cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Sharing economy, sustainability, and tourism - systematic literature review
Creators: name: Araújo, Cristina Silva
Publisher: name: Journal of Tourism & Development
Year: 2021

description: Globalization and rapid technological developments have contributed to the emergence of a new economic system - the sharing economy. A prominent example of this new type of economy lies in the tourism industry. This sector has been influenced and transformed by this economy with important consequences for tourism, tourist destinations, and sustainability. This article, through a systematic review of the literature, endeavours to systematize current knowledge of this relationship and investigate its evolution, the relationship between this new form of economy and the sustainability in tourism as well as the areas that have not yet been explored for possible future research. For this, a study of 45 articles was subsequently analysed in the light of content analysis. The results show although it is an area of growing interest, given the number of recent articles, there are few studies concerned in the relation between sharing economy and sustainability in the tourism sector. There are four major areas of current studies with quantitative methods dominating investigations. The impacts that this type of economy has on tourism and also on the sustainability of the destinations remain dubious and there are areas whose results are not consensual among authors. There is thus a need to consolidate the knowledge and to explore several ways of research since it is a subject that is still in the embryonic stage.
description: Journal of Tourism & Development, vol. 1 n.º 36 (2021)
title: Dynamical Hotness, Star Formation Quenching, and Growth of Supermassive Black Holes
Creators: name: Hong, Hui
name: Wang, Huiyuan
name: Mo, H. J.
name: Zhang, Ziwen
name: Chen, Guangwen
name: Luo, Wentao
name: Wang, Tinggui
name: Li, Pengfei
name: Yao, Yao
name: Jiang, Aoxiang
Publisher: name: University of Massachusetts Amherst
Year: 2023
Subjects: subject: Astrophysics and Astronomy

description: A stellar system is dynamically hot when its kinetic energy is dominated by random motion represented by the velocity dispersion σhot. We use MaNGA data to obtain the inner and outer dispersion of a galaxy, σin and σout, to characterize its dynamical status and study its connection with star formation quenching and the growth of its supermassive black hole (SMBH). We divide galaxies into fully quenched (FQGs), partially quenched (PQGs), and fully star-forming (FSGs) populations, and identify quenched central cores (QCCs) in PQGs. The galaxy distribution in (σin/σhot)–(σout/σhot) diagram is L-shaped, consisting of a horizontal sequence (σout/σhot ∼ 0) and a vertical sequence (σin/σhot ∼ 1). FQGs and QCCs are located at the top of the vertical sequence, σout/σhot ∼ 1, and are thus dynamically hot over their entire bodies. PQGs reside along the vertical sequence, so they have hot centers but cold outskirts. FSGs are diverse and can be found in both sequences. Galaxy structural properties, star formation, and AGN activities make a transition along the horizontal sequence at σin/σhot ∼ 0.5, and along the vertical sequence at σout/σhot ∼ 0.5. The fractions of optical AGNs and barred galaxies increase rapidly in the first transition and decline rapidly in the second; radio galaxies are located at the top of the vertical sequence. Our results demonstrate that star formation quenching and SMBH growth are effective only in dynamically hot systems. A simple model along this line can reproduce the observed SMBH scaling relations. We discuss how secular processes and strong interactions can make a system dynamically hot, and lead to the SMBH growth and star formation quenching.
title: ADCO, Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome I, Cart. 185 (11 H 70), f. 0230v
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2012
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome I, Archives départementales de la Côte-d'Or, Cart. 185 (11 H 70), f. 0230v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire général de Cîteaux, dit de Jean de Cirey, (XVe siècle), tome I, Archives départementales de la Côte-d'Or, Cart. 185 (11 H 70), f. 0230v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
An open string analogue of Viterbo functoriality
Creators: name: Abouzaid, Mohammed
name: Seidel, Paul
Publisher: name: arXiv
Year: 2007
Subjects: subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 53D40

description: Liouville domains are a special type of symplectic manifolds with boundary (they have an everywhere defined Liouville flow, pointing outwards along the boundary). Symplectic cohomology for Liouville domains was introduced by Cieliebak-Floer-Hofer-Wysocki and Vitero. The latter constructed a restriction (or transfer) map associated to an embedding of one Liouville domain into another. In this preprint, we look at exact Lagrangian submanifolds with Legendrian boundary inside a Liouville domain. The analogue of symplectic cohomology for such submanifolds is called "wrapped Floer cohomology". We construct an A_\infty-structure on the underlying wrapped Floer complex, and (under suitable assumptions) an A_\infty-homomorphism realizing the restriction to a Liouville subdomain. The construction of the A_\infty-structure relies on an implementation of homotopy direct limits, and involves some new moduli spaces which are solutions of generalized continuation map equations.
description: 71 pages, 9 figures, minor revision correcting typographical errors and clarifying the exposition following a referee's comments
Computational Chemistry - Space & Time Travellers Tool
Creators: name: erastova, valentina
Publisher: name: Zenodo
Year: 2025

description: Valentina Erastova

EaSTCHEM School of Chemistry, University of Edinburgh, Scotland

Group website: www.erastova.xyz

Abstract:

'Where to land the next Mars rover?', and 'I found a peptide on a rocky planet - is it a sign of extraterrestrial life?'

