cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The wisdom of networks: A general adaptation and learning mechanism of complex systems: The network core triggers fast responses to known stimuli; innovations require the slow network periphery and are encoded by core-remodeling
Creators: name: Csermely, Peter
Publisher: name: arXiv
Year: 2015
Subjects: subject: Molecular Networks (q-bio.MN)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Social and Information Networks (cs.SI)
subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: I hypothesize that re-occurring prior experience of complex systems mobilizes a fast response, whose attractor is encoded by their strongly connected network core. In contrast, responses to novel stimuli are often slow and require the weakly connected network periphery. Upon repeated stimulus, peripheral network nodes remodel the network core that encodes the attractor of the new response. This "core-periphery learning" theory reviews and generalizes the heretofore fragmented knowledge on attractor formation by neural networks, periphery-driven innovation and a number of recent reports on the adaptation of protein, neuronal and social networks. The coreperiphery learning theory may increase our understanding of signaling, memory formation, information encoding and decision-making processes. Moreover, the power of network periphery-related 'wisdom of crowds' inventing creative, novel responses indicates that deliberative democracy is a slow yet efficient learning strategy developed as the success of a billion-year evolution.
description: The 2015 preliminary version can be downloaded as an earlier version of the final paper here. Please find illustrative videos here: http://networkdecisions.linkgroup.hu and a video abstract here: https://youtu.be/IIjP7zWGjVE
Preacher's Kids & Occupational Choice
Creators: name: Roberts, Jordyn
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2018

description: IntroductionOccupational choice is the process that leads to occupational engagement2. While this was previously thought to be formed by a person’s motivation, it has recently been understood as more complex because it has many contributing factors. “Preacher’s kids” (PKs) may experience limitations in occupational choice because they feel like they live in a “fishbowl”4and are under greater stress to live up to the expectations of their parents and the church congregation.Research Aim: This study aims to explore the impact that being a PK has on occupational choice.
Complex-Valued Gaussian Processes for Regression
Creators: name: Boloix-Tortosa, Rafael
name: Arias-de-Reyna, Eva
name: Payan-Somet, F. Javier
name: Murillo-Fuentes, Juan J.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: In this paper we propose a novel Bayesian solution for nonlinear regression in complex fields. Previous solutions for kernels methods usually assume a complexification approach, where the real-valued kernel is replaced by a complex-valued one. This approach is limited. Based on results in complex-valued linear theory and Gaussian random processes we show that a pseudo-kernel must be included. This is the starting point to develop the new complex-valued formulation for Gaussian process for regression (CGPR). We face the design of the covariance and pseudo-covariance based on a convolution approach and for several scenarios. Just in the particular case where the outputs are proper, the pseudo-kernel cancels. Also, the hyperparameters of the covariance {can be learnt} maximizing the marginal likelihood using Wirtinger's calculus and patterned complex-valued matrix derivatives. In the experiments included, we show how CGPR successfully solve systems where real and imaginary parts are correlated. Besides, we successfully solve the nonlinear channel equalization problem by developing a recursive solution with basis removal. We report remarkable improvements compared to previous solutions: a 2-4 dB reduction of the MSE with {just a quarter} of the training samples used by previous approaches.
description: 13 pages, 18 figures
PROTOCOLO DE REVISÃO RÁPIDA: Telessaúde, Telemedicina, aplicativos de celular e uso de mensagens de texto/SMS na melhora da alimentação em adultos
Creators: name: de Melo, Roberta
name: Luquine, Cézar
name: de Araujo, Bruna
name: de Moura Milhomens, Lais
name: da Silva, Letícia
name: de Bortoli, Maritsa
name: Toma, Tereza
name: Barreto, Jorge
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Diet, Healthy
subject: evidence-based policy
subject: evidence maps
subject: health promotion
subject: knowledge translation
subject: rapid review
subject: Telemedicine

description: Qual é a eficácia/efetividade e a segurança das intervenções oferecidas via telessaúde, telemedicina e de aplicativos de celular e uso de mensagens de texto/SMS para melhora da alimentação em adultos?
NMA-CN 2021 data sets: Neurons
Creators: name: 't Hart, Bernard
name: Blohm, Gunnar
name: Batty, Ella
name: Ash, Arash
name: Wyble, Brad
name: Chavlis, Spiros
name: Peters, Megan
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Computational Neuroscience
subject: Life Sciences
subject: Neuroscience and Neurobiology

