cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Experimental Quantum Simulation of Dynamic Localization on Curved Photonic Lattices
Creators: name: Tang, Hao
name: Wang, Tian-Yu
name: Shi, Zi-Yu
name: Feng, Zhen
name: Wang, Yao
name: Shang, Xiao-Wen
name: Gao, Jun
name: Jiao, Zhi-Qiang
name: Li, Zhan-Ming
name: Chang, Yi-Jun
name: Zhou, Wen-Hao
name: Lu, Yong-Heng
name: Yang, Yi-Lin
name: Ren, Ruo-Jing
name: Qiao, Lu-Feng
name: Jin, Xian-Min
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Dynamic localization, which originates from the phenomena of particle evolution suppression under an externally applied AC electric field, has been simulated by suppressed light evolution in periodically-curved photonic arrays. However, experimental studies on their quantitative dynamic transport properties and application for quantum information processing are rare. Here we fabricate one-dimensional and hexagonal two-dimensional arrays, both with sinusoidal curvature. We successfully observe the suppressed single-photon evolution patterns, and for the first time measure the variances to study their transport properties. For one-dimensional arrays, the measured variances match both the analytical electric field calculation and the quantum walk Hamiltonian engineering approach. For hexagonal arrays, as anisotropic effective couplings in four directions are mutually dependent, the analytical approach suffers, while quantum walk conveniently incorporates all anisotropic coupling coefficients in the Hamiltonian and solves its exponential as a whole, yielding consistent variances with our experimental results. Furthermore, we implement a nearly complete localization to show that it can preserve both the initial injection and the wave-packet after some evolution, acting as a memory of a flexible time scale in integrated photonics. We demonstrate a useful quantum simulation of dynamic localization for studying their anisotropic transport properties, and a promising application of dynamic localization as a building block for quantum information processing in integrated photonics.
description: 4 figures
Synthesis of sandwiched composite nanomagnets by epitaxial growth of Fe3O4 layers on SrFe10Cr2O19 nanoplates in high-boiling organic solvent
Creators: name: Anokhin, Evgeny O.
name: A. Deyankov, Danila
name: Xia, Zitian
name: S. Kozlyakova, Ekaterina
name: LEBEDEV, VASILY
name: Morozov, Anatolii
V.
name: Kozlov, Daniil A.
name: R. Nygaard, Roy
name: I. Petukhov, Dmitry
name: Trusov, Lev A.
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 40
subject: Engineering

