cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The meaning of transformative dreams
Creators: name: Biela, Pamela M.
Publisher: name: University of British Columbia
Year: 2008

description: The purpose of this interdisciplinary study was to answer the question, "What is the meaning of the transformative dream for people who do not experience resolution of their problem immediately upon awakening?". Existential-phenomenology from the perspective of a story was used to describe the meaning of the experience for ten individuals, nine women and one man, whose ages ranged from 23 to 48. From transcripts of the interviews, ten individual accounts of the experience were constructed. These accounts included a construction of the structure of each dream story and its relationship to the person’s description of the experience. Significant statements of the experience were also extracted from the transcripts and formulated into twenty common themes which were then woven into a common story. Each person checked and validated the transcript, individual account, common themes, and common story for any omissions or distortions. The study also included responses to a questionnaire given to psychology students, asking them if they had ever had a dream which revealed a solution to a problem. Out of 305 students, 103 (34%) had experienced one of these dreams. Forty-three (42%) knew the answer immediately, 58 (56%) found the answer later, and two were not sure. These results suggest that the prevalence of dreams which reveal solutions to problems could be much higher than expected. The findings support the general contention that these dreams are preceded by a desire for resolution and a search for answers. The dreams were vivid and emotional with the dreamer alert and actively participating in the drama. People experienced a felt sense of change without understanding the meaning of the dream. The dreams were complete stories with a beginning, middle, and end. The findings demonstrate that viewing these dreams within the context of people's lives is essential in order to understand the meaning of the experience. The description is a beginning and can become the basis for future research on dreams which resolve problems.
New developments in nuclear supersymmetry
Creators: name: Bijker, R.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this contribution, I discuss the role of symmetries and algebraic methods in nuclear structure physics. In particular, I review some recent developments in nuclear supersymmetry and indicate possible applications for light nuclei in the sd- and pf-shell.
description: 10 pages, 3 figures, invited talk at RIA Theory Meeting, Argonne, April 2006, to be published by World Scientific
The metric-affine formalism of f(R) gravity
Creators: name: Sotiriou, Thomas P.
name: Liberati, Stefano
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recently a class of alternative theories of gravity which goes under the name f(R) gravity, has received considerable attention, mainly due to its interesting applications in cosmology. However, the phenomenology of such theories is not only relevant to cosmological scales, especially when it is treated within the framework of the so called Palatini variation, an independent variation with respect to the metric and the connection, which is not considered a priori to be the Levi-Civita connection of the metric. If this connection has its standard geometrical meaning the resulting theory will be a metric-affine theory of gravity, as will be discussed in this talk. The general formalism will be presented and several aspects of the theory will be covered, mainly focusing on the enriched phenomenology that such theories exhibit with respect to General Relativity, relevant not only to large scales (cosmology) but also to small scales (e.g. torsion).
description: Talk given by T. P. S. at the 12th Conference on Recent Developments in Gravity (NEBXII), Nafplio, Greece, 29 Jun-2 Jul 2006
Multi-Particle States in Deformed Special Relativity
Creators: name: Hossenfelder, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate the properties of multi-particle states in Deformed Special Relativity (DSR). Starting from the Lagrangian formalism with an energy dependent metric, the conserved Noether current can be derived which is additive in the usual way. The integrated Noether current had previously been discarded as a conserved quantity, because it was correctly realized that it does no longer obey the DSR transformations. We identify the reason for this mismatch in the fact that DSR depends only on the extensive quantity of total four-momentum instead of the energy-momentum densities as would be appropriate for a field theory. We argue that the reason for the failure of DSR to reproduce the standard transformation behavior in the well established limits is due to the missing sensitivity to the volume inside which energy is accumulated. We show that the soccer-ball problem is absent if one formulates DSR instead for the field densities. As a consequence, estimates for predicted effects have to be corrected by many orders of magnitude. Further, we derive that the modified quantum field theory implies a locality bound.
description: replaced with published version
GRAVITY: The adaptive optics assisted, two object beam combiner for the VLTI
Creators: name: Gillessen, S.
name: Perrin, G.
name: Brandner, W.
name: Straubmeier, C.
name: Eisenhauer, F.
name: Rabien, S.
name: Eckart, A.
name: Lena, P.
name: Genzel, R.
name: Paumard, T.
name: Hippler, S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the adaptive optics assisted, near-infrared VLTI instrument - GRAVITY - for precision narrow-angle astrometry and interferometric phase referenced imaging of faint objects. Precision astrometry and phase-referenced interferometric imaging will realize the most advanced vision of optical/infrared interferometry with the VLT. Our most ambitious science goal is to study motions within a few times the event horizon size of the Galactic Center massive black hole and to test General Relativity in its strong field limit. We define the science reference cases for GRAVITY and derive the top level requirements for GRAVITY. The installation of the instrument at the VLTI is planned for 2012.
description: 9 pages, Advances in Stellar Interferometry, SPIE Proc. Vol. 6268, 626811 (2006)
On characteristic numbers of $24$ dimensional String manifolds
Creators: name: Han, Fei
name: Huang, Ruizhi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Algebraic Topology (math.AT)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: In this paper, we study the Pontryagin numbers of $24$ dimensional String manifolds. In particular, we find representatives of an integral basis of the String cobrodism group at dimension $24$, based on the work of Mahowald-Hopkins \cite{MH02}, Borel-Hirzebruch \cite{BH58} and Wall \cite{Wall62}. This has immediate applications on the divisibility of various characteristic numbers of the manifolds. In particular, we establish the $2$-primary divisibilities of the signature and of the modified signature coupling with the integral Wu class of Hopkins-Singer \cite{HS05}, and also the $3$-primary divisibility of the twisted signature. Our results provide potential clues to understand a question of Teichner.
description: final version
Η Επίδραση της Εθνικής Κουλτούρας στην Τραπεζική Δανειοδότηση των Μικρομεσαίων Επιχειρήσεων
Creators: name: Μουζά, Αικατερίνη Αχιλλέα Κωνσταντίνου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Εθνική κουλτούρα
Τραπεζικός δανεισμός
Μικρομεσαίες Επιχειρήσεις
National culture
Bank lending
Small and medium enterprises

