cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Are there any differences in rural development challenges within European countries? Social and economic contexts from EU rural leaders
Creators: name: Kusio, Tomasz
name: Kudełko, Joanna
name: Borges, Alexandra
name: Delic, Anamarija
name: Stroila, Iulia
name: Kusio, Tomasz
name: Kudełko, Joanna
name: Borges, Alexandra
name: Delic, Anamarija
name: Stroila, Iulia
Publisher: name: Unknown
Year: 2022
Subjects: subject: Agribusiness
subject: Community/Rural/Urban Development
subject: economics
subject: entrepreneurship
subject: rural development
subject: social innovations

description: Rural development has become a significant policy challenge in Europe. More employment opportunities have increasingly been concentrated in urban areas, leaving rural regions with ever-continuing down-fall in terms of population size and economic growth. In this context, rural entrepreneurship activity that positively influences rural communities is embedded in broader social or structural policies at the European level. The aim of the article is to investigate societal and economic challenges and their innovative solutions in five European rural regions: Croatia (Slovania), Germany (Münsterland, Saxony-Anhalt), Poland (Małopolska), and Portugal (Alto Minho). This study follows a multi-case method which investigates the diversity of challenges and solutions in selected European rural areas. The comparative analysis reveals that most essential activities aimed at alleviating the development problems of rural areas include education of local communities, improvement of economic and digital infrastructure, activities supporting production and promotion of local products, promotion of cooperation between local communities and producers, and stronger orientation of local policy towards financial support of production enterprises and farms. The conclusions resulting from the study lead to formulating recommendations concerning rural policies in the context of developing entrepreneurship strategies in rural areas.
title: Tectonic Systems (TSK Open Session)
Creators: name:  Froitzheim, Niko
name:  Stipp, Michael
name:  Ustaszewski, Kamil
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2021

description: We invite contributions from the fields of tectonics, structural geology, and crystalline geology. Regional and process-oriented studies from all kinds of active or fossil tectonic settings are welcome – rifting, ocean spreading, subduction, collision, transform, as well as intra-plate deformation. Studies dealing with the development of methods related to the deformation of crust and lithosphere from the micro-scale to plate scale are also invited.
Palicourea angustifolia Kunth
Creators: name: MONRO, A. K.
name: SANTAMARÍA-AGUILAR, D.
name: GONZÁLEZ, F.
name: CHACÓN, O.
name: SOLANO, D.
name: RODRÍGUEZ, A.
name: ZAMORA, N.
name: FEDELE, E.
name: CORREA, M.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae
Palicourea
Palicourea angustifolia

description: Palicourea angustifolia Kunth
Cafecillo (CR).
 Terrestrial shrubs or trees. Distribution in PILA 800– 3200 m, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest, cloud forest, low elevation oak forest, páramo. Global distribution: Costa Rica to Venezuela. Records: A. Soto 1266 (INB), C. Hamilton 3878 (MO), D. Santamaría 3768 (INB), D. Solano 3206 (INB), D. Solano 5082 (BM, INB, MO, PMA), G. Davidse 23782 (CR, MO), L. González 3622 (INB), L. González 3665 (INB), M. Alfaro 137 (INB), N. Zamora 4093 (BM, INB, MO, PMA), N. Zamora 4105 (BM, INB, MO, PMA), N. Zamora 4126 (BM, INB, MO, PMA).
description: Published as part of MONRO, A. K., SANTAMARÍA-AGUILAR, D., GONZÁLEZ, F., CHACÓN, O., SOLANO, D., RODRÍGUEZ, A., ZAMORA, N., FEDELE, E. & CORREA, M., 2017, A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama, pp. 448-450 in Phytotaxa 322 (1) on pages 448-450, DOI: 10.11646/phytotaxa.322.1.1, http://zenodo.org/record/13698397
MaltaPot Għar Dalam photograph collection (MPotPhotosGD2023v1)
Creators: name: Emma, Richard-Trémeau
name: Charles, Betts John
name: Brogan Catriona
Publisher: name: Zenodo
Year: 2023
Subjects: archaeology
pottery
Data
Photographs
Neolithic
Maltese Islands

description: This collection of photographs was compiled as part of the MaltaPot project at the University of Malta. This project aims to enhance the understanding of pottery technology and provenancein Neolithic Malta, mainly dating to the Għar Dalam, Skorba (Early Neolithic), and Zebbuġ (Late Neolithic) phases. This collection presents sherds from the Għar Dalam phase, photographs, and microphotographs and lists their archaeological contexts and form. This collection was prepared thanks to the information from the National Museum of Archaeology (NMA), Malta, and the FRAGSUS project. The project used multiple techniques to characterise the pottery sherds, such as microscopy, polarised light microscope, X-Ray Fluorescence or X-Ray Diffraction. This collection presents the sherds which were not analysed using these destructive techniques, although they had a section ground flat for microphotography. Data collection was carried out between 2018-2020 by Dr Brogan. The document was compiled by 2023 Ms Richard-Trémeau. Photographs can be used if credited. This upload contains a PDF document and two zip files with the macroscopic photograph (Exterior surface) and the microphotographs.
title: Recent advances in geoscientific investigations of the ocean floor
Creators: name:  Bohrmann, Gerhard
name:  Stein, Rüdiger
name:  Bach, Wolfgang
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2021

