cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A General Class of Throughput Optimal Routing Policies in Multi-hop Wireless Networks
Creators: name: Naghshvar, Mohammad
name: Zhuang, Hairuo
name: Javidi, Tara
Publisher: name: arXiv
Year: 2009
Subjects: subject: Optimization and Control (math.OC)
subject: Networking and Internet Architecture (cs.NI)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: 34D20

description: This paper considers the problem of throughput optimal routing/scheduling in a multi-hop constrained queueing network with random connectivity whose special case includes opportunistic multi-hop wireless networks and input-queued switch fabrics. The main challenge in the design of throughput optimal routing policies is closely related to identifying appropriate and universal Lyapunov functions with negative expected drift. The few well-known throughput optimal policies in the literature are constructed using simple quadratic or exponential Lyapunov functions of the queue backlogs and as such they seek to balance the queue backlogs across network independent of the topology. By considering a class of continuous, differentiable, and piece-wise quadratic Lyapunov functions, this paper provides a large class of throughput optimal routing policies. The proposed class of Lyapunov functions allow for the routing policy to control the traffic along short paths for a large portion of state-space while ensuring a negative expected drift. This structure enables the design of a large class of routing policies. In particular, and in addition to recovering the throughput optimality of the well known backpressure routing policy, an opportunistic routing policy with congestion diversity is proved to be throughput optimal.
description: 31 pages (one column), 8 figures, (revision submitted to IEEE Transactions on Information Theory)
On modular signs
Creators: name: Kowalski, Emmanuel
name: Lau, Yuk Kam
name: Soundararajan, Kannan
name: Wu, Jie
Publisher: name: arXiv
Year: 2009
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11F30, 11F41, 11K36, 11N35

description: We consider some questions related to the signs of Hecke eigenvalues or Fourier coefficients of classical modular forms. One problem is to determine to what extent those signs, for suitable sets of primes, determine uniquely the modular form, and we give both individual and statistical results. The second problem, which has been considered by a number of authors, is to determine the size, in terms of the conductor and weight, of the first sign-change of Hecke eigenvalues. Here we improve significantly the recent estimate of Iwaniec, Kohnen and Sengupta.
description: 23 pages, 1 figure; new version with new coauthor and strong improvements of two of the two main results.
title: Purification and Characterization of a Chemically Induced Epstein-Barr Virus-Associated Deoxyribonuclease
Creators: name: Hwang, Guang-Yuh
Publisher: name: Utah State University
Year: 1989

description: Purification of Epstein-Barr virus-associated deoxyribonuclease (EBV-DNase) from Raji and P3HR-1 cells treated with 12-0-tetradecanoylphorbol-13-acetate and sodium butyrate was performed by sequential ion-exchange column chromatography and fast protein liquid chromatography. The enzyme activity, protein concentration, yield, specific activity, purification profiles, and polypeptide patterns by electrophoretic analysis in each column purification step were determined. The characteristics of the partially isolated EBV-DNase were demonstrated by the enzyme activity, DNA binding affinity, and inhibition by the nasopharyngeal carcinoma patient sera and rabbit polyclonal antibodies against the partially purified EBV-DNase. A nonisotopic assay was developed as a new method in detecting the nuclease. EBV-DNase was purified to homogeneity by FPLC. The molecular weight of the EBV-DNase was 58 KDa as determined by sodium dodecylsulfate polyacrylamide gel electrophoresis, immunostaining, and radioimmunoprecipitation using nasopharyngeal carcinoma patient sera and rabbit polyclonal antibodies.
LFV in semileptonic $τ$ decays and $μ-e$ conversion in nuclei in SUSY-seesaw
Creators: name: Arganda, E.
name: Herrero, M. J.
name: Portoles, J.
name: Rodriguez-Sanchez, A.
name: Teixeira, A. M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Here we review the main results of LFV in the semileptonic tau decays $τ\to μPP$ ($PP = π^+ π^-, π^0 π^0, K^+ K^-, K^0 \bar{K}^0$), $τ\to μP$ ($P = π, η, η^{\prime}$), and $τ\to μV$ ($V = ρ, ϕ$) as well as in $μ-e$ conversion in nuclei within SUSY-seesaw scenarios, and compare our predictions with the present experimental bounds
description: Talk given by M. J. Herrero in SUSY08 conference, Seoul
Thread configurations for ellipsoids
Creators: name: Dinca, Ion
Publisher: name: arXiv
Year: 2009
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: We discuss Darboux-Staude type of thread configurations for the ellipsoid similar to Chasles-Graves type of thread configurations for the ellipse. These threads are formed by rectilinear segments, geodesic and line of curvature segments on the considered ellipsoid and with tangents tangent to the given ellipsoid and a fixed confocal hyperboloid with one sheet and preserve constant length when the vertices of the configuration move on confocal ellipsoids.
Adaptive Bound Optimization for Online Convex Optimization
Creators: name: McMahan, H. Brendan
name: Streeter, Matthew
Publisher: name: arXiv
Year: 2010
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: We introduce a new online convex optimization algorithm that adaptively chooses its regularization function based on the loss functions observed so far. This is in contrast to previous algorithms that use a fixed regularization function such as L2-squared, and modify it only via a single time-dependent parameter. Our algorithm's regret bounds are worst-case optimal, and for certain realistic classes of loss functions they are much better than existing bounds. These bounds are problem-dependent, which means they can exploit the structure of the actual problem instance. Critically, however, our algorithm does not need to know this structure in advance. Rather, we prove competitive guarantees that show the algorithm provides a bound within a constant factor of the best possible bound (of a certain functional form) in hindsight.
description: Updates to match final COLT version
Precision gauge unification in the MSSM
Creators: name: Raby, Stuart
name: Ratz, Michael
name: Schmidt-Hoberg, Kai
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss the issue of precision gauge unification in the MSSM. We find that a comparably light gluino, as it emerges in certain patterns of soft supersymmetry breaking, can be a key ingredient for ensuring precision gauge unification without relying on the presence of extra particles around the scale of grand unification. In particular, the so-called mirage pattern for gaugino masses can naturally lead to precision gauge unification. There is also an interesting correlation with reduced fine-tuning, due to rather light gluinos.
description: 14 pages, 3 figures, minor modifications, matches published version
Single-cell RNA sequencing datasets for "Spatiotemporal organisation of residual disease in mouse and human BRCA1-deficient mammary tumours and breast cancer"
Creators: name: Túrós, Demeter
Publisher: name: Zenodo
Year: 2025