description: Σκοπός της εργασίας είναι να ερευνήσει το βαθμό στον οποίο η εθνική κουλτούρα επηρεάζει θετικά ή αρνητικά την πρόσβαση των μικρομεσαίων επιχειρήσεων σε τραπεζικό δανεισμό. Η πρόσβαση στην δανειοδότηση εξετάζεται από δυο πλευρές. Πρώτον, από την πλευρά αίτησης ή όχι των επιχειρήσεων για δάνειο και δεύτερον, από την πλευρά που η αίτηση αυτή εγκρίνεται ή όχι από την τράπεζα. Η εθνική κουλτούρα εξετάζεται βάσει του μοντέλου Hofstede, το οποίο αναλύει την εθνική κουλτούρα σε έξι επιμέρους διαστάσεις που χαρακτηρίζουν ένα κοινωνικό σύνολο, την Απόσταση Ισχύος, τον Ατομικισμό, την Αρρενωπότητα, την Αποφυγή Αβεβαιότητας, τον Μακροπρόθεσμο Προσανατολισμό και την Επιείκεια. Για την εξαγωγή συμπερασμάτων χρησιμοποιήθηκε το μοντέλο της δυαδικής λογιστικής παλινδρόμησης. Τα αποτελέσματα έδειξαν πως η εθνική κουλτούρα έχει στατιστικά σημαντική σχέση με την αίτηση των επιχειρήσεων για τραπεζικό δάνειο, καθώς και με την έγκριση της αίτησης για δανεισμό από την τράπεζα. Κάποιες διαστάσεις αποδείχθηκαν πως έχουν θετική επιρροή, ενώ κάποιες άλλες αρνητική
description: The purpose of this thesis is to investigate the extent to which national culture positively or negatively affects micro, small and medium enterprises’ access to bank lending. Access to lending is analyzed from two different sides. Firstly, from whether or not the business is applying for a loan and secondly, from whether or not the application is approved by the bank. National culture is examined based on the Hofstede model, which defines national culture in six individual dimensions that characterize a society, Power Distance, Individualism, Masculinity, Uncertainty Avoidance, Long-term Orientation and Indulgence. The binary regression model was used to draw conclusions. The results show that national culture has a statistically significant relationship with the application for a bank loan, as well as with the approval of the loan by the bank. Some dimensions are proved to have a positive influence, while others negative
Ex ante assessment of secondary impacts of environmental regulation: case study--organochlorines in the Canadian pulp and paper industry
Creators: name: Inch, Hilary
Publisher: name: University of British Columbia
Year: 2008

description: This thesis examines how the secondary effects of environmental regulations are assessed before the regulations are proclaimed. Negative secondary effects of a policy (such as regulation) may outweigh direct benefits; it is important that secondary effects are clearly assessed. The case study is the control of organochlorines in the Canadian pulp and paper industry via federal regulation of dioxins and furans and British Columbia's regulation of Adsorbable Organic Halogen (AOX). The thesis is founded upon the premise that sustainability must be an integral consideration. A systems approach is used to evaluate assessments and to generate recommendations. The evaluation is divided into two parts: the process of assessing the regulation and the contents of the assessments. Background information is provided on organochlorines, pulp and paper making, the pulp and paper industry and the relevant regulatory processes. A chronology of the regulation is established. Assessments are reviewed from five classes of stakeholders: industry, labour, environmentalists, the federal government and the British Columbia government. The study found that secondary impacts of the regulation were less important than the primary action, which was managing the risk posed by organochlorines in effluent. For the secondary assessments, stakeholders felt problems with the process were greater than shortcomings in content. In particular, governments' lack of response to submissions caused a lack of confidence in the system, which was well-founded in British Columbia's highly political process. The federal Regulatory Impact Analysis Statements gave a valuable but limited summary of impact assessments and the rationale behind the regulations. To improve the process of creating environmental regulation I recommend that the federal government assemble a reference document for assessments, that all levels of government institute class assessments for general cases, and that all stakeholders use a consistent, multiobjective framework. The proposed framework is presented.
Magnetron Sputter deposition of a 48-member cuprate superconductor library: Bi2Sr2YxCa1-xCu2Oy (0.5 <= x <= 1) linearly varying in steps of 0.01
Creators: name: Sanderson, R. J.
name: Hewitt, K. C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Using magnetron sputtering, a spatial composition spread approach was applied successfully to obtain 48-member libraries of the Bi2Sr2YxCa1-xCu2Oy (0.5<= x <=1)cuprate superconducting system. The libraries of each system were deposited onto (100) single crystal MgO, mounted on a water cooled rotating table, using two targets: the antiferromagnetic insulator Bi2Sr2YCu2Oy (P=98 W RF) and the hole doped superconductor Bi2Sr2CaCu2Oy (P=44 W DC). A low chamber pressure of 0.81 mTorr argon is used to reduce scattering by the process gas. To minimize oxygen resputtering a substrate bias of -20 V was used as well as a process gas free of oxygen. A rapid thermal processor is used to post-anneal the amorphous deposited films. A step annealing regime was used, with a ramp rate of 5 degrees C/s for heating and cooling, with a first plateau at 780 C held for 200 s, and a second at 875 C held for 480 s. X-ray diffraction reveals that the films develop crystalline order with the c-axis lattice parameter contracting linearly from 30.55 Angstroms (x=0.5) to 30.24 Angstroms (x=1.0) with increasing Y-content, consistent with bulk values. The crystallized films are polycrystalline, developing preferred orientation (c-axis parallel to the substrate) for thinner members of the library. There is a change of 0.01 in doping per library member which will enable further studies to densely map phase space.
description: 4 pages, 6 figures, submitted Jan. 31, 2007: Applied Surface Science - Proceedings of the 4th International Workshop on Combinatorial Materials Science & Technology, San Juan, Puerto Rico
Modified traces and the Nakayama functor
Creators: name: Shibata, Taiki
name: Shimizu, Kenichi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Algebra (math.QA)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 18D10, 16T05