description: The ocean covers 71% of our earth's surface and is much more difficult to access for geoscientific investigations than the land surface. Although scientists have been studying the ocean from research vessels for more than a century, interest in a global understanding of the earth system and its causal loop processes has led to increased efforts in marine research in recent decades. The seabed has been drilled for more than 50 years and the international drilling program (currently the International Ocean Discovery Program - IODP) is constantly leading to a new aspect in understanding of the interaction of the earth's crust, water masses, ice caps, the atmosphere and the living world today and in the past. State-of-the-art research vessels with advanced deep-submergence technology, such as robotic sea-floor drill rigs and giant-piston coring, submersibles, ROVs and AUVs, as well as acoustic and seismic systems are used to investigate various processes on the seafloor and in the sub-seafloor, some in 4D. In this session we would like to encourage all geoscientists to present exciting results from ship expeditions and marine studies over the past few years.
Effective Superpotentials of Type II D-brane/F-theory on Compact Complete Intersection Calabi-Yau Threefolds
Creators: name: Zou, Hao
name: Yang, Fu-Zhong
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Algebraic Geometry (math.AG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In this paper, we extend the GKZ-system method to the more general case: compact Complete Intersection Calabi-Yau manifolds (CICY). For several one-deformation modulus compact CICYs with D-branes, the on-shell superpotentials in this paper from the extended GKZ-system method are exactly consistent with published results obtained from other methods. We further compute the off-shell superpotentials of these models. Then we obtain both the on-shell and off-shell superpotentials for sev- eral two-deformation moduli compact CICYs with D-branes by using the extended GKZ-system method. The discrete symmetrical groups, Z2, Z3 and Z4, of the holo- morphic curves wrapped by D-branes play the important roles in computing the superpotentials, in some sense, they are the quantum symmetries of these models. Furthermore, through the mirror symmetry, the Ooguri-Vafa invariants are extracted from the A-model instanton expansion.
Harold Heatwole, John W. Wilkinson (Eds). Amphibians Biology. Volume 11 - Status of conservation and decline of Amphibians. Eastern Hemisphere. Part 4 . Southern Europe and Turkey
Creators: name: Salvidio, Sebastiano
Publisher: name: Acta Herpetologica
Year: 2015

description: Acta Herpetologica, Vol 10 No 1 (2015)
Vanishing theorems on compact Chern-Kähler-like Hermitian manifolds
Creators: name: Li, Ping
Publisher: name: arXiv
Year: 2021
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C55, 32Q10, 32Q05

description: We show that, under the definiteness of holomorphic sectional curvature, the spaces of some holomorphic tensor fields on compact Chern-Kähler-like Hermitian manifolds are trivial. These can be viewed as counterparts to Bochner's classical vanishing theorems on compact Kähler manifolds under the definiteness of Ricci curvature or the existence of Kähler-Einstein metrics. Our proof is inspired by and based on some ideas due to X. Yang and L. Ni-F. Zheng.
description: 10 pages, accepted by Mathematical Research Letters
On a transversal theorem of Montejano and Karasev
Creators: name: Holmsen, Andreas F.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: We give a new proof of a theorem of Montejano and Karasev regarding $k$-dimensional transversals to small families of convex sets. While their proof uses technical algebraic and topological tools, our proof is a simple application of the Borsuk-Ulam theorem. Additionally, in certain cases our result is stronger than the Montejano-Karasev theorem.
description: The contents of this manuscript was published as part of the paper: O. Cheong, X. Goaoc, A. F. Holmsen, Some New Results on Geometric Transversals. Discrete Comput Geom (2023)
Singular analytic linear cocycles with negative infinite Lyapunov exponents
Creators: name: Sadel, Christian
name: Xu, Disheng
Publisher: name: arXiv
Year: 2016
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: Primary 37C55, Secondary 34C20, 37A20, 37F99, 37G05

description: We show that linear analytic cocycles where all Lyapunov exponents are negative infinite are nilpotent. For such one-frequency cocycles we show that they can be analytically conjugated to an upper triangular cocycle or a Jordan normal form. As a consequence, an arbitrarily small analytic perturbation leads to distinct Lyapunov exponents. Moreover, in the one-frequency case where the $k$-th Lyapunov exponent is finite and the $k+1$st negative infinite, we obtain a simple criterion for domination in which case there is a splitting into a nilpotent part and an invertible part.
description: 16 pages
CORE576: An Exploration of the Ultra-Structure Notational System for Systems Biology Research
Creators: name: Maier, Christopher Weir
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2006
Subjects: Notational Systems--Ultra-Structure
Information systems--Design
Databases--Biological
Bioinformatic--Proteomics
Bioinformatics--Systems Biology