description: Herein, we demonstrate the synthesis of sandwiched composite nanomagnets, which consist of hard magnetic Cr-substituted hexaferrite cores and magnetite outer layers. The hexaferrite plate-like nanoparticles, with average dimensions of 36.3 nm × 5.2 nm, were prepared via a glass crystallization method and were covered by spinel-type iron oxide via thermal decomposition of iron acetylacetonate in a hexadecane solution. The hexaferrite nanoplates act as seeds for the epitaxial growth of the magnetite, which results in uniform continuous outer layers on both sides. The thickness of the layers can be adjusted by controlling the concentration of metal ions. In this way, layers with an average thickness of 3.7 and 4.9 nm were obtained. Due to an atomically smooth interface, the magnetic composites demonstrate the exchange coupling effect, acting as single phases during remagnetization. The developed approach can be applied to any spinel-type material with matching lattice parameters and opens the way to expand the performance of hexaferrite nanomagnets due to a combination of various functional properties.
A t-out-of-n Redactable Signature Scheme
Creators: name: Tezuka, Masayuki
name: Su, Xiangyu
name: Tanaka, Keisuke
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: A redactable signature scheme allows removing parts of a signed message without invalidating the signature. Currently, the need to prove the validity of digital documents issued by governments and enterprises is increasing. However, when disclosing documents, governments and enterprises must remove privacy information concerning individuals. A redactable signature scheme is useful for such a situation. In this paper, we introduce the new notion of the t-out-of-n redactable signature scheme. This scheme has a signer, n redactors, a combiner, and a verifier. The signer designates n redactors and a combiner in advance and generates a signature of a message M. Each redactor decides parts that he or she wants to remove from the message and generates a piece of redaction information. The combiner collects pieces of redaction information from all redactors, extracts parts of the message that more than t redactors want to remove, and generate a redacted message. We consider the one-time redaction model which allows redacting signatures generated by the signer only once. We formalize the one-time redaction t-out-of-n redactable signature scheme, define security, and give a construction using the pairing based aggregate signature scheme in the random oracle model.
Approximate Metric for a Rotating Deformed Mass
Creators: name: Frutos-Alfaro, Francisco
name: Montero-Camacho, Paulo
name: Araya-Arguedas, Miguel
name: Bonatti-Gonzalez, Javier
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: A new Kerr-like metric with quadrupole moment is obtained by means of perturbing the Kerr spacetime. The form of this new metric is simple as the Kerr metric. By comparison with the exterior Hartle-Thorne metric, it is shown that it could be matched to an interior solution. This approximate metric may represent the spacetime of a real astrophysical object with any Kerr rotation parameter a and slightly deformed.
description: arXiv admin note: substantial text overlap with arXiv:1401.0866
Scalable and Privacy-Focused Company-Centric Supply Chain Management
Creators: name: Wagner, Eric
name: Matzutt, Roman
name: Pennekamp, Jan
name: Bader, Lennart
name: Bajelidze, Irakli
name: Wehrle, Klaus
name: Henze, Martin
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Blockchain technology promises to overcome trust and privacy concerns inherent to centralized information sharing. However, current decentralized supply chain management systems do either not meet privacy and scalability requirements or require a trustworthy consortium, which is challenging for increasingly dynamic supply chains with constantly changing participants. In this paper, we propose CCChain, a scalable and privacy-aware supply chain management system that stores all information locally to give companies complete sovereignty over who accesses their data. Still, tamper protection of all data through a permissionless blockchain enables on-demand tracking and tracing of products as well as reliable information sharing while affording the detection of data inconsistencies. Our evaluation confirms that CCChain offers superior scalability in comparison to alternatives while also enabling near real-time tracking and tracing for many, less complex products.
description: IEEE ICBC'22
Modes of asymmetry: the application of harmonic analysis to symmetric quantum dynamics and quantum reference frames
Creators: name: Marvian, Iman
name: Spekkens, Robert W.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: Group Theory (math.GR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Finding the consequences of symmetry for open system quantum dynamics is a problem with broad applications, including describing thermal relaxation, deriving quantum limits on the performance of amplifiers, and exploring quantum metrology in the presence of noise. The symmetry of the dynamics may reflect a symmetry of the fundamental laws of nature, a symmetry of a low-energy effective theory, or it may describe a practical restriction such as the lack of a reference frame. In this paper, we apply some tools of harmonic analysis together with ideas from quantum information theory to this problem. The central idea is to study the decomposition of quantum operations---in particular, states, measurements and channels---into different modes, which we call modes of asymmetry. Under symmetric processing, a given mode of the input is mapped to the corresponding mode of the output, implying that one can only generate a given output if the input contains all of the necessary modes. By defining monotones that quantify the asymmetry in a particular mode, we also derive quantitative constraints on the resources of asymmetry that are required to simulate a given asymmetric operation. We present applications of our results for deriving bounds on the probability of success in nondeterministic state transitions, such as quantum amplification, and a simplified formalism for studying the degradation of quantum reference frames.
description: 23 pages, 2 figures, Typos corrected
title: La prévention de l'épuisement chez les proches aidants de patients souffrant d'insuffisance cardiaque
title: La prévention de l'épuisement chez les proches aidants de patients souffrant d'insuffisance cardiaque
titleType: AlternativeTitle
Creators: name: Pfister, Serena
Publisher: name: Unknown
Year: 0

description: En Suisse il y a de nombreuses personnes consacrant de leur temps à un proche malade, il s’agit des proches aidants. Ces derniers n’ont pas une vie facile, notamment dans un contexte d’insuffisance cardiaque. En effet, la qualité de vie des proches aidants n’est souvent pas optimale de par le fardeau lié aux nombreuses tâches qu’ils doivent assurer, pouvant les amener jusqu’à l’épuisement.
SHORTSTACK: Distributed, Fault-tolerant, Oblivious Data Access
Creators: name: Vuppalapati, Midhul
name: Babel, Kushal
name: Khandelwal, Anurag
name: Agarwal, Rachit
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Many applications that benefit from data offload to cloud services operate on private data. A now-long line of work has shown that, even when data is offloaded in an encrypted form, an adversary can learn sensitive information by analyzing data access patterns. Existing techniques for oblivious data access-that protect against access pattern attacks-require a centralized and stateful trusted proxy to orchestrate data accesses from applications to cloud services. We show that, in failure-prone deployments, such a centralized and stateful proxy results in violation of oblivious data access security guarantees and/or system unavailability. We thus initiate the study of distributed, fault-tolerant, oblivious data access. We present SHORTSTACK, a distributed proxy architecture for oblivious data access in failure-prone deployments. SHORTSTACK achieves the classical obliviousness guarantee--access patterns observed by the adversary being independent of the input--even under a powerful passive persistent adversary that can force failure of arbitrary (bounded-sized) subset of proxy servers at arbitrary times. We also introduce a security model that enables studying oblivious data access with distributed, failure-prone, servers. We provide a formal proof that SHORTSTACK enables oblivious data access under this model, and show empirically that SHORTSTACK performance scales near-linearly with number of distributed proxy servers.
description: Full version of USENIX OSDI'22 paper
Likelihood of Enhancing Self-Confidence of Emotional Intelligence Instructional Package: Academic Staff of Public Colleges of Education Using Towards Effective Job Performance
Creators: name: Ajayi, PhD, FRHD, Victor Oluwatosin
name: Uyeh, Terkula Daniel
Publisher: name: figshare
Year: 2023
Subjects: History and philosophy of education
Education policy, sociology and philosophy not elsewhere classified
Educational counselling
Counselling, wellbeing and community services
Counselling psychology
Applications in social sciences and education