description: Single-cell RNA sequencing datasets for "Spatiotemporal organisation of residual disease in mouse and human BRCA1-deficient mammary tumours and breast cancer"

This repository contains KB1P mouse mammary tumour 10x Chromium datasets generated and analysed in our article:

Demeter Túrós, Morgane Decollogny, Astrid Chanfon, Myriam Siffert, Lou Romanens, Jean-Christophe Tille, Olivier Tredan, Intidhar Labidi-Galy, Alberto Valdeolivas, and Sven Rottenberg."Spatiotemporal organisation of residual disease in mouse and human BRCA1-deficient mammary tumours and breast cancer."

GitHub: https://github.com/rottenberglab/residual-disease

Archive Contents

Mouse mammary tumour 10x Chromium datasets. Metadata CSV file is available in the dataset folder.

In the cell_ranger_outputs folders, the Cell Ranger output files can be found for each sample.

In the processed folder, a single AnnData object is stored as an h5ad file with cell type annotations and raw counts.
Chemical stratification in the Orion Bar: JCMT Spectral Legacy Survey observations
Creators: name: van der Wiel, Matthijs H. D.
name: van der Tak, Floris F. S.
name: Ossenkopf, Volker
name: Spaans, Marco
name: Roberts, Helen
name: Fuller, Gary A.
name: Plume, René
Publisher: name: arXiv
Year: 2009
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Photon-dominated regions (PDRs) are expected to show a layered structure in molecular abundances and emerging line emission, which is sensitive to the physical structure of the region as well as the UV radiation illuminating it. We aim to study this layering in the Orion Bar, a prototypical nearby PDR with a favorable edge-on geometry. We present new maps of 2 by 2 arcminute fields at 14-23 arcsecond resolution toward the Orion Bar in the SO 8_8-9_9, H2CO 5_(1,5)-4_(1,4), 13CO 3-2, C2H 4_(9/2)-3_(7/2) and 4_(7/2)-3_(5/2), C18O 2-1 and HCN 3-2 transitions. The data reveal a clear chemical stratification pattern. The C2H emission peaks close to the ionization front, followed by H2CO and SO, while C18O, HCN and 13CO peak deeper into the cloud. A simple PDR model reproduces the observed stratification, although the SO emission is predicted to peak much deeper into the cloud than observed while H2CO is predicted to peak closer to the ionization front than observed. In addition, the predicted SO abundance is higher than observed while the H2CO abundance is lower than observed. The discrepancies between the models and observations indicate that more sophisticated models, including production of H2CO through grain surface chemistry, are needed to quantitatively match the observations of this region.
description: Published in A&A 498, 161-165 (2009); v2: updated with correct line strengths after corrigendum in A&A 510, C1 (2010)
ABOUT THE STORIES OF ADIB SHUKHRAT
Creators: name: Aldasheva Shirin Jalgasovna Doctor of Philosophy (PhD) in Philology. Associate Professor of the Department of Social and Humanitarian Sciences. Nukus State Pedagogical Institute. Uzbekistan
Publisher: name: Zenodo
Year: 2023

description: The article provides comments on the portrayal of heroes with a strong will, strong religion and faith in Shukhrat's stories. Stories like “Almighty Father”, “Thank You Father”, “Tesokar Su” also reflect the unique customs, lifestyle and dreams of our people.

