cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Giant magnetoresistance and magnetic properties of ferromagnetic hybrid nanostructures
Creators: name: Rizal, Conrad
Publisher: name: University of British Columbia
Year: 2012

description: Significant advances in the growth, measurement, and characterization methods in the field of nanoengineering have made Co-based magnetic hybrid (ferromagnetic and non-magnetic) nanostructures increasingly important for the development of giant magnetoresistance (GMR) sensors and high magnetic-moment biocompatible nanoparticles for use in the future magnetic technology. This thesis presents the growth, measurement, and characterization of magnetic hybrid nanostructures (multilayers, alloys, and nanoparticles) that exhibit interesting magnetoresistance (MR) and magnetic properties, which are significant in the development of state-of-the-art magnetic technology for use in the electronics and biomedical sectors. Firstly, Co/Au multilayers have been grown on glass substrates using e-beam evaporation, and then Co/Ag and Co/Cu multilayers have been grown on polyimide substrates using pulsed-current deposition. All of these multilayers exhibited the GMR effect at room temperature. The maximum MR for Co/Au, Co/Ag, and Co/Cu multilayers was 2.1 %, 9.1 %, and 4.1 %, respectively. The e-beam evaporated multilayers exhibited strong magnetic anisotropy when the films were deposited at the angle of 45 degrees. The electrodeposited multilayers exhibited strong magnetic anisotropy when strain was introduced externally. In both the cases, the GMR is strongly influenced by the ferromagnetic and nonmagnetic layer thicknesses and interfacial states between layers. Secondly, novel nanocomposites Co nanoparticles embedded in Au matrix have been developed using pulsed-current deposition on polyimide substrates. They exhibited interesting MR, grain size, and saturation magnetization characteristics. The maximum room temperature GMR found was 4.6 %. X-ray diffraction, magnetization, and low temperature measurements suggest that a smaller grain size formed during higher current density correlates with the larger MR values for these nanocomposites. Thirdly, high-magnetic-moment biocompatible FeCo nanostructures have been developed using pulsed-current deposition. The nanostructures exhibited saturation magnetization of up to 240 emu/g, which is much larger than the saturation magnetization of either Co or Fe. The less expensive and highly sensitive GMR sensors if coated with specific probes, and if the target biomolecules are labelled with high-moment biocompatible nanoparticles presented in this thesis, the GMR sensors have potential for use in improving the early detection and treatment of chronic diseases (e.g., prostate and lung cancer) using biomagnetic technology.
Intracranial EEG-fMRI Analysis of Interictal Markers in Drug-Resistant Focal Epilepsy
Creators: name: Wilson, William
Publisher: name: Graduate Studies
Year: 2023
Subjects: subject: Epilepsy
subject: Intracranial Electroencephalography
subject: Functional MRI
subject: Epilepsy Surgery
subject: EEG-fMRI
subject: Electroencephalography
subject: Interictal Epileptiform Discharges
subject: High Frequency Oscillations
subject: Neuroscience

description: Epilepsy is a common neurologic disease affecting 70 million people globally. Despite advances in treatment, approximately 20 million people remain resistant to medication for whom surgery may be considered. Epilepsy surgery requires the precise localization of the epileptogenic zone (EZ) and conventional markers such as interictal epileptiform discharges (IEDs) have been shown to provide incomplete spatial information to this end. Recently, high frequency oscillations (HFOs) in intracranial EEG (iEEG) have been proposed as a novel marker of the EZ. However, iEEG recordings are limited to electrode contact sites. To overcome this limitation, the Federico laboratory has combined iEEG with functional MRI which allows us to measure activation throughout the whole brain. This thesis contains a series of experiments using iEEG-fMRI in a cohort of patients with drug-resistant focal epilepsy with the goal of localizing the EZ using IEDs and HFOs and predicting surgical outcome. I first established methods that recovered the underlying physiological EEG that was heavily contaminated by magnetic gradient switching artifact and then detected HFOs algorithmically. I then validated the use of these methods showing that the rates of HFOs obtained from within the scanner were comparable to rates obtained at the bedside. The semi-automatic HFO detection method is a feasible tool with minimal user effort for the identification of HFOs in iEEG-fMRI data and is easily applicable in a clinical setting. Having validated the technique, I then used simultaneous iEEG-fMRI to produce HFO-related fMRI activation maps to examine their proximity to the seizure onset zone (SOZ). I evaluated 3 markers: IEDs, HFOs that co-occur with IEDs, and HFOs that occur independently of IEDs. I found HFOs that co-occur with IEDs produced discrete maps and co-localized with the SOZ better than HFOs that occurred independently of IEDs, which produced diffuse and non-localizing activations. Finally, I evaluated the relationship between resection of HFO-related fMRI activation and post-operative outcome against the use of conventional EEG marker, IEDs. I demonstrated that the resection of the peak voxel of the maximum cluster was necessary but not sufficient to achieve good post-operative outcomes for both IEDs and HFOs. The results of this thesis demonstrate the clinical value of HFOs and the utility of iEEG-fMRI as both provide useful information during pre-surgical evaluation.
A solution to the subdiffusion-efficiency paradox: Inactive states enhance reaction efficiency at subdiffusion conditions in living cells
Creators: name: Sereshki, Leila Esmaeili
name: Lomholt, Michael A.
name: Metzler, Ralf
Publisher: name: arXiv
Year: 2012
Subjects: subject: Subcellular Processes (q-bio.SC)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: Macromolecular crowding in living biological cells effects subdiffusion of larger biomolecules such as proteins and enzymes. Mimicking this subdiffusion in terms of random walks on a critical percolation cluster, we here present a case study of EcoRV restriction enzymes involved in vital cellular defence. We show that due to its so far elusive propensity to an inactive state the enzyme avoids non-specific binding and remains well-distributed in the bulk cytoplasm of the cell. Despite the reduced volume exploration capability of subdiffusion processes, this mechanism guarantees a high efficiency of the enzyme. By variation of the non-specific binding constant and the bond occupation probability on the percolation network, we demonstrate that reduced non-specific binding are beneficial for efficient subdiffusive enzyme activity even in relatively small bacteria cells. Our results corroborate a more local picture of cellular regulation.
description: 6 plus epsilon pages, 6 figures
ALMA Lensing Cluster Survey:
 Full SED Analysis of z=0.5-6 Lensed Galaxies Detected by Millimeter Observations
Creators: name: Uematsu, Ryosuke
name: Ueda, Yoshihiro
name: Kohno, Kotaro
name: Toba, Yoshiki
name: Yamada, Satoshi
name: Smail, Ian
name: Umehata, Hideki
name: Fujimoto, Seiji
name: Hatsukade, Bunyo
name: Ao, Yiping
name: Bauer, Franz Erik
name: Brammer, Gabriel
name: Dessauges-Zavadsky, Miroslava
name: Espada, Daniel
name: Jolly, Jean-Baptiste
name: Koekemoer, Anton
name: Kokorev, Vasily
name: Magdis, Georgios
name: Oguri, Masamune
name: Sun, Fengwu
Publisher: name: Zenodo
Year: 2023