description: Self-confidence is the perception of a person that he or she is capable to perform a specific task undermining any given situation. The study investigated the likelihood of enhancing self-confidence of academic staff of Public Colleges of Education using Emotional Intelligence Instructional Package (EIIP) toward effective job performance. The sample of this study was made up of 127 academic staff that were drawn from 3 public colleges of education in Benue State, Nigeria. This study adopted non-equivalent quasi-experimental research design. Self-Confidence Scale (SCS) was used for data Collection. The reliability value of SCS is 0.88 using Cronbach Alpha. Two research questions and two null hypotheses guided the study. The research questions were answered using mean and standard deviation scores while the hypotheses were tested at 0.05 level of significance using Analysis of Covariance. The study revealed that there is significant difference in the mean self-confidence rating between academics exposed to EIIP and those not exposed to EIIP in favour of those exposed to Emotional intelligence Package. It was recommended that, academics in public colleges of Education should be exposed to EIIP in other to enhance their self-confidence towards effective job performance.
Montgomery Ward Building
Creators: name: Addison, Robert William, 1924-
Publisher: name: Galter Health Science Library & Learning Center
Year: 2016

description: Oil painting of the Montgomery Ward Building. Commissioned by E. R. Squibb and Sons. Artist: Chicago native Robert W. Addison. Accompanying plaque (attached to frame) reads: Presented to Northwestern University Medical School by E. R. Squibb & Sons. Photo of framed painting housed in Galter Health Sciences Library, Feinberg School of Medicine, Northwestern University.
description: Part of the pharmaceutical firm's long-range plan to create a collection of original oil paintings representative of the medical schools of America. Presented by Mr. George Squibb, Vice-President of E. R. Squibb and Sons to President Miller and Dean Young at a luncheon on September 28, 1965 at the Pearson Hotel. (Source: Northwestern University Medical School Magazine 4(1): 18, January 1966)
From Understanding Genetic Drift to a Smart-Restart Mechanism for Estimation-of-Distribution Algorithms
Creators: name: Zheng, Weijie
name: Doerr, Benjamin
Publisher: name: arXiv
Year: 2022
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Estimation-of-distribution algorithms (EDAs) are optimization algorithms that learn a distribution on the search space from which good solutions can be sampled easily. A key parameter of most EDAs is the sample size (population size). If the population size is too small, the update of the probabilistic model builds on few samples, leading to the undesired effect of genetic drift. Too large population sizes avoid genetic drift, but slow down the process. Building on a recent quantitative analysis of how the population size leads to genetic drift, we design a smart-restart mechanism for EDAs. By stopping runs when the risk for genetic drift is high, it automatically runs the EDA in good parameter regimes. Via a mathematical runtime analysis, we prove a general performance guarantee for this smart-restart scheme. This in particular shows that in many situations where the optimal (problem-specific) parameter values are known, the restart scheme automatically finds these, leading to the asymptotically optimal performance. We also conduct an extensive experimental analysis. On four classic benchmark problems, we clearly observe the critical influence of the population size on the performance, and we find that the smart-restart scheme leads to a performance close to the one obtainable with optimal parameter values. Our results also show that previous theory-based suggestions for the optimal population size can be far from the optimal ones, leading to a performance clearly inferior to the one obtained via the smart-restart scheme. We also conduct experiments with PBIL (cross-entropy algorithm) on two combinatorial optimization problems from the literature, the max-cut problem and the bipartition problem. Again, we observe that the smart-restart mechanism finds much better values for the population size than those suggested in the literature, leading to a much better performance.
description: Extended version of our GECCO 2020 paper. This article supersedes arXiv:2004.07141
Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme
Creators: name: Tezuka, Masayuki
name: Tanaka, Keisuke
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: The Camenisch-Lysyanskaya signature scheme in CRYPTO 2004 is a useful building block to construct privacy-preserving schemes such as anonymous credentials, group signatures or ring signatures. However, the security of this signature scheme relies on the interactive assumption called the LRSW assumption. Even if the interactive assumptions are proven in the generic group model or bilinear group model, the concerns about these assumptions arise in a cryptographic community. This fact caused a barrier to the use of cryptographic schemes whose security relies on these assumptions. Recently, Pointcheval and Sanders proposed the modified Camenisch-Lysyanskaya signature scheme in CT-RSA 2018. This scheme satisfies the EUF-CMA security under the new q-type assumption called the Modified-q-Strong Diffie-Hellman-2 (q-MSDH-2) assumption. However, the size of a q- type assumptions grows dynamically and this fact leads to inefficiency of schemes. In this work, we revisit the Camenisch-Lysyanskaya signature-based synchronized aggregate signature scheme in FC 2013. This scheme is one of the most efficient synchronized aggregate signature schemes with bilinear groups. However, the security of this synchronized aggregate scheme was proven under the one-time LRSW assumption in the random oracle model. We give the new security proof for this synchronized aggregate scheme under the 1-MSDH-2 (static) assumption in the random oracle model with little loss of efficiency.
Post-Newtonian direct and mixed orbital effects due to the oblateness of the central body
Creators: name: Iorio, Lorenzo
