cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Relativistic Quantum Backflow
Creators: name: Ashfaque, Johar M.
name: Lynch, J.
name: Strange, P.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper we discuss relativistic quantum backflow. The general theory of relativistic backflow is written down and it is shown that the backflow can be written as a function of a simple parameter which is defined in terms of fundamental constants and the backflow period. Backflow eigenfunctions are determined numerically for a range of values of and an explicit expression for the relativistic backflow eigenvalue in terms of the non-relativistic backflow constant is presented. Then backflow eigenvectors are fitted with some standard functions which lead to substantially higher backflow than has been found previously with fitting procedures, for some values of. In analysing the non-relativistic limit of the theory we show that this problem is one of those rare cases where the relativistic theory is intrinsically more simple than the non-relativistic theory.
description: 14 pages
Ardea rufiventris Sundevall 1850
Creators: name: Dean, W. Richard J.
name: Åhlander, Erik
name: Johansson, Ulf S.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Aves
Pelecaniformes
Ardeidae
Ardea
Ardea rufiventris

description: Ardea rufiventris Sundevall, 1850: 110.
 VERBATIM TYPE LOCALITY: “ Caffraria superiore (male) et inferiore (female) ”.
 CURRENT STATUS: Ardeola rufiventris (Sundevall, 1850); Ardeidae (Dickinson & Remsen 2013:188).
TYPE MATERIAL: From Sundevall’s original description (1850: 110) it is clear that he had both male and female specimens available. According to his manuscript acquisition catalogue he had two specimens at hand. Gyldenstolpe (1926: 98) referred to NRM 569856 [7962] as “type”; here we treat this as a lectotype designation of this adult male collected 22 October 1844 near Potchefstroom. The paralectotype is NRM 534929 [7963], a mounted juvenile female collected 13 March 1841 near uMlazi River.
VERIFIED TYPE LOCALITY: Mooi River, near Potchefstroom, North West Province.
COMMENTS: Journal entries confirm the place and date of the male lectotype, and the details for the female are confirmed by label data. Wahlberg travelled from the Tolwane River on 8 October 1844 to “Mooi River Flats” (= Potchefstroom) (Figure 3), arriving on 12 October and remaining there until 24 October. He collected at the mouth of the mLazi River in March 1841.
description: Published as part of Dean, W. Richard J., Åhlander, Erik & Johansson, Ulf S., 2022, Avian type localities and the type specimens collected by Johan August Wahlberg in southern Africa, pp. 521-560 in Zootaxa 5134 (4) on pages 526-527, DOI: 10.11646/zootaxa.5134.4.3, http://zenodo.org/record/6541737
Novel Platforms for Cardiovascular Repair
Creators: Martens, Timothy
Publisher: name: Columbia University
Year: 2011
Subjects: Biomedical engineering
Cytology

description: Collectively the experiments discussed in this thesis represent an attempt to improve upon current cardiovascular cell therapy practices. The first chapter focuses on the regenerative efficacy of immunoselected mesenchymal progenitor cells in the setting of acute myocardial ischemia. Particular attention is paid to the mechanisms underlying the functional recovery attributed to administration of these cells as well as potential drawbacks to their delivery as a liquid suspension. Given the poor engraftment witnessed with this formulation, the second chapter focuses on the use of in situ polymerization of hydrogels to enhance immediate cell retention and survival. This approach is further developed in chapter three with particular attention paid to the constraints imposed by currently used percutaneous delivery catheters. The fourth and final chapter combines the use of hydrogels with a novel biomimetic scaffold in an attempt to further improve upon cell retention and survival as well as provide a post-implant environment that provides physical and biologic characteristics similar to native myocardium.
How the Brain Transitions from Conscious to Subliminal Perception
Creators: name: Lucini, Francesca Arese
name: Del Ferraro, Gino
name: Sigman, Mariano
name: Makse, Hernan A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: Biological Physics (physics.bio-ph)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: We study the transition in the functional networks that characterize the human brains' conscious-state to an unconscious subliminal state of perception by using k-core percolation. We find that the most inner core (i.e., the most connected kernel) of the conscious-state functional network corresponds to areas which remain functionally active when the brain transitions from the conscious-state to the subliminal-state. That is, the inner core of the conscious network coincides with the subliminal-state. Mathematical modeling allows to interpret the conscious to subliminal transition as driven by k-core percolation, through which the conscious state is lost by the inactivation of the peripheral k-shells of the conscious functional network. Thus, the inner core and most robust component of the conscious brain corresponds to the unconscious subliminal state. This finding imposes constraints to theoretical models of consciousness, in that the location of the core of the functional brain network is in the unconscious part of the brain rather than in the conscious state as previously thought.
THE MEMBERSHIP OF RIGHTS HOLDERS  OF COLLECTIVE MANAGEMENT OF COPYRIGHT RIGHTS
Creators: name: Yakubova Iroda Bahramovna, DSc (Doctor of Law), Associate Professor Department «Intellectual property law» of Tashkent State University of Law
Publisher: name: Zenodo
Year: 2024

description: This scientific article analyzes the membership of rights holders in the organization, which is one of the important elements characterizing the organization of collective management. Also, a large number of cases of unlawful use of copyright works and unfair payment of copyrights to authors, the growing need to develop the institution of management of the author’s property rights on a collective basis determine the prospects for revising existing agreements. The article focuses on some current issues related to the improvement of this institute, as well as the opinions of scientists from Uzbekistan and other countries.Proposals and recommendations of scientific and practical importance for the development of copyright were put forward.