description: Sub/millimeter galaxies are a key population for the study of galaxy evolution because the majority of star formation at high redshifts occurred in galaxies deeply embedded in dust. To search for this population, we have performed an extensive survey with ALMA, called the ALMA Lensing Cluster Survey (ALCS). This survey covers 133 arcmin2 area and securely detects 180 sources at z~0.5–6 with a flux limit of ~0.2 mJy at 1.2 mm (Fujimoto et al. 2023). Here we report the results of multi-wavelength spectral energy distribution (SED) analysis of the whole ALCS sample, utilizing the observed-frame UV to millimeter photometry. We find that the majority of the ALCS sources lie on the star-forming main sequence, with a smaller fraction showing intense starburst activities. The ALCS sample contains high infrared-excess sources (IRX=log (Ldust/LUV)>1), including two extremely dust-obscured galaxies (IRX>5). We also confirm that the ALCS sample probes a broader range in lower dust mass than conventional SMG samples in the same redshift range. We identify six heavily obscured AGN candidates that are not detected in the archival Chandra data in addition to the three X-ray AGNs reported by (Uematsu et al. 2023). The inferred AGN luminosity density shows a possible excess at z=2–3 compared with that determined from X-ray surveys below 10 keV.
MPEC 2023-X84 : 2023 XQ1
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 XQ1

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
4.3, 4.5 &4.6 -WP4 Demonstrators – D3 Historical Census Data Technical Report
Creators: name: McDougall, Janet
name: Nurmikko-Fuller, Terhi
Publisher: name: Zenodo
Year: 2023

description: We report on a research project into the HCCDA (Historical Census and Colonial Data Archive).
The research project has consisted of close reading of the data, consultation with domain
experts to assess and clarify the historical context in which the data was originally captured,
and the development of an ontological structure (represented in .TTL or Turtle) to represent
information in a knowledge graph (in adherence to the RDF or Resource Description
Framework abstract data model).
We additionally report on a deep dive into data from New South Wales (NSW) focusing on a
specific data category -occupations - as expressed in all relevant Censuses (1833 - 1901
inclusive). We have also examined this category longitudinally looking at censuses collected
across all of the colonies. For consistency, the longitudinal study has included only those years
when the census was collected in all colonies in the same year (1861, 1881, 1891, and 1901).
Optimum Learning for All Students: A Research Study of Teaching Quality Standard, Leadership Quality Standard, and Superintendent Leader Quality Standard Implementation and Enactment in Alberta
Creators: name: Friesen, Sharon
name: Brown, Barbara
name: Chu, Man-Wai
name: Parsons, Dennis
name: Hunter, Darryl
name: Stelmach, Bonnie
name: Adams, Pamela
name: Mombourquette, Carmen
name: Burleigh, Dawn
name: Schmidt, Edgar
Publisher: name: Werklund School of Education
Year: 2023
Subjects: teaching quality standard
leadership quality standard
superintendent leader quality standard
alberta
education