description: We organize the modified trace theory with the use of the Nakayama functor of finite abelian categories. For a linear right exact functor $Σ$ on a finite abelian category $\mathcal{M}$, we introduce the notion of a $Σ$-twisted trace on the class $\mathrm{Proj}(\mathcal{M})$ of projective objects of $\mathcal{M}$. In our framework, there is a one-to-one correspondence between the set of $Σ$-twisted traces on $\mathrm{Proj}(\mathcal{M})$ and the set of natural transformations from $Σ$ to the Nakayama functor of $\mathcal{M}$. Non-degeneracy and compatibility with the module structure (when $\mathcal{M}$ is a module category over a finite tensor category) of a $Σ$-twisted trace can be written down in terms of the corresponding natural transformation. As an application of this principal, we give existence and uniqueness criteria for modified traces. In particular, a unimodular pivotal finite tensor category admits a non-zero two-sided modified trace if and only if it is spherical. Also, a ribbon finite tensor category admits such a trace if and only if it is unimodular.
description: 39 pages; to appear in Algebras and Representation Theory
Τεχνολογία και απασχόληση
Creators: name: Λάλα, Αΐντα Καραφίλ
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Τεχνολογία
Απασχόληση
Ζήτηση εργασίας
Οικονομικοί τομείς
Technology
Employment
Labor demand
4. Economic sectors

description: Σκοπός της διατριβής ήταν η μελέτη της σχέσης της τεχνολογίας με την απασχόληση. Αρχικά αναδείχθηκαν οι επιπτώσεις των καινοτόμων τεχνολογιών στο οικονομικό σύστημα γενικότερα και στην αγορά εργασίας ειδικότερα. Στη συνέχεια παρουσιάστηκαν βιβλιογραφικά οι επιδράσεις της τεχνολογικής εξέλιξης στην απασχόληση και την ζήτηση εργασίας επιβεβαιώνοντας την αναδιαμόρφωση της αγοράς εργασίας, όπου η συνολική απασχόληση εμφανίζει σταθερότητα και η ζήτηση για εξειδικευμενη εργασία αυξάνει. Ακόμη η συνοπτική εμπειρική διερεύνηση για την Κίνα, την Ιαπωνία, το Ηνωμένο Βασίλειο και τις ΗΠΑ κατέληξε ότι η απασχόληση στο σύνολο της οικονομίας διατηρείται σχετικά σταθερή, πέραν της Κίνας, ενώ στους τομείς της εμφανίζει διακυμάνσεις. Η απασχόληση στρέφεται προς τον αναδυόμενο οικονομικό τομέα, δηλαδή αυτόν των υπηρεσιών, όπου σε όλες τις χώρες αυξάνεται σημαντικά. Ακόμα επιβεβαιώθηκε η αύξηση της ζήτησης για εξειδικευμένη εργασία και η εισοδηματική ανισότητα στις χώρες μελέτης αλλά και παγκόσμια
description: The present study deals with the relationship between technology and employment. The effects of innovative technologies on the economic system (general) and the labor market (specific) are initially examined. A literature review of the effects of technological development on employment and labor demand is then presented, confirming the reshaping of the labor market, where total employment is stable and labor demand is increasing for skilled workers. In addition, a brief empirical study of China, Japan, United Kingdom and United States concluded on that employment in the economy as a whole remained relatively stable, except for China, while in individual sectors it fluctuates. Employment is shifting towards the emerging economic sector, that of services, where it is growing significantly in all countries. The increase in demand for skilled labor and income inequality in the examined countries and globally were also confirmed
A family of tridiagonal pairs and related symmetric functions
Creators: name: Baseilhac, Pascal
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Algebra (math.QA)
subject: Representation Theory (math.RT)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: 20G42, 39A13, 42C05