Key words: copyright, to enforce copyright, royalty, copyright and related rights collective management, public performance or display of a work, objects of copyright and related rights, extended collective management
Neuromorphic In-Memory Computing Framework using Memtransistor Cross-bar based Support Vector Machines
Creators: name: Kumar, P.
name: Nair, A. R.
name: Chatterjee, O.
name: Paul, T.
name: Ghosh, A.
name: Chakrabartty, S.
name: Thakur, C. S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: This paper presents a novel framework for designing support vector machines (SVMs), which does not impose restriction on the SVM kernel to be positive-definite and allows the user to define memory constraint in terms of fixed template vectors. This makes the framework scalable and enables its implementation for low-power, high-density and memory constrained embedded application. An efficient hardware implementation of the same is also discussed, which utilizes novel low power memtransistor based cross-bar architecture, and is robust to device mismatch and randomness. We used memtransistor measurement data, and showed that the designed SVMs can achieve classification accuracy comparable to traditional SVMs on both synthetic and real-world benchmark datasets. This framework would be beneficial for design of SVM based wake-up systems for internet of things (IoTs) and edge devices where memtransistors can be used to optimize system's energy-efficiency and perform in-memory matrix-vector multiplication (MVM).
description: 4 pages, 5 figures, MWSCAS 2019
Qualitative Analysis of Causal Anisotropic Viscous Fluid Cosmological Models
Creators: name: Hoogen, R. J. van den
name: Coley, A. A.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The truncated Israel-Stewart theory of irreversible thermodynamics is used to describe the bulk viscous pressure and the anisotropic stress in a class of spatially homogeneous viscous fluid cosmological models. The governing system of differential equations is written in terms of dimensionless variables and a set of dimensionless equations of state is utilized to complete the system. The resulting dynamical system is then analyzed using standard geometric techniques. It is found that the presence of anisotropic stress plays a dominant role in the evolution of the anisotropic models. In particular, in the case of the Bianchi type I models it is found that anisotropic stress leads to models that violate the weak energy condition and to the creation of a periodic orbit in some instances. The stability of the isotropic singular points is analyzed in the case with zero heat conduction; it is found that there are ranges of parameter values such that there exists an attracting isotropic Friedmann-Robertson-Walker model. In the case of zero anisotropic stress but with non-zero heat conduction the stability of the singular points is found to be the same as in the corresponding case with zero heat conduction; hence the presence of heat conduction does not apparently affect the global dynamics of the model.
description: 35 pages, REVTeX, 3 Encapsulated PostScript Figures
Additional file 1: of Outcomes by birth setting and caregiver for low risk women in Indonesia: a systematic literature review
Creators: name: Hodgkin, Kai
name: Joshy, Grace
name: Browne, Jenny
name: Istri Bartini
name: Hull, Terence
name: Kamalini Lokuge
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Biotechnology
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Science Policy

description: Appendix 1. Table of characteristics of included studies. (DOCX 43 kb)
${\cal PT}$ deformation of Calogero-Sutherland models
Creators: name: Correa, Francisco
name: Lechtenfeld, Olaf
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Calogero-Sutherland models of $N$ identical particles on a circle are deformed away from hermiticity but retaining a $\cal PT$ symmetry. The interaction potential gets completely regularized, which adds to the energy spectrum an infinite tower of previously non-normalizable states. For integral values of the coupling, extra degeneracy occurs and a nonlinear conserved supersymmetry charge enlarges the ring of Liouville charges. The integrability structure is maintained. We discuss the $A_{N-1}$-type models in general and work out details for the cases of $A_2$ and $G_2$.
description: 1+21 pages; v2: one reference added, minor corrections and improvements, matches published version
Novel Quantum Monte Carlo Approaches for Quantum Liquids
Creators: Rubenstein, Brenda M.
Publisher: name: Columbia University
Year: 2013
Subjects: Physics