description: The research team would like to acknowledge the significant contributions of Dr. Jim Brandon, who was not able to see this project to its culmination. To Dr. Jim Brandon, In Memoriam: You were dearly missed, but we were inspired to carry on, keeping your commitment to improving schools as our guide and purpose. We dedicate this research to you, Jim, you were a true teacher, leader, and scholar, and upon reaching this milestone, we echo your famous words, “It’s a good day.”
description: February 7, 2018, the Ministerial Order in Alberta of three Professional Practice Standards conceptualized the professional practice of Alberta teachers, school and system leaders, and superintendents using a nested design which provided consistency in the way K-12 educators practice in Alberta. The four-year longitudinal convergent mixed methods study began in March 2018, prior to the beginning of the required implementation of the three standards and concluded in June 2023. Four research questions guided this study. Survey and case study were gathered from a total of 5536 teachers, 1832 leaders, and 106 superintendent leaders over the four years. Fifteen findings were identified through a process of merging the quantitative and qualitative data over four years. The study concluded there was a strong interplay between the professional practice standards as policy and the implementation into practice, the implementation of the standards was successful in the face of the 2.5 years of COVID in the midst of their implementation, the participating 35 school authorities cultivated a culture of continuous professional learning and improvement, implementation enhanced educators' understanding of First Nations, Métis, and Inuit Knowledge, participants used an evidence-informed approach to guide practice, and all participants acknowledged the role of external supports and collaboration to realize policy in action.
title: The Rivers and the Cities: A Brief Introduction.
title: “Commanding, Sovereign Stream”:
The Neva and the Viennese Danube in the History of Imperial Metropolitan Centers. The Rivers and the Cities: A Brief Introduction. Environment & Society Portal, Virtual Exhibitions 2019, no. 1.
titleType: AlternativeTitle
Creators: name: Haidvogl, Gertrud
name: Kraikovski, Alexei
name: Lajus, Julia
Publisher: name: Rachel Carson Center for Environment and Society, Munich, Germany
Year: 2019
Subjects: subject: infrastructure
subject: population
subject: landscape transformation
subject: fish
subject: fishing
subject: rivers
subject: cities
subject: waterways
subject: water

description: Analyzing the history of fish populations in the Neva and Viennese Danube, the Russian-Austrian research group discovered numerous links between the great cities and their great rivers, including the fish populations. This introduction to the virtual exhibition “‘Commanding, Sovereign Stream’: The Neva and the Viennese Danube in the History of Imperial Metropolitan Centers” explains how the exhibition visualizes these links and reveal some hidden (or at least not immediately evident) sides of urban life.
SymPy CZI EOSS Round 4 Application.pdf
Creators: name: Meurer, Aaron
name: Moore, Jason K.
name: Benjamin, Oscar
Publisher: name: figshare
Year: 2021
Subjects: subject: 80204 Mathematical Software
subject: FOS: Computer and information sciences

description: SymPy: Improving Foundational Open Source Symbolic Mathematics for Science: Proposal for CZI EOSS Cycle 4
Additional file 2 of Circular RNA hsa_circ_0002483 promotes growth and invasion of lung adenocarcinoma by sponging miR-125a-3p
Creators: name: Wan, Jun
name: Ding, Guanggui
name: Zhou, Min
name: Ling, Xiean
name: Rao, Zhanpeng
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biological Sciences not elsewhere classified
subject: Cancer

description: Additional file 2: Figure S1. Kaplan-Meier analysis of the association of miR-125a-3pexpression with overall survival in patients with LUAC.
Weak values and the past of a quantum particle
Creators: name: Hance, Jonte R.
name: Rarity, John
name: Ladyman, James
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: We investigate four key issues with using a nonzero weak value of the spatial projection operator to infer the past path of an individual quantum particle. First, we note that weak measurements disturb a system, so any approach relying on such a perturbation to determine the location of a quantum particle describes the state of a disturbed system, not that of a hypothetical undisturbed system. Secondly, even assuming no disturbance, there is no reason to associate the non-zero weak value of an operator containing the spatial projection operator with the classical idea of `particle presence'. Thirdly, weak values are only measurable over ensembles, and so to infer properties of individual particles from values of them is problematic. Finally, weak value approaches to the path of a particle do not provide information beyond standard quantum mechanics (and the classical modes supporting the experiment). We know of no experiment with testable consequences that demonstrates a connection between particle presence and weak values.
description: 10 pages, 2 figures. Matches published version
Fungicidal Treatments and Shipping Practices for Controlling Decay of Sweetpotatoes During Marketing
Creators: name: Kushman, L. J.
name: Wright, W. R.
name: Kaufman, J.
name: Hardenburg, R. E.
name: Kushman, L. J.
name: Wright, W. R.
name: Kaufman, J.
name: Hardenburg, R. E.
Publisher: name: Unknown
Year: 1965
Subjects: subject: Crop Production/Industries
subject: Marketing
subject: FOS: Economics and business
subject: Research and Development/Tech Change/Emerging Technologies