description: This repository serves as a backup of some of the NMA-curated, neuronal activity data sets used in the NMA 2021 Computational Neuroscience summer school. https://doi.org/10.21105/jose.00118
Perinatal eating disorder symptoms, parenting stress, and infant feeding
Creators: name: Meltzer-Brody, Samantha E.
name: Wouk, Kathryn
name: Stuebe, Alison M.
name: Zerwas, Stephanie C.
name: Scott, Paris
name: Grewen, Karen M.
name: Sturza, Marisa
name: Frederickson, Barbara L.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Introduction: We sought to quantify associations between postpartum eating disorder symptoms, maternal mood, parenting, and infant feeding.Study Design: We analyzed participants in an ongoing longitudinal study of women intending to breastfeed. At baseline all participants underwent a Structured Clinical Interview (SCID) to determine history of anorexia, bulimia, or binge eating disorder (EDHx). At 2 months postpartum, we quantified current symptoms using the Eating Disorder Examination Questionnaire (EDE-Q4). We measured outcomes using the Beck Depression Inventory (BDI), the Edinburgh Postnatal Depression Scale (EPDS), the Parenting Stress Index – Short Form, the Breastfeeding Self-Efficacy Scale, and the modified Differential Emotions Scale (mDES). We used multivariable linear regression to model associations between outcomes and EDE-Q4, EDHx and interactions between EDHx and EDE-Q4.Results: Of the 62 women, 1 had a SCID-verified current eating disorder and 8 had an EDHx. At 2 months postpartum, women with EDHx were more likely to meet clinical thresholds for depression indexed by BDI ≥ 17 (33 vs. 6%, Fisher’s exact p=.03). Adjusting for EDHx, higher EDE-Q4 score was associated with higher BDI (R2 = .45, main effect p<.0001) and reduced breastfeeding self-efficacy (R2=.10, main effect p=.02). EDHx moderated other associations: among women without EDHx, higher EDE-Q4 score was associated with higher EPDS score (R2= .27, interaction p.<05), greater parenting stress (R2=.26, interaction p =.06) and more negative emotions during feeding (R2=.32, interaction p=.03).Conclusion: Maternal eating disorder symptoms were associated with depression symptoms, parenting stress, and negative breastfeeding outcomes. Parenting support may improve outcomes for mothers with disordered eating symptoms.
Additional file 1 of Prostatic lineage differentiation from human embryonic stem cells through inducible expression of NKX3-1
Creators: name: Wang, Songwei
name: Yu, Yangyang
name: Li, Yinglei
name: Zhang, Tianzhe
name: Jiang, Wei
name: Wang, Xinghuan
name: Liu, Ran
Publisher: name: figshare
Year: 2024
Subjects: subject: Space Science
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: Hematology
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Supplementary Material 1
Inferring Planetary Obliquity Using Rotational & Orbital Photometry
Creators: name: Schwartz, Joel C.
name: Sekowski, Clara
name: Haggard, Hal M.
name: Pallé, Eric
name: Cowan, Nicolas B.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The obliquity of a terrestrial planet is an important clue about its formation and critical to its climate. Previous studies using simulated photometry of Earth show that continuous observations over most of a planet's orbit can be inverted to infer obliquity. However, few studies of more general planets with arbitrary albedo markings have been made and, in particular, a simple theoretical understanding of why it is possible to extract obliquity from light curves is missing. Reflected light seen by a distant observer is the product of a planet's albedo map, its host star's illumination, and the visibility of different regions. It is useful to treat the product of illumination and visibility as the kernel of a convolution. Time-resolved photometry constrains both the albedo map and the kernel, the latter of which sweeps over the planet due to rotational and orbital motion. The kernel's movement distinguishes prograde from retrograde rotation for planets with non-zero obliquity on inclined orbits. We demonstrate that the kernel's longitudinal width and mean latitude are distinct functions of obliquity and axial orientation. Notably, we find that a planet's spin axis affects the kernel -- and hence time-resolved photometry -- even if this planet is East-West uniform or spinning rapidly, or if it is North-South uniform. We find that perfect knowledge of the kernel at 2-4 orbital phases is usually sufficient to uniquely determine a planet's spin axis. Surprisingly, we predict that East-West albedo contrast is more useful for constraining obliquity than North-South contrast.
description: 13 pages, 10 figures; Published in MNRAS 03/21/16. Fixed minor typos in the appendix. Related code "ReflectDirect" available on GitHub at https://github.com/joelcolinschwartz/ReflectDirect under the MIT License
title: Let's face it! Young people tell us how it is
Creators: name: Watson, Deirdre
Publisher: name: Strathprints - University of Strathclyde
Year: 2004

description: In 2003, Who Cares? Scotland marked its 25th year by carrying out a major consultation with young people who are currently experiencing care in Scotland. Even with recent developments (the setting up of the Care Commission, the Scottish Social Services Council and the Scottish Institute for Residential Child Care and the creation of national care standards), young people continue to report negative care experiences. It is disappointing that young people raised serious concerns in relation to many fundamental aspects of their care. The report Lets Face It! (Who Cares? Scotland, 2003) highlights a number of serious issues, such as: the lack of emotional support for young people; the need for concentrated efforts to tackle bullying; the lack of meaningful inclusion in decision making about their lives; the importance of continuing contact with family and friends; inappropriate and harsh parenting by substitute carers; and a lack of certainty about future support when they leave the care setting. These issues are not new and have been documented in a number of previous reports (Fletcher, 1993; Friday, 1998; Shaw, 1998; Who Cares? Scotland, 1997). This report highlights, however, the continuing need to address the issues raised by young people in care.
Symplectic homology and the Eilenberg-Steenrod axioms
Creators: name: Cieliebak, Kai
name: Oancea, Alexandru
Publisher: name: arXiv
Year: 2015
Subjects: subject: Symplectic Geometry (math.SG)
subject: Algebraic Topology (math.AT)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53D40, 55N40, 57R17, 57R90