Key words: story, writer, era, hero, image, spirituality, education, plot, symbol, work, color, etc.
title: Effects of Methylene Chloride on Immune Function in Mice and the In Vitro Effect of Methylene Chloride in Immunologic Assays
Creators: name: Wang, Man-Ping
Publisher: name: Utah State University
Year: 1989

description: A number of toxicities associated with methylene chloride have been found in both human subjects and mice. However, relatively few studies have probed immunotoxicities of methylene chloride. In order to examine possible immunotoxicities or immunomodulating effects of methylene chloride, several tests of cellular immune function were performed using both human in In Vitro studies and a mouse model.
Body weights and specific organ weights of thymus, spleen, liver, and kidney were normal in CD-1 mice given various concentrations of methylenechloride. However, a significantly reduced mitogenic response to phytohemagglutinin (PHA} and reduced interleukin-2 (IL-2} production was found in these methylene-chloride-treated mice. The findings in the mouse model provide additional evidence that immune suppression may be associated with exposure to methylene chloride.
Splenic mononuclear cells isolated from CD-1 mice were incubated with various concentrations of methylene chloride in vitro and investigated for blastogenic response to mitogen PHA and IL-2 production. The results show no significant difference between methylene-chloride-treated cells and the cells treated with growth media.
Peripheral blood mononuclear cells isolated from healthy donors were incubated with various concentrations of methylene chloride and tested for blastogenic activity, natural killer (NK) cell activity, and IL-2 production. The findings showed that the NK cell activity, the T-cell blastogenesis in response to PHA mitogen, and IL-2 production activity were not affected.
Coherent states of non-relativistic electron in magnetic-solenoid field
Creators: name: Bagrov, V. G.
name: Gavrilov, S. P.
name: Gitman, D. M.
name: Filho, D. P. Meira
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We construct coherent states of a nonrelativistic electron in the magnetic-solenoid field, which is a superposition of the Aharonov-Bohm field and a collinear uniform magnetic field. In the problem under consideration there are two kind of coherent states, the first kind corresponds to classical trajectories which embrace the solenoid and the second one to trajectories which do not. Mean coordinates in the constructed coherent states are moving along classical trajectories, the coherent states maintain their form under the time evolution, and represent a complete set of functions, which can be useful in semi classical calculations. In the absence of the Aharonov-Bohm filed these states are reduced to the well-known in the case of uniform magnetic field Malkin-Man'ko coherent states.
description: 11 pages, version accepted for publication in J. Phys. A, 3 figures added
title: Relationships Between Motivational Orientations and Participants' Perceptions of an Electronic Distance Education Learning Environment
Creators: name: Wilkes, Charles Wynn
Publisher: name: Utah State University
Year: 1989

description: The purpose of this study was to investigate the relationships between students' motivational orientations and their perceptions of an electronic distance education (EDE) environment. Subjects were 156 participants (81 women, 75 men; 83 undergraduates, 73 graduate students) enrolled in Utah State University's electronic distance education system, Com-Net.
A comparison group was also utilized, that consisted of 85 participants (64 females, 21 males; 34 undergraduates, 51 graduates) from rural Utah enrolled in Utah State University extension programs. These students were from seven classes which were taught by the traditional method with an instructor physically present.
Correlation coefficients were computed to test the hypotheses of this study. The independent variables (motivational orientations), as measured by Boshier's Education Participation Scale, were correlated with the dependent variables (satisfaction, material environment, involvement, and extension) as measured by the Learning Environment Inventory and the College and University Classroom Environment Inventory. One-way analyses of variance were computed to explore possible relationships with independent variables not included in the original hypotheses. Multiple regression analysis was used with satisfaction as the independent variable to look for possible explanations of student satisfaction.
The participants in this study differ significantly from the norms in their motivational orientations in the areas of professional advancement and cognitive interest. Although the null hypotheses were rejected the relationships were weak, and there appears to be little practical relationship between motivational orientations and participants' satisfaction.
These results suggest that participant satisfaction is largely independent of initial motives that impel individuals to participate. Motivational orientations' minimal impact on participant satisfaction suggest that the sources of variation in satisfaction lie elsewhere. There may be other internal variables that affect satisfaction, but more probably there are external variables that greatly influence satisfaction.
title: Immunosuppression by Aflatoxin B1 in C57BL/6 Mice and its Relationship with Neuroendocrine Mechanisms
Creators: name: Hatori, Yasuhiko
Publisher: name: Utah State University
Year: 1990