description: A family of tridiagonal pairs which appear in the context of quantum integrable systems is studied in details. The corresponding eigenvalue sequences, eigenspaces and the block tridiagonal structure of their matrix realizations with respect the dual eigenbasis are described. The overlap functions between the two dual basis are shown to satisfy a coupled system of recurrence relations and a set of discrete second-order $q-$difference equations which generalize the ones associated with the Askey-Wilson orthogonal polynomials with a discrete argument. Normalizing the fundamental solution to unity, the hierarchy of solutions are rational functions of one discrete argument, explicitly derived in some simplest examples. The weight function which ensures the orthogonality of the system of rational functions defined on a discrete real support is given.
description: 17 pages; LaTeX file with amssymb. v2: few minor changes, to appear in J.Phys.A; v3: Minor misprints, eq. (48) and orthogonality condition corrected compared to published version
On the averaging principle for one-frequency systems. Seminorm estimates for the error
Creators: name: Morosi, Carlo
name: Pizzocchero, Livio
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: 70K65, 70K70, 34C29, 70H09, 37J40

description: We extend some previous results of our work [1] on the error of the averaging method, in the one-frequency case. The new error estimates apply to any separating family of seminorms on the space of the actions; they generalize our previous estimates in terms of the Euclidean norm. For example, one can use the new approach to get separate error estimates for each action coordinate. An application to rigid body under damping is presented. In a companion paper [2], the same method will be applied to the motion of a satellite around an oblate planet.
description: LaTeX, 23 pages, 4 figures. The final version published in Nonlinear Dynamics
Excitonic Instability and Electronic Property of Two-dimensional AlSb Limit
Creators: name: Dong, Shan
name: Li, Yuanchang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Motivated by the recent synthesis of two-dimensional monolayer AlSb, we theoretically investigate its ground state and electronic properties using the first-principles calculations coupled with Bethe-Salpeter equation. An excitonic instability is revealed as a result of larger exciton binding energy than the corresponding one-electron energy gap by $\sim$0.1 eV, which is an indicative of a many-body ground state accompanied by spontaneous exciton generation. Including the spin-orbit coupling is proven to be a must to correctly predict the ground state. At room temperature, the two-dimensional monolayer AlSb is a direct gap semiconductor with phonon-limited electron and hole mobilities both around 1700 cm$^2$/V$\cdot$s. These results show that monolayer AlSb may provide a promising platform for realization of the excitonic insulator and for applications in the next-generation electronic devices.
Confinement and stability of the motion of test particles in thick branes
Creators: name: Dahia, F.
name: Romero, C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the motion of test particles in a thick brane version of Randall-Sundrum type II model. It is known that gravity alone cannot explain the confinement of test particles in this kind of brane. In this paper we show that a stable confinement in a domain wall is possible by admitting a direct interaction between test particles and a scalar field. This interaction is implemented by a modification of the Lagrangian of the particle which is inspired by a Yukawa-type interaction between fermions and scalar fields.
description: 1 figure. Extended analysis to treat general thick branes RSII-type. Added references
Exploring the ‘criminology of place’ in Chicago
Creators: name: Schnell, Cory G.
Publisher: name: No Publisher Supplied
Year: 2017

description: Two historically distinct bodies of research evidence have developed in criminology to understand the spatial variability of crime patterns within cities.  This study explores the integration of both units of analysis and theories from each literature to enhance our understanding of the spatial variability of violent crime across urban landscapes. Using historical and contemporary data sources from Chicago a multi-level, longitudinal analysis explores both the prospects of integrating key concepts from crime opportunity and social disorganization theories to explain spatial variation in violence and attempt to address some concerns raised about the viability of theory integration in micro-contexts.  Both descriptive and inferential statistical analyses were conducted to analyze the spatial variation of violent crime incident reports from 2001 to 2014.  This dissertation research focuses on three key questions.  The first inquiry is designed to examine whether violent crime is clustered at street segments, neighborhood clusters, and community areas over time in Chicago.  While violent crimes incidents were concentrated at all units of analysis in Chicago only patterns at street segments were characterized by developmental stability over the observation period.      The second inquiry attempts to determine the unique contribution of each spatial unit of analysis to description of the total spatial variability of violent crime across Chicago over time. Street segments accounted for the largest share of the total spatial variability confirming that micro-places do indeed account for the most refined description of crime patterns within cities even when accounting for their hierarchical nesting within neighborhoods.  The third inquiry examines the role of criminal opportunity measures at the street segments and social disorganization measures at the neighborhood clusters to explaining the spatial variability of violence within and between Chicago neighborhoods.  The influence of criminal opportunity was found to vary noticeably between neighborhood clusters indicating the salience of neighborhood effects.  Overall, this study suggests a multi-level integration of micro-places and neighborhoods in addition to criminal opportunity and social disorganization theories can offer a more comprehensive understanding of the spatial distribution of crime within cities.
Macro-financial Risk Management and Economic Deviations
Creators: name: Καλογεροπούλου, Σοφία Πέτρου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Μακρο-χρηματοοικονομικά
Χρηματοοικονομική ανησυχία
Κανόνες του Taylor
Macro-finance
Financial Stress
Taylor rules