description: We give a definition of symplectic homology for pairs of filled Liouville cobordisms, and show that it satisfies analogues of the Eilenberg-Steenrod axioms except for the dimension axiom. The resulting long exact sequence of a pair generalizes various earlier long exact sequences such as the handle attaching sequence, the Legendrian duality sequence, and the exact sequence relating symplectic homology and Rabinowitz Floer homology. New consequences of this framework include a Mayer-Vietoris exact sequence for symplectic homology, invariance of Rabinowitz Floer homology under subcritical handle attachment, and a new product on Rabinowitz Floer homology unifying the pair-of-pants product on symplectic homology with a secondary coproduct on positive symplectic homology. In the appendix, joint with Peter Albers, we discuss obstructions to the existence of certain Liouville cobordisms.
description: v3: corrected Lemma 7.11. Various other minor modifications and reformatting. Final version to be published in Algebraic and Geometric Topology
Updated analytic plan for: Social anxiety and affiliative adjustment during the COVID-19 pandemic
Creators: name: Ho, Jolie Tsoi Kan
name: Browne, Dillon
name: Moscovitch, David
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Clinical Psychology
subject: Social Psychology
subject: Social and Behavioral Sciences
subject: Psychology
subject: FOS: Psychology
subject: affiliation
subject: affiliative adjustment
subject: COVID-19
subject: emotion regulation
subject: fears of negative evaluation
subject: follow-up
subject: interpersonal
subject: isolation
subject: loneliness
subject: longitudinal
subject: pandemic
subject: safety behaviours
subject: social anxiety

description: This registration includes updates to our analytic plan for a pre-registered study. Please refer to the original study pre-registration for details regarding hypotheses, design, sampling, and measured variables: Ho, J.T.K., & Moscovitch, D. A. (2021, June 19). Social anxiety and affiliative adjustment during the COVID-19 pandemic. https://doi.org/10.17605/OSF.IO/RKSY5
Preparing MSW students for Integrated Behavioral Healthcare through Interprofessional Education: Lessons Learned
Creators: name: Zerden, Lisa de Saxe
name: Adams, Rayhaan
name: Zomorodi, Meg
name: Jones, Anne
name: Prentice, Amy
name: Dews, Denisé
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Lessons learned from one school’s efforts to incorporate interprofessional courses, workshops, and field placement opportunities for MSW and allied-health graduate students will be addressed. Due to recent Health Resources and Services Administration funding and the implementation of the Affordable Care Act, interprofessional education models are paramount as social workers navigate a new health-care context.
Quantum no-go theorems in causality respecting systems in presence of closed timelike curves: Tweaking the Deutsch condition
Creators: name: Kumar, Asutosh
name: Chakrabarty, Indranil
name: Pati, Arun Kumar
name: De, Aditi Sen
name: Sen, Ujjwal
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider causality respecting (CR) quantum systems interacting with closed timelike curves (CTCs), within the Deutsch model. We introduce the concepts of popping up and elimination of quantum information and use them to show that no-cloning and no-deleting, which are true in CR quantum systems, are no more valid in the same that are interacting with CTCs. We also find limits on the possibility of creation of entanglement between a CR system and a CTC, and the same between two CR systems in the presence of a CTC. We prove that teleportation of quantum information, even in its approximate version, from a CR region to a CTC is disallowed. Interestingly, we find that tweaking the Deutsch model, by allowing the input and output to be not the same, leads to a nontrivial approximate teleportation beyond the classical limit.
description: 8 pages, 1 figure, change in presentation, v2, RevTeX4
Bell inequalities with three ternary-outcome measurements - from theory to experiments (PLUS A CORRIGENDUM)
Creators: name: Schwarz, Sacha
name: Bessire, Bänz
name: Stefanov, André
name: Liang, Yeong-Cherng
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We explore quantum nonlocality in one of the simplest bipartite scenarios. Several new facet-defining Bell inequalities for the {[3 3 3] [3 3 3]} scenario are obtained with their quantum violations analyzed in details. Surprisingly, all these inequalities involving only genuine ternary-outcome measurements can be violated maximally by some two-qubit entangled states, such as the maximally entangled two-qubit state. This gives further evidence that in analyzing the quantum violation of Bell inequalities, or in the application of the latter to device-independent quantum information processing tasks, the commonly-held wisdom of equating the local Hilbert space dimension of the optimal state with the number of measurement outcomes is not necessarily justifiable. In addition, when restricted to the minimal qubit subspace, it can be shown that one of these Bell inequalities requires non-projective measurements to attain maximal quantum violation, thereby giving the first example of a facet-defining Bell inequality where a genuine positive-operator-valued measure is relevant. We experimentally demonstrate the quantum violation of this and two other Bell inequalities for this scenario using energy-time entangled photon pairs. Using the obtained measurement statistics, we demonstrate how characterization of the underlying resource in the spirit of device-independence, but supplemented with auxiliary assumptions, can be achieved. In particular, we discuss how one may get around the fact that, due to finite-size effects, raw measurement statistics typically violate the non-signaling condition.
description: 16 pages, 2 tables and 6 figures for the main article; 1 page for the corrigendum
Additional file 1 of Determinants of smallholder membership in farmers’ groups in the pigeon pea-based farming system in Uganda
Creators: name: Namuyiga, Dorothy Birungi
name: Stellmacher, Till
name: Borgemeister, Christian
Publisher: name: figshare
Year: 2024
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy

description: Additional file 1.
A few remarks on the tube algebra of a monoidal category
Creators: name: Neshveyev, Sergey
name: Yamashita, Makoto
Publisher: name: arXiv
Year: 2015
Subjects: subject: Operator Algebras (math.OA)
subject: Category Theory (math.CT)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: Primary: 81R15, Secondary: 18D10, 46L89

description: We prove two results on the tube algebras of rigid C$^*$-tensor categories. The first is that the tube algebra of the representation category of a compact quantum group $G$ is a full corner of the Drinfeld double of $G$. As an application we obtain some information on the structure of the tube algebras of the Temperley-Lieb categories $TL(d)$ for $d>2$. The second result is that the tube algebras of weakly Morita equivalent C$^*$-tensor categories are strongly Morita equivalent. The corresponding linking algebra is described as the tube algebra of the $2$-category defining the Morita context.
description: 17 pages; v4: minor changes and change of section numbering to the published version, to appear in Proc. Edinb. Math. Soc.; v3: description of the topology on the primitive spectrum of the tube algebra of a Temperley-Lieb category (d>2), a few remarks and minor fixes; v2: rewritten last section
Bipartite algebraic graphs without quadrilaterals
Creators: name: Bukh, Boris
name: Jiang, Zilin
Publisher: name: arXiv
Year: 2015
Subjects: subject: Combinatorics (math.CO)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 05C25, 05C35, 05C75, 14E07, 14H50, 14N25, 14R10

description: Let $\mathbb{P}^s$ be the $s$-dimensional complex projective space, and let $X, Y$ be two non-empty open subsets of $\mathbb{P}^s$ in the Zariski topology. A hypersurface $H$ in $\mathbb{P}^s\times\mathbb{P}^s$ induces a bipartite graph $G$ as follows: the partite sets of $G$ are $X$ and $Y$, and the edge set is defined by $\overline{u}\sim\overline{v}$ if and only if $(\overline{u},\overline{v})\in H$. Motivated by the Turán problem for bipartite graphs, we say that $H\cap (X\times Y)$ is $(s,t)$-grid-free provided that $G$ contains no complete bipartite subgraph that has $s$ vertices in $X$ and $t$ vertices in $Y$. We conjecture that every $(s,t)$-grid-free hypersurface is equivalent, in a suitable sense, to a hypersurface whose degree in $\overline{y}$ is bounded by a constant $d = d(s,t)$, and we discuss possible notions of the equivalence. We establish the result that if $H\cap(X\times \mathbb{P}^2)$ is $(2,2)$-grid-free, then there exists $F\in \mathbb{C}[\overline{x},\overline{y}]$ of degree $\le 2$ in $\overline{y}$ such that $H\cap(X\times \mathbb{P}^2) = \{F = 0\}\cap (X\times \mathbb{P}^2)$. Finally, we transfer the result to algebraically closed fields of large characteristic.
description: 13 pages, accepted to Discrete Math., corrections suggested by the referees have been incorporated
Quantum theory from questions
Creators: name: Hoehn, Philipp A
name: Wever, Christopher
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: We reconstruct the explicit formalism of qubit quantum theory from elementary rules on an observer's information acquisition. Our approach is purely operational: we consider an observer O interrogating a system S with binary questions and define S's state as O's `catalogue of knowledge' about S. From the rules we derive the state spaces for N elementary systems and show that (a) they coincide with the set of density matrices over an N-qubit Hilbert space; (b) states evolve unitarily under the group $\rm{PSU}(2^N)$ according to the von Neumann evolution equation; and (c) O's binary questions correspond to projective Pauli operator measurements with outcome probabilities given by the Born rule. As a by-product, this results in a propositional formulation of quantum theory. Aside from offering an informational explanation for the theory's architecture, the reconstruction also unravels new structural insights. We show that, in a derived quadratic information measure, (d) qubits satisfy inequalities which bound the information content in any set of mutually complementary questions to 1 bit; and (e) maximal sets of mutually complementary questions for one and two qubits must carry precisely 1 bit of information in pure states. The latter relations constitute conserved informational charges which define the unitary groups and, together with their conservation conditions, the sets of pure quantum states. These results highlight information as a `charge of quantum theory' and the benefits of this informational approach. This work emphasizes the sufficiency of restricting to an observer's information to reconstruct the theory and completes the quantum reconstruction initiated in arXiv:1412.8323.
description: 34 pages + 33 pages appendix, many figures. Minor corrections compared to published version: e.g., in def. of composite system and in technical formulation of principles 1,2,4 to coincide with published part 1 of reconstruction (arXiv:1412.8323), funding update -- rest (and results) unchanged!
Holographic Schwinger Effect in a D-Instanton Background
Creators: name: Shahkarami, Leila
name: Dehghani, Majid
name: Dehghani, Parvin
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The Schwinger effect in the presence of instantons is considered in this paper. Using AdS/CFT correspondence in the near horizon limit of the D3+D($-1$)-brane background, we calculate the total potential of a quark-antiquark pair in an external electric field. It is shown that instantons tend to suppress the pair creation effect and increase the critical electric field above which the pairs are produced freely without any suppression. Interestingly, no other critical electric field, common for all confining field theories, is observed here at finite temperature. However, as expected we find such a critical electric field at zero temperature. The pair production rate evaluated by the calculation of the expectation value of the circular Wilson loop also confirms this result.
description: changes are made to the text, calculations and discussions,11 pages
Additional file 1 of Assessment of fluid responsiveness using pulse pressure variation, stroke volume variation, plethysmographic variability index, central venous pressure, and inferior vena cava variation in patients undergoing mechanical ventilation: a systematic review and meta-analysis
Creators: name: Chaves, Renato Carneiro de Freitas
name: Barbas, Carmen Silvia Valente
name: Queiroz, Veronica Neves Fialho
name: Serpa Neto, Ary
name: Deliberato, Rodrigo Octavio
name: Pereira, Adriano José
name: Timenetsky, Karina Tavares
name: Silva Júnior, João Manoel
name: Takaoka, Flávio
name: de Backer, Daniel
name: Celi, Leo Anthony
name: Corrêa, Thiago Domingos
Publisher: name: figshare
Year: 2024
Subjects: Medicine
Biological Sciences not elsewhere classified
Science Policy