description: Aflatoxin B1 (AFB1), a secondary metabolite of Aspergillus flavus and Aspergillus parasiticus, is known for its potent carcinogenicity and immunosuppressive effects. It is also known that AFB1 toxicity appears in different degrees in different animal species and strains.
The present study was performed to reveal the involvement of the hypothalamus-pituitary-adrenal gland (HPA) axis in the immunosuppressive effects of AFB1 on C57B/6 mice. Splenic lymphocy1es were assayed to investigate their phenotyping using flow cy1ometry, proliferative response against mitogen and allogenic lymphocy1es, cy1oly1ic cell activity, and IL-2 production. In addition, antibody-mediated immunocompetence was checked using sheep red blood cell (SRBC)-challenged animals by plaque-forming cell (PFC) assay and enzyme-linked immunosorbent assay (ELISA). Corticotropin releasing factor (CRF) in brain hypothalamus and cerebral cortex, plasma adrenocorticotropic hormone (ACTH), and corticosterone were determined by radioimmunoassay (RIA). Hypothalamic catecholamine and its metabolites were assayed by high-performance liquid chromatography (HPLC). The adrenalectomized animals and their respective control animals were used to evaluate corticosterone involvement in AFB1 immunosuppressive effects.
A relatively higher dose was applied in the present study, compared to the previous studies that used different strains of mice. Immunosuppressive effects were observed in blastogenic response, IL-2 production, and primary antibody production of splenic cells. The amount of circulating anti-SRBC antibody was also affected. Decreases were observed in the helper-T cell and B cell percentage in phenotyping splenic lymphocyte. No significant changes were observed in natural killer cell activity, mixed lymphocyte response, brain biogenic amine concentrations, concentration of CRF in the hypothalamus, and those of ACTH and corticosterone in plasma. However, the expected effect of adrenalectomy to compensate for the immunosuppression of AFB1 was not observed.
The results indicate that the HPA axis does not appear to have a major role in AFB1-induced immunotoxicity.
A new approach to non-commutative inflation
Creators: name: Rinaldi, Massimiliano
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose an inflationary scenario inspired by a recent formulation, in terms of coherent states, of non-commutative quantum field theory. We consider the semiclassical Einstein equations, and we exploit the ultraviolet finiteness of the non-commutative propagator to construct the expectation value of the energy momentum tensor associated to a generic scalar field. It turns out that the latter is always finite and dominated by an effective cosmological constant. By combining this general feature with the intrinsic fuzziness of spacetime, we show that non-commutativity governs the energy density of the early Universe in such a way that the strong energy condition is violated. Thus, there might be a bounce and a subsequent inflationary phase, which does not need any \emph{ad hoc} scalar field.
description: Version extended, more discussions and references, section added on the cosmological constant, matches version accepted on Class. Quantum Grav
Novel TeV-scale seesaw mechanism with Dirac mediators
Creators: name: Picek, Ivica
name: Radovcic, Branimir
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose novel tree level seesaw mechanism with TeV-scale vectorlike Dirac mediators that produce Majorana masses of the known neutrinos. The gauge quantum number assignment to the Dirac mediators allows them to belong to a weak triplet and a five-plet of nonzero hypercharge. The latter leads to new seesaw formula m_ν~ v^6/M^5, so that the empirical masses m_ν~ 10^{-1} eV can be achieved by M ~ TeV new states. There is a limited range of the parameter space with M < a few 100 GeV where the tree level contribution dominates over the respective loop contributions and the proposed mechanism is testable at the LHC. We discuss specific signatures for Dirac type heavy leptons produced by Drell-Yan fusion at the LHC.
description: 10 pages, 1 figure, version corresponding to PLB
Tree-ring reconstruction of the level of Great Salt Lake, USA
Creators: DeRose, R. Justin
Wang, Shih-Yu
Buckley, Brendan M.
Bekker, Matthew F.
Publisher: name: Columbia University
Year: 2014
Subjects: Paleoclimatology
Hydrology

description: Utah’s Great Salt Lake (GSL) is a closed-basin remnant of the larger Pleistocene-age Lake Bonneville. The modern instrumental record of the GSL-level (i.e. elevation) change is strongly modulated by Pacific Ocean coupled ocean/atmospheric oscillations at low frequency, and therefore reflects the decadal-scale wet/dry cycles that characterize the region. A within-basin network of seven tree-ring chronologies was developed to reconstruct the GSL water year (September–August) level, based upon the instrumental record of GSL level from 1876 to 2005. The result was a 576-year reconstruction of the GSL level that extends from 1429 to 2005; all calibration-verification tests commonly used in dendroclimatology were passed. The reconstruction explains 48% of the variance in the instrumental GSL level and exhibits significant periodicity at sub-decadal scales over the past six centuries. Meanwhile, predominance of multi-decadal periodicity in the early half of the record shifted to quasi-decadal dominance in the latter half, and this is consistent with that of proxy reconstructions of the Pacific Decadal Oscillation. The GSL-level reconstruction is a crucial component to improving our insight into the possible controls of coupled ocean-atmosphere interactions on precipitation delivery.
title: Highway Drain Depth and Soil Stability
Creators: name: Al-Himdani, Mizher
Publisher: name: Utah State University
Year: 1987