description: Excerpts from the report: As a result of previous research, sweetpotatoes shipped to market are treated with sodium o-phenylphenate tetrahydrate (SOPP) to control decay, particularly soft rot, during marketing. Reduction of decay through use of SOPP has encouraged consumer packaging and the use of corrugated paper shipping containers. The tests reported here were to evaluate possible improvements in the use of SOPP and compare it with other potentially useful treatments which might be more effective and easier to use, would eliminate or reduce chemical residues, or would be less toxic to the sweetpotatoes. Three approaches were used: (1) Modification of the SOPP treatment, (2) evaluation of other treatments, and (3) improvement of in-transit conditions to reduce injury and subsequent decay of the roots.
Theory of deuteron stripping. From surface integrals to generalized $R$-matrix approach
Creators: name: Mukhamedzhanov, A. M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: There are two main reasons for absence of the practical theory of stripping to resonance states which could be used by experimental groups: numerical problem of the convergence of the DWBA matrix element when the full transition operator is included and it is unclear what spectroscopic information can be extracted from the analysis of transfer reactions populating the resonance states. The purpose of this paper is to address both questions. The theory of the deuteron stripping is developed, which is based on the post continuum discretized coupled channels (CDCC) formalism going beyond of the DWBA and surface integral formulation of the reaction theory [A. S. Kadyrov et al., Ann. Phys. {\bf 324}, 1516 (2009)]. First, the formalism is developed for the DWBA and then extended to the CDCC formalism, which is ultimate goal of this work. The CDCC wave function takes into account not only the initial elastic $d+ A$ channel but also its coupling to the deuteron breakup channel $p + n + A$ missing in the DWBA. Stripping to both bound states and resonances are included. The convergence problem for stripping to resonance states is solved in the post CDCC formalism. The reaction amplitude is parametrized in terms of the reduced width amplitudes (ANCs), inverse level matrix, boundary condition and channel radius, that is the same parameters which are used in the conventional $R$-matrix method. For stripping to resonance states many-level, one and two-channel cases are considered. The theory provides a consistent tool to analyze both binary resonant reactions and deuteron stripping in terms of the same parameters.
description: 37 pages
Academic Integrity the Canadian Way [Keynote address]
Creators: name: Eaton, Sarah Elaine
Publisher: name: Werklund School of Education
Year: 2023
Subjects: academic integrity
academic misconduct
academic dishonesty
decolonization
Indigenization
Canada
equity
diversity
inclusion
higher education
social justice
epistemic plurality

description: Closing keynote address for the 2023 Canadian Symposium on Academic Integrity held in Winnipeg, Manitoba, Canada. In this keynote I talk about Canada's unique contribution to the international knowledge base of academic integrity. I highlight how Canadians are leading the way in decolonizing academic integrity globally. Topics I speak about in this presentation include: ethical spaces, decolonization, Indigenization, values, morality, ethics, integrity, comprehensive academic integrity and epistemic pluralism.
5.5 IRISS-ACSPRI-LimeSurvey-Colectia-Integration
Creators: name: Zammit, Adam
Publisher: name: Zenodo
Year: 2023

description: LimeSurvey
is the most popular open source web survey tool. It is used by institutions worldwide for collecting
survey data. Colectica is a web based data and metadata a rchiving and publication tool. Colectica is used by
institutions worldwide to publish their survey data in a structured format.
To enable the efficient reuse, referencing and documentation of high quality survey questions, the
ImportQuestionFromColectica plugin was developed for LimeSurvey by ACSPRI as part of the IRISS project
This plugin allows f
or administrators of LimeSurvey system to integrate with a Colectica repository, which
allows LimeSurvey users to search or browse the repository in the LimeSurvey interface and create questions
based on existing published survey questionnaires.
N=2 supersymmetric theories on squashed three-sphere
Creators: name: Imamura, Yosuke
name: Yokoyama, Daisuke
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate a squashing deformation of 3d N=2 supersymmetric theories on three-sphere, which have four supercharges. The deformation preserves SU(2)_L x U(1)_r isometry and all four supersymmetries. We compute the partition function and find non-trivial dependence on the squashing parameter. We also consider the large N limit of a certain class of quiver gauge theories which have free energy of order N^{3/2}, and show that the free energy on the squashed sphere differs from that on round sphere by a certain factor depending only on the squashing parameter.
description: 39 pages, 2 figures, v2: minor corrections, references added; v3: minor corrections
Figure S1 Publication License from Agricultural soil legacy influences multitrophic interactions between crops, their pathogens and pollinators
Creators: name: Davis, Jules K.
name: Cohen, Anna D.
name: Getman-Pickering, Zoe L.
name: Grab, Heather L.
name: Hodgden, Blythe
name: Maher, Ryan M.
name: Pelzer, Chris J.
name: Rangarajan, Anu
name: Ryan, Matthew R.
name: Ugine, Todd A.
name: Thaler, Jennifer S.
Publisher: name: The Royal Society
Year: 2023
Subjects: classificationCode: 310399
subject: Ecology not elsewhere classified