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Geophysics (physics.geo-ph)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: The orbital dynamics of a test particle moving in the non-spherically symmetric field of a rotating oblate primary is impacted also by certain indirect, mixed effects arising from the interplay of the different Newtonian and post-Newtonian accelerations which induce known direct perturbations. We systematically calculate the indirect gravitoelectromagnetic shifts per orbit of the Keplerian orbital elements of the test particle arising from the crossing among the first even zonal harmonic $J_2$ of the central body and the post-Newtonian static and stationary components of its gravitational field. We also work out the Newtonian shifts per orbit of order $J_2^2$, and the direct post-Newtonian gravitoelectric effects of order $J_2 c^{-2}$ arising from the equations of motion. In the case of both the indirect and direct gravitoelectric $J_2 c^{-2}$ shifts, our calculation holds for an arbitrary orientation of the symmetry axis of the central body. We yield numerical estimates of their relative magnitudes for systems ranging from Earth artificial satellites to stars orbiting supermassive black holes.
description: LaTex2e, 60 pages, 93 references, no figures, 2 tables. Sign error corrected in Eq. (98)
How criticality meets bifurcation in compressive failure of disordered solids
Creators: name: Mayya, Ashwij
name: Berthier, Estelle
name: Ponson, Laurent
Publisher: name: arXiv
Year: 2022
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Continuum mechanics describes compressive failure as a standard bifurcation in the response of a material to an increasing load: damage, which initially grows uniformly in the material, localizes within a thin band at failure. Yet, experiments recording the acoustic activity preceding localization evidence power-law distributed failure precursors of increasing size, suggesting that compressive failure is a critical phenomenon. We examine here this apparent contradiction by probing the spatial organization of the damage activity and its evolution until localization during compression experiments of 2D cellular solids. The intermittent damage evolution measured in our experiments is adequately described by a non-stationary depinning equation derived from damage mechanics and reminiscent of critical phenomena. In this description, precursors are damage cascades emerging from the interplay between the material's disorder and the long-range stress redistributions following individual damage events. Yet, the divergence of their characteristic size close to failure, which we observe in our experiments, is not the signature of a transition towards criticality. Instead, the system remains at a fixed distance to the critical point at all stages of the damage evolution. The divergence results from the progressive loss of stability of the material as it is driven towards localization. Thus, our study shows that compressive failure is a standard bifurcation for which the material disorder plays a marginal role. It also shows that precursory activity constitute by-products of the evolution towards localization and can serve to build a predictive method to assess the residual lifetime of structures.
description: 35 pages, 14 figures including the supplementary information
On the complexity and modeling of the electric vehicle sharing problem
Creators: name: Silva, Welverton R.
name: Usberti, Fábio L.
name: Schouery, Rafael C. S.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optimization and Control (math.OC)
subject: Computational Complexity (cs.CC)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: We introduce the electric vehicle sharing problem (EVSP), a problem that arises from the planning and operation of electric car-sharing systems which allow one-way rental of vehicles. The problem aims at finding the maximum total daily rental time in which customers' demands are assigned to the existing fleet. In addition, either all of the customer's demands are completely fulfilled or the customer does not use the system at all. We show that the EVSP is NP-hard, and we provide four mixed-integer linear programming formulations based on space-time network flow models, along with some theoretical results. We perform a comprehensive computational study of the behavior of the proposed formulations using two benchmark sets, one of which is based on real-world data from an electric car-sharing system located in Fortaleza, Brazil. The results show that our best formulation is effective in solving instances where each customer has only one demand. In general, we were able to optimally solve at least 55% of the instances within the time limit of one hour.
Quality Sensitive Price Competition in Spectrum Oligopoly: Part II
Creators: name: Ghosh, Arnob
name: Sarkar, Saswati
Publisher: name: arXiv
Year: 2014
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: We investigate a spectrum oligopoly market where each primary seeks to sell secondary access to its channel at multiple locations. Transmission qualities of a channel evolve randomly. Each primary needs to select a price and a set of non-interfering locations (which is an independent set in the conflict graph of the region) at which to offer its channel without knowing the transmission qualities of the channels of its competitors. We formulate the above problem as a non-cooperative game. We consider two scenarios-i) when the region is small, ii) when the region is large. In the first setting, we focus on a class of conflict graphs, known as mean valid graphs which commonly arise when the region is small. We explicitly compute a symmetric Nash equilibrium (NE); the NE is threshold type in that primaries only choose independent set whose cardinality is greater than a certain threshold. The threshold on the cardinality increases with increase in quality of the channel on sale. We show that the symmetric NE strategy profile is unique in a special class of conflict graphs (linear graph). In the second setting, we consider node symmetric conflict graphs which arises when the number of locations is large (potentially, infinite). We explicitly compute a symmetric NE that randomizes equally among the maximum independent sets at a given channel state vector. In the NE a primary only selects the maximum independent set at a given channel state vector. We show that the two symmetric NEs computed in two settings exhibit important structural difference.
description: Added several results from the other versions. Submitted to IEEE Transactions on Information Theory. 63 pages one column, 22 figures
Towards a Better Understanding of Texturization during High-Moisture Extrusion (HME)—Part II: Characterization of Thermophysical Properties of High-Moisture Meat Analogues
Creators: name: Högg, Elisabeth
name: Rauh, Cornelia
Publisher: name: Technische Universität Berlin
Year: 2023
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::660 Chemische Verfahrenstechnik::664 Lebensmitteltechnologie
subject: data-driven prediction models
subject: high-moisture extrusion
subject: high-moisture meat analogues
subject: thermophysical properties of HMMAs
subject: protein texturization
subject: HMMAs