description: The presence of moisture in the soil reduces its shear strength. After the rain or snowmelt, the high percentage of moisture in the subgrade of highway, causes the instability resulting into failure of the highway due to high water table. Therefore, it is essential to install a drainage system to remove the excess moisture from the subgrade of highways to avoid its failure.
In the present study, six different soil samples have been studied to observe its failure by triaxial shear strength and corresponding moisture content was noted. The tension applied to remove moisture was converted to equivalent drain depth. The relationships were studied between shear strength versus drain depth and moisture content versus drain depth. From these relationships the design drain depth for different types of soils studied was recommended. The present study also suggest that the design drain depth for the highways can be approximated directly using water retention curve.
Vacuum polarization effects on quasinormal modes in electrically charged black hole spacetimes
Creators: name: Piedra, Owen Pavel Fernandez
name: de Oliveira, Jeferson
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate the influence of vacuum polarization of quantum massive fields on the scalar sector of quasinormal modes in spherically symmetric black holes. We consider the evolution of a massless scalar field on the spacetime corresponding to a charged semiclassical black hole, consisting of the quantum corrected geometry of a Reissner-Nordström black hole dressed by a quantum massive scalar field in the large mass limit. Using a sixth order WKB approach we find the shift in the quasinormal mode frequencies due to vacuum polarization .
description: 9 pages, 5 figures, typos added, references added and content changed
title: The Immunological and Neurochemical Toxicity of Benzene and its Interaction with Toluene in Mice
Creators: name: Hsieh, Gin-Chang
Publisher: name: Utah State University
Year: 1988

description: Benzene and toluene are known groundwater contaminants . Male CD-I mice were continuously exposed to 0, 31, 166, and 790 mg/ L benzene and 0, 17, 80, and 405 mg/L toluene, respectively, in drinking water for four weeks. Benzene caused a reduction of leukocytes, lymphocytes and erythrocytes, and resulted in a macrocytic anemia. Lymphocyte response to both B- and T-cell mitogens, mixed lymphocyte response to alloantigens, and the ability of cytotoxic lymphocytes to lyse tumor cells were enhanced at the lowest dose of benzene and depressed in the higher dosage animals. Benzene at doses of 166 and 790 mg/L decreased the number of sheep red blood cell (SRBC) -specific plaque-forming cells, the level of serum anti-SRBC antibody, and the activity of interleukin-2 (IL -2).
Benzene treatment increased endogenous concentrations of the brain biogenic amines norepinephrine (NE), dopamine (DA) and serotonin (5-HT), and concomitantly, elevated the levels of their respective major metabolites vanillymandelic acid (VMA), 3,4-dihydroxyphenyl acetic acid (DOPAC) and homovanillic acid (HVA), and 5-hydroxyindoleacetic acid (5-HIAA), in several brain regions . In most cases, the changes were dose related; in several instances, maximum effects occurred at the 166 mg/L benzene dose.
Toluene did not adversely affect the hematological parameters. Depression of immune function was evident at the highest dose (405 mg/L), except for mitogeneses. Increased neurochemical concentrations caused by toluene displayed a dose-dependent biphasic manner which began at a dose of 17 mg/L, peaked at 80 mg/L, and decreased at 405 mg/L. Toluene treatment had more selective effects on NE, 5-HT ,VMA and 5-HIAA, than DA, DOPAC and HVA.
Both compounds, by increasing concentrations of the hypothalamic NE and its major metabolite VMA, stimulated the hypothalamic-pituitary-adrenocortical axis activity, resulting in an elevated plasma adrenocorticotropic hormone and serum corticosterone which had an additive adverse effect on IL-2 synthesis.
Toluene, 325 mg/ L, completely inhibited benzene-induced cytopenia and immunosuppression when it was coadministered with benzene (166 mg/L). The low dose of toluene (80 mg/L ) did not antagonize benzene immunotoxicity. Mice given the combined exposures exhibited raised levels of regional neurochemicals when compared to the untreated controls. Increased levels of monoamine metabolites in several brain regions were greater in the combined treatments of benzene and toluene than when either chemical was used alone. The results of the interaction studies support the known metabolic interaction mechanisms of benzene and toluene.
Hydrodynamics with a chiral hadronic equation of state including quark degrees of freedom
Creators: name: Steinheimer, J.
name: Dexheimer, V.
name: Petersen, H.
name: Bleicher, M.
name: Schramm, S.
name: Stoecker, H.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the influence of a deconfinement phase transition on the dynamics of hot and dense nuclear matter. We apply a hybrid model where an intermediate hydrodynamics stage is employed for the the hot and dense stage of a system created in head-on collisions of Pb+Pb/Au+Au at beam energies from $2-160A $GeV. The initial and final interactions are performed by a microscopic transport approach (UrQMD). An equation of state that incorporates a critical end point (CEP) in line with lattice data is used. It follows from coupling the Polyakov loop (as an order parameter for deconfinement) to a chiral hadronic $SU(3)_f$ model. In this configuration the EoS describes chiral restoration as well as the deconfinemt phase transition. We compare the results obtained in this approach to results from a non interacting hadron resonance gas, focussing on observables deemed to be sensitive to the phase transition to the quark gluon plasma.
description: Published version
title: A Study of Mineral Nutrition of Range Cattle in Southeastern Utah
Creators: name: Raleigh, Robert J.
Publisher: name: Utah State University
Year: 1954