description: Soil legacy influences plant interactions with antagonists and below-ground mutualists. Plant–antagonist interactions can jeopardize plant–pollinator interactions, while soil mutualists can enhance plant–pollinator interactions. This suggests that soil legacy, either directly or mediated through plant symbionts, affects pollinators. Despite the importance of pollinators to natural and managed ecosystems, information on how soil legacy affects plant–pollinator interactions is limited. We assessed effects of soil management legacy (organic versus conventional) on floral rewards and plant interactions with wild pollinators, herbivores, beneficial fungi and pathogens. We used an observational dataset and structural equation models to evaluate hypothesized relationships between soil and pollinators, then tested observed correlations in a manipulative experiment. Organic legacy increased mycorrhizal fungal colonization and improved resistance to powdery mildew, which promoted pollinator visitation. Further, soil legacy and powdery mildew independently and interactively impacted floral traits and floral reward nutrients, which are important to pollinators. Our results indicate that pollination could be an overlooked consequence of soil legacy and suggests opportunity to develop long-term soil management plans that benefit pollinators and pollination.
MAP-CSI: Single-site Map-Assisted Localization Using Massive MIMO CSI
Creators: name: Vuckovic, Katarina
name: Hejazi, Farzam
name: Rahnavard, Nazanin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper presents a new map-assisted localization approach utilizing Chanel State Information (CSI) in Massive Multiple-Input Multiple-Output (MIMO) systems. Map-assisted localization is an environment-aware approach in which the communication system has information regarding the surrounding environment. By combining radio frequency ray tracing parameters of the multipath components (MPC) with the environment map, it is possible to accomplish localization. Unfortunately, in real-world scenarios, ray tracing parameters are typically not explicitly available. Thus, additional complexity is added at a base station to obtain this information. On the other hand, CSI is a common communication parameter, usually estimated for any communication channel. In this work, we leverage the already available CSI data to propose a novel map-assisted CSI localization approach, referred to as MAP-CSI. We show that Angle-of-Departure (AoD) and Time-of-Arrival (ToA) can be extracted from CSI and then be used in combination with the environment map to localize the user. We perform simulations on a public MIMO dataset and show that our method works for both line-of-sight (LOS) and non-line-of-sight (NLOS) scenarios. We compare our method to the state-of-the-art (SoA) method that uses the ray tracing data. Using MAP-CSI, we accomplish an average localization error of 1.8 m in LOS and 2.8 m in mixed (combination of LOS and NLOS samples) scenarios. On the other hand, SoA ray tracing has an average error of 1.0 m and 2.2 m, respectively, but requires explicit AoD and ToA information to perform the localization task.
description: Source code available via https://github.com/katarinavuckovic/MAPCSI
Inter-Pixel Crosstalk in Teledyne Imaging Sensors (TIS) H4RG-10 Detectors
Creators: name: Dudik, R. P.
name: Jordan, M.
name: Dorland, B. N.
name: Veillette, D.
name: Waczynski, A.
name: Lane, B.
name: Loose, M.
name: Kan, E.
name: Waterman, J.
name: Pravdo, S.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: CMOS-hybrid arrays have recently surfaced as competitive optical detectors for use in ground- and space-based astronomy. One source of error in these detectors that does not appear in more traditional CCD arrays is the inter-pixel capacitance component of crosstalk. In this paper we use a single pixel reset method to model inter-pixel capacitance (IPC). We combine this IPC model with a model for charge diffusion to estimate the total crosstalk on H4RG arrays. Finally, we compare our model results to Fe55 data obtained using an astrometric camera built to test the H4RG-B0 generation detectors.
description: Accepted to Applied Optics 03-26-12
A construction of a $β$-coalescent via the pruning of Binary Trees
Creators: name: Abraham, Romain
name: Delmas, Jean-François
Publisher: name: arXiv
Year: 2012
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: Considering a random binary tree with $n$ labelled leaves, we use a pruning procedure on this tree in order to construct a $β(3/2,1/2)$-coalescent process. We also use the continuous analogue of this construction, i.e. a pruning procedure on Aldous's continuum random tree, to construct a continuous state space process that has the same structure as the $β$-coalescent process up to some time change. These two constructions unable us to obtain results on the coalescent process such as the asymptotics on the number of coalescent events or the law of the blocks involved in the last coalescent event.
Proximal junctional kyphosis following surgical treatment of global sagittal imbalance : predictive analysis using mathematical and in vitro biomechanical models
Creators: name: Murray, Heather Leanne
Publisher: name: University of British Columbia
Year: 2012