Within this talk, I will discuss the role of minerals - from silicates to ices - in the emergence of protobiomolecules; preservation of biosignatures and identification of their lookalikes. I will show how molecular modelling can aid in exploration of experimentally unattainable systems; helping to develop, test, and refine our hypothesis of the Origin of Life. The goal of this talk is to showcase some of the work in the group while fostering discussion and developing new and exciting ideas together.

Resources:

ClayCode is available open-source at github.com/Erastova-group/ClayCode, DOI: 10.5281/zenodo.11219451. 

A workshop material dedicated to ClayCode is also available: github.com/Erastova-group/ClayCode-workshop.

Manual and Tutorials are available at claycode.readthedocs.io.
the role of the school manager on the quality assurance education.
Creators: name: Addawe, Farah Abdulle
Publisher: name: Zenodo
Year: 2025
Subjects: school manager
quality assurance
quality assurance education

description: Abstract

This study investigated the role of school manager on quality assurance of education  in Somalia, with the objective of  To identify the relation between school manager and quality assurance and explain the importance of quality assurance in education such programmes, To describe how the school managers contribute to the development and implementation of quality assurance policies in educational institutions in Somalia, To identify factors influence quality assurance in education  in the country. The study was conducted through case study design, using questionnaire as instrument of the study to collect data from 213 respondents selected from the target of 455 populations. The data was analyzed using descriptive statistics through SPSS data analysis software and presented in tables and charts with conceptual interpretation. The study found that school manager has a positive role on quality assurance of education goals in Somalia. Finally the study suggested that. The study concludes that All in all the viewpoints of respondents guests were positive feedback and good moral the respondents were expressed the role of school manager on quality assurance of education  goals in Somalia and improvement through implementation of predetermined national goals of education in Somalia, The study recommended that To identify  impact of unqualified school managers on quality of education in Somalia.To describe obstacles of reaching excellence education and development of educational goals in Somalia. To investigate impact of private education on quality assurance of education, finally the influence of unqualified teachers on quality of education.
One-dimensional scaling limits in a planar Laplacian random growth model
Creators: name: Sola, Alan
name: Turner, Amanda
name: Viklund, Fredrik
Publisher: name: arXiv
Year: 2018
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 60K35 (Primary) 30C35, 60D05, 60F99 (Secondary)

description: We consider a family of growth models defined using conformal maps in which the local growth rate is determined by $|Φ_n'|^{-η}$, where $Φ_n$ is the aggregate map for $n$ particles. We establish a scaling limit result in which strong feedback in the growth rule leads to one-dimensional limits in the form of straight slits. More precisely, we exhibit a phase transition in the ancestral structure of the growing clusters: for $η>1$, aggregating particles attach to their immediate predecessors with high probability, while for $η<1$ almost surely this does not happen.
description: In version 3, the order of sections has been rearranged and a few minor typos have been corrected
Efficacy and safety of oral paracetamol versus oral ibuprofen for closure of patent ductus arteriosus in preterm infants: a randomized controlled trial
Creators: name: El-Farrash, Rania A.
name: Shimy, Mohammed S. El
name: El-Sakka, Abeer S.
name: Ahmed, Manal G.
name: Abdel-Moez, Dina G.
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Medicine
subject: Cell Biology
subject: Pharmacology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy

description: Objective: The objective of this study is to evaluate the efficacy and safety of oral paracetamol versus oral ibuprofen in the treatment of hemodynamically significant patent ductus arteriosus (hsPDA) in preterm infants. Study design: An interventional randomized case–control study, registered in ClinicalTrials.gov (NCT03265782), was conducted on 60 preterm infants with gestational age ≤34 weeks, postnatal age of 2–7 d and color Doppler echocardiographic evidence of hsPDA. Neonates were randomly assigned to two groups: 30 received oral ibuprofen and 30 received oral paracetamol. With failure of ductal closure, a second course of ibuprofen or paracetamol was given. The included newborns were subjected to detailed history, clinical examination, laboratory investigations that included complete blood count, renal, and liver function tests and echocardiographic evaluation. Results: Oral paracetamol was as effective as ibuprofen for the closure of patent ductus arteriosus (PDA) with one course of treatment (p > .05). Moreover, oral paracetamol was superior to ibuprofen among neonates who needed second course of treatment with significant decrease in end diastolic flow velocity in the left pulmonary artery (0.35 ± 0.09 versus 0.19 ± 0.06, p = .014), right ventricular systolic pressure (40.50 ± 12.91 versus 20.50 ± 0.58, p = .016) and left atrium to aortic root ratio (1.23 ± 0.14 versus 1.07 ± 0.04, p = .046) when compared to ibuprofen group. Furthermore, the mean difference between pre- and post-treatment PDA size was significantly higher in the paracetamol group compared with ibuprofen group after the second course of treatment (1.07 ± 0.32 versus 0.73 ± 0.38, p = .024). Oral paracetamol was comparable with ibuprofen in terms of the rate of non-surgical ductal closure [28 (93.3%) versus 24 (80%), p = .591]. In addition, oral paracetamol was as safe as oral ibuprofen in terms of gastrointestinal perforation or bleeding, necrotizing enterocolitis, bronchopulmonary dysplasia, intraventricular hemorrhage, thrombocytopenia, hepatic or renal dysfunction. Conclusions: Oral paracetamol is an effective and well-tolerated first-line drug treatment for PDA in premature infants. Trial registration:ClinicalTrials.gov identifier: NCT03265782.
Transversity signals at COMPASS
Creators: name: By COMPASS Collaboration
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: COMPASS is a fixed target experiment at the CERN SPS, with a rich physics program focused on nucleon spin structure and on hadron spectroscopy. One of the main goals of the spin program is the measurement of the transverse spin distribution function $Δ_T q(x)$ in semi-inclusive DIS off transversely polarized nucleons. For this purpose approximately 20% of the running time in the years 2002 to 2004 with the longitudinally polarized muon beam of 160 GeV and with $^6$LiD polarized target was used to collect data with the target polarized transversely with respect to the beam direction. The 2002 data have been already analysed and published. We present here the preliminary results from the full statistics for the Collins and Sivers single hadron asymmetries and for the transverse spin asymmetry in hadron pair production.
description: 4 pages, 5 figures, prepared for the QCD06 Conference, 3-7th July 2006, Montpellier
Majorana, the Neutron, and the Neutrino: Some elementary historical remarks
Creators: name: Recami, Erasmo
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Physics (physics.gen-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: At the kind request of the Editor of Hadronic Journal, and of TEC/TNRG (Usa), we recall in this article some elementary historical information about the role played by Ettore Majorana[1-17] with regard to the Neutron, and to the Neutrino. Often we do explicitly insert direct quotations from the original written statements --in particular by Edoardo Amaldi[22-24]--, which in some cases, and for some topics, constitute the main available evidence. We also discuss some recent, unjustified rumors about Ettore Majorana and Enrico Fermi. [Keywords: Ettore Majorana; Neutron; Neutrinos; Enrico Fermi; Edoardo Amaldi; Majorana spinors; Majorana algebras; Majorana fermions; Fred Wilczek; History of XX century physics; Reply to unjustified rumors]
description: 38 pages, with 4 Figures. Work partially supported by CAPES (Brazil), and by TEC/TNRG (USA). [The published version contained some defects that are corrected in this e-print]
Novel approach for ranking DEMs: Copernicus DEM improves one arc second open global topography
Creators: name: Bielski, Conrad
name: López-Vázquez, Carlos
name: Grohmann, Carlos H.
name: Guth, Peter L.
name: Hawker, Laurence
name: Gesch, Dean
name: Trevisani, Sebastiano
name: Herrera-Cruz, Virginia
name: Riazanoff, Serge
name: Corseaux, Axel
name: Reuter, Hannes I.
name: Strobl, Peter
Publisher: name: arXiv
Year: 2023
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: We present a practical approach to inter-compare a range of candidate digital elevation models (DEMs) based on pre-defined criteria and statistically sound ranking approach. The presented approach integrates the randomized complete block design (RCBD) into a novel framework for DEMs comparison. The method presented provides a flexible, statistically sound and customizable tool for evaluating the quality of any raster - in this case a DEM - by means of a ranking approach, which takes into account a confidence level, and can use both quantitative and qualitative criteria. The users can design their own criteria for the quality evaluation in relation to their specific needs. The application of the RCBD method to rank six 1" global DEMs, considering a wide set of study sites, covering different morphological and landcover settings, highlights the potentialities of the approach. We used a suite of criteria relating to the differences in the elevation, slope, and roughness distributions compared to reference DEMs aggregated from 1-5 m lidar-derived DEMs. Results confirmed significant superiority of CopDEM 1" and its derivative FABDEM as the overall best 1" global DEMs. They are slightly better than ALOS, and clearly outperform NASADEM and SRTM, which are in turn much better than ASTER.
description: Published in IEEE Transactions on Geoscience & Remote Sensing
Exploring creative tourist experience: A text-mining approach based on TripAdvisor reviews of a cooking workshop in Lisbon, Portugal
Creators: name: Yi, Sunghwan
name: Huang, Shuyue
Publisher: name: Journal of Tourism & Development
Year: 2021

