cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Cultural Diversity Determining the Memory of a Controversial Social Event
Creators: name: Paspalanova, Elena
name: Paspalanova, Elena
Publisher: name: Unknown
Year: 2006
Subjects: Labor and Human Capital

description: A social event from the near past socio-political policy in Bulgaria - "State policy of changing the names of Turkish population living in Bulgaria" as a major element of the state revival process aiming at exterminating the ethnic differences in Bulgaria - was chosen to study the influence of cultural diversity on memories of that event. The study aims at revealing the hypothesized complex structure of indicators of cultural diversity, which determines memory of the social event. In respect to the controversial event being an object of the memory, the following indices of cultural diversity are chosen: Ethnicity (Bulgarians vs Turks), Religion (Christian Orthodox vs Muslim), Maternal language (Bulgarian vs Turkish), National identity (Bulgarian / Turkish vs European). The research focuses on the "cultural" characteristics of the self as an "experiencer" / "rememberer" as well, namely social orientation (individualistic vs collectivistic). A final set of control variables is the panel of socio-demographic characteristics (gender, age, educational level, and monthly income) included in order to clarify the expected multifaceted picture of the cultural diversity influencing the memory of a social event.
511 keV line from Q balls in the Galactic Center
Creators: name: Kasuya, Shinta
name: Takahashi, Fuminobu
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The 511 keV photons from the galactic center can be explained by positrons produced through Q-ball decay. In the scheme of gauge-mediated supersymmetry breaking, large Q balls with lepton charge are necessarily long-lived. In particular, the lifetime can be as long as (or even longer than) the age of the universe. If kinematically allowed, such large Q balls decay into positrons, which eventually annihilate with electrons into 511 keV photons. Our scenario is realized within the minimal supersymmetric standard model in the inflationary universe, which is very plausible.
description: 5 pages, published version
Low luminosity Type II supernovae III. SN 2018hwm, a faint event with an unusually long plateau
Creators: name: Reguitti, A.
name: Pumo, M. L.
name: Mazzali, P. A.
name: Pastorello, A.
name: Pignata, G.
name: Elias-Rosa, N.
name: Prentice, S. J.
name: Reynolds, T.
name: Benetti, S.
name: Mattila, S.
name: Kuncarayakti, H.
name: Rodriguez, O.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In this work, we present photometric and spectroscopic data of the low-luminosity Type IIP supernova (SN) 2018hwm. The object shows a faint ($M_r=-15$ mag) and very long ($\sim$130 days) plateau, followed by a 2.7 mag drop in the $r$-band to the radioactive tail. The first spectrum shows a blue continuum with narrow Balmer lines, while during the plateau the spectra show numerous metal lines, all with strong and narrow P-Cygni profiles. The expansion velocities are low, in the 1000-1400 km s$^{-1}$ range. The nebular spectrum, dominated by H$α$ in emission, reveals weak emission from [O I] and [Ca II] doublets. The absolute light curve and spectra at different phases are similar to those of low-luminosity SNe IIP. We estimate that 0.0085 $M_{\odot}$ of $^{56}$Ni mass were ejected, through hydrodynamical simulations. The best fit of the model to the observed data is found for an extremely low explosion energy of 0.075 foe, a progenitor radius of 845 $R_{\odot}$ and a final progenitor mass of 9-10 $M_{\odot}$. Finally, we performed a modeling of the nebular spectrum, to establish the amount of oxygen and calcium ejected. We found a low M($^{16}$O)$\approx 0.02$ $M_{\odot}$, but a high M($^{40}$Ca) of 0.3 $M_{\odot}$. The inferred low explosion energy, the low ejected $^{56}$Ni mass and the progenitor parameters, along with peculiar features observed in the nebular spectrum, are consistent with both an electron-capture SN explosion of a super-asymptotic giant branch star and with a low-energy, Ni-poor iron core-collapse SN from a 10-12 $M_{\odot}$ red supergiant.
description: 15 pages, 8 figures, 6 tables, updated the progenitor parameters after the submission of an Erratum
The capacity of community-based planning to reduce urban poverty : a case study of Gondolayu Lor in Yogyakarta, Indonesia
Creators: name: Beard, Victoria A.
Publisher: name: University of British Columbia
Year: 2009