description: It is crucial to determine the thermophysical properties of high-moisture extruded samples (HMESs) to properly understand the texturization process of high-moisture extrusion (HME), especially when the primary objective is the production of high-moisture meat analogues (HMMAs). Therefore, the study’s aim was to determine thermophysical properties of high-moisture extruded samples made from soy protein concentrate (SPC ALPHA® 8 IP). Thermophysical properties such as the specific heat capacity and the apparent density were experimentally determined and further investigated to obtain simple prediction models. These models were compared to non-HME-based literature models, which were derived from high-moisture foods, such as soy-based and meat products (including fish). Furthermore, thermal conductivity and thermal diffusivity were calculated based on generic equations and literature models and showed a significant mutual influence. The combination of the experimental data and the applied simple prediction models resulted in a satisfying mathematical description of the thermophysical properties of the HME samples. The application of data-driven thermophysical property models could contribute to understanding the texturization effect during HME. Further, the gained knowledge could be applied for further understanding in related research, e.g., with numerical simulation studies of the HME process.
An Adaptive Image Encryption Scheme Guided by Fuzzy Models
Creators: name: Shariatzadeh, Mahdi
name: Rostami, Mohammad Javad
name: Eftekhari, Mahdi
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Multimedia (cs.MM)
subject: FOS: Computer and information sciences

description: A new image encryption scheme using the advanced encryption standard (AES), a chaotic map, a genetic operator, and a fuzzy inference system is proposed in this paper. In this work, plain images were used as input, and the required security level was achieved. Security criteria were computed after running a proposed encryption process. Then an adaptive fuzzy system decided whether to repeat the encryption process, terminate it, or run the next stage based on the achieved results and user demand. The SHA-512 hash function was employed to increase key sensitivity. Security analysis was conducted to evaluate the security of the proposed scheme, which showed it had high security and all the criteria necessary for a good and efficient encryption algorithm were met. Simulation results and the comparison of similar works showed the proposed encryptor had a pseudo-noise output and was strongly dependent upon the changing key and plain image.
description: Iranian Journal of Fuzzy Systems (2023)
The Brauns Family and the Woman's Medical College
Creators: name: Kubilius, Ramune K.
Publisher: name: Galter Health Science Library & Learning Center
Year: 2019

description: Article originally posted in the Galter Library website describes a donation made, in honor of the Kenneth V. and Blanche E. Brauns family, to the Galter Health Sciences Library in late 2016 that included three rare medical books. It features the story of the original owners of the books: Dr. Ernestine W. (Pickhardt) Brauns (1849-1937) who matriculated in the Woman's Medical College and her preceptor husband, Dr. Thilo (Rappe Thilo Hartig) Brauns (1831-1894). All photos are courtesy of the Brauns family.
E-polynomial of the SL(3,C)-character variety of free groups
Creators: name: Lawton, Sean
name: Muñoz, Vicente
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14D20, 20C15, 14L30, 20E05