description: Quantum Monte Carlo methods are a powerful suite of techniques for solving the quantum many-body problem. By using random numbers to stochastically sample quantum properties, QMC methods are capable of studying low-temperature quantum systems well beyond the reach of conventional deterministic techniques. QMC techniques have likewise been indispensible tools for augmenting our current knowledge of superfluidity and superconductivity. In this thesis, I present two new quantum Monte Carlo techniques, the Monte Carlo Power Method and Bose-Fermi Auxiliary-Field Quantum Monte Carlo, and apply previously developed Path Integral Monte Carlo methods to explore two new phases of quantum hard spheres and hydrogen. I lay the foundation for a subsequent description of my research by first reviewing the physics of quantum liquids in Chapter One and the mathematics behind Quantum Monte Carlo algorithms in Chapter Two. I then discuss the Monte Carlo Power Method, a stochastic way of computing the first several extremal eigenvalues of a matrix too memory-intensive to be stored and therefore diagonalized. As an illustration of the technique, I demonstrate how it can be used to determine the second eigenvalues of the transition matrices of several popular Monte Carlo algorithms. This information may be used to quantify how rapidly a Monte Carlo algorithm is converging to the equilibrium probability distribution it is sampling. I next present the Bose-Fermi Auxiliary-Field Quantum Monte Carlo algorithm. This algorithm generalizes the well-known Auxiliary-Field Quantum Monte Carlo algorithm for fermions to bosons and Bose-Fermi mixtures. Despite some shortcomings, the Bose-Fermi Auxiliary-Field Quantum Monte Carlo algorithm represents the first exact technique capable of studying Bose-Fermi mixtures of any size in any dimension. In Chapter Six, I describe a new Constant Stress Path Integral Monte Carlo algorithm for the study of quantum mechanical systems under high pressures. While the eventual hope is to apply this algorithm to the exploration of yet unidentified high-pressure, low-temperature phases of hydrogen, I employ this algorithm to determine whether or not quantum hard spheres can form a low-temperature bcc solid if exchange is not taken into account. In the final chapter of this thesis, I use Path Integral Monte Carlo once again to explore whether glassy para-hydrogen exhibits superfluidity. Physicists have long searched for ways to coax hydrogen into becoming a superfluid. I present evidence that, while glassy hydrogen does not crystallize at the temperatures at which hydrogen might become a superfluid, it nevertheless does not exhibit superfluidity. This is because the average binding energy per p-H2 molecule poses a severe barrier to exchange regardless of whether the system is crystalline. All in all, this work extends the reach of Quantum Monte Carlo methods to new systems and brings the power of existing methods to bear on new problems.
Systematic construction of scarred many-body dynamics in 1D lattice models
Creators: name: Bull, Kieran
name: Martin, Ivar
name: Papić, Z.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce a family of non-integrable 1D lattice models that feature robust periodic revivals under a global quench from certain initial product states, thus generalizing the phenomenon of many-body scarring recently observed in Rydberg atom quantum simulators. Our construction is based on a systematic embedding of the single-site unitary dynamics into a kinetically-constrained many-body system. We numerically demonstrate that this construction yields new families of models with robust wave-function revivals, and it includes kinetically-constrained quantum clock models as a special case. We show that scarring dynamics in these models can be decomposed into a period of nearly free clock precession and an interacting bottleneck, shedding light on their anomalously slow thermalization when quenched from special initial states.
description: Minor updates, new results in Supplementary Material
Additional file 1: of STepped exercise program for patients with knee OsteoArthritis (STEP-KOA): protocol for a randomized controlled trial
Creators: name: Allen, Kelli
name: Bongiorni, Dennis
name: Caves, Kevin
name: Coffman, Cynthia
name: Floegel, Theresa
name: Greysen, Heather
name: Hall, Katherine
name: Heiderscheit, Bryan
name: Hoenig, Helen
name: Huffman, Kim
name: Morey, Miriam
name: Ramasunder, Shalini
name: Severson, Herbert
name: Smith, Battista
name: Houtven, Courtney Van
name: Woolson, Sandra
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Physiology
subject: Ecology
subject: Developmental Biology
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Attention Control Intervention Materials. (PDF 544 kb)
Functional Evolution of Free Quantum Fields
Creators: name: Torre, C. G.
name: Varadarajan, M.
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider the problem of evolving a quantum field between any two (in general, curved) Cauchy surfaces. Classically, this dynamical evolution is represented by a canonical transformation on the phase space for the field theory. We show that this canonical transformation cannot, in general, be unitarily implemented on the Fock space for free quantum fields on flat spacetimes of dimension greater than 2. We do this by considering time evolution of a free Klein-Gordon field on a flat spacetime (with toroidal Cauchy surfaces) starting from a flat initial surface and ending on a generic final surface. The associated Bogolubov transformation is computed; it does not correspond to a unitary transformation on the Fock space. This means that functional evolution of the quantum state as originally envisioned by Tomonaga, Schwinger, and Dirac is not a viable concept. Nevertheless, we demonstrate that functional evolution of the quantum state can be satisfactorily described using the formalism of algebraic quantum field theory. We discuss possible implications of our results for canonical quantum gravity.
description: 21 pages, RevTeX, minor improvements in exposition, to appear in Classical and Quantum Gravity
Ashburnham furnace in the early 18th century
Creators: name: King, P W
Publisher: name: Archaeology Data Service
Year: 2021

description: Sussex Archaeological Collections, 133, 255-262
description: Ashburnham furnace was not (as has been reported) let in 1709 to John Hanbury and Ambrose Crowley, but to the (Foley) Forest Partnership from the Forest of Dean (Gloucestershire). Their managing partner was William Rea, the probable compiler of the well-known list of ironworks in the Fuller manuscripts. Their production at Ashburnham was on a scale comparable with their Gloucestershire furnaces, and rather larger than then usual in the Weald. Its products were marketed unusually widely, and included firebacks sold in London, hammers and anvils sold for use in forges in the Midlands and south Wales, pig-iron and blooms sold to their Midlands partners; Winlaton Mill in Durham, Carburton Forge in Nottinghamshire, and several Wealden forges were also customers. The business was transferred to its resident manager, Thomas Hussey, probably with partners, about 1717 and they went on to acquire further ironworks. These became the basis of the gunfounding business the 1750s. Ashburnham Furnace was leased to the Crowleys in the late 1730s, however, probably initially to supply their works near Newcastle.
Utilization of reclamation habitats by birds within the Highland Valley copper operating area, Logan Lake, British Columbia
Creators: name: Howie, Richard
Publisher: name: The University of British Columbia
Year: 2009