description: The rational comprehensive approach to planning has proven unable to reduce urban poverty due either to the exclusion or to the inappropriate inclusion of indigenous knowledge in planning practice. As an alternative, this dissertation analyzes (1) the capacity of local residents to apply their indigenous, contextual, experience-based knowledge towards the reduction of urban poverty and (2) the processes by which they do so. The research was based on an ethnographic case study of a single, low-income, urban neighborhood, Gondolayu Lor, in Yogyakarta, Indonesia. The primary research methods included: 22 months of field observation, 48 in-depth interviews, 44 oral histories, and a census of the 275 households in the case study community. The dissertation found that local residents conceptualized poverty in terms of multifaceted deprivation, and for the purposes of community-based planning, three manifestations of poverty were identified for alleviation: (1) land tenure insecurity, (2) lack of preventive health care, and (3) the inaccessibility of information and reading materials. Through an analysis of community-based planning efforts in these areas, this study uncovered a diverse array of social spaces that provided windows of opportunity as well as obstacles to the community's poverty alleviation efforts. It was concluded that the capacity of indigenous knowledge depends largely on the ability of local residents to navigate these spaces. At times, this required commumty activists to redefine existing spaces, create new spaces, and/or abandon those that were deemed ineffective. It was also found that local residents engaged in community-based planning in a way not previously accounted for in either the inclusion or social mobilization models of citizen participation. This alternative form of citizen participation, referred to as pragmatic empowerment, was incremental in nature, grassroots in origin, yet practical (as opposed to political) in its objectives. In conclusion, the three examples of community-based planning analyzed demonstrate that local residents hold valuable knowledge for alleviating community-level poverty; however, they were unable to address chronic household-level poverty. In terms of implications for practice, this finding led the author to conclude that, in addition to community-based planning, a reliable social safety net must be provided if household-level poverty is to be substantially reduced in the future.
Entry and Exit Strategies in Migration Dynamics
Creators: name: Vergalli, Sergio
name: Vergalli, Sergio
Publisher: name: Unknown
Year: 2006
Subjects: Labor and Human Capital

description: This work is devoted to study the role of combined entry and exit strategies in the migration process. We develop a real option model in which the community of immigrants in the host country is described as a club and the immigrants benefits is a U-shaped function, depending on the dimension of the district. There exist two threshold levels: the first one triggers the migration choice, while the second triggers the return to the country of origin. The theoretical results show that the phenomenon of hysteresis is amplified by the existence of a community both in the entry case and in the exit case. Furthermore, the community can reduce the minimum wage level required to trigger both exit and entry: this fact could explain why in some cases we observe migration inflows with a low wage differential and also with underunemployment. We show also some possible further extensions of the model: in one case we introduce a possible way to select the entrants' skills and in another case we show some theoretical implementations to include possible policy shocks in the migrant's choice.
Signatures of Liouvillian exceptional points in a quantum thermal machine
Creators: name: Khandelwal, Shishir
name: Brunner, Nicolas
name: Haack, Géraldine
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Viewing a quantum thermal machine as a non-Hermitian quantum system, we characterize in full generality its analytical time-dependent dynamics by deriving the spectrum of its non-Hermitian Liouvillian for an arbitrary initial state. We show that the thermal machine features a number of Liouvillian exceptional points (EPs) for experimentally realistic parameters, in particular a third-dorder exceptional point that leaves signatures both in short and long-time regimes. Remarkably, we demonstrate that this EP corresponds to a regime of critical decay for the quantum thermal machine towards its steady state, bearing a striking resemblance with a critically damped harmonic oscillator. These results open up exciting possibilities for the precise dynamical control of quantum thermal machines exploiting exceptional points from non-Hermitian physics and are amenable to state-of-the-art solid-state platforms such as semiconducting and superconducting devices.
description: 6 pages, discussion on critical decay expanded
The Minority Game Unpacked: Coordination and Competition in a Team-based Experiment
Creators: name: Devetag, Giovanna
name: Pancotto, Francesca
name: Brenner, Thomas
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2011
Subjects: SECS-P/01 Economia politica