description: Creative tourists are known to appreciate gaining unique and memorable experiences while interacting with and learning from local people. The purpose of the current research is to conduct a case study of creative tourism in the context of Portuguese cooking classes by text-mining online reviews scraped from TripAdvisor. A series of text-mining analyses like frequency analysis and word cloud, sentiment analysis, word correlation, and topic modeling were conducted on 426 online reviews posted between 2014 and 2018. Our findings indicated that positive emotions, hedonic experience, authenticity, interaction with service providers, interaction with local people, and learning experience, which had been considered key elements of creative tourism in previous research, were indeed appreciated by online reviewers of the cooking class. Also, different types of value, including functional and emotional value, were identified in the cooking class experience. The study result offers directions for business operators and destination marketing organizations in promoting creative tourism at the destination.
description: Journal of Tourism & Development, vol. 1 n.º 36 (2021)
Current Algebra on the Torus
Creators: name: Dolan, Louise
name: Goddard, Peter
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We derive the N-point one-loop correlation functions for the currents of an arbitrary affine Kac-Moody algebra. The one-loop amplitudes, which are elliptic functions defined on the torus Riemann surface, are specified by group invariant tensors and certain constant tau-dependent functions. We compute the elliptic functions via a generating function, and explicitly construct the invariant tensor functions recursively in terms of Young tableaux. The lowest tensors are related to the character formula of the representation of the affine algebra. These general current algebra loop amplitudes provide a building block for open twistor string theory, among other applications.
description: 48 pages
Chemical fingerprints of hot Jupiter planet formation
Creators: name: Maldonado, J.
name: Villaver, E.
name: Eiroa, C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The current paradigm to explain the presence of Jupiters with small orbital periods (P $
description: Accepted by Astronomy & Astrophysics
Intellectual capital and financial performance of Portuguese tourism sector
Creators: name: Silva, Maria De Lurdes
name: Costa, Vânia
name: Loureiro, Paula
Publisher: name: Journal of Tourism & Development
Year: 2021

description: According to the literature, the intellectual capital is a critical element of value creation in organization performance, able to contribute for sustainable and higher financial income. This work aims to identify the added value and the efficiency of intellectual capital in its three dimensions - (i) human capital, (ii) structural capital and (iii) relational capital – in the tourism sector and evaluate its impact on the business performance. Data are draw from Simplified Business Information (IES) based on the Iberian Balance Analysis System (SABI). This study was performed with a sample of sheets and financial reports of 46 951 Portuguese companies in the tourism sector, during the 2007 to 2016 period. The results showed that all the dimensions of the intellectual capital have a positive and significant impact on the business performance of the tourism Portuguese sector. Human capital is the most effective dimension of intellectual capital and value creation. The application of the Value Added Intellectual Coefficient (VAIC) model provides practical implications for management and valorisation of intellectual capital. Therefore, the empirical results with the present analysis are relevant for future strategy for the tourism sector development in Portugal.
description: Journal of Tourism & Development, vol. 1 n.º 36 (2021)
MOG without anomaly
Creators: name: Sepehri, Alireza
name: Ghaffary, Tooraj
name: Naimi, Yaghoob
Publisher: name: arXiv
Year: 2018
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We obtain the action of Moffat's Modified Gravity, (MOG), a scalar-tensor-vector theory of gravitation, by generalizing the Horava-Witten mechanism to fourteen dimensions. We show that the resulting theory is anomaly-free. We propose an extended version of MOG that includes fermionic fields.
description: 24 pages; 13 pictures
From stability to chaos in last-passage percolation
Creators: name: Ahlberg, Daniel
name: Deijfen, Maria
name: Sfragara, Matteo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60K35

description: We study the transition from stability to chaos in a dynamic last passage percolation model on $\mathbb{Z}^d$ with random weights at the vertices. Given an initial weight configuration at time $0$, we perturb the model over time in such a way that the weight configuration at time $t$ is obtained by resampling each weight independently with probability $t$. On the cube $[0,n]^d$, we study geodesics, that is, weight-maximizing up-right paths from $(0,0, \dots, 0)$ to $(n,n, \dots, n)$, and their passage time $T$. Under mild conditions on the weight distribution, we prove a phase transition between stability and chaos at $t \asymp \frac{1}{n}\mathrm{Var}(T)$. Indeed, as $n$ grows large, for small values of $t$, the passage times at time $0$ and time $t$ are highly correlated, while for large values of $t$, the geodesics become almost disjoint.
description: 12 pages. A video summary may be found at https://youtu.be/Y29t_KUzv7k
Surface solitons in two-dimensional chirped photonic lattices
Creators: name: Molina, Mario I.
name: Kartashov, Yaroslav V.
name: Torner, Lluis
name: Kivshar, Yuri S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We study surface modes in semi-infinite chirped two-dimensional photonic lattices in the frame- work of an effective discrete nonlinear model. We demonstrate that the lattice chirp can change dramatically the conditions for the mode localization near the surface, and we find numerically the families of surface modes, in linear lattices, and discrete surface solitons, in nonlinear lattices. We demonstrate that, in a sharp contrast to one-dimensional discrete surface solitons, in two-dimensional lattices the mode threshold power is lowered by the action of both the surface and lattice chirp. By manipulating with the lattice chirp, we can control the mode position and its localization.
description: 12 pages, 7 figures
Sustainable mobility practices in Tuscany, Italy: The Tyrrhenian Cycling Path
Creators: name: Fossi, Asia
name: Au-Yong-Oliveira, Manuel
Publisher: name: Journal of Tourism & Development
Year: 2021

