidally and non-tidally perturbed galaxies, paired at the closest stellar mass densities for the same galaxy type between subsamples. They are then compared, both on the resolved Star Formation Main Sequence (SFMS) plane and in annular property profiles. Star-forming regions in tidally perturbed galaxies exhibit flatter SFMS slopes compared to star-forming regions in non-tidally perturbed galaxies. Despite that the annular profiles show star-forming regions in tidally perturbed galaxies as being mostly older, their SF properties are never reduced against those ones proper of non-tidally perturbed galaxies. Star-forming regions in non-tidally perturbed galaxies are better candidates for SF suppression (quenching). The lowered SF with increasing stellar mass density in tidally perturbed galaxies may suggest a lower dependence of SF on stellar mass. Though the SFMS slopes, either flatter or steeper, are found independent of stellar mass density, the effect of global stellar mass can not be ignored when distinguishing among galaxy types. Since a phenomenon or property other than local/global stellar mass may be taking part in the modulation of SF, the integrated SF properties are related to the tidal perturbation parameter. We find weak, but detectable, positive correlations for perturbed galaxies suggesting that tidal perturbations induced by close companions increase the gas accretion rates of these objects.
Almost periodic currents, chains and divisors in tube domains
Creators: name: Favorov, S.
name: Rashkovskii, A.
name: Ronkin, L.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Complex Variables (math.CV)
subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 32H30; 43A60

description: A notion of almost periodic current is introduced, as well as a notion of almost periodic holomorphic chain proceeded from that definition. Such a chain can be defined either as a special case of almost periodic currents or as a holomorphic chain whose trace measure is an almost periodic distribution. It is shown that in general situation almost periodicity of the trace of a current does not imply that for the current itself, even if it is closed and positive. The zero set (regarded as a holomorphic chain) of a holomorphic mapping can be represented as a Monge-Ampere type current, and one could expect that the zero set of an almost periodic holomorphic mapping should be almost periodic; however we construct an example of an almost periodic holomorphic mapping whose zero set is not almost periodic. Nevertheless, we prove almost periodicity of the Monge-Ampere currents corresponding to almost periodic holomorphic mappings with certain additional properties. Then we construct functions that play the same role for almost periodic divisors as the so-called Jessen functions for almost periodic holomorphic functions. In terms of Jessen function we give a sufficient condition for realizability of an almost periodic divisor as the divisor of a holomorphic almost periodic function; some necessary condition is obtained, too.
A Lightweight Speaker Recognition System Using Timbre Properties
Creators: name: Ohi, Abu Quwsar
name: Mridha, M. F.
name: Hamid, Md. Abdul
name: Monowar, Muhammad Mostafa
name: Lee, Dongsu
name: Kim, Jinsul
Publisher: name: arXiv
Year: 2020
Subjects: subject: Sound (cs.SD)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Speaker recognition is an active research area that contains notable usage in biometric security and authentication system. Currently, there exist many well-performing models in the speaker recognition domain. However, most of the advanced models implement deep learning that requires GPU support for real-time speech recognition, and it is not suitable for low-end devices. In this paper, we propose a lightweight text-independent speaker recognition model based on random forest classifier. It also introduces new features that are used for both speaker verification and identification tasks. The proposed model uses human speech based timbral properties as features that are classified using random forest. Timbre refers to the very basic properties of sound that allow listeners to discriminate among them. The prototype uses seven most actively searched timbre properties, boominess, brightness, depth, hardness, roughness, sharpness, and warmth as features of our speaker recognition model. The experiment is carried out on speaker verification and speaker identification tasks and shows the achievements and drawbacks of the proposed model. In the speaker identification phase, it achieves a maximum accuracy of 78%. On the contrary, in the speaker verification phase, the model maintains an accuracy of 80% having an equal error rate (ERR) of 0.24.
description: Accepted in Journal of Contents Computing
Cloning fibrillarin and snoRNA genes from Sulfolobus acidocaldarius
Creators: name: Wang, Xin
Publisher: name: University of British Columbia
Year: 2009