description: In minority games, players in a group must decide at each round which of two available options to choose, knowing that only subjects who picked the minority option obtain a positive reward. Previous experiments on the minority and similar congestion games have shown that players interacting repeatedly are remarkably able to coordinate efficiently, despite not conforming to Nash equilibrium behavior. We conduct an experiment on a minority-of-three game in which each player is a team composed by three subjects. Each team can freely discuss its strategies in the game and decisions must be made via a majority rule. Team discussions are recorded and their content analyzed to detect evidence of strategy co-evolution among teams playing together. Our main results of team discussion analysis show no evidence supporting the mixed strategy Nash equilibrium solution, and support a low-rationality, backward-looking approach to model behavior in the game, more consistent with reinforcement learning models than with belief-based models. Showing level-2 rationality (i.e., reasoning about others' beliefs) is positively and significantly correlated with higher than average earnings in the game, showing that a mildly sophisticated approach pays off. In addition, teams that are more successful tend to become more egocentric over time, paying more attention to their own past successes than to the behavior of other teams. Finally, we find evidence of mutual adaptation over time, as teams that are more strategic (i.e., they pay more attention to other teams' moves) induce competing teams to be more egocentric instead. Our results contribute to the understanding of coordination dynamics resting on heterogeneity and co-evolution of decision rules rather than on conformity to equilibrium behavior. In addition, they provide support at the decision process level to the validity of modeling behavior using low-rationality reinforcement learning models.
The Mu3e Data Acquisition
Creators: name: Augustin, Heiko
name: Berger, Niklaus
name: Bravar, Alessandro
name: Briggl, Konrad
name: Chen, Huangshan
name: Corrodi, Simon
name: Dittmeier, Sebastian
name: Gayther, Ben
name: Gerritzen, Lukas
name: Gottschalk, Dirk
name: Hartmann, Ueli
name: Hesketh, Gavin
name: Köppel, Marius
name: Kilani, Samer
name: Kozlinskiy, Alexandr
name: Aeschbacher, Frank Meier
name: Müller, Martin
name: Munwes, Yonathan
name: Perrevoort, Ann-Kathrin
name: Ritt, Stefan
name: Schöning, André
name: Schultz-Coulon, Hans-Christian
name: Shen, Wei
name: Vigani, Luigi
name: Bruch, Dorothea vom
name: Wauters, Frederik
name: Wiedner, Dirk
name: Zhong, Tiancheng
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: The Mu3e experiment aims to find or exclude the lepton flavour violating decay $μ^+\to e^+e^-e^+$ with a sensitivity of one in 10$^{16}$ muon decays. The first phase of the experiment is currently under construction at the Paul Scherrer Institute (PSI, Switzerland), where beams with up to 10$^8$ muons per second are available. The detector will consist of an ultra-thin pixel tracker made from High-Voltage Monolithic Active Pixel Sensors (HV-MAPS), complemented by scintillating tiles and fibres for precise timing measurements. The experiment produces about 100 Gbit/s of zero-suppressed data which are transported to a filter farm using a network of FPGAs and fast optical links. On the filter farm, tracks and three-particle vertices are reconstructed using highly parallel algorithms running on graphics processing units, leading to a reduction of the data to 100 Mbyte/s for mass storage and offline analysis. The paper introduces the system design and hardware implementation of the Mu3e data acquisition and filter farm.
description: 8 pages, 9 figures Submitted to IEEE TNS
Cultural Diversity in People's Attitudes and Perceptions
Creators: name: Petkova, Diana
name: Petkova, Diana
Publisher: name: Unknown
Year: 2006
Subjects: Labor and Human Capital

description: This paper shares the approach of social constructivism, and maintains that diversity should be examined not "par excellence", as an entity in itself, but as reflected in people's minds and expressed in their attitudes and perceptions. On the basis of an empirical Bulgarian-Finnish intercultural research the paper states that diversity is not essential, given and unproblematic. Rather, it undergoes constant evolution. What is considered now "different" can in future be seen as more or less "similar". The informants characterized people with a religious, ethnic or racial background, other than theirs, as "distant" and "different", while people belonging to groups with the same origin were designated as "similar" and "close". This means that cultural diversity can also be translated into a social-psychological distance. Thus diversity is context-bound and cultural groups are always seen and appraised from the perspective of one's own particular cultural paradigm.
Critical wave-packet dynamics in the power-law bond disordered Anderson Model
Creators: name: Lima, R. P. A.
name: de Moura, F. A. B. F.
name: Lyra, M. L.
name: Nazareno, H. N.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We investigate the wave-packet dynamics of the power-law bond disordered one-dimensional Anderson model with hopping amplitudes decreasing as $H_{nm}\propto |n-m|^{-α}$. We consider the critical case ($α=1$). Using an exact diagonalization scheme on finite chains, we compute the participation moments of all stationary energy eigenstates as well as the spreading of an initially localized wave-packet. The eigenstates multifractality is characterized by the set of fractal dimensions of the participation moments. The wave-packet shows a diffusive-like spread developing a power-law tail and achieves a stationary non-uniform profile after reflecting at the chain boundaries. As a consequence, the time-dependent participation moments exhibit two distinct scaling regimes. We formulate a finite-size scaling hypothesis for the participation moments relating their scaling exponents to the ones governing the return probability and wave-function power-law decays.
Ion Irradiation Control of Ferromagnetism in (Ga,Mn)As
Creators: name: Kato, H.
name: Hamaya, K.
name: Taniyama, T.
name: Kitamoto, Y.
name: Munekata, H.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report on a promising approach to the artificial modification of ferromagnetic properties in (Ga,Mn)As using a Ga$^+$ focused ion beam (FIB) technique. The ferromagnetic properties of (Ga,Mn)As such as magnetic anisotropy and Curie temperature can be controlled using Ga$^+$ ion irradiation, originating from a change in hole concentration and the corresponding systematic variation in exchange interaction between Mn spins. This change in hole concentration is also verified using micro-Raman spectroscopy. We envisage that this approach offers a means of modifying the ferromagnetic properties of magnetic semiconductors on the micro- or nano-meter scale.
description: 4 pages, 4 figures, to appear in Jpn. J. Appl. Phys. (Part 2 Letters)
Equilibrium Selection in a Cashless Economy with Transaction Frictions in the Bond Market
Creators: name: Marzo, Massimiliano
name: Zagaglia, Paolo
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2011
Subjects: SECS-P/01 Economia politica