description: Highland Valley Copper operates a copper and molybdenum mining complex southwest of Kamloops, British Columbia in the southern interior of the province. This paper reports on a reconnaissance level survey to document the response by the bird community to the mining and reclamation initiatives. A total of 2758 observations were made of birds using habitats within the operating area. These observations comprised 13,547 individual birds representing 160 species. To date, 44% of the regularly-occurring species in British Columbia have been found within the study area. 115 species were observed using habitats resulting from mining disturbance and reclamation while 45 species were found only in native habitats remaining undisturbed by mining. Utilization of 24 wetland complexes including tailings and seepage ponds as well as 4 pit lakes is discussed. Species use of reclamation grasslands established on rock dumps and tailings is documented.
Novel Regulatory Mechanisms of Cytoplasmic Dynein: A Role for the Complex Base
Creators: Weil, Sarah J.
Publisher: name: Columbia University
Year: 2013
Subjects: Biology
Biochemistry

description: Cytoplasmic dynein is unique among cellular motors not only in its size and complexity but also its diversity of functions. It is essential for many mitotic and interphase transport processes and its misregulation or malfunction results in devastating neurological disorders. Over 20 years of research in the field has identified many recruitment and regulatory factors, with dynactin and NudE/L-Lis1 being the most ubiquitous and well described. Additionally we have recently gained detailed, high-resolution structures of the dynein motor domain and models for dynein stepping and mechanochemistry based on single molecule studies. Despite this progress, little is known about the structure and coordination of functions at the base of the dynein complex, where nearly all interactions with regulatory and recruitment proteins occur. The studies herein examine two mechanisms of regulation that occur through dynein's base. First we probe the contribution of the light chains to dynein function, structure and interaction with regulators. Second we identify a novel mechanism by which dynactin increases dynein run length solely via interactions with the intermediate chain. These findings represent the new frontier in the dynein field as investigators increasingly recognize the importance of long-range dynein regulatory mechanisms.
Anisotropic Magnetoresistance in Multiband Systems: 2DEGs and Polar Metals at Oxide Interfaces
Creators: name: Boudjada, Nazim
name: Khait, Ilia
name: Paramekanti, Arun
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Low density two-dimensional electron gases (2DEGs) with spin-orbit coupling are highly sensitive to an in-plane magnetic field, which impacts their Fermi surfaces and transport properties. Such 2DEGs, formed at transition metal oxide surfaces or interfaces, can also undergo surface phase transitions leading to polar metals which exhibit electronic nematicity. Motivated by experiments on such systems, we theoretically study magnetotransport in $t_{2g}$ orbital systems, using Hamiltonians which include atomic spin-orbit coupling (SOC) and broken inversion symmetry, for both square symmetry (001) and hexagonal symmetry (111) 2DEGs. Using a numerical solution to the full multiband matrix-Boltzmann equation, together with insights gleaned from the impurity scattering overlap matrix, we explore the anisotropic magnetoresistance (AMR) in the presence of impurities which favor small momentum scattering. We find that transport in the (001) 2DEG is dominated by a single pair of bands, weakly coupled by impurity scattering, one of which has a larger Fermi velocity while the other provides an efficient current-relaxation mechanism. This leads to strong angle-dependent current damping and a large AMR with many angular harmonics. In contrast, AMR in the (111) 2DEG typically features a single $\cos(2\vartheta)$ harmonic, with the angle-averaged magnetoresistance being highly tunable by a symmetry-allowed trigonal distortion. We also explore how the (111) 2DEG Fermi sufaces are impacted by electronic nematicity via a surface phase transition into a 2D polar metal for which we discuss a Landau theory, and show that this leads to distinct symmetry components and higher angular harmonics in the AMR. Our results are in qualitative agreement with experiments from various groups for 2DEGs at the SrTiO$_3$ surface or the LaAlO$_3$-SrTiO$_3$ interface.
description: 14 pages, 22 figures
Ardea flavimana Sundevall 1850
Creators: name: Dean, W. Richard J.
name: Åhlander, Erik
name: Johansson, Ulf S.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Aves
Pelecaniformes
Ardeidae
Ardea
Ardea flavimana