description: Additional file 1
On the robustness of potential-based flow networks
Creators: name: Klimm, Max
name: Pfetsch, Marc E.
name: Raber, Rico
name: Skutella, Martin
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 510 Mathematik
subject: potential-based network flows
subject: robustness
subject: node-labeled graph minors

description: Potential-based flows provide a simple yet realistic mathematical model of transport in many real-world infrastructure networks such as, e.g., gas or water networks, where the flow along each edge depends on the difference of the potentials at its end nodes. We call a network topology robust if the maximal node potential needed to satisfy a set of demands never increases when demands are decreased. This notion of robustness is motivated by infrastructure networks where users first make reservations for certain demands that may be larger than the actual flows sent later on. In these networks, node potentials correspond to physical quantities such as pressures or hydraulic heads and must be guaranteed to lie within a fixed range, even if the actual amounts are smaller than the previously reserved demands. Our main results are a precise characterization of robust network topologies for the case of point-to-point demands via forbidden node-labeled graph minors, as well as an efficient algorithm for testing robustness.
The sensorimotor loop as a dynamical system: How regular motion primitives may emerge from self-organized limit cycles
Creators: name: Sándor, Bulcsú
name: Jahn, Tim
name: Martin, Laura
name: Gros, Claudius
Publisher: name: arXiv
Year: 2015
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Robotics (cs.RO)
subject: FOS: Biological sciences
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: We investigate the sensorimotor loop of simple robots simulated within the LPZRobots environment from the point of view of dynamical systems theory. For a robot with a cylindrical shaped body and an actuator controlled by a single proprioceptual neuron we find various types of periodic motions in terms of stable limit cycles. These are self-organized in the sense, that the dynamics of the actuator kicks in only, for a certain range of parameters, when the barrel is already rolling, stopping otherwise. The stability of the resulting rolling motions terminates generally, as a function of the control parameters, at points where fold bifurcations of limit cycles occur. We find that several branches of motion types exist for the same parameters, in terms of the relative frequencies of the barrel and of the actuator, having each their respective basins of attractions in terms of initial conditions. For low drivings stable limit cycles describing periodic and drifting back-and-forth motions are found additionally. These modes allow to generate symmetry breaking explorative behavior purely by the timing of an otherwise neutral signal with respect to the cyclic back-and-forth motion of the robot.
Decay rates for stabilization of linear continuous-time systems with random switching
Creators: name: Colonius, Fritz
name: Mazanti, Guilherme
Publisher: name: arXiv
Year: 2015
Subjects: subject: Dynamical Systems (math.DS)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: 93C30, 93D15, 37H15