description: The objective of the current study is – having done a literature review on the macro-finance principles and models- to investigate a financial distress index has a significant effect on interest rates of the USA and UK, or was a parameter not into the consideration of their Central Banks. The responsiveness to a financial stress or not for the two world leading economies is studied during the period of 1994m01 for FED and 1986m01 for BoE. Different Taylor-type rules are augmented with the distinctive financial stress indexes so as to get a deeper understanding of central banks’ behaviour. It is also asked whether central banks are indeed following a linear Taylor rule or, instead, a nonlinear rule. This study aims to look whether the CBs’ response to financial systemic stress has really changed or not after 2007 by carrying out a subsample regression analysis and it is further crosschecked with a rolling regression around the recent financial crisis period 2007-09 and interaction dummy regression analysis. It is revealed that the CBs follow a forward-looking non-linear Taylor rule. Last but not least, the empirical results indicate that the FED and the Bank of England were leaning more against financial stress after the current financial compared to the previous period
description: Ο στόχος της τρέχουσας μελέτης - έχοντας κάνει μια βιβλιογραφική ανασκόπηση σχετικά με τις αρχές και τα μοντέλα μακρο-χρηματοοικονομικής - είναι η διερεύνηση ενός δείκτη χρηματοοικονομικής αστάθειας και εάν αυτός έχει σημαντική επίδραση στα επιτόκια των ΗΠΑ και του Ηνωμένου Βασιλειου, ή ήταν μια παράμετρος που δεν λήφθηκε υπόψη από τις κεντρικές τους τράπεζες τις τελευταίες δυόμιση δεκαετίες. Η ανταπόκριση σε ένα χρηματοοικονομικό στρες ή όχι για τις δύο κορυφαίες οικονομίες παγκοσμίως μελετάται από 1994m01 για την FED και 1986m01 για την BoE μέχρι και την πρόσφατη παγκόσμια χτηματοπιστωτική κρίση. Διαφορετικοί κανόνες τύπου Taylor επαυξάνονται με τους δείκτες χρηματοοικονομικού στρες έτσι ώστε να κατανοηθεί βαθύτερα η συμπεριφορά των κεντρικών τραπεζών. Επίσης εξετάζεται αν οι κεντρικές τράπεζες ακολουθούν έναν γραμμικό κανόνα Taylor ή, αντίθετα, έναν μη γραμμικό κανόνα. Ακόμα μελετάται εάν η ανταπόκριση των ΚΤ στο χρηματοοικονομικό συστηματικό στρες έχει αλλάξει πραγματικά ή όχι μετά το 2007, πραγματοποιώντας μια ανάλυση παλινδρόμησης και ελέγχεται περαιτέρω με μια κυλιόμενη παλινδρόμηση γύρω από την πρόσφατη περίοδο οικονομικής κρίσης 2007-09. Για μεγαλύτερη ευρωστία πραγματοποιείται μια παλινδρόμηση με την εισαγωγή ψευδομεταβλητής. Αποκαλύπτεται ότι οι ιθύνοντες ακολουθούν έναν μη γραμμικό κανόνα Taylor. Εν κατακλείδι, τα εμπειρικά αποτελέσματα δείχνουν ότι η FED και η κεντρική τράπεζα της Αγγλίας τείνουν περισσότερο να λαμβάνουν υπόψη το χρηματοοικονομικό στρες μετά την πρόσφατη οικονομική κρίση
Dissipation due to two-level systems in nano-mechanical devices
Creators: name: Seoanez, C.
name: Guinea, F.
name: Neto, A. H. Castro
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We analyze the dissipation of the frequency vibrations of nano-mechanical devices. We show that the coupling between flexural modes and two-level systems leads to sub-ohmic dissipation. The inverse quality factor of the low energy vibrations depends on temperature as $Q^{-1} (T) \approx Q_0 + C T^{1/3}$, providing a quantitative description of the experimental data.
description: 6 pages, 4 figures, published version
Development and disempowerment : appropriate technology in development aid in the high Himalaya
Creators: name: Hunt, Cynthia Irene
Publisher: name: University of British Columbia
Year: 2009