description: Ardea flavimana Sundevall, 1850: 111.
 VERBATIM TYPE LOCALITY: “ in Caffraria superiore (ad Mooje revier) ”
 CURRENT STATUS: Synonym of Egretta ardesiaca (Wagler, 1827); Ardeidae (Dickinson & Remsen 2013:190)
TYPE MATERIAL: Sundevall, in his original description (1850: 111) gave data for the female only and stated that data for the male is not known. According to Sundevall’s acquisition catalogue he had access to two females. Gyldenstolpe (1926: 98–99) referred to NRM 569857 [7943] as “type”, which we treat as a lectotype designation of this adult female collected 22 October 1844 near Potchefstroom. Paralectotype: NRM 90148449 [7942], an adult female collected 12 October 1844 near Potchefstroom.
VERIFIED TYPE LOCALITY: Mooi River, near Potchefstroom, North West Province, South Africa.
description: Published as part of Dean, W. Richard J., Åhlander, Erik & Johansson, Ulf S., 2022, Avian type localities and the type specimens collected by Johan August Wahlberg in southern Africa, pp. 521-560 in Zootaxa 5134 (4) on page 527, DOI: 10.11646/zootaxa.5134.4.3, http://zenodo.org/record/6541737
Origin of the flat band in heavily Cs doped graphene
Creators: name: Ehlen, N.
name: Hell, M.
name: Marini, G.
name: Hasdeo, E. H.
name: Saito, R.
name: Di Santo, G.
name: Petaccia, L.
name: Profeta, G.
name: Grüneis, A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A flat energy dispersion of electrons at the Fermi level of a material leads to instabilities in the electronic system and can drive phase transitions. Here we introduce a method to induce a flat band in two-dimensional (2D) materials. We show that the flat band can be achieved by sandwiching the 2D material by two cesium (Cs) layers. We apply this method to monolayer graphene and investigate the flat band by a combination of angle-resolved photoemission spectroscopy experiment and the calculation. Our work highlights that charge transfer, zone folding of graphene bands and the covalent bonding between C and Cs atoms are at the origin of the flat energy band formation. The presented approach is an alternative route for obtaining flat band materials to twisting bilayer graphene which yields thermodynamically stable flat band materials in large areas.
description: 22 pages, 4 Figures
Additional file 11: of Transcriptome Analysis of Gene Families Involved in Chemosensory Function in Spodoptera littoralis (Lepidoptera: Noctuidae)
Creators: name: Walker, William
name: Roy, Amit
name: Anderson, Peter
name: Schlyter, Fredrik
name: Hansson, Bill
name: Larsson, Mattias
Publisher: name: figshare
Year: 2019
Subjects: subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Neuroscience
subject: Physiology
subject: Evolutionary Biology
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Maximum likelihood cladogram of candidate SlitOBP sequences with other lepidopteran OBP sequences. Unrooted. Includes sequences from S. littoralis (Slit), Heliconius melpomene (Hmel) and Bombyx mori (Bmor). Branches containing “Plus-C” subfamily OBPs are colored green; branches containing “Minus-C” subfamily OBPs are colored blue; branches containing putative pheromone binding proteins (PBPs) and general odorant binding proteins (GOBPs) are colored orange; S. littoralis OBPs are indicated with a larger bold font, and novel S. littoralis OBPs are marked with a “•”. Node support was assessed with 600 bootstrap replicates and values greater than 70% are shown. (PDF 368 kb)
Voltage Distribution in Growing Conducting Networks
Creators: name: Tadic, Bosiljka
name: Priezzhev, Vyatcheslav
Publisher: name: arXiv
Year: 2002
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate by random-walk simulations and a mean-field theory how growth by biased addition of nodes affects flow of the current through the emergent conducting graph, representing a digital circuit. In the interior of a large network the voltage varies with the addition time $s
Additional file 1: of 3D vs. 4K Display System - Influence of “State-of-the-art”-Display Technique On Surgical Performance (IDOSP-Study) in minimally invasive surgery: protocol for a randomized cross-over trial
Creators: name: Wahba, Roger
name: Datta, Rabi
name: Hedergott, Andrea
name: Bußhoff, Jana
name: Bruns, Thomas
name: Kleinert, Robert
name: Dieplinger, Georg
name: Fuchs, Hans
name: Giezelt, Caroline
name: Möller, Desdemona
name: Hellmich, Martin
name: Bruns, Christiane
name: Stippel, Dirk
Publisher: name: figshare
Year: 2019
Subjects: Medicine
Science Policy

description: SPIRIT 2013 checklist: recommended items to address in a clinical trial protocol and related documents. (DOC 122 kb)
Qualitative Viscous Cosmology
Creators: name: Coley, A. A.
name: Hoogen, R. J. van den
name: Maartens, R.
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The Full (non--truncated) Israel--Stewart theory of bulk viscosity is applied to dissipative FRW spacetimes. Dimensionless variables and dimensionless equations of state are used to write the Einstein--thermodynamic equations as a plane autonomous system and the qualitative behaviour of this system is determined. Entropy production in these models is also discussed.
description: 13 pages, REVTeX, accepted for publication in Physical Review D
Microcarbo coronatus
Creators: name: Dean, W. Richard J.
name: Åhlander, Erik
name: Johansson, Ulf S.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Aves
Pelecaniformes
Phalacrocoracidae
Microcarbo
Microcarbo coronatus