description: The present paper introduces two bonds in a standard New-Keynesian model to study the role of segmentation in bond markets for the determinacy of rational expectations equilibria. We use a strongly-separable utility function to model ‘liquid’ bonds that provide transaction services for the purchase of consumption goods. ‘Illiquid’ bonds, instead, provide the standard services of store of value. We interpret liquid bonds as mimicking short-term instruments, and illiquid bonds to represent long-dated instruments. In this simple setting, the expectation hypothesis holds after log-linearizing the model and after pricing the bonds according to an affine scheme. We assume that monetary policy follows a standard Taylor rule. In this context, the inflation targeting parameter should be higher than one for determinacy of rational expectations equilibria to be achieved. We compute an analytical solution for the bond pricing kernel. We also show that the possibility of obtaining this analytical solution depends on the type of utility function. When utility is weakly separable between consumption and liquid bonds, the Taylor principle holds conditional to the output and inflation coefficients in the Taylor rule. Achieving solution determinacy requires constraining these coefficients within bounds that depend on the structural parameters of the model, like the intertemporal elasticity of consumption substitution.
Kentucky CBR’s and the Soil Support Value
Creators: name: Hopkins, Tommy C.
name: Deen, Robert C.
Publisher: name: Kentucky Transportation Center, University of Kentucky
Year: 1973
Subjects: subject: Transportation Engineering

description: Several ASTM and Kentucky CBR tests were performed at different molding moisture contents and compactive energies on the AASHO embankment soil, four representative Kentucky soils, and one soil from Ohio. These data were compared to CBR data previously reported by Shook and Fang. For CBR's ranging from about 4 to 12, a relationship was developed between Kentucky and ASTM CBR's. Within this range, Kentucky and ASTM CBR's are approximately equal. Molding specimens under the static pressure of 2000 pounds per square inch as used in the Kentucky CBR procedure produced specimens with initial dry densities that averaged about 6 percent higher than those obtained by AASHO Designation: T99-57. CBR's and axial swell values were also higher. For soil specimens molded at the same initial dry density, CBR's of statically compacted specimens are distinctively lower than those observed for dynamically compacted specimens. For relatively small decreases in initial dry densities, there were very large decreases in CBR's. This probably accounts for discrepancies that have been observed between field and laboratory CBR's.  Three different correlations between Kentucky CBR's and the AASHO Road Test soil support values were developed. The first relationship was made by assuming a logarithmic scale between Kentucky CBR's of 5.2 and 100, which corresponded to values on the soil support scale of 3 and 10, respectively. The Kentucky CBR of 5.2 was determined by performing tests on the AASHO road subgrade soils. For practical purposes, the AASHO Road Test crushed stone base material was assumed to be a "100 percent CBR material" (this assumption was based on CBR data previously reported by Shook and Fang). The second correlation was obtained by assuming a logarithmic scale between Kentucky CBR's of 5.2 and 90, corresponding to values on the soil support scale of 3 and 10, respectively. The third relationship was constructed through computations using the Kentucky flexible pavement design curves and the AASHO Design Chart (Pt= 2.5). A correlation was found between a Kentucky CBR of 5.2 determined by tests and 5.7 determined through computations based on 1958 design curves and 6.2 based on 1971 curves.
Identity and Self-Other Differentiation in Work and Giving Behaviors: Experimental Evidence
Creators: name: Stephane, Massoud
name: McCall, Brian P.
name: Ben-Ner, Avner
name: Wang, Hua
name: Stephane, Massoud
name: McCall, Brian P.
name: Ben-Ner, Avner
name: Wang, Hua
Publisher: name: Unknown
Year: 2006
Subjects: Labor and Human Capital

description: We show that the distinction between Self and Other, "us" and "them," or in-group and out-group, affects significantly economic and social behavior. In a series of experiments with approximately 200 Midwestern students as our subjects, we found that they favor those who are similar to them on any of a wide range of categories of identity over those who are not like them. Whereas family and kinship are the most powerful source of identity in our sample, all 13 potential sources of identity in our experiments affect behavior. We explored individuals' willingness to give money to imaginary people, using a dictator game setup with hypothetical money. Our experiments with hypothetical money generate essentially identical data to our experiments with actual money. We also investigated individuals' willingness to share an office with, commute with, and work on a critical project critical to their advancement with individuals who are similar to themselves (Self) along a particular identity dimension than with individuals who are dissimilar (Other). In addition to family, our data point to other important sources of identity such as political views, religion, sports-team loyalty, and music preferences, followed by television-viewing habits, dress type preferences, birth order, body type, socio-economic status and gender. The importance of the source of identity varies with the type of behavior under consideration.
Settlement of Highway Bridge Approaches and Embankment Foundations, Bluegrass Parkway Bridges over Chaplin River
Creators: name: Hopkins, Tommy C.
Publisher: name: Kentucky Transportation Center, University of Kentucky
Year: 1973
Subjects: subject: Transportation Engineering