description: For a class of linear switched systems in continuous time a controllability condition implies that state feedbacks allow to achieve almost sure stabilization with arbitrary exponential decay rates. This is based on the Multiplicative Ergodic Theorem applied to an associated system in discrete time. This result is related to the stabilizability problem for linear persistently excited systems.
Evaluation of the Intel Xeon Phi 7120 and NVIDIA K80 as accelerators for two-dimensional panel codes
Creators: name: Einkemmer, Lukas
Publisher: name: arXiv
Year: 2015
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Mathematical Software (cs.MS)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: To optimize the geometry of airfoils for a specific application is an important engineering problem. In this context genetic algorithms have enjoyed some success as they are able to explore the search space without getting stuck in local optima. However, these algorithms require the computation of aerodynamic properties for a significant number of airfoil geometries. Consequently, for low-speed aerodynamics, panel methods are most often used as the inner solver. In this paper we evaluate the performance of such an optimization algorithm on modern accelerators (more specifically, the Intel Xeon Phi 7120 and the NVIDIA K80). For that purpose, we have implemented an optimized version of the algorithm on the CPU and Xeon Phi (based on OpenMP, vectorization, and the Intel MKL library) and on the GPU (based on CUDA and the MAGMA library). We present timing results for all codes and discuss the similarities and differences between the three implementations. Overall, we observe a speedup of approximately $2.5$ for adding an Intel Xeon Phi 7120 to a dual socket workstation and a speedup between $3.4$ and $3.8$ for adding a NVIDIA K80 to a dual socket workstation.
Optimization of Cogeneration Power-Desalination Plants
Creators: name: Pietrasanta, Ariana M.
name: Mussati, Sergio F.
name: Aguirre, Pio A.
name: Morosuk, Tatiana
name: Mussati, Miguel C.
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
subject: combined-cycle heat and power plant
subject: multi-effect distillation
subject: desalination
subject: muti-stage flash desalination
subject: MINLP
subject: optimization

description: The design of new dual-purpose thermal desalination plants is a combinatory problem because the optimal process configuration strongly depends on the desired targets of electricity and freshwater. This paper proposes a mathematical model for selecting the optimal structure, the operating conditions, and sizes of all system components of dual-purpose thermal desalination plants. Electricity is supposed to be generated by a combined-cycle heat and power plant (CCHPP) with the following candidate structures: (a) one or two gas turbines; (b) one or two additional burners in the heat recovery steam generator; (c) the presence or missing a medium-pressure steam turbine; (d) steam generation and reheating at low pressure. Freshwater is supposed to be obtained from two candidate thermal processes: and (e) a multi-effect distillation (MED) or a multi-stage flash (MSF) system. The number of effects in MED and stages in MSF are also discrete decisions. Different case studies are presented to show the applicability of the model for same cost data. The proposed model is a powerful tool in optimizing new plants (or plants under modernization) and/or improving existing plants for desired electricity generation and freshwater production. No articles addressing the optimization involving the discrete decisions mentioned above are found in the literature.
Habitat characteristics of nesting areas and of predated nests in a Mediterranean population of the European pond turtle, Emys orbicularis galloitalica
Creators: name: Zuffi, Marco A.L.
name: Rovina, Laura
Publisher: name: Acta Herpetologica
Year: 2006

description: one of the largest population of Emys orbicularis galloitalica of central Italy inhabits the canal system wet areas within a natural protected park. Features of nesting habitats, nest structure, and predation patterns of 209 nests of a large population of the European pond turtle are here presented and analysed. Nest sites were characterised by sunny bushy areas in strip habitat, digged along north-south oriented canals, on average with about 26% of the area covered by vegetation, less than one meter distant from 30 cm height bushes, at about 11 m from water and at about 13 m distance from wooded areas, 28 m away from a road. Principal Component and discriminant analyses were used on 20 selected variables in order to reduce the number of physical variables, and indicate that canal border, strip habitat, and canal orientation are grouping variables, that correctly classified 41.6%, 66.5%, and 100 % respectively of nest presence.
description: Acta Herpetologica, Vol 1 No 1 (2006)
Hold it right there! An Ecological examination of the Approach-Aversion Effect in Virtual Reality
Creators: name: Nuel, Ivane
name: Alexopoulos, Theodore
name: Fayant, Marie-Pierre
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Social and Behavioral Sciences

description: During social interactions, the enactment of approach toward interaction partners produces positive evaluations of them. As social interactions unfold as a dyadic sequence, embedded in a physical and social environment, the positive effect of approach behaviours on evaluation may not tell us the whole story. In this paper, we consider the often neglected perspective of the one who is approached. We argue that being approached is, ironically, threatening and leads to more negative interpersonal evaluations: the approach-aversion effect. Although previous research brings initial evidence of this approach-aversion effect, it leaves some questions unanswered relative to the operating conditions and the generalisation of such an effect. To fill this gap, we rely on Virtual Reality and provide a powerful and highly ecological test of the approach-aversion effect in the context of social interactions. Across three well-powered preregistered experiments (NTotal = 450), participants gave their impression about approaching and static virtual individuals. We manipulated the threatening nature of approaching individuals via the features of the targets (emotional facial expressions in Experiment 1 and group membership in Experiment 2), as well as the agency of the targets’ movements (Experiment 3). The results confirm that being approached is threatening by showing a general approach-aversion effect. This effect is less pronounced when the self, as compared to the target, initiates the movement. These findings emphasise the importance of considering the interactional aspects of the social situation as a whole in the study of human approach-avoidance behaviours.
Morphometric differences between extant and extinct Italian populations of the adder, Vipera berus (Linnaeus, 1758)
Creators: name: Gentilli, Augusto
name: Scali, Stefano
name: Sacchi, Roberto
Publisher: name: Acta Herpetologica
Year: 2006