description: Graculus coronatus Wahlberg, 1855: 214.
 VERBATIM TYPE LOCALITY: “ Ad insulas Possession & c. sat frequens ”
 CURRENT STATUS: Microcarbo coronatus (Wahlberg, 1855/1856); Phalacrocoracidae (Dickinson & Remsen 2013:195)
TYPE MATERIAL: Wahlberg, in his original description (1855: 214), gave data for both males and females. According to Sundevall’s acquisition journal, seven specimens were received in Stockholm after Wahlberg’s death. Gyldenstolpe (1926: 96) referred to NRM 569853 [11826] as “type”, which we treat as a lectotype designation of this adult male collected 30 March 1854 on Penguin Island, according to the label in Gyldenstolpe’s hand. The six paralectotypes are: NRM 90101901 [11822], a female collected 30 March 1854 on Possession Island; NRM 90101900 [11823], a young male collected 6 April 1854 on Penguin Island; NRM 554497 [11824], a male pullus collected 11 April 1854 on Ichaboe Island; NRM 90101902 [11828], a male collected 9 April 1854 at Halifax Island; NRM 536790 [11825], an adult female collected 30 March 1854 on Penguin Island; and UMB 9677 [11827], an adult male collected 11 April 1854 on Ichaboe Island sent on exchange to Bremen in 1858.
VERIFIED TYPE LOCALITY: Possession Island, Namibia.
 COMMENTS: Gyldenstolpe (1926) repeated the TL given in the type description without question, but noted that the type specimen was collected at Penguin Island. However, based on the date on which the lectotype was collected, the TL should be Possession Island. On 30 March, Wahlberg collected at least one specimen of Microcarbo coronatus at Possession Island. This is confirmed by the “original” label that still remains on the skin. The name of the island is very difficult to read, but it most closely resembles “Possession Island” and not “Penguin Island”. The original label on the type specimen of Graculus coronatus Wahlberg is missing but the replacement label is dated 30 March 1854, with the locality Penguin Island. There are no other old labels on any specimen that would confirm the dates for Wahlberg’s visit to Penguin Island but there are four specimens with replacement labels, three of which have the locality Penguin Island on 4 April, the other 6 April. We consider it most likely that Penguin Island on the replacement label is a misreading of Possession Island because in Wahlberg’s original description of the species in Översigt af Kong. Vetenskaps-akademiens förhandlingar (1855) he wrote “ Ad insulas Possession & c. sat frequens.” (= on Possession Island and fairly frequent).
description: Published as part of Dean, W. Richard J., Åhlander, Erik & Johansson, Ulf S., 2022, Avian type localities and the type specimens collected by Johan August Wahlberg in southern Africa, pp. 521-560 in Zootaxa 5134 (4) on page 527, DOI: 10.11646/zootaxa.5134.4.3, http://zenodo.org/record/6541737
Random Matrix Elements and Eigenfunctions in Chaotic Systems
Creators: name: Hortikar, Sanjay
name: Srednicki, Mark
Publisher: name: arXiv
Year: 1997
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The expected root-mean-square value of a matrix element $A_{αβ}$ in a classically chaotic system, where $A$ is a smooth, $\hbar$-independent function of the coordinates and momenta, and $α$ and $β$ label different energy eigenstates, has been evaluated in the literature in two different ways: by treating the energy eigenfunctions as gaussian random variables and averaging $|A_{αβ}|^2$ over them; and by relating $|A_{αβ}|^2$ to the classical time-correlation function of $A$. We show that these two methods give the same answer only if Berry's formula for the spatial correlations in the energy eigenfunctions (which is based on a microcanonical density in phase space) is modified at large separations in a manner which we previously proposed.
description: 7 pages, no figures, RevTeX
Localisation in 2+1 dimensional SU(3) pure gauge theory at finite temperature
Creators: name: Giordano, Matteo
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: I study the localisation properties of low Dirac eigenmodes in 2+1 dimensional SU(3) pure gauge theory, both in the low-temperature, confined and chirally-broken phase and in the high-temperature, deconfined and chirally-restored phase, by means of numerical lattice simulations. While these modes are delocalised at low temperature, they become localised at high temperature, up to a critical point in the Dirac spectrum where a BKT-type Anderson transition takes place. All results point to localisation appearing at the deconfinement temperature, and support previous expectations about the close relation between deconfinement, chiral symmetry breaking, and localisation.
description: 1+33 pages, 16 figures; several minor changes (typos fixed, a few remarks and extra references added); matches published version
Degenerate Odd Poisson Bracket on Grassmann Variables
Creators: name: Soroka, V. A.
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Group Theory (math.GR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: A linear degenerate odd Poisson bracket (antibracket) realized solely on Grassmann variables is presented. It is revealed that this bracket has at once three nilpotent $Δ$-like differential operators of the first, the second and the third orders with respect to the Grassmann derivatives. It is shown that these $Δ$-like operators together with the Grassmann-odd nilpotent Casimir function of this bracket form a finite-dimensional Lie superalgebra.
description: 5 pages, LATEX. Corrections of misprints. The relation (23) is added
pyLLE: a Fast and User Friendly Lugiato-Lefever Equation Solver
Creators: name: Moille, Gregory
name: Li, Qing
name: Lu, Xiyuan
name: Srinivasan, Kartik
Publisher: name: arXiv
Year: 2019
Subjects: subject: Mathematical Software (cs.MS)
subject: Optics (physics.optics)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: We present the development of pyLLE, a freely accessible and cross-platform Lugiato-Lefever equation solver programmed in Python and Julia and optimized for the simulation of microresonator frequency combs. Examples illustrating its operation, the simplicity of use, and performance against other programming language are presented. The documentation of the software can be found at https://gregmoille.github.io/pyLLE/
Novel Small-RNA Mediated Gene Regulatory Mechanisms for Long-Term Memory
Creators: Rajasethupathy, Priyamvada
Publisher: name: Columbia University
Year: 2012
Subjects: subject: Neurosciences
subject: FOS: Clinical medicine