description: The report examines the cause of a differential settlement between the highway approach embankments and bridge decks and abutment tilting at a bridge site located on the Bluegrass Parkway in Kentucky. The site contains several design, construction and maintenance features and soil types that are typical of many bridge sites in Kentucky. The approach embankments are side-hill fills. The approach pavements have settled several inches and have been patched on numerous occasions. Each of the four abutments give the appearance of having tilted backward toward the backfill. However, closer examination shows that the abutments have moved laterally toward the bridge ends and are bearing against the steel girder spans. Slope inclinometer readings obtained at each approach embankment over a two-year period shows that the approach fills have moved toward the bridge ends some three inches. The front portion of the western fill failed in 1969, some four years after construction, and exposed several feet of piling. Shear strength of the embankment and foundation soils were established from consolidated isotropic, undrained triaxial tests with pore pressure measurements and consolidated drained, direct shear tests. Slope stability analyses were performed using a computerized solution of Bishop's simplified method of slices. Study results show that the approaches settled as a result of embankment instability due to progressive failure. Based on peak shearing strength of the soils, the long-term safety factors of the approach embankments ranged from 0.96 to 1.03. Based on residual strength, the long-term safety factors were about 0.70. Consequently, the western embankment failed apparently as a result of a (time-conditioned) gradual decrease of the shear strength of the soils. Slope indicator data indicate that progressive failure is spreading; movement of the embankments is continuing. Stability of the approach fills, abutments and piles is precarious. Several remedial solutions are described.
Stationary states of a spherical Minority Game with ergodicity breaking
Creators: name: Galla, Tobias
name: Sherrington, David
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Trading and Market Microstructure (q-fin.TR)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: Using generating functional and replica techniques, respectively, we study the dynamics and statics of a spherical Minority Game (MG), which in contrast with a spherical MG previously presented in J.Phys A: Math. Gen. 36 11159 (2003) displays a phase with broken ergodicity and dependence of the macroscopic stationary state on initial conditions. The model thus bears more similarity with the original MG. Still, all order parameters including the volatility can computed in the ergodic phases without making any approximations. We also study the effects of market impact correction on the phase diagram. Finally we discuss a continuous-time version of the model as well as the differences between on-line and batch update rules. Our analytical results are confirmed convincingly by comparison with numerical simulations. In an appendix we extend the analysis of the earlier spherical MG to a model with general time-step, and compare the dynamics and statics of the two spherical models.
description: 26 pages, 8 figures; typo corrected
Migration Dynamics
Creators: name: Moretto, Michele
name: Vergalli, Sergio
name: Moretto, Michele
name: Vergalli, Sergio
Publisher: name: Unknown
Year: 2005
Subjects: Labor and Human Capital

description: This paper tries to explain why most migration flows show some observable jumps in their processes, a phenomenon that seems to be sympathetic with the characteristic of irreversibility of migration. We present a real option model where the choice to migrate depends on both the differential wage between the host country and the country of origin, and on the probability of being fully integrated into the host country. The theoretical results show that the optimal migration decision of a single individual consists of waiting before migrating in a (coordinate) mass of individuals. The dimension of the migration flow depends on the behavioural characteristics of the ethnic groups: the more "sociable" they are, the larger the size of the wave and the lower the differential wage required. A second part of the paper is devoted to calibrating the model and simulating some migration flows to Italy in the last decade. The calibration is able to replicate the observable migration jumps in the short term. In particular, the calibrated model is able to conjecture the induced labour demand elasticity level of the host country and the behavioural rationale of the migrants.
Stability of a Side-Hill Embankment
Creators: name: Hopkins, Tommy C.
name: Girdler, Harry F.
name: Yoder, Steve M.
Publisher: name: Kentucky Transportation Center, University of Kentucky
Year: 1973
Subjects: subject: Transportation Engineering