description: Recently, a Sulfolobus acidocaldarius RNA-protein complex with rRNA precursor 5' leader processing activity was purified and U3 snoRNA was found to be an essential component (Potter et al., 1995). Since fibrillarin is a universal snoRNA binding protein and has important functions in ribosome synthesis, this processing complex was suspected to contain fibrillarin. Fibrillarin gene of M. voltae was used as a heterologous probe to attempt to isolate Sulfolobus fibrillarin gene. By southern hybridizations, a 1.7 kb cross-hybridizing S. acidocaldarius DNA fragment was identified and subsequently isolated. Database searches indicated that it was not the fibrillarin gene. Some homology was found between this DNA fragment and the methanogen fibrillarin gene probe which may account for the southern signal. Since this 1.7 kb DNA fragment contains a 1.1 kb open reading frame, its sequence was deposited into genbank. PCR reactions using degenerate primers were also conducted to clone this gene. While PC R products at the expected lengths were obtained using M. voltae DNA as templates, negative results were obtained using S. acidocaldarius genomic DNA. Because the degenerate primer sequences were based on universally conserved fibrillarin sequences, the negative PCR result suggested that Sulfolobus may not have this gene. In order to detect the Sulfolobus fibrillarin protein directly, the methanogen fibrillarin protein was overexpressed in E. coli and used for raising polyclonal antibodies. In a western blot, this antibody can detect fibrillarin in methanogen cell lysates, but no protein the size of fibrillarin can be detected in Sulfolobus extracts. This antibody can also crossreact with a protein in a yeast cell lysate whose size is similar to that anticipated for yeast fibrilllarin (NOP1). Taken together, these observations suggest that Sulfolobus lacks a close fibrillarin homologue. Since fibrillarin antibodies can coimmunoprecipitate the snoRNAs associated with fibrillarin, they are a powerful tool in studying eukaryotic snoRNAs. Experiments have been initiated to use the methanogen fibrillarin antibody for immunoprecipitations of potential snoRNP s from the methanogen cell extract. Reverse transcription coupled PCR was used to clone other snoRNAs in addition to U3 that are possibly present in the Sulfolobus purified extract. Four cloned cDNA s were obtained but sequence analysis did not reveal homology to any known eukaryotic snoRNA. They are possibly RNA degradation products. Interestingly, one of the clones shares an eight nucleotide sequence that is identical to the S. acidocaldarius U3 box C sequence, a sequence present in most of the snoRNAs.
Coexistence of resonant activation and noise enhanced stability in a model of tumor-host interaction: Statistics of extinction times
Creators: name: Ochab-Marcinek, A.
name: Fiasconaro, A.
name: Gudowska-Nowak, E.
name: Spagnolo, B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: We study a Langevin equation derived from the Michaelis-Menten (MM) phenomenological scheme for catalysis accompanying a spontaneous replication of molecules, which may serve as a simple model of cell-mediated immune surveillance against cancer. We examine how two different and statistically independent sources of noise - dichotomous multiplicative noise and additive Gaussian white noise - influence the population's extinction time. This quantity is identified as the mean first passage time of the system across the zero population state. We observe the effects of resonant activation (RA) and noise-enhanced stability (NES) and we report the evidence for competitive co-occurrence of both phenomena in a given regime of noise parameters. We discuss the statistics of first passage times in this regime and the role of different pseudo-potential profiles on the RA and NES phenomena. The RA/NES coexistence region brings an interesting interpretation for the growth kinetics of cancer cells population, as the NES effect enhancing the stability of the tumoral state becomes strongly reduced by the RA phenomenon.
description: 17 pages, 11 figures. Published in Acta Physica Polonica B 37(5) 2006, 1651
การออกแบบกับดักฟีโรโมนเพศสังเคราะห์เพื่อควบคุมผีเสื้อหนอนใยผักในการผลิตกะหล่ำปลีบนพื้นที่สูง
Creators: name: อาทิตยา ทองคำกูล
name: จิราพร กุลสาริน
name: ไสว บูรณพานิชพันธุ์
Publisher: name: สมศักดิ์การพิมพ์
Year: 2015
Subjects: ผีเสื้อหนอนใยผัก, รูปแบบกับดักฟีโรโมน, ฟีโรโมนเพศ

description: 1, 31, วารสารเกษตร
Symplectic geometry and Noether charges for Hopf algebra space-time symmetries
Creators: name: Arzano, Michele
name: Marciano, Antonino
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: There has been a certain interest in some recent works in the derivation of Noether charges for Hopf-algebra space-time symmetries. Such analyses relied rather heavily on delicate manipulations of the fields of non-commuting coordinates whose charges were under study. Here we derive the same charges in a "coordinate-independent" symplectic-geometry type of approach and find results that are consistent with the ones of hep-th/0607221.
description: 12 pages, RevTex4; clarifying remarks added and incorrect statement rectified; typos corrected
Off-Target Activities of Lipoxygenase Inhibitors Confound the Role of Enzyme-Catalyzed (Phospho)Lipid Peroxidation in Ferroptosis
Creators: name: Shirley, Katherine
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2021
Subjects: ferroptosis
lipids
oxidation
radical trapping antioxidants