description: Introduction: Sagittal realignment using posterior spinal fixation and fusion, with or without corrective osteotomy, is the current treatment for global sagittal imbalance. Patients may develop proximal junctional kyphosis (PJK) through failure of the uppermost instrumented or adjacent vertebra. The effects of surgical and patient variables on the development of PJK have not been studied biomechanically. Objectives: (1) To analyze pre- and post-operative intervertebral loading and the effect of osteotomy location and extensor muscle function on intervertebral spine loading using a 2D equilibrium model of sagittally imbalanced adult spine, and (2) to characterize pure moment loading pathways of multi-segment human cadaveric spines following posterior spinal fixation and in a number of surgical conditions. Methods: (1) Pre- and post-operative lateral radiographic measurements were taken of patients (N=7) and used to predict intervertebral compressive loading patterns. From pre-operative curves, the changes in loading behaviour due to simulated osteotomies and decreasing levels of extensor muscle function were assessed. (2) Six human cadaver five-segment spines in six surgical states were tested in pure flexion-extension bending to represent the post-operative loading of patients without extensor muscle function. Vertebral strain, rod strain, and specimen kinematics were measured and rod loading was used to predict load-sharing between the implant and the spine. Results: (1) Predicted intervertebral compressive loads increased up to 29% after development of PJK. Predicted compressive loads were not notably affected by the chosen level of the osteotomy but increased up to 42% after intra-operative extensor muscle loss. (2) A force couple existed between the vertebral column and the implant, supporting the majority of the applied moment. The additional compressive force on the spine due to the applied moment was predicted based on rod load measurements, found to agree with model predictions. Specimen condition had minimal or no significance on measurements. Discussion: The developed equilibrium model introduced a predictive tool for surgical planning and deformity progression. Predicted intervertebral compressive loads were higher in sagitally-imbalanced spines than asymptomatic spines (96), worsened by loss of extensor muscle function. Simulating muscle loss by applying a pure moment in vitro may provide insight to the resulting additional spine loading.
Supplementary document for Broadband laser‐processed terahertz moth‐eye antireflection structure with a controlled lattice type - 7159432.pdf
Creators: name: Koike, Rikuo
name: Matoba, Mizuho
name: Kawano, Shotaro
name: Sakurai, Haruyuki
name: Konishi, Kuniaki
name: Mio, Norikatsu
Publisher: name: Optica Publishing Group
Year: 2024
Subjects: Uncategorized

description: 1. Evaluation of laser fabricated moth-eye structure’s uniformity
The classification of the virtually cyclic subgroups of the sphere braid groups
Creators: name: Gonçalves, Daciberg Lima
name: Guaschi, John
Publisher: name: arXiv
Year: 2011
Subjects: subject: Geometric Topology (math.GT)
subject: Group Theory (math.GR)
subject: FOS: Mathematics

description: We study the problem of determining the isomorphism classes of the virtually cyclic subgroups of the n-string braid groups B_n(S^2) of the 2-sphere S^2. If n is odd, or if n is even and sufficiently large, we obtain the complete classification. For small even values of n, the classification is complete up to an explicit finite number of open cases. In order to prove our main theorem, we obtain a number of other results of independent interest, notably the characterisation of the centralisers and normalisers of the finite cyclic and dicyclic subgroups of B_n(S^2), a result concerning conjugate powers of finite order elements, an analysis of the isomorphism classes of the amalgamated products that occur as subgroups of B_n(S^2), as well as an alternative proof of the fact that the universal covering space of the n-th configuration space of S^2 has the homotopy type of S^3 if n is greater than or equal to three.
description: 96 pages, 11 figures
Second harmonic EPR spectroscopy and imaging reveal Li-metal depositions in Li-ion batteries
Creators: name: Dutoit, Charles-Emmanuel
Publisher: name: Zenodo
Year: 2024

description: We have studied the Li-metal nucleation following (de)lithiation of the graphite anode using X-band electron paramagnetic resonance (EPR) spectroscopy and imaging. Li-metal aggregates formed during electrochemical cycling on the graphite anode are complex structures which lead to internal short-circuit and safety issues. Understanding this nucleation process is necessary to improve the development of Li-ion batteries. We report a new approach using cw-EPR spectroscopy and imaging combining the first and the second harmonic detection schemes to provide evidence of the metallic lithium aggregates nucleation in these negative electrodes. Although the first harmonic gives all the EPR signals present in the sample, it is found that the second harmonic EPR signal is mainly sensitive to metallic lithium depositions.
Control-oriented Modeling of Bend Propagation in an Octopus Arm
Creators: name: Wang, Tixian
name: Halder, Udit
name: Gribkova, Ekaterina
name: Gazzola, Mattia
name: Mehta, Prashant G.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Systems and Control (eess.SY)
subject: FOS: Physical sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Bend propagation in an octopus arm refers to a stereotypical maneuver whereby an octopus pushes a bend (localized region of large curvature) from the base to the tip of the arm. Bend propagation arises from the complex interplay between mechanics of the flexible arm, forces generated by internal muscles, and environmental effects (buoyancy and drag) from of the surrounding fluid. In part due to this complexity, much of prior modeling and analysis work has relied on the use of high dimensional computational models. The contribution of this paper is to present a control-oriented reduced order model based upon a novel parametrization of the curvature of the octopus arm. The parametrization is motivated by the experimental results. The reduced order model is related to and derived from a computational model which is also presented. The results from the two sets of models are compared using numerical simulations which is shown to lead to useful qualitative insights into bend propagation. A comparison between the reduced order model and experimental data is also reported.
Strangeness in the cores of neutron stars
Creators: name: Lastowiecki, R.
name: Blaschke, D.
name: Grigorian, H.
name: Typel, S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Theory (nucl-th)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The measurement of the mass 1.97 +/- 0.04 M_sun for PSR J1614-2230 provides a new constraint on the equation of state and composition of matter at high densities. In this contribution we investigate the possibility that the dense cores of neutron stars could contain strange quarks either in a confined state (hyperonic matter) or in a deconfined one (strange quark matter) while fulfilling a set of constraints including the new maximum mass constraint. We account for the possible appearance of hyperons within an extended version of the density-dependent relativistic mean-field model, including the phi-meson interaction channel. Deconfined quark matter is described by the color superconducting three-flavor NJL model.
description: 6 pages, 2 figures, contribution to "Strangeness in Quark Matter 2011", Cracow, September 18-24, 2011
Supplementary Material from Agricultural soil legacy influences multitrophic interactions between crops, their pathogens and pollinators
Creators: name: Davis, Jules K.
name: Cohen, Anna D.
name: Getman-Pickering, Zoe L.
name: Grab, Heather L.
name: Hodgden, Blythe
name: Maher, Ryan M.
name: Pelzer, Chris J.
name: Rangarajan, Anu
name: Ryan, Matthew R.
name: Ugine, Todd A.
name: Thaler, Jennifer S.
Publisher: name: The Royal Society
Year: 2023
Subjects: classificationCode: 310399
subject: Ecology not elsewhere classified