description: Since the second World War, western nations have been involved in various forms of development, as their contribution to the social and economic well being of the world population. In spite of these efforts, inequities and injustices prevail. Throughout this period, question have been raised on the effectiveness of this aid to development. Although strides have been made in global economic growth, development aid appears to have failed in the context of the cultural and spiritual needs of those receiving it. This has lead to the conceptualization of Appropriate Technology. The tenant of Appropriate Technology is that it emphasizes self-reliance and equity over simply growth. This study examines a model of development in terms of the concepts of Appropriate Technology and explores the basic physical and spiritual needs of people, as well as the impact on the environment. This thesis addresses a case study of solar cookers as Appropriate Technology aid in Ladakh, India. The specific objectives are to: (i) examine the theoretical foundations of conventional development and of Appropriate Technology; (ii) describe the Ladakhi society in terms of its spiritual-traditionalism and of the impacts of recent, rapid change; (iii) use a case study involving the promotion of solar-box cookers, to examine the application of AT; (iv) analyze the relationship between components of solar box cooker programs on villager-perceived benefits and impacts of use; and (v) suggest possible improvements in the Appropriate Technology program’s frameworks. The thesis concludes that development must address a central problem within its theory, that of pluralistic world views, in order to meet a mandate of improving the lives of the impoverished. The findings of the case study concluded that there is no one appropriate technology, that societies are in flux and that local people must be involved in the identification and implementation of any growth that occurs. Technological changeper se may result only in fragmentation of the social and cultural aspects unless the people affected are involved. The thesis concludes that development must address a central problem within its theory; that of pluralistic world views, in order to meet a mandate of improving the lives of the impoverished.
Rota-Baxter Algebras in Renormalization of Perturbative Quantum Field Theory
Creators: name: Ebrahimi-Fard, Kurusch
name: Guo, Li
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Recently, the theory of renormalization in perturbative quantum field theory underwent some exciting new developments. Kreimer discovered an organization of Feynman graphs into combinatorial Hopf algebras. The process of renormalization is captured by a factorization theorem for regularized Hopf algebra characters. In this context the notion of Rota-Baxter algebras enters the scene. We review several aspects of Rota-Baxter algebras as they appear in other sectors also relevant to perturbative renormalization, for instance multiple-zeta-values and matrix differential equations.
description: improved version, based on a talk given at the workshop Renormalization and Universality in Mathematical Physics held at the Fields Institute for Research in Mathematical Sciences, October 18-22, 2005
Reinforcement Learning based on Scenario-tree MPC for ASVs
Creators: name: Kordabad, Arash Bahari
name: Esfahani, Hossein Nejatbakhsh
name: Lekkas, Anastasios M.
name: Gros, Sébastien
Publisher: name: arXiv
Year: 2021
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this paper, we present the use of Reinforcement Learning (RL) based on Robust Model Predictive Control (RMPC) for the control of an Autonomous Surface Vehicle (ASV). The RL-MPC strategy is utilized for obstacle avoidance and target (set-point) tracking. A scenario-tree robust MPC is used to handle potential failures of the ship thrusters. Besides, the wind and ocean current are considered as unknown stochastic disturbances in the real system, which are handled via constraints tightening. The tightening and other cost parameters are adjusted by RL, using a Q-learning technique. An economic cost is considered, minimizing the time and energy required to achieve the ship missions. The method is illustrated in simulation on a nonlinear 3-DOF model of a scaled version of the Cybership 2.
description: This paper has been accepted to 2021 American Control Conference (ACC). 6 pages, 9 figures
Generalized entanglement as a framework for complex quantum systems: Purity vs delocalization measures
Creators: name: Viola, Lorenza
name: Brown, Winton G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We establish contact between the delocalization properties of pure quantum states, as quantified by their number of principal components, and the average generalized entanglement properties, as quantified by purity measures relative to different observable sets. We find that correlations between products of state vector components with respect to Hamming distance play an important role in the structure of subsystem-based purity measures. In particular, we derive general conditions under which the amount of global multipartite entanglement relates to the inverse participation ratio averaged over a maximal set of mutually unbiased product bases. Furthermore, we provide a method for computing the expected amount of generalized entanglement with respect to an arbitrary observable set for random pure states. Specific examples and an explicit application to a disordered quantum spin chain are discussed.
description: 17 pages, 3 figures
Magnetic anisotropy in uranium monosulfide, probed by the magnetic torque measurements
Creators: name: Poudel, Narayan
name: Jeffries, Jason
name: Gofryk, Krzysztof
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We have studied the magnetic torque in uranium monosulfide (US) single crystals to explore the magnetic anisotropy in this material. Uranium monosulfide crystallizes in cubic, NaCl-type of crystal structure and exhibits the largest magneto-crystalline anisotropy observed in cubic systems. By performing detailed torque measurements we observe a strongly anisotropic behavior in the paramagnetic phase due to crystal defects and quadrupolar pair interactions. Our studies also confirm the presence of a large anisotropy in the ferromagnetic state of the US system with the <100>, <111>, and <110> directions being hard, easy, and intermediate axis, respectively. Furthermore, the anisotropy in the paramagnetic phase shows similar characteristics to the anisotropy observed in the ferromagnetic phase, as characterized by second and fourth rank susceptibility terms. The similarity of the anisotropic behaviors in paramagnetic and ferromagnetic phases is the consequence of strong magneto-elastic properties in this system, which possibly lead to the rhombohedral structural distortion, not only in the ferromagnetic phase but also in the paramagnetic phase (induced by applied magnetic fiield).
Talking through the text : Rakugo and the oral/literal interface
Creators: name: Tanaka, Sakurako
Publisher: name: University of British Columbia
Year: 2008

description: The students of 'oral literatures' traditionally viewed 'orality,' the spoken mode of communication, as inferior to 'literacy,' the written mode. They depicted 'oral literatures' as legacies from the past, and the products of socially, economically and geographically marginalized, illiterate populations, and are hence doomed to disappear in a literate society. Many also assumed that 'oral literatures' are characterized by little structural complexity and individual creativity, and thus they possess an insignificant esthetic value. This study attempts to re-examine the validity of such traditional claims by examining the coexistence and interaction between orality and literacy in a Japanese traditional narrative art known as rakugo. Rakugo is a highly stylized form of narrative delivered by urban professional storytellers in Japan. The study will reveal rakugo's structural features, which are derived from both oral and literate traditions, as well as its generic relation to Japanese literary genres. The study will also examine the esthetic dynamics of live performance where the performer’s creativity is brought into parity with tradition and social norms; and hence it will highlight the significance of oral tradition in a highly literate, modern society.
Vector-based Pedestrian Navigation in Cities
Creators: name: Bongiorno, Christian
name: Zhou, Yulun
name: Kryven, Marta
name: Theurel, David
name: Rizzo, Alessandro
name: Santi, Paolo
name: Tenenbaum, Joshua
name: Ratti, Carlo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Applications (stat.AP)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences
subject: 91D10