description: Tools for managing and interacting with biological data must be able to cope with the dynamic, complex, and information-rich nature of biological research. The Ultra-Structure theory, developed by Jeffrey Long, proposes a new notational paradigm of rules that is specifically designed to cope with complex systems. The approach, which has been applied successfully to the intricacies of business management, may prove useful in the context of biological information systems. A prototype of an Ultra-Structure system for biology, dubbed CORE576, was developed in Java and PostgreSQL to explore this proposition in the context of a operating mass spectrometry systems biology laboratory. Examples of the system at work are given, and future research directions are given.
A note on k-very ampleness of line bundles on general blow-ups of hyperelliptic surfaces
Creators: name: Farnik, Lucja
Publisher: name: arXiv
Year: 2015
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14C20, 14E25

description: We study k-very ampleness of line bundles on blow-ups of hyperelliptic surfaces at r very general points. We obtain a numerical condition on the number of points for which a line bundle on the blow-up of a hyperelliptic surface at these r points gives an embedding of order k.
description: 9 pages
Resilience in the food sector - environmental, social and economic perspectives in crisis situations
Creators: name: Franc-Dąbrowska, Justyna
name: Drejerska, Nina
name: Franc-Dąbrowska, Justyna
name: Drejerska, Nina
Publisher: name: Unknown
Year: 2022
Subjects: subject: Agribusiness
subject: Environmental Economics and Policy
subject: resilience
subject: food system
subject: biodiversity
subject: finance
subject: labor
subject: inflation

description: Environmental, social and economic perspectives, derived from the sustainability approach and present within by the resilience concept, are integral parts of food systems. At the same time they are clearly articulated within the EU farm-to-fork (F2F) strategy referring to building up resilience to possible future crises as diseases and pandemics. The aim of this paper is to investigate resilience in the food sector referring to its selected environmental, social and economic dimensions, which in fact rely on each other and cannot be separated, simply because of the character of food system itself (work with living organisms, soil, within natural environment, etc. done by people for business purposes). The issue of resilience in the food sector must be considered multidimensionally. In this approach, the basic direction of activities should be the one focused on the resilience approach, both in environmental protection and society. For a harmonious combination of these activities, it is also necessary to look at economic perspective of food system and entire rural livelihoods (e.g. income and employment diversification). Considering the last shocks discussed (COVID-19, war in Ukraine, drought, embargo on grain exports from Russia, rising inflation), a difficult situation on the food market can be expected in the nearest future, which makes the concept of resilience in the food sector even more relevant than it has been so far.
Obituary: Valery K. Eremchenko (1949-2014)
Creators: name: Borkin, Leo
name: Dujsebayeva, Tatjana
name: Sindaco, Roberto
name: Stöck, Matthias
Publisher: name: Acta Herpetologica
Year: 2015

description: Acta Herpetologica, Vol 10 No 1 (2015)
title: Earth Surface Dynamics and Processes under Climatic and Tectonic controls
Creators: name:  Krautblatter, Michael
name:  Bufe, Aaron
name:  Tofelde, Stefanie
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2021

description: Earth's surface is subject to a complex interplay of tectonic, atmospheric, and biologic forcing and processes of chemical and physical weathering and erosion. In turn, surface processes can modulate climate, tectonics, and life by the cycling of sediments, water, nutrients, and carbon. Predicting the sensitivity of the Earth's surface to changes in climatic or tectonic forcing, therefore requires an understanding of individual processes as well as their interactions across spatial and temporal scales. Here we invite studies that use field, experimental, and modelling approaches to constrain the patterns and rates of erosion, weathering, and transport of solids and solutes across the Earth surface, and to assess their sensitivity to climatic, tectonic, or biologic change.
Conjugates to One Particle Hamiltonians in 1-Dimension in Differential Form
Creators: name: Farrales, Ralph Adrian E.
name: Domingo, Herbert B.
name: Galapon, Eric A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A time operator is a Hermitian operator that is canonically conjugate to a given Hamiltonian. For a particle in 1-dimension, a Hamiltonian conjugate operator in position representation can be obtained by solving a hyperbolic second-order partial differential equation, known as the time kernel equation, with some boundary conditions. One possible solution is the time of arrival operator. Here, we are interested in finding other Hamiltonian conjugates by further studying the boundary conditions. A modified form of the time kernel equation is also considered which gives an even bigger solution space.
description: 28 pages
Composición Categórica de Análisis Automáticos para Líneas de Productos Extendidas
Creators: name: Munoz, Daniel-Jesus
name: Pinto, Monica
name: Fuentes, Lidia
Publisher: name: Zenodo
Year: 2022
Subjects: teoría de categorías
modelo de variabilidad
consultas
razonador
atributo de calidad