description: The tourism industry is growing fast, albeit it is acknowledged that tourism practices are frequently a threat to the environment and to the world's ecosystems. Sustainable tourism practices are emerging as an alternative to mass tourism and in this context new trends in cycletourism have emerged. This paper focuses on cycletourism in Italy, namely in the region of Tuscany. A new demand for slower and more sustainable tourism has boosted new economic opportunities. We thus present the Tyrrhenian Cycling Path project, involving three different Italian regions and municipalities in the Tuscany region. This new eco-compatible infrastructure will be able to connect different areas of interest for international and national tourists, enhancing the whole touristic area, targeting new flows of more responsible travellers and introducing new technologies in the field of recycling materials. The aim of the authors is to introduce a project that is still in development but has all the indicators for becoming a strong engine of change and progress, both in an economic but also in a social and environmental way. Together with the creation of new economic activities and jobs, this project aims to create a new collective conscience on sustainable practices and innovative solutions to tackle the exploitation of both the natural and cultural heritages with mass tourism.
description: Journal of Tourism & Development, vol. 1 n.º 36 (2021)
"БОЖХОНА ҚОИДАЛАРИНИ БУЗИШ БИЛАН БОҒЛИҚ ҲУҚУҚБУЗАРЛИКЛАРНИНГ ОЛДИНИ ОЛИШ: ПРОФИЛАКТИКА ИНСПЕКТОРИНИНГ МАХСУС ЧОРА-ТАДБИРЛАРИНИ ТАКОМИЛЛАШТИРИШ"
Creators: name: Бабаханов, Ҳамдам
name: Худойбердиев, Сардор
Publisher: name: Zenodo
Year: 2025

description: Божхона қоидаларини бузиш билан боғлик ҳуқуқбузарликларнинг олдини олиш ва профилактика чораларини такомиллаштириш мақоласида божхона фаолиятининг аҳамияти, божхона қоидаларини бузишнинг салбий оқибатлари ва уларнинг олдини олиш йўллари муҳокама этилади. Мақолада профилактика инспекторининг махсус чора-тадбирларини такомиллаштиришнинг зарурлиги, инновацион технологияларни жорий этиш, қонунчиликнинг такомиллаштирилиши, жамоатчиликнинг иштирокини кучайтириш ва халқаро ҳамкорликнинг аҳамияти ҳақида батафсил тўхталанади. Шунингдек, мақолада Ўзбекистон Республикаси Президентининг фармон ва қарорларига мувофик божхона фаолиятининг ривожлантиришига оид таклифлар баён этилади.
Combinatorial Hopf algebras and Towers of Algebras
Creators: name: Bergeron, Nantel
name: Lam, Thomas
name: Li, Huilan
Publisher: name: arXiv
Year: 2007
Subjects: subject: Combinatorics (math.CO)
subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 16W30, 18F30, 05E05, 05E10

description: Bergeron and Li have introduced a set of axioms which guarantee that the Grothendieck groups of a tower of algebras $\bigoplus_{n\ge0}A_n$ can be endowed with the structure of graded dual Hopf algebras. Hivert and Nzeutzhap, and independently Lam and Shimozono constructed dual graded graphs from primitive elements in Hopf algebras. In this paper we apply the composition of these constructions to towers of algebras. We show that if a tower $\bigoplus_{n\ge0}A_n$ gives rise to graded dual Hopf algebras then we must have $\dim(A_n)=r^nn!$ where $r = \dim(A_1)$.
description: 7 pages
Glucuronoyl esterases: diversity, properties and biotechnological potential. A review
Creators: name: Monrad, Rune Nygaard
name: Eklöf, Jens
name: Krogh, Kristian B. R. M.
name: Biely, Peter
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified

description: Glucuronoyl esterases (GEs) belonging to the carbohydrate esterase family 15 (CE15) are involved in microbial degradation of lignocellulosic plant materials. GEs are capable of degrading complex polymers of lignin and hemicellulose cleaving ester bonds between glucuronic acid residues in xylan and lignin alcohols. GEs promote separation of lignin, hemicellulose and cellulose which is crucial for efficient utilization of biomass as an energy source and feedstock for further processing into products or chemicals. Genes encoding GEs are found in both fungi and bacteria, but, so far, bacterial GEs are essentially unexplored, and despite being discovered >10 years ago, only a limited number of GEs have been characterized. The first laboratory scale example of improved xylose and glucuronic acid release by the synergistic action of GE with cellulolytic enzymes was only reported recently (improved C5 sugar and glucuronic acid yields) and, until now, not much is known about their biotechnology potential. In this review, we discuss the diversity, structure and properties of microbial GEs and consider the status of their action on natural substrates and in biological systems in relation to their future industrial use.
Analysis of The Tailored Coupled-Cluster Method in Quantum Chemistry
Creators: name: Faulstich, Fabian M.
name: Laestadius, Andre
name: Legeza, Örs
name: Schneider, Reinhold
name: Kvaal, Simen
Publisher: name: arXiv
Year: 2018
Subjects: subject: Numerical Analysis (math.NA)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Chemical Physics (physics.chem-ph)
subject: Computational Physics (physics.comp-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: In quantum chemistry, one of the most important challenges is the static correlation problem when solving the electronic Schrödinger equation for molecules in the Born--Oppenheimer approximation. In this article, we analyze the tailored coupled-cluster method (TCC), one particular and promising method for treating molecular electronic-structure problems with static correlation. The TCC method combines the single-reference coupled-cluster (CC) approach with an approximate reference calculation in a subspace [complete active space (CAS)] of the considered Hilbert space that covers the static correlation. A one-particle spectral gap assumption is introduced, separating the CAS from the remaining Hilbert space. This replaces the nonexisting or nearly nonexisting gap between the highest occupied molecular orbital and the lowest unoccupied molecular orbital usually encountered in standard single-reference quantum chemistry. The analysis covers, in particular, CC methods tailored by tensor-network states (TNS-TCC methods). The problem is formulated in a nonlinear functional analysis framework, and, under certain conditions such as the aforementioned gap, local uniqueness and existence are proved using Zarantonello's lemma. From the Aubin--Nitsche-duality method, a quadratic error bound valid for TNS-TCC methods is derived, e.g., for linear-tensor-network TCC schemes using the density matrix renormalization group method.
Learning in Wireless Control Systems over Non-Stationary Channels
Creators: name: Eisen, Mark
name: Gatsis, Konstantinos
name: Pappas, George J.
name: Ribeiro, Alejandro
Publisher: name: arXiv
Year: 2018
Subjects: subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: This paper considers a set of multiple independent control systems that are each connected over a non-stationary wireless channel. The goal is to maximize control performance over all the systems through the allocation of transmitting power within a fixed budget. This can be formulated as a constrained optimization problem examined using Lagrangian duality. By taking samples of the unknown wireless channel at every time instance, the resulting problem takes on the form of empirical risk minimization, a well-studied problem in machine learning. Due to the non-stationarity of wireless channels, optimal allocations must be continuously learned and updated as the channel evolves. The quadratic convergence property of Newton's method motivates its use in learning approximately optimal power allocation policies over the sampled dual function as the channel evolves over time. Conditions are established under which Newton's method learns approximate solutions with a single update, and the subsequent sub-optimality of the control problem is further characterized. Numerical simulations illustrate the near-optimal performance of the method and resulting stability on a wireless control problem.
title: ADCO, Ordre cistercien et abbaye de Cîteaux : comptes pour l'ordre (1337-1347), comptes du boursier (1377-1402) (11 H 1160), f. 00227
Creators: name: de la Côte-d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2017
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: comptes
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Ordre cistercien et abbaye de Cîteaux : comptes pour l'ordre (1337-1347), comptes du boursier (1377-1402), Archives départementales de la Côte-d'Or, (11 H 1160). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Ordre cistercien et abbaye de Cîteaux : comptes pour l'ordre (1337-1347), comptes du boursier (1377-1402), Archives départementales de la Côte-d'Or, (11 H 1160), f. 00227, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Place attachment and Involvement with Rural Wine Tourism
Creators: name: Silva, Carla Maria
name: Kastenholz, Elisabeth
name: Marques, Carlos Peixeira
Publisher: name: Journal of Tourism & Development
Year: 2021