description: How do pedestrians choose their paths within city street networks? Researchers have tried to shed light on this matter through strictly controlled experiments, but an ultimate answer based on real-world mobility data is still lacking. Here, we analyze salient features of human path planning through a statistical analysis of a massive dataset of GPS traces, which reveals that (1) people increasingly deviate from the shortest path when the distance between origin and destination increases, and (2) chosen paths are statistically different when origin and destination are swapped. We posit that direction to goal is a main driver of path planning and develop a vector-based navigation model that is a statistically better predictor of human paths than a model based on minimizing distance with stochastic effects. Our findings generalize across two major US cities with different street networks, hinting to the fact that vector-based navigation might be a universal property of human path planning.
Implementation of backend and web application solution to assist athletic performance measuring through the use of IMU sensors
Creators: name: Παπαγεωργίου, Αθανάσιος Αντωνίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Διαδίκτυο των αντικειμένων
Μεγάλα δεδομένα
Αισθητήρες
Internet of Things
Big Data
Wearables

description: Σκοπός της διατριβής είναι η ανάλυση της εφαρμογής τεχνολογιών του Διαδικτύου των Αντικειμένων (ΔτΑ) στην αξιολόγηση αθλητικών επιδόσεων (προπονητική), εστιάζοντας κυρίως στις διαδικτυακές και σέρβερ εφαρμογές. Το άθλημα της επιλογής για την εφαρμογή αυτής της ανάλυσης είναι το μπόουλινγκ δέκα κορυνών. Με σκοπό την ολοκληρωμένη και ακριβή επίδειξη της εφαρμογής του ΔτΑ στην προπονητική μπόουλινγκ, συντάχθηκε αρχικά μια λίστα επιθυμητής λειτουργικότητας με την βοήθεια σχολίων και κριτικής προπονητών μπόουλινγκ ενώ παράλληλα μελετήθηκε διεξοδικά η αθλητική μηχανική του μπόουλινγκ. Δεδομένων των στόχων της υλοποίησης κι αφού μελετήθηκαν οι διαθέσιμες τεχνολογίες του ΔτΑ, επιλέχθηκαν οι πιο αρμοστές με σκοπό την αξιοποίησή τους. Μεγάλη έμφαση δόθηκε στην δυνατότητα κλιμάκωσης λειτουργικότητας της υλοποίησης, στην επικέντρωση σε καινοτόμες τεχνολογίες και στην χρήση λογισμικού ανοικτού κώδικα. Μετά το πέρας της έρευνας, υλοποιήσαμε και τεκμηριώσαμε ένα διαδικτυακό λογισμικό και ένα λογισμικό για σέρβερ τα οποία εξυπηρετούν τις ανάγκες γραφικής διεπαφής και υποδομής «σύννεφου» αντίστοιχα, μιας ευρύτερης λύσης ΔτΑ με τίτλο Athlos Bowling. Το αποτέλεσμα της υλοποίησης είναι ένα λογισμικό επιπέδου ετοιμότητας πέντε το οποίο αφού αξιολογήθηκε για την εύρυθμη λειτουργία του, είναι έτοιμο να αξιοποιηθεί ως υποστηρικτικό εργαλείο στην προπονητική μπόουλινγκ. Η αποτελεσματικότητα του εργαλείου που υλοποιήθηκε αποδεικνύει το αντίκτυπο που μπορεί να έχει το ΔτΑ στο άθλημα του μπόουλινγκ και γενικότερα στις αθλητικές επιστήμες
description: This paper analyzes the application of Internet of Things (IoT) technologies in athletic performance evaluation (coaching), focusing on the web and server application aspect of technologies. The sport of choice for this analysis is Ten Pin Bowling. To demonstrate IoT application in coaching Bowling, first a desired functionality requirements list was compiled based on bowling coaches’ feedback and a study of the sport’s mechanics in general. Given the feedback and after studying the available IoT technologies on the market, the most fitting ones were selected for use in development. A big focus for this selection was technology scalability and innovation while sticking to the open-source community as much as possible. After the research, we built and extensively documented a web and a server application to serve as part of the frontend and cloud infrastructure respectively of a larger IoT solution called Athlos Bowling. This resulted in a TRL5 software solution that after being put to the test is ready to be used as an assisting tool in coaching bowling. The outcome of this product proves the impact IoT can have on the sport of Bowling and sport science in general
title: Winterheckenzwiebel :
title: Richtlinien für die Durchführung der Prüfung auf Unterscheidbarkeit, Homogenität und Beständigkeit.
titleType: Subtitle
Creators: name: International Union For The Protection Of New Varieties Of Plants,
Publisher: name: International Union for the Protection of New Varieties of Plants,
Year: 0
Subjects: Group identity.
New Varieties of Plants
Welsh Onion