description: General Problem
Cattlemen of south central Utah in Sevier and Wayne County areas have been plagued for the past twenty-five or thirty years by a malady known to the cattleman as "Brisket Disease." It is a chronic disease affecting both male and female of all ages. It is characterized in advance stages by enlargement of the brisket and throat regions, loss of appetite, a general unthrifty condition and marked ascites. The seriousness of the disease is indicated by a morbidity rate varying from one to five percent of the cattle grazing these areas with almost one hundred percent mortality rate.
Many of the people of these southern Utah counties depend largely on livestock for their livelihood. In order for the livestock industry of these counties to operate as an economical and profitable enterprise, a better performance of the animals on summer ranges and a decrease in the death loss must be obtained.
Scope
The information contained in this thesis is the result of observation and data collected from the cattle grazing on 7-mile, U. M, and Sheep Valley Ranges, during the summers of 1948 through 1953. The work reported consists of forage analyses, blood analyses, liver biopsies, gross and histopathological studies of the tissues of affected animals. Controlled experiments were carried out to note if mineral supplements would prevent the disease. The sick animals were treated on the range at the same elevation to see if they could be cured.
Purpose
The purpose for undertaking the study was to determine the etiology and nature of the disease as it is manifested by symptoms and pathology; and to develop methods of treatment and control.
Atom interferometry with trapped Bose-Einstein condensates: Impact of atom-atom interactions
Creators: name: Grond, Julian
name: Schmiedmayer, Joerg
name: Hohenester, Ulrich
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Interferometry with ultracold atoms promises the possibility of ultraprecise and ultrasensitive measurements in many fields of physics, and is the basis of our most precise atomic clocks. Key to a high sensitivity is the possibility to achieve long measurement times and precise readout. Ultra cold atoms can be precisely manipulated at the quantum level, held for very long times in traps, and would therefore be an ideal setting for interferometry. In this paper we discuss how the non-linearities from atom-atom interactions on one hand allow to efficiently produce squeezed states for enhanced readout, but on the other hand result in phase diffusion which limits the phase accumulation time. We find that low dimensional geometries are favorable, with two-dimensional (2D) settings giving the smallest contribution of phase diffusion caused by atom-atom interactions. Even for time sequences generated by optimal control the achievable minimal detectable interaction energy $ΔE^{\rm min}$ is on the order of 0.001 times the chemical potential of the BEC in the trap. From there we have to conclude that for more precise measurements with atom interferometers more sophisticated strategies, or turning off the interaction induced dephasing during the phase accumulation stage, will be necessary.
description: 28 pages, 13 figures, extended and corrected
title: A Comparison of Two Non-Verbal Intelligence Tests as Predictors of Academic Success of Navajo Students
Creators: name: Larson, Stanford S.
Publisher: name: Utah State University
Year: 1967

description: This study was a search for a valid and reliable tool for the measurement and appraisal of the Navajo student at Intermountain School whose cultural and bilingual background make many highly verbal tests untrustworthy. The two tests chosen for the study were the Chicago Non-verbal Examination and the Cattell Institute for Personality and Ability Testing Culture Free Test. It was assumed that these tests would call attention to students who had good intellectual ability but were below standard in reading and verbal development and had been overlooked because of their lack of verbal fluency.
The two tests were administered to a random sample of one hundred twenty four students (72 boys 52 girls) at Intermountain High School. The tests were administered and corrected by the author, care being taken to follow directions in the manual on administering, correcting, and figuring IQ scores.
Statistical treatment was given the obtained data and the findings compared with the standardization sample for each test. Further statistical treatment was given to compare the performance of the boys with the performance of the girls on each test. Grade point averages were obtained for each individual in the sample. A coefficient of correlation between grade point average and IQ scores was figures for both the Chicago Non-verbal and Cattell Institute for Personality and Ability Testing Culture Free Test. A coefficient of correlation between grade point averages and the "G" score from the General Aptitude Test Battery was computed on ninety eight students on which the scores were available.
The results of this study showed that: (1) The Chicago Non-verbal Examination seemed to be more interesting and motivating for Navajo students. (2) The Navajo students in this study scored higher than the standardization sample on the Chicago Non-verbal Examination. This is interesting because on most tests the Navajos score below the mean of the standardization sample.
Information and Particle Physics
Creators: name: Ng, Wei Khim
name: Parwani, Rajesh R.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Information measures for relativistic quantum spinors are constructed to satisfy various postulated properties such as normalisation invariance and positivity. Those measures are then used to motivate generalised Lagrangians meant to probe shorter distance physics within the maximum uncertainty framework. The modified evolution equations that follow are necessarily nonlinear and simultaneously violate Lorentz invariance, supporting previous heuristic arguments linking quantum nonlinearity with Lorentz violation. The nonlinear equations also break discrete symmetries. We discuss the implications of our results for physics in the neutrino sector and cosmology.
title: Alteration of Key Cytokine Levels by Aflatoxin B1 and T-2 Toxin in Male CD-1 Mice
Creators: name: Dugyala, Raviprakash R.
Publisher: name: Utah State University
Year: 1995