description: To watch it in Youtube: https://youtu.be/jF7L0oqxwRg This is the live presentation of a conference paper. Please, access and cite the published version: https://biblioteca.sistedes.es/articulo/composicion-categorica-de-analisis-automaticos-para-lineas-de-productos-extendidas/ Para las Líneas de Productos Software (LPS) se necesitan operaciones que nos permitan analizar dicho software y el reúso de sus características. Los razonadores son herramientas que automatizan estas operaciones. Desde la extensión de LPS con diversos tipos atributos de calidad, el tipo y número de operaciones de razonamiento ha crecido más rápido que el desarrollo de los respectivos razonadores. En consecuencia, las operaciones de an´alisis extendido son en el mejor caso parcialmente soportadas por los razonadores estado-del-arte. Para este desafío, podemos aplicar un enfoque de Teoría de Categorías (TC); el álgebra abstracta que capta los componentes comunes de estructuras aparentemente diferentes. Basándonos en la flexibilidad de sus razonamientos, proponemos una metodología donde las operaciones extendidas sean composiciones configurables de un conjunto de operaciones reusables independientes. Por tanto, buscamos definir e implementar un framework de razonamiento funcional de LPS extendidas basado en TC.
description: Este trabajo está financiado por el programa de investigación e innovación H2020 de la Unión Europea bajo el acuerdo de subvención DAEMON 101017109, por los proyectos también co-financiados por fondos FEDER LEIA UMA18-FEDERJA-15, MEDEA RTI2018-099213-B-I00 y Rhea P18-FR-1081, y la ayuda PRE2019-087496 del Ministerio de Ciencia e Innovación.
No weak epsilon nets for lines and convex sets in space
Creators: name: Cheong, Otfried
name: Goaoc, Xavier
name: Holmsen, Andreas F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: Metric Geometry (math.MG)
subject: FOS: Mathematics

description: We prove that there exist no weak $\varepsilon$-nets of constant size for lines and convex sets in $\mathbb{R}^d$.
description: Boris Bukh has informed us that our construction can be extended to 2-flats in $\mathbb{R}^4$. The contents of this manuscript was published as part of the paper: O. Cheong, X. Goaoc, A. F. Holmsen, Some New Results on Geometric Transversals. Discrete Comput Geom (2023)
Palicourea garciae Standl.
Creators: name: MONRO, A. K.
name: SANTAMARÍA-AGUILAR, D.
name: GONZÁLEZ, F.
name: CHACÓN, O.
name: SOLANO, D.
name: RODRÍGUEZ, A.
name: ZAMORA, N.
name: FEDELE, E.
name: CORREA, M.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae
Palicourea
Palicourea garciae

description: Palicourea garciae Standl.
Cafecillo (CR).
 Terrestrial shrubs or trees. Distribution in PILA 1100– 2500 m, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest, cloud forest, low elevation oak forest. Global distribution: Costa Rica to Peru. Records: A.K. Monro 4478 (BM, MO), A.K. Monro 4527 (BM, MO), A.K. Monro 5596 (BM, INB, MO, PMA).
description: Published as part of MONRO, A. K., SANTAMARÍA-AGUILAR, D., GONZÁLEZ, F., CHACÓN, O., SOLANO, D., RODRÍGUEZ, A., ZAMORA, N., FEDELE, E. & CORREA, M., 2017, A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama, pp. 448-450 in Phytotaxa 322 (1) on pages 448-450, DOI: 10.11646/phytotaxa.322.1.1, http://zenodo.org/record/13698397
A Study of Social Media Marketing in North Carolina Special Libraries
Creators: name: Robinson, Jillian E.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007
Subjects: Diffusion of innovations
Special libraries--Marketing
Marketing--Social media marketing
Libraries--Information technology

description: This study describes a Web questionnaire survey of special librarians in North Carolina who are members of the Special Libraries Association. The survey, based on the theory of the diffusion of innovations, was conducted to determine special librarians' familiarity and knowledge of social media and its possibilities for use in the marketing of special libraries. This study also aimed to determine special librarians' professional development activities and their impact on the adoption of social media marketing techniques. The results of this study support classical diffusion theory. This non-random sample showed user perceptions of relative advantage, compatibility, complexity and observability correlated, in most cases, with the adoption of social media marketing techniques.
Computation of Dilated Kronecker Coefficients
Creators: name: Baldoni, Velleda
name: Vergne, Michèle
name: Walter, Michael
Publisher: name: arXiv
Year: 2016
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics

description: The computation of Kronecker coefficients is a challenging problem with a variety of applications. In this paper we present an approach based on methods from symplectic geometry and residue calculus. We outline a general algorithm for the problem and then illustrate its effectiveness in several interesting examples. Significantly, our algorithm does not only compute individual Kronecker coefficients, but also symbolic formulas that are valid on an entire polyhedral chamber. As a byproduct, we are able to compute several Hilbert series.
description: This article draws heavily from arXiv:1506.02472. It is an updated version of arXiv:1601.04325. We have clarified the structure and layout of the paper and we have isolated the algorithm into Appendix A, giving a concise exposition of it in pseudo-code and a detailed explanation of all steps, cross-referenced with the main text
Re-description of the external morphology of Phyllomedusa iheringii Boulenger, 1885 larvae (Anura: Hylidae), with comments on the external morphology of tadpoles of the P. burmeisteri group
Creators: name: Iop, Samanta
name: Mendes Lipinski, Victor
name: Madalozzo, Bruno
name: Pereira Maragno, Franciele
name: Zanini Cechin, Sonia
name: Gomes Dos Santos, Tiago
Publisher: name: Acta Herpetologica
Year: 2015

description: Phyllomedusa iheringii is a leaf frog endemic to the Uruguayan Savanna, which reproduces in water bodies in open areas. Here, based on the lack of some informative characteristics observed on the first description of this species, we re-describe the larval external morphology of P. iheringii from localities in Brazil and Uruguay, and compared them with other species from the P. burmeisteri group. The tadpoles of P. iheringii belong to the suspension-rasper guild. The body length corresponds to approximately one-third of the total length. The body is pyriform in dorsal view and laterally triangular. The snout is rounded in a dorsolateral view. The spiracle is single and almost ventral, not forming a free tube, and sinistral. The opening of vent tube is dextral. The oral disc is anteroventral and anteriorly directed, with single ventral emargination. Marginal papillae uniseriate, interrupted in a wide dorsal gap, and with pointed tips. The labial tooth row formula is 2(2)/3(1). The third lower row is four times shorter than the others. Furthermore, the tadpoles of P. iheringii showed morphological differences in relation to other species of the P. burmeisteri group, this species seems to be smaller in average and have fewer marginal papillae in the oral discs.
description: Acta Herpetologica, Vol 10 No 1 (2015)
Unfolding AIS transmission behavior for vessel movement modeling on noisy data leveraging machine learning
Creators: name: Spadon, Gabriel
name: Ferreira, Martha D.
name: Soares, Amilcar
name: Matwin, Stan
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: The oceans are a source of an impressive mixture of complex data that could be used to uncover relationships yet to be discovered. Such data comes from the oceans and their surface, such as Automatic Identification System (AIS) messages used for tracking vessels' trajectories. AIS messages are transmitted over radio or satellite at ideally periodic time intervals but vary irregularly over time. As such, this paper aims to model the AIS message transmission behavior through neural networks for forecasting upcoming AIS messages' content from multiple vessels, particularly in a simultaneous approach despite messages' temporal irregularities as outliers. We present a set of experiments comprising multiple algorithms for forecasting tasks with horizon sizes of varying lengths. Deep learning models (e.g., neural networks) revealed themselves to adequately preserve vessels' spatial awareness regardless of temporal irregularity. We show how convolutional layers, feed-forward networks, and recurrent neural networks can improve such tasks by working together. Experimenting with short, medium, and large-sized sequences of messages, our model achieved 36/37/38% of the Relative Percentage Difference - the lower, the better, whereas we observed 92/45/96% on the Elman's RNN, 51/52/40% on the GRU, and 129/98/61% on the LSTM. These results support our model as a driver for improving the prediction of vessel routes when analyzing multiple vessels of diverging types simultaneously under temporally noise data.
A colorful Goodman-Pollack-Wenger theorem
Creators: name: Holmsen, Andreas F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: Metric Geometry (math.MG)
subject: FOS: Mathematics

description: Hadwiger's transversal theorem gives necessary and sufficient conditions for the existence of a line transversal to a family of pairwise disjoint convex sets in the plane. These conditions were subsequently generalized to hyperplane transversals to general families of convex sets in $\mathbb{R}^d$ by Goodman, Pollack, and Wenger. Here we show a colorful genealization of their theorem which confirms a conjecture of Arocha, Bracho, and Montejano. The proof is topological and uses the Borsuk-Ulam theorem.
description: The contents of this manuscript was published as part of the paper: O. Cheong, X. Goaoc, A. F. Holmsen, Some New Results on Geometric Transversals. Discrete Comput Geom (2023)
Cortical Morphometry and Neural Dysfunction in Huntington's Disease
Creators: name: TAN, BRENDAN KER HUI
Publisher: name: Monash University
Year: 2022
Subjects: Clinical neuropsychology
Cognitive neuroscience