description: Memory storage and memory-related synaptic plasticity rely on precise spatiotemporal regulation of gene expression. To explore the role of small RNAs in memory-related synaptic plasticity we carried out massive parallel sequencing to profile the small RNAs of  Aplysia. We identified 170 distinct 21-23 nt sized miRNAs, 13 of which were novel and specific to Aplysia. Nine miRNAs were brain-enriched, and several of these were rapidly down-regulated by transient exposure to serotonin, a modulatory neurotransmitter released during learning. Two abundant, and conserved brain-specific miRNAs, miR-124 and miR-22 were exclusively present pre-synaptically in a sensory-motor synapse where they constrain synaptic facilitation through regulation of the transcriptional factor CREB1 and translation factor CPEB respectively. We therefore provide the first evidence that a modulatory neurotransmitter important for learning can regulate the levels of small RNAs and present a novel role for miR-124 and miR-22 in long-term plasticity of synapses in the mature nervous system. While mining the small RNA libraries for miRNAs, we discovered an unexpected and abundant expression in brain of a 28-nt sized class of piRNAs, which had been thought to be germ-line specific. These piRNAs have unique biogenesis patterns and predominant nuclear localization. Moreover, we find that whereas miRNAs are down-regulated by exposure to serotonin, piRNAs are up-regulated. Importantly, we find that the piwi/piRNA complex facilitates serotonin-dependent methylation of a conserved CpG island in the promoter of CREB2, the major inhibitory constraint of memory in Aplysia, leading to the persistence of long-term synaptic facilitation. Taken together, these findings provide a new serotonin-dependent,  bidirectional, small-RNA mediated gene regulatory mechanism during plasticity where miRNAs provide translational control and piRNAs provide long-lasting transcriptional control for the persistence of memory.
Selenium source characterization and receiving environment monitoring at the Kemess South Mine
Creators: name: Davidson, Scott Charles
name: Chapman, Peter M.
Publisher: name: The University of British Columbia
Year: 2009

description: The Non Acid Generating (NAG) Waste Rock Dump (WRD) for the minesite covers an area of approximately 147.5 ha. Selenium concentrations in Waste Rock Creek have been fluctuating above and below the BC Approved Water Quality Objectives for selenium since early 2001 with consistent exceedences of this objective since Fall 2003. Selenium was identified as a metal of concern by the BC Ministry of Environment (MOE) during a review of the 2004 Annual Water Quality report. This paper describes the geochemical test work conducted to characterize the Leach Cap Waste and the physical setting of this material within the WRD. Discussion of the WRD seep chemistry and drainage management controls currently in place are presented in addition to the potential closure scenarios to mitigate long-term selenium concentrations in the WRD drainage. The Selenium Monitoring Plan prepared for Kemess Mines by Golder Associates Ltd. to address MOE concerns associated with this metal is presented. The Plan was submitted for review by MOE during January 2006 with implementation scheduled for Fall 2006.
The Excavation of an Oval Mound and a Round Barrow at Slindon, West Sussex, 1976
Creators: name: Drewett, P
Publisher: name: Archaeology Data Service
Year: 2021

description: Sussex Archaeological Collections, 116, 257-259
description: In an attempt to establish the nature of one of two oval mounds near the Neolithic causewayed enclosure at Barkhale, two trenches were dug across it. Both indicated that it was an entirely natural mound of Clay-with-Flints. As one end of the mound had been cut off to make a small round barrow, two further trenches were excavated in an inconclusive attempt to date the barrow
On the geometric boundaries of hyperbolic 4-manifolds
Creators: name: Long, Darren D.
name: Reid, A. W.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57R90, 57M50

description: We provide, for hyperbolic and flat 3-manifolds, obstructions to bounding hyperbolic 4-manifolds, thus resolving in the negative a question of Farrell and Zdravkovska.
description: 8 pages. Published copy, also available at http://www.maths.warwick.ac.uk/gt/GTVol4/paper5.abs.html
On the relation between the connection and the loop representation of quantum gravity
Creators: name: De Pietri, Roberto
Publisher: name: arXiv
Year: 1996
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Using Penrose binor calculus for $SU(2)$ ($SL(2,C)$) tensor expressions, a graphical method for the connection representation of Euclidean Quantum Gravity (real connection) is constructed. It is explicitly shown that: {\it (i)} the recently proposed scalar product in the loop-representation coincide with the Ashtekar-Lewandoski cylindrical measure in the space of connections; {\it (ii)} it is possible to establish a correspondence between the operators in the connection representation and those in the loop representation. The construction is based on embedded spin network, the Penrose graphical method of $SU(2)$ calculus, and the existence of a generalized measure on the space of connections modulo gauge transformations.
description: 19 pages, ioplppt.sty and epsfig.sty
Phalacrocorax neglectus
Creators: name: Dean, W. Richard J.
name: Åhlander, Erik
name: Johansson, Ulf S.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Aves
Suliformes
Phalacrocoracidae
Phalacrocorax
Phalacrocorax neglectus