description: Aflatoxin B1 and T-2 toxin are mycotoxins, which produce their immunotoxic effects by affecting nonspecific and acquired immunity in different species. The mechanisms of their immunotoxicity are still obscure. Cytokines are the key signaling molecules during the immune response. In this study, expression of macrophage-produced cytokines Interleukin-lα (IL-lα), tumor necrosis factor (TNF), and IL-6, and lymphocyte-produced cytokines IL-2, interferon y (IFNy), and IL-3 was measured at the mRNA and protein levels, after in vitro activation with mitogens in AFB1-and T-2-toxin-exposed mice.
Significant changes in the organ weights, especially in the mice exposed to a high dose of T-2 toxin, and no effect in AFB1-exposed mice were observed.
ConA-induced production of IL-2, IFNy, and IL-3 mRNA and protein levels in AFB1-exposed mice showed a decrease in low dose groups (significant for IL-2 mRNA), but no change at other doses. However, in T-2-toxin-treated animals, there was a significant induction of IL-2 and IFNy mRNA in high and low doses and of IL-3 mRNA at the medium dose. The protein levels of IL-2 and IFNy did not follow the mRNA levels in high dose and the protein levels of IL-3 were significantly increased in medium and low doses.
LPS-induced IL-lα and TNF mRNA and protein levels in AFB1-exposed mice were suppressed at the high dose while mRNA levels of both cytokines were increased significantly in the low and medium doses. Low and medium doses of AFB1 also significantly decreased IL-lα protein levels and the high dose decreased IL-6 protein. In T-2 toxin-treated mice, no significant difference in mRNA levels of these cytokines was observed but a general pattern of significant suppression of their protein levels (except IL-lα at medium dose) showed that both toxins regulate the cytokine expression differently.
Based on the above discussed results and others, AFB1 may alter cell-mediated immunity by affecting the communication between macrophages and T lymphocytes through inhibiting the macrophage-producing cytokines. T-2 toxin-induced immunosuppression may be due not only to the inhibition of macrophage-producing cytokines, but also to the lack of effector cells to respond to the cytokines (IL-2, IFNy, and IL-3).
title: Discussion as Exploration and its Effects in an Elementary Reading Class
Creators: name: Cena, Michael E.
Publisher: name: Utah State University
Year: 1995

description: Discussion as exploration has been proposed as an instructional paradigm for use in high-school literature instruction. Its proponents have explained that using it fosters an aesthetic literary environment. For the purpose of study, the paradigm was modified for use in an elementary fifth-grade reading class. A month-long investigation was conducted to explore the effects of using the paradigm, concerns an elementary teacher had as she implemented it, and its effects on participating students' literary stances. Research methodology included participant-observation, surveys, and a single-subject phase withdrawal component. Results of the study confirmed that (a) students were capable of using discussion as exploration, (b) using the paradigm led to movement among students' literary stances, and (c) discussion as exploration engaged groups of students in literature reflection.
Brush-like Interactions between Thermoresponsive Microgel Particles
Creators: name: Scheffold, Frank
name: Diaz-Leyva, Pedro
name: Reufer, Mathias
name: Braham, Nasser Ben
name: Lynch, Iseult
name: Harden, James L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Using a simplified microstructural picture we show that interactions between thermosenstive microgel particles can be described by a polymer brush like corona decorating the dense core. The softness of the potential is set by the relative thickness $L_0$ of the compliant corona with respect to the overall size of the swollen particle $R$. The elastic modulus in quenched solid phases derived from the potential is found in excellent agreement with diffusing wave spectroscopy (DWS) data and mechanical rheometry. Our model thus provides design rules for the microgel architecture and opens a route to tailor rheological properties of pasty materials.
Studies related to the synthesis of eremopbilane sesquiterpenes
Creators: name: Smillie, Robert Dean
Publisher: name: University of British Columbia
Year: 2011

description: The synthesis of decalone (122) has been achieved by two alternative methods. Stereoselective conjugate addition of lithium dimethylcuprate to the ketal octalone (131) afforded the ketal decalone (129). Wolff-Kishner reduction of the latter compound, followed by acidic hydrolysis produced decalone (122) contaminated with its epimer, decalone (148). A more -efficient procedure for the preparation of (122) involved an annelation of 2.3-dimethylcyclohexanone. The key step in this process was the reaction of the enol lactone (157) with methyllithium to produce, after appropriate aldol cyclization, octalone (69a). Subsequent hydrogenation of this compound afforded decalone (122). A naturally occurring sesquiterpene, fukinone, has recently been isolated and assigned structure (16). The total synthesis of racemic fukinone, reported herein, was achieved by the following sequence. The hydroxymethylene derivative of octalone (69a) was prepared. Hydrogenation of this compound, followed by oxidation with 2,3-dichloro-5,6-dicyanobenzoquinone afforded a critical intermediate, keto aldehyde (167). Oxidation of the latter and esterification of the resulting carboxylic acid (170) produced keto ester (171), which was subsequently hydrogenated to afford keto ester (172). Reaction of this compound with methyllithium and dehydration of the resulting alcohol afforded (±)-epi-fukinone (174). Olefinic isomerization of the latter produced (±)-fukinone (16). The synthesis of (±)-fukinone reported herein, establishes a stereoselective synthetic entry into the eremophilane class of sesquiterpenes.
Orbifold SUSY GUT from the Heterotic String
Creators: name: Kyae, Bumseok
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: From the string partition function, we discuss the mass-shell and GSO projection conditions valid for Kaluza-Klein (KK) as well as massless states in the heterotic string theory compactified on a nonprime orbifold. Based on the obtained conditions we construct a 4D string standard model, which is embedded in a 6D SUSY GUT by including KK states above the compactification scale. We discuss the stringy threshold corrections to gauge couplings, including the Wilson line effects.
description: To appear in the SUSY08 proceedings, 3 pages, LaTEX
title: Study of Circulating Antibodies to Heat-Shock Proteins 60 and 70 in Autistic Subjects
Creators: name: Chiu, Fang-Yi
Publisher: name: Utah State University
Year: 1994