description: Ferroptosis is a recently characterized iron-dependent form of regulated cell death associated with the accumulation of (phospho)lipid hydroperoxides. Since its characterization, there has been a spirited debate in the literature over the origin of the lipid hydroperoxides in ferroptotic cells. Many investigators have implicated lipoxygenases (LOXs), enzymes known to catalyze the oxidation of polyunsaturated fatty acids (especially linoleate and arachidonate) to yield lipid hydroperoxides. Previous work by our group, investigated the induction and suppression of ferroptosis in human embryonic kidney (HEK-293) cells transfected to overexpress the three most widespread isoforms of LOX (5-LOX, 15-LOX-1 and p12-LOX). The results suggested that LOX catalysis is not required for ferroptosis. Our previous work did not include investigations into cells transfected to overexpress 15-LOX-2. However, a series of recent publications has since implicated the 15-LOX-2/PEPB1 complex as a key player in ferroptotic cell death. Therefore, in this work, HEK-293 cells were transfected to overexpress the 15-LOX-2 isoform, as confirmed by immunodetection, and were subject to induction and suppression of ferroptosis pharmacologically. A library of small molecules was assembled consisting of LOX inhibitors, radical-traping antioxidants (RTAs) and LOX inhibitors that display off-target RTA activity. Consistent with our previous investigations, only LOX inhibitors with radical trapping activity or iron chelators were effective at suppressing ferroptosis. Furthermore, the poor performance of 15-LOX-2 inhibitors at rescuing cells transfected to overexpress 15-LOX-2 from ferroptosis does not support the role of the 15-LOX-2/PEBP1 complex as a central mediator of ferroptotic lipid peroxidation. We also report the details of corresponding investigations in cell lines that are reported to express high levels of LOXs and that have been used to establish characteristics of ferroptosis, including HT-22 mouse hippocampal cells (15-LOX-1 and/or 15-LOX-2) and HT-1080 human fibrosarcoma cells (all LOXs). The two cellular models were also subject to cell-rescue studies with our small molecule library. Again, only LOX inhibitors that possess radical-trapping antioxidant activity or which are good iron chelators could rescue cells from ferroptosis. These results underscore our previous conclusion that although lipoxygenase activity may contribute to the pool of cellular lipid hydroperoxides, autoxidation drives ferroptotic cell death.
Morphology of residually-stressed tubular tissues: Beyond the elastic multiplicative decomposition
Creators: name: Ciarletta, Pasquale
name: Destrade, Michel
name: Gower, Artur L.
name: Taffetani, Matteo
Publisher: name: arXiv
Year: 2020
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Many interesting shapes appearing in the biological world are formed by the onset of mechanical instability. In this work we consider how the build-up of residual stress can cause a solid to buckle. In all past studies a fictitious (virtual) stress-free state was required to calculate the residual stress. In contrast, we use a model which is simple and allows the prescription of any residual stress field. We specialize the analysis to an elastic tube subject to a two-dimensional residual stress, and find that incremental wrinkles can appear on its inner or its outer face, depending on the location of the highest value of the residual hoop stress. We further validate the predictions of the incremental theory with finite element simulations, which allow us to go beyond this threshold and predict the shape, number and amplitude of the resulting creases.
Holomorphic almost periodic functions in tube domains and their amoebas
Creators: name: Favorov, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Complex Variables (math.CV)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 42A75 ; 32A60, 32A18

description: We extend the notion of amoeba to holomorphic almost periodic functions in tube domains. In this setting, the order of a function in a connected component of the complement to its amoeba is just the mean motion of this function. We also find a correlation between the orders in different components.
First derivatives estimates for finite-difference schemes
Creators: name: Gyongy, I.
name: Krylov, N.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Numerical Analysis (math.NA)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 65M06,39A70

description: We give sufficient conditions under which solutions of discretized in space second-order parabolic and elliptic equations, perhaps degenerate, admit estimates of the first derivatives in the space variables independent of the mesh size.
description: 34 pages
Theoretical survey of unconventional quantum annealing methods applied to adifficult trial problem
Creators: name: Tang, Zhijie
name: Kapit, Eliot
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider a range of unconventional modifications to Quantum Annealing (QA), applied to an artificial trial problem with continuously tunable difficulty. In this problem, inspired by "transverse field chaos" in larger systems, classical and quantum methods are steered toward a false local minimum. To go from this local minimum to the global minimum, all N spins must flip, making this problem exponentially difficult to solve. We numerically study this problem by using a variety of new methods from the literature: inhomogeneous driving, adding transverse couplers, and other types of coherent oscillations in the transverse field terms (collectively known as RFQA). We show that all of these methods improve the scaling of the time to solution (relative to the standard uniform sweep evolution) in at least some regimes. Comparison of these methods could help identify promising paths towards a demonstrable quantum speedup over classical algorithms in solving some realistic problems with near-term quantum annealing hardware.