description: This thesis is the first to investigate how cortical morphometry (shape) and white matter tractography (connectivity) of specific brain regions change in Huntington’s disease. The aim of this thesis was to better understand the nature, time course and relationship of these changes and their impact on the clinical symptoms observed in the disease. To achieve this aim, longitudinal neuroimaging and clinical data from the Melbourne-based IMAGE-HD study was used. The findings of this thesis provide novel insights that further enhance our knowledge of the progression of disease, specifically highlighting pronounced morphometry abnormalities, and reduced integrity of tracts occurring at different stages of disease.
Heat pump driven by the shot noise of a tunnel contact
Creators: name: Hussein, Robert
name: Kohler, Sigmund
name: Sols, Fernando
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We investigate a mechanism for cooling a lead based on a process that replaces hot electrons by cold ones. The central idea is that a double quantum dot with an inhomogeneous Zeeman splitting acts as energy filter for the transported electrons. The setup is such that hot electrons with spin up are removed, while cold electrons with spin down are added. The required non-equilibrium condition is provided by the capacitive coupling of one quantum dot to the shot noise of a strongly biased quantum point contact in the tunnelling limit. Special attention is paid to the identification of an operating regime in which the net electrical current vanishes.
description: 8 pages, 7 figures
Palicourea triphylla DC.
Creators: name: MONRO, A. K.
name: SANTAMARÍA-AGUILAR, D.
name: GONZÁLEZ, F.
name: CHACÓN, O.
name: SOLANO, D.
name: RODRÍGUEZ, A.
name: ZAMORA, N.
name: FEDELE, E.
name: CORREA, M.
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae
Palicourea
Palicourea triphylla

description: Palicourea triphylla DC.
 Terrestrial herbs or shrubs. Distribution in PILA 100–1300 m, low elevation mixed forest, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest. Global distribution: Mexico, Guatemala to the Guyanas, Bolivia, Greater Antilles. Records: D. Solano 5064 (BM, INB, MO, PMA).
 Palicourea umbelliformis (Dwyer & M.V.Hayden) C.M.Taylor
 Terrestrial shrubs or trees. Distribution in PILA 0–1400 m, low elevation mixed forest, mixed forest in transition to low elevation forest, mixed forest in transition to cloud forest. Global distribution: Costa Rica, Panama. Records: A.K. Monro 4281 (BM, INB, MO), D. Santamaría 7682 (INB, PMA).
description: Published as part of MONRO, A. K., SANTAMARÍA-AGUILAR, D., GONZÁLEZ, F., CHACÓN, O., SOLANO, D., RODRÍGUEZ, A., ZAMORA, N., FEDELE, E. & CORREA, M., 2017, A first checklist to the vascular plants of La Amistad International Park (PILA), Costa Rica-Panama, pp. 448-450 in Phytotaxa 322 (1) on pages 448-450, DOI: 10.11646/phytotaxa.322.1.1, http://zenodo.org/record/13698397
Structures in circumbinary disks: Prospects for observability
Creators: name: Ruge, Jan Philipp
name: Wolf, Sebastian
name: Demidova, Tatiana
name: Grinin, Vladimir
Publisher: name: arXiv
Year: 2015
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: During the past decade circumbinary disks have been discovered around various young binary stars. Hydrodynamical calculations indicate that the gravitational interaction between the central binary star and the surrounding disk results in global perturbations of the disk density profile. We study the observability of characteristic large-scale disk structures resulting from the binary-disk interaction in the case of close binary systems. We derived the structure of circumbinary disks from smoothed-particle hydrodynamic simulations. Subsequently, we performed radiative transfer simulations to obtain scattered light and thermal reemission maps. We investigated the influence of the binary mass ratio, the inclination of the binary orbit relative to the disk midplane, and the eccentricity of the binary orbit on observational quantities. We find that ALMA will allow tracing asymmetries of the inner edge of the disk and potentially resolving spiral arms if the disk is seen face-on. For an edge-on orientation, ALMA will allow detecting perturbations in the disk density distribution through asymmetries in the radial brightness profile. Through the asymmetric structure of the disks, areas are formed with a temperature $2.6$ times higher than at the same location in equivalent unperturbed disks. The time-dependent appearance of the density waves and spiral arms in the disk affects the total re-emission flux of the object by a few percent.
description: 8 pages, 9 figures, to appear in A&A
Pair Correlations in Doped Hubbard Ladders
Creators: name: Dolfi, Michele
name: Bauer, Bela
name: Keller, Sebastian
name: Troyer, Matthias
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Hubbard ladders are an important stepping stone to the physics of the two-dimensional Hubbard model. While many of their properties are accessible to numerical and analytical techniques, the question of whether weakly hole-doped Hubbard ladders are dominated by superconducting or charge-density-wave correlations has so far eluded a definitive answer. In particular, previous numerical simulations of Hubbard ladders have seen a much faster decay of superconducting correlations than expected based on analytical arguments. We revisit this question using a state-of-the-art implementation of the density matrix renormalization group algorithm that allows us to simulate larger system sizes with higher accuracy than before. Performing careful extrapolations of the results, we obtain improved estimates for the Luttinger liquid parameter and the correlation functions at long distances. Our results confirm that, as suggested by analytical considerations, superconducting correlations become dominant in the limit of very small doping.
description: 10 pages, 12 figures, data analysis included
Data Visualization and Analysis about Physicians’ Payment Data
Creators: name: Zhao, Huan
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2018
Subjects: Medicare payment data
Visualization
Disease