description: Graculus neglectus Wahlberg, 1855: 214.
 VERBATIM TYPE LOCALITY: “ Ad insulas orae occidentalis Africae meridionalis, ut Possession, Halifax, Ichaboe & c. sat frequens. ”
 CURRENT STATUS: Phalacrocorax neglectus (Wahlberg, 1855/1856?); Phalacrocoracidae (Dickinson & Remsen 2013: 197).
 TYPE MATERIAL: From Wahlberg’s original description (1855: 214) it is obvious that he had several specimens (“ sat frequens ”) of both sexes and at different ages for study. AccordingtoSundevall’sacquisitioncatalogueseven specimenswerereceivedin1857 from South Africa after Wahlberg’s death. Gyldenstolpe (1926: 96) referred to NRM 569893 [11817] as “type”, here treated as a lectotype designation of this male collected 11 April 1854 on Ichaboe Island. The six paralectotypes are: NRM 90101844 [11815], a male collected 11 April 1854 on Ichaboe Island; NRM 536788 [11818], a mount of a juvenile male collected 11 April 1854 on Ichaboe Island; NRM 90101846 [11819], a juvenile female collected 4 Apr 1854 on Penguin Island; NRM 90200198 [11820], a juvenile female collected 4 Apr 1854 on Penguin Island; NRM 554496 [11821], a pullus collected 11 Apr 1854 on Ichaboe Island; and UMB 9678 [11816], a male, data unknown, sent on exchange to Bremen in 1858.
VERIFIED TYPE LOCALITY: Ichaboe Island, Namibia.
COMMENTS: Locality and date appear to be correct.
description: Published as part of Dean, W. Richard J., Åhlander, Erik & Johansson, Ulf S., 2022, Avian type localities and the type specimens collected by Johan August Wahlberg in southern Africa, pp. 521-560 in Zootaxa 5134 (4) on pages 527-528, DOI: 10.11646/zootaxa.5134.4.3, http://zenodo.org/record/6541737
Pattern forming instability induced by light in pure and dye-doped nematic liquid crystals
Creators: name: Krimer, D. O.
name: Demeter, G.
name: Kramer, L.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We study theoretically the instabilities induced by a linearly polarized ordinary light wave incident at a small oblique angle on a thin layer of homeotropically oriented nematic liquid crystal with special emphasis on the dye-doped case. The spatially periodic Hopf bifurcation that occurs as the secondary instability after the stationary Freedericksz transition is analyzed.
description: 8 pages, 7 figures, LaTeX, accepted to Phys. Rev. E
Current trends in axiomatic quantum field theory
Creators: name: Buchholz, Detlev
Publisher: name: arXiv
Year: 1998
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In this article a non--technical survey is given of the present status of Axiomatic Quantum Field Theory and interesting future directions of this approach are outlined. The topics covered are the universal structure of the local algebras of observables, their relation to the underlying fields and the significance of their relative positions. Moreover, the physical interpretation of the theory is discussed with emphasis on problems appearing in gauge theories, such as the revision of the particle concept, the determination of symmetries and statistics from the superselection structure, the analysis of the short distance properties and the specific features of relativistic thermal states. Some problems appearing in quantum field theory on curved spacetimes are also briefly mentioned. (Talk given at Ringberg Symposium on Quantum Field Theory, Ringberg Castle, June 1998)
description: 22 pages, Latex, (changes: completion of sentence in first paragraph of Sec. 8)
Curvature and symmetry of Milnor spheres
Creators: name: Grove, Karsten
name: Ziller, Wolfgang
Publisher: name: arXiv
Year: 2000
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: In this paper we explore the geometry and topology of cohomogeneity one manifolds, i.e. manifolds with a group action whose principal orbits are hypersurfaces. We show that the principal group action of every principal SO(3) and SO(4) bundle over S^4 extends to a cohomogeneity one action. As a consequence we prove that every vector bundle and every sphere bundle over S^4 has a complete metric with non-negative curvature. It is well known that 15 of the 27 exotic spheres in dimension 7 can be written as S^3 bundles over S^4 in infinitely many ways, and hence we obtain infinitely many non-negatively curved metrics on these exotic spheres. A further consequence will be that there are infinitely many almost free actions by SO(3) on S^7, i.e. all isotropy groups are finite. These actions preserve the Hopf fibration S^3 -> S^7 -> S^4 but do not extend to the disc D^8. We also construct infinitely many such actions on the 15 exotic 7-spheres mentioned above.
description: 37 pages, published version, abstract taken from the Hopf topology archive