description: Vipera berus (Linnaeus, 1758) is the terrestrial snake showing the widest distribution in the world, occuring from Great Britain, France and Northern Italy to the Sakhalin Island and North Korea (Nilson, 1980; Saint Girons, 1980; Nilson et al., 1994; Nilson & Andrén, 1997a). However, adders do not occur uniformly over their distribution area, but are scattered in several isolated populations (Nilson & Andrén, 1997a). Frequently, ecological traits of borderline and isolated populations differ from those living in the core area of the distribution range of the species, and might be subjected to higher risks of stochastic extinction and higher differentiation rates (Mayr, 1970). For example, meadow vipers (Vipera ursinii) show a highly fragmented distribution, many of isolated groups being different subspecies (Nilson & Andrén, 1997b, 2001).
description: Acta Herpetologica, Vol 1 No 1 (2006)
Decomposition of a Cooling Plant for Energy Efficiency Optimization Using OptTopo
Creators: name: Thiele, Gregor
name: Johanni, Theresa
name: Sommer, David
name: Krüger, Jörg
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
subject: optimization
subject: energy efficiency
subject: decomposition
subject: system of systems
subject: OptTopo

description: The operation of industrial supply technology is a broad field for optimization. Industrial cooling plants are often (a) composed of several components, (b) linked using network technology, (c) physically interconnected, and (d) complex regarding the effect of set-points and operating points in every entity. This leads to the possibility of overall optimization. An example containing a cooling tower, water circulations, and chillers entails a non-linear optimization problem with five dimensions. The decomposition of such a system allows the modeling of separate subsystems which can be structured according to the physical topology. An established method for energy performance indicators (EnPI) helps to formulate an optimization problem in a coherent way. The novel optimization algorithm OptTopo strives for efficient set-points by traversing a graph representation of the overall system. The advantages are (a) the ability to combine models of several types (e.g., neural networks and polynomials) and (b) an constant runtime independent from the number of operation points requested because new optimization needs just to be performed in case of plant model changes. An experimental implementation of the algorithm is validated using a simscape simulation. For a batch of five requests, OptTopo needs 61min while the solvers Cobyla, SDPEN, and COUENNE need 0.3 min, 1.4 min, and 3.1 min, respectively. OptTopo achieves an efficiency improvement similar to that of established solvers. This paper demonstrates the general feasibility of the concept and fortifies further improvements to reduce computing time.
Gait Initiation Impairment in Patients with Parkinson’s Disease and Freezing of Gait
Creators: name: Palmisano, Chiara
name: Beccaria, Laura
name: Haufe, Stefan
name: Volkmann, Jens
name: Pezzoli, Gianni
name: Isaias, Ioannis U.
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 570 Biowissenschaften; Biologie
subject: freezing of gait
subject: gait initiation
subject: Parkinson’s disease
subject: posture
subject: segmental centers of mass
subject: anthropometric measurement
subject: base of support

description: Freezing of gait (FOG) is a sudden episodic inability to produce effective stepping despite the intention to walk. It typically occurs during gait initiation (GI) or modulation and may lead to falls. We studied the anticipatory postural adjustments (imbalance, unloading, and stepping phase) at GI in 23 patients with Parkinson’s disease (PD) and FOG (PDF), 20 patients with PD and no previous history of FOG (PDNF), and 23 healthy controls (HCs). Patients performed the task when off dopaminergic medications. The center of pressure (CoP) displacement and velocity during imbalance showed significant impairment in both PDNF and PDF, more prominent in the latter patients. Several measurements were specifically impaired in PDF patients, especially the CoP displacement along the anteroposterior axis during unloading. The pattern of segmental center of mass (SCoM) movements did not show differences between groups. The standing postural profile preceding GI did not correlate with outcome measurements. We have shown impaired motor programming at GI in Parkinsonian patients. The more prominent deterioration of unloading in PDF patients might suggest impaired processing and integration of somatosensory information subserving GI. The unaltered temporal movement sequencing of SCoM might indicate some compensatory cerebellar mechanisms triggering time-locked models of body mechanics in PD.
Heterogeneity of European farmers’ risk preferences: a meta-analysis
Creators: name: Garcia, Viviana
name: McCallum, Chloe
name: Finger, Robert
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Agricultural Economics
subject: Agriculture
subject: Life Sciences
subject: Behavioral Economics
subject: Economics
subject: Agricultural and Resource Economics
subject: Social and Behavioral Sciences
subject: Agriculture
subject: Europe
subject: Meta-analysis
subject: Risk perceptions
subject: Risk preferences