description: The report submitted herein is a case history describing observations and in-depth analyses made at a highway site involving a massive, unstable side-hill embankment located on I-64 in Boyd County. The in-depth study was initiated in January 1973. The I-64 site was selected for study because it contained several design, construction and maintenance features as well as soil types that are typical of many highway embankments in Kentucky. Side-hill fill situations are common design problems and oftentimes have required extensive maintenance after construction. Major objectives of the study were to 1) determine the causes of instability of the I-64 embankment, 2) check a remedial solution previously reported for the I-64 site and present alternative solutions if necessary, 3) determine short-term (initial) and long-term safety factors of the embankment slopes, and 4) compare theoretical shear surfaces obtained from a slope stability program based on Bishop's simplified method of slices with actual failure points obtained from slope indicators and surface observations. All slope stability computations were carried out in terms of effective stress using shear strength parameters obtained from consolidated, isotropic, undrained triaxial tests with pore pressure measurements.
Improved Spin Dependent Limits from the PICASSO Dark Matter Search Experiment
Creators: name: The PICASSO Collaboration
name: Barnabe-Heider, M.
name: Behnke, E.
name: Clark, K.
name: Di Marco, M.
name: Doane, P.
name: Feighery, W.
name: Genest, M. -H.
name: Gornea, R.
name: Guenette, R.
name: Kanagalingam, S.
name: Krauss, C. B.
name: Leroy, C.
name: Lessard, L.
name: Levine, I.
name: Martin, J. -P.
name: Muthusi, C.
name: Noble, A. J.
name: Noulty, R.
name: Wichoski, U.
name: Zacek, V.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The PICASSO experiment reports an improved limit for the existence of cold dark matter WIMPs interacting via spin-dependent interactions with nuclei. The experiment is installed in the Sudbury Neutrino Observatory at a depth of 2070 m. With superheated C4F10 droplets as the active material, and an exposure of 1.98+-0.19 kgd, no evidence for a WIMP signal was found. For a WIMP mass of 29 GeV/c2, limits on the spin-dependent cross section on protons of sigma_p = 1.31 pb and on neutrons of sigma_n = 21.5 pb have been obtained at 90% C.L. In both cases, some new parameter space in the region of WIMP masses below 20 GeV/c2 has now been ruled out. The results of these measurements are also presented in terms of limits on the effective WIMP-proton and neutron coupling strengths a_p and a_n.
description: 24 pages, 6 figures; text expanded for clarity, new figure added. To be published in Phys. Lett. B
Weak topological insulating phases of hard-core-bosons on the honeycomb lattice
Creators: name: Ghosh, Amrita
name: Grosfeld, Eytan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study the phases of hard-core-bosons on a two-dimensional periodic honeycomb lattice in the presence of an on-site potential with alternating sign along the different y-layers of the lattice. Using quantum Monte Carlo simulations supported by analytical calculations, we identify a weak topological insulator, characterized by a zero Chern number but non-zero Berry phase, which is manifested at either density 1/4 or 3/4, as determined by the potential pattern. Additionally, a charge-density-wave insulator is observed at 1/2-filling, whereas the phase diagram at intermediate densities is occupied by a superfluid phase. The weak topological insulator is further shown to be robust against any amount of nearest-neighbor repulsion, as well as weak next-nearest-neighbor repulsion. The experimental realization of our model is feasible in an optical lattice setup.
description: New references added. Introduction modified. A new appendix and two new figures added
Impact of Cultural Differences on Knowledge Transfer in British, Hungarian and Polish Enterprises
Creators: name: Hauke, Aleksandra
name: Hauke, Aleksandra
Publisher: name: Unknown
Year: 2006
Subjects: Institutional and Behavioral Economics

description: The aim of the article is to verify the hypothesis, that despite the cultural differences existing among Great Britain, Hungary and Poland, all enterprises put much effort to ensure good conditions for knowledge sharing by their employees. It consists of two major parts. In the first one, the theoretical concepts of culture and knowledge are presented. In the second part, the interpretation of results obtained in research on macro and micro level analyses in three European countries are shown. The macro level analysis is based on the differences in cultural dimensions presented by G. Hofstede and R. Gestland while the micro level analysis is conducted based on the results of empirical investigation carried out by International Research Group: Marketing in the XXI century, among companies operating in Great Britain, Hungary and Poland. Results obtained through this survey are compared with cultural dimensions in order to see how significant the distance between the received theory and empirical investigation is.
How to use a fishing method called "dugi de lodo"
Creators: name: Rudolph, Johnny (Soni)
name: Ding, Lydia
name: Drummond, Emily
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2020
Subjects: subject: nkr

description: One .mov video file, one .wav audio file, and one .eaf ELAN transcription file for an interview describing a fishing method called "dugi de lodo".
Ökumenische Zusammenarbeit in Fragen der christlichen Sozialethik
Creators: name: Scheuner, Ulrich
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 30 Nr. 3 (1981): Ökumenische Rundschau, Band 30, Heft 3
Risk-Sensitive Motion Planning using Entropic Value-at-Risk
Creators: name: Dixit, Anushri
name: Ahmadi, Mohamadreza
name: Burdick, Joel W.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: Robotics (cs.RO)
subject: Optimization and Control (math.OC)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: We consider the problem of risk-sensitive motion planning in the presence of randomly moving obstacles. To this end, we adopt a model predictive control (MPC) scheme and pose the obstacle avoidance constraint in the MPC problem as a distributionally robust constraint with a KL divergence ambiguity set. This constraint is the dual representation of the Entropic Value-at-Risk (EVaR). Building upon this viewpoint, we propose an algorithm to follow waypoints and discuss its feasibility and completion in finite time. We compare the policies obtained using EVaR with those obtained using another common coherent risk measure, Conditional Value-at-Risk (CVaR), via numerical experiments for a 2D system. We also implement the waypoint following algorithm on a 3D quadcopter simulation.
description: Accepted to 2021 European Control Conference (ECC)
Magneto-transport and Magneto-dielectric effect in Bi-based Perovskite Manganites
Creators: name: Kundu, Asish K.
name: Ranjith, R.
name: Pralong, V.
name: Caignaert, V.
name: Raveau, B.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The effect of cobalt and nickel substitutions for manganese on the physical properties of the perovskite manganite La1.2Bi0.8Mn2-x(Ni/Co)xO6+d, with x = 0.0-0.8, has been investigated. It is observed that the ferromagnetism is enhanced, TC being increased from 103 K for the parent compound (x = 0.0) to 178 K for Ni-phase, and to 181 K for the Co-phase (x = 0.8). Moreover, the systems remain insulating and depict relatively large values of magnetoresistance effect at low temperatures (up to 67 % at 90K and 70 kOe, for x = 0.0 phase). These phenomena are interpreted by means of electronic phase separation, where the ferromagnetic Mn4+/Ni2+ and Mn4+/Co2+ interactions reinforce the Mn3+/Mn4+ interactions by super-exchange interaction. The dielectric measurements below the magnetic transition temperatures exhibit weak magneto-dielectric effect of around 0.25% at 80K, which may be due to spin-lattice interaction.
description: 34 pages, parts of the work is published in JMC
Tartan Surfacing for an Equestrian Overpass
Creators: name: Newberry, Donald C.
Publisher: name: Kentucky Transportation Center, University of Kentucky
Year: 1973
Subjects: subject: Transportation Engineering