description: Supplemental Methods, Results,Tables and Figures referenced in text
Additional file 3 of Circular RNA hsa_circ_0002483 promotes growth and invasion of lung adenocarcinoma by sponging miR-125a-3p
Creators: name: Wan, Jun
name: Ding, Guanggui
name: Zhou, Min
name: Ling, Xiean
name: Rao, Zhanpeng
Publisher: name: figshare
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biological Sciences not elsewhere classified
subject: Cancer

description: Additional file 3: Figure S2. qRT-PCR analysis of the expression levels ofcirc_0002483 after transfection with miR-125a-3p mimics or inhibitors in A549and PC9 cells.
Hyponormality and Subnormality of Block Toeplitz Operators
Creators: name: Curto, Raul
name: Hwang, In Sung
name: Lee, Woo Young
Publisher: name: arXiv
Year: 2012
Subjects: subject: Functional Analysis (math.FA)
subject: Operator Algebras (math.OA)
subject: FOS: Mathematics
subject: 47B20, 47B35, 47A13 (Primary) 30H10, 47A20, 47A57 (Secondary)

description: In this paper we are concerned with hyponormality and subnormality of block Toeplitz operators acting on the vector-valued Hardy space $H^2_{\mathbb{C}^n}$ of the unit circle. Firstly, we establish a tractable and explicit criterion on the hyponormality of block Toeplitz operators having bounded type symbols via the triangularization theorem for compressions of the shift operator. Secondly, we consider the gap between hyponormality and subnormality for block Toeplitz operators. This is closely related to Halmos's Problem 5: Is every subnormal Toeplitz operator either normal or analytic? We show that if $Φ$ is a matrix-valued rational function whose co-analytic part has a coprime factorization then every hyponormal Toeplitz operator $T_Φ$ whose square is also hyponormal must be either normal or analytic. Thirdly, using the subnormal theory of block Toeplitz operators, we give an answer to the following "Toeplitz completion" problem: Find the unspecified Toeplitz entries of the partial block Toeplitz matrix $$A:=[U^*& ? ?&U^*] $$ so that $A$ becomes subnormal, where $U$ is the unilateral shift on $H^2$.
description: Final version, accepted for publication in Advances in Mathematics
Systems biology beyond degree, hubs and scale-free networks: the case for multiple metrics in complex networks
Creators: name: Roy, Soumen
Publisher: name: arXiv
Year: 2012
Subjects: subject: Quantitative Methods (q-bio.QM)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Modeling and topological analysis of networks in biological and other complex systems, must venture beyond the limited consideration of very few network metrics like degree, betweenness or assortativity. A proper identification of informative and redundant entities from many different metrics, using recently demonstrated techniques, is essential. A holistic comparison of networks and growth models is best achieved only with the use of such methods.
description: To appear in Systems and Synthetic Biology (Springer)
Energy Dependent Isospin Asymmetry in Mean-Field Dynamics
Creators: name: Gaitanos, T.
name: Kaskulov, M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The Lagrangian density of relativistic mean-field (RMF) theory with non-linear derivative (NLD) interactions is applied to isospin asymmetric nuclear matter. We study the symmetry energy and the density and energy dependences of nucleon selfenergies. At high baryon densities a soft symmetry energy is obtained. The energy dependence of the isovector selfenergy suppresses the Lane-type optical potential with increasing energy and predicts a $ρ$-meson induced mass splitting between protons and neutrons in isospin asymmetric matter.
description: 21 pages, 8 figures, Nuclear Physics A in press
Figure S6 Publication License from Agricultural soil legacy influences multitrophic interactions between crops, their pathogens and pollinators
Creators: name: Davis, Jules K.
name: Cohen, Anna D.
name: Getman-Pickering, Zoe L.
name: Grab, Heather L.
name: Hodgden, Blythe
name: Maher, Ryan M.
name: Pelzer, Chris J.
name: Rangarajan, Anu
name: Ryan, Matthew R.
name: Ugine, Todd A.
name: Thaler, Jennifer S.
Publisher: name: The Royal Society
Year: 2023
Subjects: classificationCode: 310399
subject: Ecology not elsewhere classified