description: In this paper, I analyze the relationship between the number of patients that have been identified with a specific type of disease and the physicians’ total charge amount. I hold the assumption that the more states within a region that show statistical significance in the relationship, the more serious the disease in that region will be. But after doing a detailed analysis and visualization, I found the assumption to be invalid. However, I found the incidence rate for some of the diseases were related to geographical location. Therefore, I did a comprehensive research to find the reason for this relationship from different perspectives as well as provide some recommendations.
The Topology of the set of line Transversals
Creators: name: Cheong, Otfried
name: Goaoc, Xavier
name: Holmsen, Andreas F.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics

description: We prove that for any set $F$ of $n\ge 2$ pairwise disjoint open convex sets in $\mathbb{R}^3$, the connected components of the set of lines intersecting every member of $F$ are contractible. The same result holds for directed lines.
description: The contents of this manuscript was published as part of the paper: O. Cheong, X. Goaoc, A. F. Holmsen, Some New Results on Geometric Transversals. Discrete Comput Geom (2023)
title: Induced Seismicity and Wind Turbine Emissions: Sources – Monitoring – Modelling - Mitigation
Creators: name:  Rietbrock, Andreas
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2021

description: The issue of seismicity induced by human activities, e.g. through fluid injection (waste water disposal, hydraulic fracturing), has become increasingly important with technology upscaling. In some regions of the world, seismicity associated with the exploitation of hydrocarbons exceeds natural earthquake activity. Monitoring of induced seismicity with local networks is a key element for managing induced seismicity risks. At the same time there is an increasing number of wind turbines and the associated increase of ground vibrations. This combination complicates ground motion analyses and can disturb earthquake monitoring. A lot of research is ongoing in these topics and we want to provide a platform for exchanging latest results and ideas. Therefore, we invite contributions from research on induced seismicity and/or technically induced seismic signals covering theory, observations and experimental aspects.
Head-related Impulse Response Cues for Spatial Auditory Brain-computer Interface
Creators: name: Nakaizumi, Chisaki
name: Makino, Shoji
name: Rutkowski, Tomasz M.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: This study provides a comprehensive test of a head-related impulse response (HRIR) cues for a spatial auditory brain-computer interface (saBCI) speller paradigm. We present a comparison with the conventional virtual sound headphone-based spatial auditory modality. We propose and optimize the three types of sound spatialization settings using a variable elevation in order to evaluate the HRIR efficacy for the saBCI. Three experienced and seven naive BCI users participated in the three experimental setups based on ten presented Japanese syllables. The obtained EEG auditory evoked potentials (AEP) resulted with encouragingly good and stable P300 responses in online BCI experiments. Our case study indicated that users could perceive elevation in the saBCI experiments generated using the HRIR measured from a general head model. The saBCI accuracy and information transfer rate (ITR) scores have been improved comparing to the classical horizontal plane-based virtual spatial sound reproduction modality, as far as the healthy users in the current pilot study are concerned.
description: 4 pages, 4 figures, accepted for EMBC 2015, IEEE copyright
Leggett Modes in Dirac Semimetals
Creators: name: Cuozzo, Joseph J.
name: Yu, Wenlong
name: Davids, Paul
name: Nenoff, Tina M.
name: Soh, Daniel B.
name: Pan, Wei
name: Rossi, Enrico
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In recent years experimentalists have been able to clearly show that several materials, such as MgB2, iron-based superconductors3, monolayer NbSe2, are multiband superconductors. Superconducting pairing in multiple bands can give rise to novel and very interesting phenomena. Leggett modes are exemplary of the unusual effects that can be present in multiband superconductors. A Leggett mode describes the collective periodic oscillation of the relative phase between the phases of the superconducting condensates formed by electrons in different bands. It can be thought of as the mode arising from an inter-band Josephson effect. The experimental observation of Leggett modes is challenging for several reasons: (i) Multiband superconductors are rare; (ii) they describe charge fluctuations between bands and therefore are hard to probe directly; (iii) their mass gap is often larger than the superconducting gaps and therefore are strongly overdamped via relaxation processes into the quasiparticle continuum. In this work we show that Leggett modes, and their frequency, can be detected unambigously in a.c. driven superconducting quantum interference devices (SQUIDs). We then use the results to analyze the measurements of a SQUID based on Cd3As2, an exemplar Dirac semimetal, in which superconductivity is induced by proximity to superconducting Al. The experimental results show the theoretically predicted unique signatures of Leggett modes and therefore allow us to conclude that a Leggett mode is present in the two-band superconducting state of Dirac semimetal (DSM) Cd3As2.
description: 13 pages, 8 figures
Thermodynamics of topological black holes in Brans-Dicke gravity with a power-law Maxwell field
Creators: name: Zangeneh, M. Kord
name: Dehghani, M. H.
name: Sheykhi, A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this paper, we present a new class of higher dimensional exact topological black hole solutions of the Brans-Dicke theory in the presence of a power-law Maxwell field as the matter source. For this aim, we introduce a conformal transformation which transforms the Einstein-dilaton-power-law Maxwell gravity Lagrangian to the Brans-Dicke-power-law Maxwell theory one. Then, by using this conformal transformation, we obtain the desired solutions. Next, we study the properties of the solutions and conditions under which we have black holes. Interestingly enough, we show that there is a cosmological horizon in the presence of a negative cosmological constant. Finally, we calculate the temperature and charge and then by calculating the Euclidean action, we obtain the mass, the entropy and the electromagnetic potential energy. We find that the entropy does not respect the area law, and also the conserved and thermodynamic quantities are invariant under conformal transformation. Using these thermodynamic and conserved quantities, we show that the first law of black hole thermodynamics is satisfied on the horizon.
description: 10 pages (two columns format), 10 figures, some references added, titles of references added
Analysis of the sources of german textbooks on work and organizational psychology
Creators: name: Homann, Marie
name: Maier, Günter
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Industrial and Organizational Psychology
subject: Social and Behavioral Sciences
subject: Psychology
subject: FOS: Psychology