description: The location of I 64 in Jefferson County traverses Seneca Park, noted for its scenic beauty and superior recreational facilities. A bridle path in Seneca Park necessitated construction of an overpass for equine traffic. A non-slip and sound-deadening, resilient surface was essential for aesthetics and safety. Tartan, a rubbery mat developed primarily for race course and paddock surfaces, was specified and installed on the overpass.
Dynamical Characteristics of Global Stock Markets Based on Time Dependent Tsallis Non-Extensive Statistics and Generalized Hurst Exponents
Creators: name: Antoniades, Ioannis P.
name: Karakatsanis, Leonidas P.
name: Pavlos, Evgenios G.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Statistical Finance (q-fin.ST)
subject: FOS: Economics and business
subject: G.3
subject: 62P

description: We perform non-linear analysis on stock market indices using time-dependent extended Tsallis statistics. Specifically, we evaluate the q-triplet for particular time periods with the purpose of demonstrating the temporal dependence of the extended characteristics of the underlying market dynamics. We apply the analysis on daily close price timeseries of four major global markets (S&P 500, Tokyo-NIKKEI, Frankfurt-DAX, London-LSE). For comparison, we also compute time-dependent Generalized Hurst Exponents (GHE) Hq using the GHE method, thus estimating the temporal evolution of the multiscaling characteristics of the index dynamics. We focus on periods before and after critical market events such as stock market bubbles (2000 dot.com bubble, Japanese 1990 bubble, 2008 US real estate crisis) and find that the temporal trends of q-triplet values significantly differ among these periods indicating that in the rising period before a bubble break, the underlying extended statistics of the market dynamics strongly deviates from purely stochastic behavior, whereas, after the breakdown, it gradually converges to the Gaussian-like behavior which is a characteristic of an efficient market. We also conclude that relative temporal variation patterns of the Tsallis q-triplet can be connected to different aspects of market dynamics and reveals useful information about market conditions especially those underlying the development of a stock market bubble. We found specific temporal patterns and trends in the relative variation of the indices in the q-triplet that distinguish periods just before and just after a stock-market bubble break. Differences between endogenous and exogenous stock market crises are also captured by the temporal changes in the Tsallis q-triplet. Finally, we introduce two new time-dependent empirical metrics (Q-metrics) that are functions of the Tsallis q-triplet.
description: 30 pages, 6 figures
VGCF Detection of Galaxy Systems at Intermediate Redshift
Creators: name: Barrena, R.
name: Ramella, M.
name: Boschin, W.
name: Nonino, M.
name: Biviano, A.
name: Mediavilla, E.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We continue the development of our Voronoi Galaxy Cluster Finder (VGCF) technique by applying it to galaxy catalogs obtained with B and R band observations of four high galactic latitude fields of 0.5x0.5 square degrees each. These fields are deep R_lim ~23, B_lim ~26 and partially overlap the Palomar Distant Cluster Survey (PDCS) fields at 0h and 2h. We run the VGCF also on the original V and I bands PDCS galaxy catalogs. We identify a total of 48 clusters that are particularly reliable being detected in at least two bands. The analysis of color-magnitude diagrams and, in a few cases, spectroscopic observations allow us to further increase the reliability of 25 of the 48 clusters. For these 26 clusters we also estimate redshifts that fall in the approximate range 0.2 < z < 0.6. We detect 41 VGCF clusters within the strict limits of the PDCS fields at 0h and 2h. The PDCS catalog for the same regions consists of 28 clusters. The two catalogs have 20 clusters in common. These clusters together with the remaining PDCS and VGCF clusters lead to a total number of 46 "independent" clusters. The total number of clusters is therefore 20% larger than the number of VGCF clusters and more than 60% larger than the number of PDCS clusters. These results confirm a) that the VGCF is a competitive algorithm for the identification of optical clusters, and b) that a combined catalog of matched-filter and VGCF clusters constitutes a significant progress toward a more complete selection of clusters from bidimensional optical data.
description: 15 pages, 6 figures, accepted in A&A
Genomic mapping, functional analysis and bioinformatics of the Werner syndrome locus (WRN)
Creators: name: Bruskiewich, Richard Michael Maurice
Publisher: name: University of British Columbia
Year: 2009