description: Tourism is motivated by the desire to experience distinct places and these places are typically perceived and linked to distinct images, emotions and meanings. The physical, natural and social and cultural elements of a place are important differentiating factors to attract, involve and attach people to them, both as visitors and residents. Place attachment and involvement has received increasing interest amongst tourism scholars, due to its obvious potential contribution to tourist loyalty and sustainable destination development. Still, despite the growing research on place-attachment and involvement in tourism, there is a lack of studies linking these constructs and specifically within wine regions. Within this context, the present conceptual work aims to present the concepts and dimensions of place-attachment and involvement in wine tourism based on an extensive literature review, from the scientific database Scopus, including the most relevant international scientific contributions in the field of tourism, with the keywords ‘place attachment’ and ‘involvement’ and ’wine tourism’.
description: Journal of Tourism & Development, vol. 1 n.º 36 (2021)
Parametric downconversion with optimized spectral properties in nonlinear photonic crystals
Creators: name: Corona, María
name: U'Ren, Alfred B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the joint spectral properties of photon pairs generated by spontaneous parametric down-conversion in a one-dimensional nonlinear photonic crystal in a collinear, degenerate, type-II geometry. We show that the photonic crystal properties may be exploited to compensate for material dispersion and obtain photon pairs that are nearly factorable, in principle, for arbitrary materials and spectral regions, limited by the ability to fabricate the nonlinear crystal with the required periodic variation in the refractive indices for the ordinary and extraordinary waves.
description: 9 pages, 6 figures
ACM TVX’18 Workshops Frontmatter
Creators: name: ACM TVX2018
name: Moor, Katrien De
name: Meixner, Britta
name: Chang, Stanley
Publisher: name: figshare
Year: 2018
Subjects: subject: 80602 Computer-Human Interaction
subject: FOS: Psychology

description: Workshops have been an integral part of the ACM TVX conference ever since its establishment in 2014, succeeding the EuroITV conference series. Workshops at TVX are a forum for interactive, open discussion and even practical exercises, typically addressing specific or novel topics and emerging areas.
For the 5th edition of the event, from a high-quality set of proposals, the chairs selected a total of 3 workshops which complement each other in scope, format, and research background. The following workshops took place on the first day of the conference (June 26, 2018):
Care TVX: Challenges and Design to improve TV in in-hospital environment and for visually impaired people (half-day workshop)https://caretvx.ls2n.fr
360° Video Storytelling and Virtual Reality Workshop (full-day workshop)https://www.amsterdamcreativeindustries.com/content/workshop-day-virtual-reality
Somewhere between Search and Recommendation: An Alternative Thinking for Video Content Discovery Method (invited, half-day workshop)http://www.ntvx.kr
The TVX’18 Adjunct Proceedings contain the substantial papers that have been accepted for and presented at the respective workshops. The description abstracts of the workshops themselves have been published in the ACM Digital Library.
On Waring's problem: beyond Freiman's theorem
Creators: name: Bruedern, Joerg
name: Wooley, Trevor D.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11P05, 11P55

description: Let $k_i\in \mathbb N$ $(i\ge 1)$ satisfy $2\le k_1\le k_2\le \ldots $. Freiman's theorem shows that when $j\in \mathbb N$, there exists $s=s(j)\in \mathbb N$ such that all large integers $n$ are represented in the form $n=x_1^{k_j}+x_2^{k_{j+1}}+\ldots +x_s^{k_{j+s-1}}$, with $x_i\in \mathbb N$, if and only if $\sum k_i^{-1}$ diverges. We make this theorem effective by showing that, for each fixed $j$, it suffices to impose the condition \[ \sum_{i=j}^\infty k_i^{-1}\ge 2\log k_j +4.71. \] More is established when the sequence of exponents forms an arithmetic progression. Thus, for example, when $k\in \mathbb N$ and $s\ge 100(k+1)^2$, all large integers $n$ are represented in the form $n=x_1^k+x_2^{k+1}+\ldots +x_s^{k+s-1}$, with $x_i\in \mathbb N$.
description: 20 pages
Relativistic polytropic spheres with electric charge: Compact stars, compactness and mass bounds, and quasiblack hole configurations
Creators: name: Arbañil, José D. V.
name: Zanchin, Vilson T.
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study the static stellar equilibrium configurations ofuncharged and charged spheres composed by a relativistic polytropic fluid, and compare with those of spheres composed by a non-relativistic polytropic fluid, the later case already being studied in a previous work [J. D. Arbañil, P. S. Lemos, V. T. Zanchin, Phys. Rev. D \textbf{88}, 084023 (2013)]. In the relativistic fluid case, a relativistic polytropic equation of state, $p=ωδ^γ$, is assumedd. Here, $δ=ρ-p/(γ-1)$, with $δ$ and $ρ$ being the rest mass density and the energy density, respectively, and $ω$ and $γ$ are respectively the polytropic constant and the polytropic exponent. We assume that the charge density $ρ_e$ is proportional to the energy density $ρ$, $ρ_e = α\, ρ$, with $α$ being a constant such that $0\leq |α|\leq 1$. Some properties of the charged spheres such as mass, total electric charge, radius, redshift, and the speed of sound are analyzed. The dependence of such properties with the polytropic exponent is also investigated. In addition, some limits that arise in general relativity, such as the Chandrasekhar limit, the Oppenheimer-Volkoff limit, the Buchdahl bound and the Buchdahl-Andréasson bound, i.e., the Buchdahl bound for the electric case, are studied. As in a charged non-relativistic polytropic sphere, the charged relativistic polytropic sphere with $γ\to\infty$ and $α\to 1$ saturates the Buchdahl-Andréasson bound, thus indicating that it reaches the quasiblack hole configuration. We show by means of numerical analysis that, as expected, the major differences between the two cases appear in the high energy density region.
description: 15 pages, 15 figures
Quantum parallelism as a tool for ensemble spin dynamics calculations
Creators: name: Alvarez, Gonzalo A.
name: Danieli, Ernesto P.
name: Levstein, Patricia R.
name: Pastawski, Horacio M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Efficient simulations of quantum evolutions of spin-1/2 systems are relevant for ensemble quantum computation as well as in typical NMR experiments. We propose an efficient method to calculate the dynamics of an observable provided that the initial excitation is "local". It resorts a single entangled pure initial state built as a superposition, with random phases, of the pure elements that compose the mixture. This ensures self-averaging of any observable, drastically reducing the calculation time. The procedure is tested for two representative systems: a spin star (cluster with random long range interactions) and a spin ladder.
description: 5 pages, 3 figures, improved version of the manuscript
Figures S1-S3 from Fitness consequences of threshold trait expression subject to environmental cues
Creators: name: Łukasz Michalczyk
name: Dudziak, Magdalena
name: Radwan, Jacek
name: Tomkins, Joseph L.
Publisher: name: The Royal Society
Year: 2018
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: 60801 Animal Behaviour