description: Soil legacy influences plant interactions with antagonists and below-ground mutualists. Plant–antagonist interactions can jeopardize plant–pollinator interactions, while soil mutualists can enhance plant–pollinator interactions. This suggests that soil legacy, either directly or mediated through plant symbionts, affects pollinators. Despite the importance of pollinators to natural and managed ecosystems, information on how soil legacy affects plant–pollinator interactions is limited. We assessed effects of soil management legacy (organic versus conventional) on floral rewards and plant interactions with wild pollinators, herbivores, beneficial fungi and pathogens. We used an observational dataset and structural equation models to evaluate hypothesized relationships between soil and pollinators, then tested observed correlations in a manipulative experiment. Organic legacy increased mycorrhizal fungal colonization and improved resistance to powdery mildew, which promoted pollinator visitation. Further, soil legacy and powdery mildew independently and interactively impacted floral traits and floral reward nutrients, which are important to pollinators. Our results indicate that pollination could be an overlooked consequence of soil legacy and suggests opportunity to develop long-term soil management plans that benefit pollinators and pollination.
"We're a lot closer, we talk more": Family experiences and relationships following child's participation in an adapted physical activity camp
Creators: name: Youngblood, Jessica
name: McDonough, Meghan H.
name: Condliffe, Elizabeth G.
name: Legg, David
name: Emery, Carolyn A.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: adapted physical activity
adolescents
children
disability
family
qualitative relationships

description: Purpose: Children and adolescents with developmental challenges may rely on their parents for assistance with everyday tasks to a greater extent than typically developing children. The objective of this study was to examine family members’ perspectives regarding family relationships related to participation in an adapted summer camp for children and adolescents living with a disability. Materials and Methods: A collective case study was conducted with eleven families who had a child living with a disability who participated in an adapted physical activity (PA) summer camp. A focus group was conducted with each family and thematically analyzed. Results: Families experienced changes in perspectives and pride surrounding adapted PA, more family conversations about disability, less parental worry, more independence of the child living with a disability, and enhanced family bonds through PA. The children who participated in the camp saw impacts on their self-confidence and independence. COVID-19-related program suspension was associated with frustration, worry, and strained family relationships. Conclusions: These findings elucidate how participation in adapted PA for children and youth with disabilities can impact family relationships. Future interventions allow for space for family interactions and create opportunity for children and adolescents with disabilities to be independent.
The XMM Cluster Survey: The interplay between the brightest cluster galaxy and the intra-cluster medium via AGN feedback
Creators: name: Stott, John P.
name: Hickox, Ryan C.
name: Edge, Alastair C.
name: Collins, Chris A.
name: Hilton, Matt
name: Harrison, Craig D.
name: Romer, A. Kathy
name: Rooney, Philip J.
name: Kay, Scott T.
name: Miller, Christopher J.
name: Sahlen, Martin
name: Lloyd-Davies, Ed J.
name: Mehrtens, Nicola
name: Hoyle, Ben
name: Liddle, Andrew R.
name: Viana, Pedro T. P.
name: McCarthy, Ian G.
name: Schaye, Joop
name: Booth, C. M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Using a sample of 123 X-ray clusters and groups drawn from the XMM-Cluster Survey first data release, we investigate the interplay between the brightest cluster galaxy (BCG), its black hole, and the intra-cluster/group medium (ICM). It appears that for groups and clusters with a BCG likely to host significant AGN feedback, gas cooling dominates in those with Tx > 2 keV while AGN feedback dominates below. This may be understood through the sub-unity exponent found in the scaling relation we derive between the BCG mass and cluster mass over the halo mass range 10^13 < M500 < 10^15Msol and the lack of correlation between radio luminosity and cluster mass, such that BCG AGN in groups can have relatively more energetic influence on the ICM. The Lx - Tx relation for systems with the most massive BCGs, or those with BCGs co-located with the peak of the ICM emission, is steeper than that for those with the least massive and most offset, which instead follows self-similarity. This is evidence that a combination of central gas cooling and powerful, well fuelled AGN causes the departure of the ICM from pure gravitational heating, with the steepened relation crossing self-similarity at Tx = 2 keV. Importantly, regardless of their black hole mass, BCGs are more likely to host radio-loud AGN if they are in a massive cluster (Tx > 2 keV) and again co-located with an effective fuel supply of dense, cooling gas. This demonstrates that the most massive black holes appear to know more about their host cluster than they do about their host galaxy. The results lead us to propose a physically motivated, empirical definition of 'cluster' and 'group', delineated at 2 keV.
description: Accepted for publication in MNRAS - replaced to match corrected proof