description: Werner syndrome is a human genetic disorder exhibiting a phenotype of premature senility with adolescent age of onset. Genetic analysis supported the hypothesis that Werner syndrome is a lesion in a single locus, WRN, assigned to the short arm of human chromosome 8 by genetic linkage to a polymorphic marker, D8S87 (Goto et al, 1992). The primary goal of this thesis was the structural and functional genomic characterization of WRN. The thesis consists of two parts. The first part undertook fine scale refinement of the genetic and physical map of the candidate genome interval from markers D8S87 to D8S137. The second part applied bioinformatics to the functional analysis of WRN through comparative sequence analysis of the DExH DNA helicase gene family. The bioinformatics work exploited software enhancements of the "A Caenorhabditis elegans Database" (ACEDB) genomic database management program that I developed during the thesis project period. The results of the genomic analysis phase of this thesis included the development of three polymorphic genetic markers, including one for LHRH - an important gene involved in human reproduction. One marker, D8S2297, was placed into the WRN candidate region by genetic and long range physical map construction spanning D8S339, a marker with reported linkage to WRN. The positions of three genes - GTF2E2, GSR and PPP2CB - were refined upon this map. The bioinformatics phase of the thesis provided molecular phylogenetic analysis to demonstrate orthology relationships of WRN homologous loci. Multiple sequence alignments of orthologous loci provides a good means of elucidating critical amino acid residue motifs with structural or function roles specific to these genes.
Rethinking the Gains from Immigration: Theory and Evidence from the U.S.
Creators: name: Ottaviano, Gianmarco I.P.
name: Peri, Giovanni
name: Ottaviano, Gianmarco I.P.
name: Peri, Giovanni
Publisher: name: Unknown
Year: 2006
Subjects: Labor and Human Capital

description: The standard empirical analysis of immigration, based on a simple labor demand and labor supply framework, has emphasized the negative impact of foreign born workers on the average wage of U.S.-born workers (particularly of those without a high school degree). A precise assessment of the average and relative effects of immigrants on U.S. wages, however, needs to consider labor as a differentiated input in production. Workers of different educational and experience levels are employed in different occupations and are therefore imperfectly substitutable. When taking this approach, one realizes that foreign-born workers are "complements" of U.S.-born workers in two ways. First, foreign-born residents are relatively abundant in the educational groups in which natives are scarce. Second, their choice of occupations for given education and experience attainments is quite different from that of natives. This implies that U.S.- and foreign-born workers with similar education and experience levels are imperfectly substitutable. Accounting carefully for these complementarities and for the adjustment of physical capital induced by immigration, the conventional finding of immigration's impact on native wages is turned on its head: overall immigration over the 1980- 2000 period significantly increased the average wages of U.S.-born workers (by around 2%). Considering its distribution across workers, such an effect was positive for the wage of all native workers with at least a high school degree (88% of the labor force in year 2000), while it was null to moderately negative for the wages of natives without a high school degree.
Wave-Induced Loading of Submerged Core-Loc Armour Units
Creators: name: Kozlowski, Tomasz
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2021
Subjects: Breakwaters
Coastal Structures
Physical Modelling
Core-Loc
Concrete Armour Units
Hydrodynamics

description: This study investigates the relationship between wave-induced hydrodynamics and the resulting loading on Core-Loc concrete armour units below the still water level in a breakwater structure. Physical modelling experiments were performed at the National Research Council in Ottawa in which a 3D-printed 12 cm Core-Loc armour unit was instrumented and fixed in place within a rubble mound structure. Testing featured simultaneous measurement of force on this instrumented unit, pressure head at the base of the unit, and flow velocities below the SWL. Two main scenarios were tested, the isolated unit and fully armoured scenarios, under a range of regular waves and irregular sea states. Analysis of force development on the instrumented unit indicates that maximum slope-normal forces (both into and away from the structure) are associated with extremes in pressure head above the instrumented unit, while slope-parallel force extremes (both upslope and downslope) occur at times of the fastest change in water level. These loadings are consistent with Morison’s equation and imply drag dominance in the slope-parallel direction and inertia dominance in the slope-normal direction. Significant differences in forces were observed between isolated (no neighbouring units) and embedded (with neighbouring units) armour unit test cases. The presence of the armour layer significantly increased the normal force exerted on the unit and reduced the parallel force. Irregular sea state testing shows force peaks following normal distribution. Analysis of flow above the armour layer showed that force, flow velocity and flow acceleration are symmetrical in the slope-parallel direction, but largely asymmetrical in the slope-normal direction, with the flow velocity and force on the unit in particular experiencing large asymmetries. Wave height analysis indicated that each wave height follows a similar force development pattern with a magnitude proportional to wave height. Wave period analysis showed the formation of small secondary waves as the period increases. Wave steepness affected the peak force loading of the instrumented unit in a mostly linear fashion up to the critical Iribarren number.