description: Autism is a behavioral syndrome characterized by a severe impairment of reciprocal social relations, and of verbal and nonverbal communications. Many different etiologic factors such as viral infection and genetic predisposition have been proposed to explain the development of this disorder. Immune abnormalities, such as a decreased lymphoblastic response to T-cell mitogen, defective antibody responses to rubella vaccine, and decreased numbers of T lymphocytes, also have been identified in a subpopulation of patients with autism, which implies that the development of autism in some cases may be due to autoimmune mechanisms.
Recent evidence suggests that immune response to the heat-shock proteins 60 and 70 is associated with several autoimmune diseases, including juvenile arthritis, type 1 diabetes, and multiple sclerosis. Therefore, in this study, the plasmas of patients with autism were examined by enzyme linked immunosorbent assay (ELISA) for antibodies to the heat-shock proteins 60 and 70.
The autistic subjects were found to have increased levels of antibodies against heat-shock protein 70 as compared to that of age-matched controls (p=O. 0148). However, levels of antibodies to heat shock protein 60 in the autistic subjects showed considerable individual variation and no significant difference was found.
Abnormal immune reactions to myelin basic protein have also been found in autistic subjects. Since epitopes on myelin basic protein have been shown to crossreact with determinants on heat-shock protein 60, the similarity between anti-myelin basic protein monoclonal antibodies and antiheat- shock protein 60 antibodies in the autistic subjects was also studied. The results showed no crossreactivity between these two antibodies.
In conclusion, the data from the study of antibodies against heat-shock protein 70 suggest an elevated immune response to heat-shock protein 70 in autistic subjects. This result implies that autism could be an autoimmune disease.
The mass distribution in Spirals
Creators: name: Salucci, Paolo
name: Martins, Christiane Frigerio
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: In the past years a wealth of observations has unraveled the structural properties of the Dark and Luminous mass distribution in spirals. These have pointed out to an intriguing scenario not easily explained by present theories of galaxy formation. The investigation of individual and coadded objects has shown that the spiral rotation curves follow, from their centers out to their virial radii, a Universal profile (URC) that arises from the tuned combination of a stellar disk and of a dark halo. The importance of the latter component decreases with galaxy mass. Individual objects, on the other hand, have clearly revealed that the dark halos encompassing the luminous discs have a constant density core. This resulting observational scenario poses important challenges to presently favored theoretical $Λ$CDM Cosmology.
description: Version matching the Proceedings of the CRAL-IPNL conference "Dark Energy and Dark Matter", Lyon, 2008, references updated, an useful link provided
Some improved results on communication between information systems
Creators: name: Zhu, Ping
name: Wen, Qiaoyan
Publisher: name: arXiv
Year: 2010
Subjects: subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: To study the communication between information systems, Wang et al. [C. Wang, C. Wu, D. Chen, Q. Hu, and C. Wu, Communicating between information systems, Information Sciences 178 (2008) 3228-3239] proposed two concepts of type-1 and type-2 consistent functions. Some properties of such functions and induced relation mappings have been investigated there. In this paper, we provide an improvement of the aforementioned work by disclosing the symmetric relationship between type-1 and type-2 consistent functions. We present more properties of consistent functions and induced relation mappings and improve upon several deficient assertions in the original work. In particular, we unify and extend type-1 and type-2 consistent functions into the so-called neighborhood-consistent functions. This provides a convenient means for studying the communication between information systems based on various neighborhoods.
description: 12 pages
Kinematic twist-three contributions to pseudo- and quasi-GPDs and translation invariance
Creators: name: Braun, V. M.
Publisher: name: Universität Regensburg
Year: 2023
Subjects: subject: Lattice QCD, Parton Distributions, Specific QCD Phenomenology
subject: 530 Physik

description: We present explicit expressions for the tree-level “kinematic” twist-three
contributions to the nucleon matrix elements of gauge-invariant nonlocal quark-antiquark operators which can be used in lattice calculations of generalized parton distributions (GPDs). These contributions in particular restore the translation invariance of the results up to higher twist four. The calculated twist-three corrections are logarithmically enhanced as compared to the leading twist, and are discontinuous at the kinematic points x = ±ξ.