description: We compute the E-polynomial of the character variety of representations of a rank r free group in SL(3, C). Expanding upon existing techniques, we stratify the space of representations and compute the E-polynomial of each geometrically described stratum using fibrations. Consequently, we also determine the E-polynomial of its smooth, singular, and abelian loci and the corresponding Euler characteristic in each case. Along the way, we give new proofs of the SL(2,C), PGL(2,C), and PGL(3,C) cases.
description: 21 pages; accepted for publication at the Pacific Journal of Mathematics
Out of this world neutrino oscillations
Creators: name: Gherghetta, Tony
name: Shkerin, Andrey
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study how vacuum neutrino oscillations can be affected by a causal, nonlinear and state-dependent modification of quantum field theory that may be interpreted using the many-worlds formulation of quantum mechanics. The effect is induced by a Higgs-neutrino Yukawa interaction that causes a nonlinear interference between the neutrino mass eigenstates. This leads to a tiny change in the oscillation pattern of light, active neutrinos without altering the oscillation frequencies. At large baselines where the oscillations disappear, the nonlinear effect is also suppressed and does not source correlations between the mass eigenstates once they are entangled with the environment. Our example provides a way to compute effects of nonlinear quantum mechanics and field theory that may probe the possible physical reality of many worlds.
description: 9 pages, 1 figure. v2: version published in PRD
Pyrene‐ and Bipyridine‐based Covalent Triazine Framework as Versatile Platform for Photocatalytic Solar Fuels Production
Creators: name: Fávaro, Marcelo Alves
name: Yang, Jin
name: Ditz, Daniel
name: Küçükkeçeci, Hüseyin
name: Alkhurisi, Mohammed H.
name: Bergwinkl, Sebastian
name: Thomas, Arne
name: Quadrelli, Elsje Alessandra
name: Palkovits, Regina
name: Canivet, Jérôme
name: Wisser, Florian M.
Publisher: name: Technische Universität Berlin
Year: 2023
Subjects: subject: 500 Naturwissenschaften und Mathematik::540 Chemie::540 Chemie und zugeordnete Wissenschaften
subject: condensation
subject: covalent triazine framework
subject: molecular control
subject: photocatalysis
subject: pyrene

description: The ability to molecularly engineer materials is a powerful tool toward increasingly performing heterogeneous catalysts. Porous organic polymers stand out as photocatalysts due to their high chemical stability, outstanding optoelectronic properties and their easy and tunable syntheses. In photocatalysis, the insertion of photosensitizing π-extended molecules into molecularly well-defined donor-acceptor junctions is supposed to increase the catalytic activity, but yet remain experimentally underdeveloped. This study presents a pyrene-based Covalent Triazine Framework (CTF) synthesized through a polycondensation approach, which was designed to contain a molecularly-defined pyrene-triazine-bipyridine donor-acceptor-acceptor triad as the repetition unit of the CTF. The CTF is an efficient photocatalyst for hydrogen evolution from water reaching a significant production rate of 61.5 mmolH2/h/gcat. Moreover, the same CTF can easily be used as porous macroligand for an organometallic Rh complex to efficiently catalyze the carbon dioxide photoreduction into formic acid under visible light.
A Fast Block Low-Rank Dense Solver with Applications to Finite-Element Matrices
Creators: name: Aminfar, Amirhossein
name: Ambikasaran, Sivaram
name: Darve, Eric
Publisher: name: arXiv
Year: 2014
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: This article presents a fast solver for the dense "frontal" matrices that arise from the multifrontal sparse elimination process of 3D elliptic PDEs. The solver relies on the fact that these matrices can be efficiently represented as a hierarchically off-diagonal low-rank (HODLR) matrix. To construct the low-rank approximation of the off-diagonal blocks, we propose a new pseudo-skeleton scheme, the boundary distance low-rank approximation, that picks rows and columns based on the location of their corresponding vertices in the sparse matrix graph. We compare this new low-rank approximation method to the adaptive cross approximation (ACA) algorithm and show that it achieves betters speedup specially for unstructured meshes. Using the HODLR direct solver as a preconditioner (with a low tolerance) to the GMRES iterative scheme, we can reach machine accuracy much faster than a conventional LU solver. Numerical benchmarks are provided for frontal matrices arising from 3D finite element problems corresponding to a wide range of applications.
Event-Triggered Stabilization of Linear Systems Under Bounded Bit Rates
Creators: name: Tallapragada, Pavankumar
name: Cortes, Jorge
Publisher: name: arXiv
Year: 2014
Subjects: subject: Systems and Control (eess.SY)
subject: Optimization and Control (math.OC)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Mathematics