description: Zweck dieser Richtlinien („Prüfungsrichtlinien“) ist es, die in der Allgemeinen Einführung (Dokument TG/1/3) und deren verbundenen TGP-Dokumenten enthaltenen Grundsätze in detaillierte praktische Anleitung für die harmonisierte Prüfung der Unterscheidbarkeit, der Homogenität und der Beständigkeit (DUS) umzusetzen und insbesondere geeignete Merkmale für die DUS-Prüfung und die Erstellung harmonisierter Sortenbeschreibungen auszuweisen.
Dynamically stable multiply quantized vortices in dilute Bose-Einstein condensates
Creators: name: Huhtamäki, J. A. M.
name: Möttönen, M.
name: Virtanen, S. M. M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Multiquantum vortices in dilute atomic Bose-Einstein condensates confined in long cigar-shaped traps are known to be both energetically and dynamically unstable. They tend to split into single-quantum vortices even in the ultralow temperature limit with vanishingly weak dissipation, which has also been confirmed in the recent experiments [Y. Shin et al., Phys. Rev. Lett. 93, 160406 (2004)] utilizing the so-called topological phase engineering method to create multiquantum vortices. We study the stability properties of multiquantum vortices in different trap geometries by solving the Bogoliubov excitation spectra for such states. We find that there are regions in the trap asymmetry and condensate interaction strength plane in which the splitting instability of multiquantum vortices is suppressed, and hence they are dynamically stable. For example, the doubly quantized vortex can be made dynamically stable even in spherical traps within a wide range of interaction strength values. We expect that this suppression of vortex-splitting instability can be experimentally verified.
description: 5 pages, 6 figures
Supplementary Material from Rational Design and Microwave-Promoted Synthesis of Triclosan-Based Dimers: Targeting InhA for Anti-Mycobacterial Profiling
Creators: name: Kumar, Vipan
name: Shekhar
name: Roquet-Banères, Francoise
name: Anand, Amit
name: Kremer, Laurent
Publisher: name: The Royal Society
Year: 2024
Subjects: classificationCode: 340499
subject: Medicinal and biomolecular chemistry not elsewhere classified

description: SD DATA_RSOS.docx
The Impact of User Generated Content amd Social Media in Destination Marketing.
Creators: name: Ioannou, Isabella Georgia
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Tourism, Social Media, Destination Marketing, User Generated Content

description: Είναι προφανές ότι τις τελευταίες δεκαετίες ο τουρισμός είναι η μεγαλύτερη και πιο αναπτυσσόμενη βιομηχανία στον κόσμο. Επί του παρόντος, η τουριστική βιομηχανία αξιοποιεί το Web 2.0 που είναι ο παγκόσμιος ιστός χρησιμοποιώντας ιστολόγια, κοινωνικά μέσα, περιεχόμενο κοινής χρήσης βίντεο και πολλά άλλα. Τα κοινωνικά μέσα είναι ένα από τα πιο δημοφιλή κανάλια και το συναντάμε μέσα στην προσωπική μας καθημερινή ζωή. Είναι προφανές ότι όλο και περισσότεροι άνθρωποι συνειδητοποιούν τη χρήση των κοινωνικών μέσων και ο περισσότερος πληθυσμός κατέχει κάποιο είδος λογαριασμού κοινωνικής δικτύωσης. Επιπλέον, τα δίκτυα κοινωνικών μέσων επιτρέπουν στους χρήστες να μοιράζονται περιεχόμενο που δημιουργείται από χρήστες, όπως βίντεο και φωτογραφίες μεταξύ τους, επηρεάζοντας τις επιλογές και τις αποφάσεις του άλλου. Η παρούσα μελέτη θα εξετάσει την επίδραση του περιεχομένου που δημιουργείται από τον χρήστη στις αποφάσεις για τα ταξίδια και τον τουρισμό των πολιτών και θα επικεντρωθεί συγκεκριμένα στο κατά πόσον οι αντιλήψεις και οι εμπειρίες άλλων ανθρώπων διαδραματίζουν σημαντικό ρόλο στην απόφασή τους. Επιπλέον, η μελέτη θα προσπαθήσει να διερευνήσει πώς τα κοινωνικά μέσα επηρεάζουν τις τουριστικές προσδοκίες μειώνοντας έτσι το άυλο. Η παρούσα μελέτη επιχειρεί επομένως να δείξει τη σημασία των κοινωνικών μέσων και του περιεχομένου που δημιουργείται από τους χρήστες σε σύγκριση με τις παραδοσιακές μεθόδους μάρκετινγκ
description: It is apparent that within the last decades tourism is the largest and most growing industry in the world. Currently, the tourism industry has implemented Web 2.0 which is the world wide web using blogs, social media, video sharing content and much more. Social media is one of the most popular channels and we encounter that within our personal day to day lives. It is apparent that more people are becoming aware of the use of social media and most of the population does own some sort of social networking account. Furthermore, social media networks allow users to share user generated content such as videos and photos between them influencing each other’s choices and decisions. This mass use and availability of user generated content within social media networks has opened a new dimension to the traveling public by competing with the professional and more traditional marketing strategies created by management organizations in attracting tourism. The present study will examine the effect of user generated content on the publics travel and tourism decisions and will specifically focus on whether other people’s perceptions and experiences play a significant role on their decision. Moreover, the study will attempt to investigate how social media influences tourism expectations thus decreasing the intangibility. The present study therefore attempts to show the significance of social media and user generated content in comparison to traditional methods of marketing