description: The aim of this study is to examine the sources of german textbooks on work and organizational psychology. Textbooks are often the first contact with a discipline and the basis of the content that students are taught during their studies. That is why it is of particular interest to examine the sources of introductory textbooks. Aguinis et al. (2017) did this kind of analysis for english textbooks.
Shape optimization of phononic band gap structures using the homogenization approach
Creators: name: Vondřejc, Jaroslav
name: Rohan, Eduard
name: Heczko, Jan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Computational Physics (physics.comp-ph)
subject: Optimization and Control (math.OC)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The paper deals with optimization of the acoustic band gaps computed using the homogenized model of strongly heterogeneous elastic composite which is constituted by soft inclusions periodically distributed in stiff elastic matrix. We employ the homogenized model of such medium to compute intervals --- band gaps --- of the incident wave frequencies for which acoustic waves cannot propagate. It was demonstrated that the band gaps distribution can be influenced by changing the shape of inclusions. Therefore, we deal with the shape optimization problem to maximize low-frequency band gaps; their bounds are determined by analysing the effective mass tensor of the homogenized medium. Analytic transformation formulas are derived which describe dispersion effects of resizing the inclusions. The core of the problem lies in sensitivity of the eigenvalue problem associated with the microstructure. Computational sensitivity analysis is developed, which allows for efficient usage of the gradient based optimization methods. Numerical examples with 2D structures are reported to illustrate the effects of optimization with stiffness constraint. This study is aimed to develop modelling tools which can be used in optimal design of new acoustic devices for "smart systems".
Impact of the Digital Millennium Copyright Act on Piracy
Creators: name: Carr, Nicholas George
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2004
Subjects: Digital Millennium Copyright
File Sharing
Act Peer to Peer Networks

description: This study details a web based survey of students in the School of Information and Library Science at UNC Chapel Hill. The survey was conducted to determine whether or not the participants' knowledge of the terms in the Digital Millennium Copyright Act has an impact on their conformance to the act. The responses on the survey were analyzed statistically to search for any correlation between any of the variables. Additionally, a review of the prose responses given by the participants reveals trends in their conformity to the act, regardless of their knowledge of it.
Too much power or no power: when does intermediary's power result into better wine and happier farmers?
Creators: name: Xhoxhi, Orjon
name: Imami, Drini
name: Hanf, Jon
name: Gjokaj, Ekrem
name: Xhoxhi, Orjon
name: Imami, Drini
name: Hanf, Jon
name: Gjokaj, Ekrem
Publisher: name: Unknown
Year: 2022
Subjects: subject: Agribusiness
subject: power
subject: relationship performance
subject: vineyard value chain
subject: Western Balkan
subject: Kosovo

description: The study analyzes the trading relationship performance between farmers and intermediaries and the factors shaping it, with a focus on intermediary’s power, based on a structured survey of vineyard farmers in Kosovo. Confirmatory factor analysis is employed to develop measures for the study latent variables, and ordinary least squares regression is used to test the hypothesis. To further validate the results, machine learning (i.e. random forest) is used to model the factors affecting the relationship performance between farmer and intermediary. The results show that when the intermediary has considerable (excessive) power, it leads to low trading relationship performance with farmers. Also, when the intermediary has little power, the relationship performance with farmers behaves in a similar way. The main contribution of this paper is to further illuminate the debate on the role of power in business-to-business relationships, in that it points out an alternative explanation; stating that there is an optimal level zone that power needs to exist, in order to achieve above average trading relationship performance. Outside this zone, either low or excessive/high intermediary’s power results in poor relationship performance.