description: This paper addresses the problem of exponential practical stabilization of linear time-invariant systems with disturbances using event-triggered control and bounded communication bit rate. We consider both the case of instantaneous communication with finite precision data at each transmission and the case of non-instantaneous communication with bounded communication rate. Given a prescribed rate of convergence, the proposed event-triggered control implementations opportunistically determine the transmission instants and the finite precision data to be transmitted on each transmission. We show that our design exponentially practically stabilizes the origin while guaranteeing a uniform positive lower bound on the inter-transmission and inter-reception times, ensuring that the number of bits transmitted on each transmission is upper bounded uniformly in time, and allowing for the possibility of transmitting fewer bits at any given time if more bits than prescribed were transmitted earlier. We also characterize the necessary and sufficient average data rate for exponential practical stabilization. Several simulations illustrate the results.
description: Accepted for publication in IEEE Transactions on Automatic Control
Unsupervised Point Cloud Representation Learning with Deep Neural Networks: A Survey
Creators: name: Xiao, Aoran
name: Huang, Jiaxing
name: Guan, Dayan
name: Zhang, Xiaoqin
name: Lu, Shijian
name: Shao, Ling
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: Point cloud data have been widely explored due to its superior accuracy and robustness under various adverse situations. Meanwhile, deep neural networks (DNNs) have achieved very impressive success in various applications such as surveillance and autonomous driving. The convergence of point cloud and DNNs has led to many deep point cloud models, largely trained under the supervision of large-scale and densely-labelled point cloud data. Unsupervised point cloud representation learning, which aims to learn general and useful point cloud representations from unlabelled point cloud data, has recently attracted increasing attention due to the constraint in large-scale point cloud labelling. This paper provides a comprehensive review of unsupervised point cloud representation learning using DNNs. It first describes the motivation, general pipelines as well as terminologies of the recent studies. Relevant background including widely adopted point cloud datasets and DNN architectures is then briefly presented. This is followed by an extensive discussion of existing unsupervised point cloud representation learning methods according to their technical approaches. We also quantitatively benchmark and discuss the reviewed methods over multiple widely adopted point cloud datasets. Finally, we share our humble opinion about several challenges and problems that could be pursued in future research in unsupervised point cloud representation learning. A project associated with this survey has been built at https://github.com/xiaoaoran/3d_url_survey.
description: IEEE Transactions on Pattern Analysis and Machine Intelligence
Quantum Sticking of Atoms on Membranes
Creators: name: Clougherty, Dennis P.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A continuum model for low-energy physisorption on a membrane under tension is proposed and studied with variational mean-field theory. A discontinuous change in the energy-dependent sticking coefficient is predicted under certain conditions. This singularity is a result of the bosonic orthogonality catastrophe of the vibrational states of the membrane. The energy-dependent sticking coefficient is predicted to have exponential scaling in 1/E above the singularity. The application of this model to the quantum sticking of cold hydrogen to suspended graphene is discussed. The model predicts that a beam of atomic hydrogen can be completely reflected by suspended graphene at ultralow energies.
description: 15 pages, 4 figures
A Bioresorbable Gene-eluting Stent Using Hyperbranched Polymers
Creators: name: Mousavizadeh, Seyed Masih
name: Mingzhi Yu
name: Gilchrist, Michael
name: Zhang, Nan
Publisher: name: Zenodo
Year: 2023

description: In this work, a WE43 Mg-based surface were anodized. After anodization, the surface properties of WE43 Mg-based surface were enhanced. What’s more, HPAE polymer nanoparticles are synthesized by microfluidic chips, the size of polymer nanoparticles were from 217 nm to 380 nm. With the increase of total flow rate, the size of polymer nanoparticles increased. HPAE polymer nanoparticles were used to test transfection efficacy. There were no significant difference between the groups. For next step, we are preparing to add PCL layer to WE43 Mg-based surface. And then, we will add HPAE polymer nanoparticles to PCL layer. Cell viability, confocal microscopy technology will be used to test the efficacy results.
Split square and split carpet as examples of non-metrizable IFS attractors
Creators: name: Leśniak, Krzysztof
name: Nowak, Magdalena
Publisher: name: arXiv
Year: 2022
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: A.0
subject: [2010] Primary: 28A80, Secondary: 47H09, 54H20