description: Fintess of individual males plotted against male status in the three population size regimes.
Demolishing prejudices to get to the foundations: a criterion of demarcation for fundamentality
Creators: name: Del Santo, Flavio
name: Cardelli, Chiara
Publisher: name: arXiv
Year: 2018
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: In this paper, we reject commonly accepted views on fundamentality in science, either based on bottom-up construction or top-down reduction to isolate the alleged fundamental entities. We do not introduce any new scientific methodology, but rather describe the current scientific methodology and show how it entails an inherent search for foundations of science. This is achieved by phrasing (minimal sets of) metaphysical assumptions into falsifiable statements and define as fundamental those that survive empirical tests. The ones that are falsified are rejected, and the corresponding philosophical concept is demolished as a prejudice. Furthermore, we show the application of this criterion in concrete examples of the search for fundamentality in quantum physics and biophysics.
description: Essay originally prepared for the FQXi Essay contest 2018, "What if fundamental?". Accepted for publication in "Foundations of Science" after major revision. 14 pages, 3 figures
title: ADCO, Abbaye de Cîteaux, 'Transcrits des titres de la layette marquée QQ, 1er cartable, liasses 1, 2 et 3' / Cartulaire d'Ouges (XVIIIe siècle, 2e moitié), Cart. 196 (11 H 938), f. 0075
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2017
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: cartulaire

description: Abbaye de Cîteaux, 'Transcrits des titres de la layette marquée QQ, 1er cartable, liasses 1, 2 et 3' / Cartulaire d'Ouges (XVIIIe siècle, 2e moitié), Archives départementales de la Côte-d'Or, Cart. 196 (11 H 938), Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Abbaye de Cîteaux, 'Transcrits des titres de la layette marquée QQ, 1er cartable, liasses 1, 2 et 3' / Cartulaire d'Ouges (XVIIIe siècle, 2e moitié), Archives départementales de la Côte-d'Or, Cart. 196 (11 H 938), f. 0075, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Turismo e sustentabilidade sociocultural: uma reflexão para o futuro
Creators: name: Silva, Ana Filipa
name: Brandão, Filipa
name: Sousa, Bruno Barbosa
Publisher: name: Revista Turismo & Desenvolvimento
Year: 2021

description: O presente trabalho pretende contribuir para uma reflexão entre o crescimento do turismo no centro histórico em contextos específicos de turismo (e.g. Porto) e o fenómeno da gentrificação que tem tomado de assalto as ruas da cidade. Desta forma, será anisado ao longo deste manuscrito, qual o melhor modo de compreender o antagonismo face ao desenvolvimento do turismo, avaliando as perspetivas dos residentes. Em específico, pretende-se apresentar uma revisão de literatura que caminhe no sentido de propor um modelo onde a comunidade se sinta parte integrante do projeto turístico ao invés de prevalecer um sentimento de exclusão face a esta atividade. Importa ainda mencionar que este modelo de desenvolvimento sustentável parte do princípio de que o turismo pode agir como uma ferramenta transformadora e como agente de resgate da tradição local, ao invés de surgir como um mecanismo de exclusão social e de gentrificação. Futuros trabalhos deverão contribuir no sentido de propor (e testar) novos modelos que melhor permitam preservar a sustentabilidade sociocultural no turismo (considerando os impactos de diferentes índoles). Numa perspetiva interdisciplinar, o presente estudo contribui para a literatura do turismo, desenvolvimento sustentável e gestão dos destinos turísticos.
description: Revista Turismo & Desenvolvimento, vol. 1 n.º 36 (2021)