description: Risk preferences are relevant for farmers’ decision-making (e.g., adoption of technologies and practices, crop selection, diversification, crop insurances). Although there is a rich literature on farmers’ risk preferences (e.g., Iyer et al., 2020), we lack systematic assessments as most of the surveys conducted are often i) cross-sectional ii) based on small samples or convenience groups, and iii) apply different elicitation methods. These aspects raise concerns regarding sampling noise, external validity, and the possibility to compare risk preferences across settings. For this reason, we aim at constructing a comprehensive dataset of farmers’ preferences to obtain generalizable results about its distribution and main correlates (i.e., determinants and outcomes), through an Individual Participant Data meta-analysis. We focus on the risk preferences of European farmers, building upon the work of Iyer et al. (2020) who conducted a systematic review. We expand this work in several directions: i) we increase the timeframe of studies included, ii) we identify the correlates of risk preferences, and iii) we conduct an Individual Participant Data meta-analysis, i.e., not only describe outcomes of individual studies but use the original underlying data that allows us to discuss distributional aspects of risk preferences systematically. Altogether, this analysis will allow us to address current questions in the literature regarding differences in farmers’ risk preferences and comparability across countries, agricultural activities, and farmers’ attributes. Method: The method is envisioned as a five-step procedure: i) A systematic review of peer-reviewed literature, i) followed by data extraction, iii) identification of suitable datasets, iv) harmonization and finally, v) a meta-analysis. The first step will rely on a search in different bibliographic databases, i.e., Scopus, Web of Science and Wiley Online Database. Keywords: Meta-analysis, Individual Participant Data (IPD), Risk preferences, Europe
Nuove segnalazioni di Zootoca vivipara Jaquin e di Vipera berus Linnaeus, in Piemonte, Italia nord-occidentale (Novitates Herpetologicae Pedemontanae II)
Creators: name: Ghielmi, Samuele
name: Bergò, Paolo Eusebio
name: Andreone, Franco
Publisher: name: Acta Herpetologica
Year: 2006

description: Vengono forniti nuovi dati distributivi di Zootoca vivipara e di Vipera berus in Piemonte (Italia nordoccidentale). La prima viene segnalata nelle valli Bognanco (VB), Sessera (BI), Mastallone (VC), Rimella (VC) e Strona (VB). Il Marasso viene invece segnalato per le valli Sorba (VC) e Strona (VB). I nuovi dati distributivi vengono commentati brevemente.
description: Acta Herpetologica, Vol 1 No 1 (2006)
Linear Diophantine Fuzzy Rough Sets on Paired Universes with Multi Stage Decision Analysis
Creators: name: Ayub, Saba
name: Shabir, Muhammad
name: Riaz, Muhammad
name: Karaaslan, Faruk
name: Marinkovic, Dragan
name: Vranjes, Djordje
Publisher: name: Technische Universität Berlin
Year: 2022
Subjects: subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
subject: fuzzy set
subject: linear Diophantine fuzzy sets
subject: linear Diophantine fuzzy relations
subject: level cut relations
subject: rough approximations on two universes
subject: decision analysis

description: Rough set (RS) and fuzzy set (FS) theories were developed to account for ambiguity in the data processing. The most persuasive and modernist abstraction of an FS is the linear Diophantine FS (LD-FS). This paper introduces a resilient hybrid linear Diophantine fuzzy RS model (LDF-RS) on paired universes based on a linear Diophantine fuzzy relation (LDF-R). This is a typical method of fuzzy RS (F-RS) and bipolar FRS (BF-RS) on two universes that are more appropriate and customizable. By using an LDF-level cut relation, the notions of lower approximation (L-A) and upper approximation (U-A) are defined. While this is going on, certain fundamental structural aspects of LD-FAs are thoroughly investigated, with some instances to back them up. This cutting-edge LDF-RS technique is crucial from both a theoretical and practical perspective in the field of medical assessment.
Inducing Strong Non-Linearities in a Phonon Trapping Quartz Bulk Acoustic Wave Resonator Coupled to a Superconducting Quantum Interference Device
Creators: name: Goryachev, Maxim
name: Ivanov, Eugene N.
name: Galliou, Serge
name: Tobar, Michael E.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A quartz Bulk Acoustic Wave resonator is designed to coherently trap phonons in a way that they are well confined and immune to suspension losses so they exhibit extremely high acoustic $Q$-factors at low temperature, with $Q\times f$ products of order $10^{18}$ Hz. In this work we couple such a resonator to a SQUID amplifier and investigate effects in the strong signal regime. Both parallel and series connection topologies of the system are investigated. The study reveals significant non-Duffing response that is associated with the nonlinear characteristics of Josephson junctions. The nonlinearity provides quasi-periodic structure of the spectrum in both incident power and frequency. The result gives an insight into the open loop behaviour of a future Cryogenic Quartz Oscillator in the strong signal regime.
A new finding of Uroplatus alluaudi in north-eastern Madagascar widens considerably its distribution range (Reptilia, Gekkonidae)
Creators: name: Andreone, Franco
name: Aprea, Gennaro
Publisher: name: Acta Herpetologica
Year: 2007

description: The presence of Uroplatus alluaudi in NE Madagascar (Besariaka Forest) is here reported. This record enlarges considerably the species’ distribution range, up to now restricted to Montagne d’Ambre. The new specimen fits totally in morphology, colouration and body scalation with specimens from the type locality. Considerations are also provided on its conservation at the light of the updated distribution.
description: Acta Herpetologica, Vol 1 No 2 (2006)