description: We define two non-metrizable compact spaces and show that they are attractors of iterated function systems. Both of them, the split square and the split carpet, are constructed using the product of split intervals.
description: 7 pages, 2 figures
Experimental multiparameter quantum metrology in adaptive regime
Creators: name: Valeri, Mauro
name: Cimini, Valeria
name: Piacentini, Simone
name: Ceccarelli, Francesco
name: Polino, Emanuele
name: Hoch, Francesco
name: Bizzarri, Gabriele
name: Corrielli, Giacomo
name: Spagnolo, Nicolò
name: Osellame, Roberto
name: Sciarrino, Fabio
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Relevant metrological scenarios involve the simultaneous estimation of multiple parameters. The fundamental ingredient to achieve quantum-enhanced performances is based on the use of appropriately tailored quantum probes. However, reaching the ultimate resolution allowed by physical laws requires non trivial estimation strategies both from a theoretical and a practical point of view. A crucial tool for this purpose is the application of adaptive learning techniques. Indeed, adaptive strategies provide a flexible approach to obtain optimal parameter-independent performances, and optimize convergence to the fundamental bounds with limited amount of resources. Here, we combine on the same platform quantum-enhanced multiparameter estimation attaining the corresponding quantum limit and adaptive techniques. We demonstrate the simultaneous estimation of three optical phases in a programmable integrated photonic circuit, in the limited resource regime. The obtained results show the possibility of successfully combining different fundamental methodologies towards transition to quantum sensors applications.
Implementation of a Change Management Solution Based on a Product Lifecycle Management System for a Large International Project
Creators: name: Lühr, A.
name: DESY
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2011
Subjects: Unveröffentlichte Hochschulschrift

description: Hochschule für Angewandte Wissenschaften, Masterarbeit, 2011; DESY Thesis (2011). = Hochschule für Angewandte Wissenschaften, Masterarbeit, 2011
description: Published by DESY, Hamburg
Spectral viscosity method with generalized Hermite functions for nonlinear conservation laws
Creators: name: Luo, Xue
Publisher: name: arXiv
Year: 2014
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65M70, 35L65, 65M10

description: In this paper, we propose new spectral viscosity methods based on the generalized Hermite functions for the solution of nonlinear scalar conservation laws in the whole line. It is shown rigorously that these schemes converge to the unique entropy solution by using compensated compactness arguments, under some conditions. The numerical experiments of the inviscid Burger's equation support our result, and it verifies the reasonableness of the conditions.
Jaime Pujol Balcells-Jesús Sancho Bielsa, Curso de Catequesis. Libro del Alumno, Ed. Universidad de Navarra, Pamplona 1985, 296 pp., 240X170, ISBN 84-313-0733-1
Creators: name: Neiva, A. Costa
Publisher: name: Theologica
Year: 1994

description: Theologica, v. 29 n. 2 (1994): Santuários marianos | Braga e Viana do Castelo
title: La gestion des douleurs postopératoires en ambulatoire chez des patients adultes
title: La gestion des douleurs postopératoires en ambulatoire chez des patients adultes
titleType: AlternativeTitle
Creators: name: Leutenegger, Morgane
name: Picard, Marine
Publisher: name: Unknown
Year: 0
Subjects: subject: douleur postopératoire
subject: soins médicaux ambulatoires
subject: soins infirmiers

description: « La douleur est la plainte principale des patients » (Avet & al., 2006). C’est pourquoi nous nous sommes intéressées à la thématique de la douleur aigue. Etant donné que le domaine de l’ambulatoire est en constante évolution depuis ces dernières années et que l’infirmière est en première ligne lors de la gestion de la douleur, nous nous sommes interrogées sur la douleur postopératoire dans un service d’ambulatoire. Ce questionnement nous a amené à poser notre question de recherche qui est la suivante : quelles sont les interventions infirmières à mettre en place, dans un service de chirurgie ambulatoire, pour soulager les douleurs postopératoires chez un patient ?
Detecting bulk and edge exceptional points in non-Hermitian systems through generalized Petermann factors
Creators: name: Zou, Yue-Yu
name: Zhou, Yao
name: Chen, Li-Mei
name: Ye, Peng
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Non-orthogonality in non-Hermitian quantum systems gives rise to tremendous exotic quantum phenomena, which can be fundamentally traced back to non-unitarity and is much more fundamental and universal than complex energy spectrum. In this paper, we introduce an interesting quantity (denoted as $η$) as a new variant of the Petermann factor to directly and efficiently measure non-unitarity and the associated non-Hermitian physics. By tuning the model parameters of underlying non-Hermitian systems, we find that the discontinuity of both $η$ and its first-order derivative (denoted as $\partial η$) pronouncedly captures rich physics that is fundamentally caused by non-unitarity. More concretely, in the 1D non-Hermitian topological systems, two mutually orthogonal edge states that are respectively localized on two boundaries become non-orthogonal in the vicinity of discontinuity of $η$ as a function of the model parameter, which is dubbed ``edge state transition''. Through theoretical analysis, we identify that the appearance of edge state transition indicates the existence of exceptional points~(EPs) in topological edge states. Regarding the discontinuity of $\partialη$, we investigate a two-level non-Hermitian model and establish a connection between the points of discontinuity of $\partial η$ and EPs of bulk states. By studying this connection in more general lattice models, we find that some models have discontinuity of $\partialη$, implying the existence of EPs in bulk states.