Results 1-20 of 137
期刊文章
COMMUNICATIONS IN MATHEMATICS AND STATISTICS
2018
[ABSTRACT] We propose a deep learning-based method, the Deep Ritz Method, for numerically solving variational problems, particularly the ones that arise from ...
[KEYWORDS] Deep Ritz Method; Variational problems; PDE; Eigenvalue problems
[ABSTRACT] 配对友好椭圆曲线在基于配对的密码系统中起关键作用.这类曲线的构造不仅极大影响实现效率,更关系到系统安全.虽然目前已提出很多构造方法,但几乎都依赖穷尽搜索.该文提出一种构造该类曲线的系统方法,将寻找配对友好曲线问题转化到解方程,从而避免了穷尽搜索,并设计出具体算法.最后,将该算法应用到寻找嵌入次...
[KEYWORDS] 基于配对的密码; 椭圆曲线; 配对友好曲线; 参数化族; Pairing-based cryptography; Elliptic curves; Pairing-friendly curves; Parameterized families; PAIRINGS
期刊文章
INFORMATION DISCOVERY AND DELIVERY
2017
[ABSTRACT] Purpose - Twitter users' generated data, known as tweets, are now not only used for communication and opinion sharing, but they are considered...
[KEYWORDS] World wide web; Websites; SVM; Opinion; Google trends; Twitter trends
期刊文章
RESEARCH IN THE MATHEMATICAL SCIENCES
2017
[ABSTRACT] We investigate the effect of anisotropic elastic energy on defect patterns of liquid crystals confined in a three-dimensional spherical domain with...
[KEYWORDS] DE-GENNES THEORY; RADIAL-HEDGEHOG; FINE-STRUCTURE; DEFECTS; MODELS
[ABSTRACT] Tissue-like optical phantoms are important in testing new imaging algorithms. Homogeneous optical phantoms with determined optical properties are t...
[KEYWORDS] Diffused optical tomography (DOT); Homogeneous phantom; Absorption coefficient; Scattering coefficient; DIFFUSION-APPROXIMATION; TISSUE; DIAPHANOGRAPHY; SPECTROSCOPY; TOMOGRAPHY; BOUNDARY; MEDIA
[ABSTRACT] Practical imaging system needs to be carefully calibrated before it is used for imaging algorithm design and verification. In this work, we have im...
[KEYWORDS] Diffused optical tomography (DOT); Imaging system; Parameter calibration; OPTICAL TOMOGRAPHY SYSTEM; IN-VIVO
[ABSTRACT] In recent years, mediation analysis has emerged as a powerful tool to disentangle causal pathways from an exposure/treatment to clinically relevant...
[KEYWORDS] Mediation analysis; Causal inference; Pathway analysis; Acute coronary syndrome; Randomized clinical trials
期刊文章
ULTRASOUND INTERNATIONAL OPEN
2018
[ABSTRACT] Purpose Atherosclerotic arteries are challenging to evaluate quantitatively using spectral Doppler ultrasound because of the turbulent flow conditi...
[KEYWORDS] angiography; velocity ratio; atherosclerosis; peripheral arterial disease; vector velocity ultrasound; VOLUME FLOW; ARTERIOVENOUS-FISTULAS; TRANSVERSE OSCILLATION; DUPLEX ULTRASOUND; AORTIC VALVES; DISEASE; ERROR; ANGIOGRAPHY; STENOSIS; IDENTIFY
期刊文章
FRONTIERS OF EDUCATION IN CHINA
2019
[ABSTRACT] This article explores the Chinese literature on Chinese higher educational leadership in order to contribute to the international literature genera...
[KEYWORDS] university president leadership research; review; China
期刊文章
SEXUALITY AND CULTURE
2019
[ABSTRACT] The aim of the study was to explore attitudes towards sexuality and sexual behaviour in older adults in Norway, Denmark, Belgium, and Portugal. A c...
[KEYWORDS] Sexual attitudes; Older adults; Sexual behaviour
期刊文章
COMMUNICATIONS IN MATHEMATICS AND APPLICATIONS
2018
[ABSTRACT] In this paper some higher order algorithms have been introduced for solving fixed point problems. These algorithms have been developed by Homotopy ...
[KEYWORDS] Higher order; Algorithms; Fixed point problems; Homotopy perturbation method; Nonlinear equations; Efficiency index; Convergences order; NEWTON-RAPHSON METHOD; NONLINEAR EQUATIONS; PERTURBATION TECHNIQUE; DECOMPOSITION METHOD; ITERATIVE METHODS; CONVERGENCE
期刊文章
MEHRAN UNIVERSITY RESEARCH JOURNAL OF ENGINEERING AND TECHNOLOGY
2018
[ABSTRACT] Research regarding MAT (Mobile Application Testing) in Pakistan is hard to discover and to the best of our knowledge, no work has been done in surv...
[KEYWORDS] Mobile Applications; Survey; Statistical Analysis; Testing
[ABSTRACT] We prove an explicit formula for the genus-one Fan-Jarvis-Ruan-Witten invariants associated with the quintic threefold, verifying the genus-one mir...
[KEYWORDS] mirror symmetry; cohomological field theory; Landau-Ginzburg model
期刊文章
JOURNAL OF ALGORITHMS & COMPUTATIONAL TECHNOLOGY
2019
[ABSTRACT] In this article, the presented study is based on a modification in Gegenbauer wavelets method. The modeled problem is presented to analyze the phen...
[KEYWORDS] Gegenbauer polynomials; method of moments; nanofluid; exponential stretching surface; numerical solution
期刊文章
JOURNAL OF PARTIAL DIFFERENTIAL EQUATIONS
2018
[ABSTRACT] In this paper, we give an explicit formula of the solution to Cauchy problem of a fractional parabolic equation with the advection, and then prove ...
[KEYWORDS] Fractional parabolic equation; Cauchy problem; existence; regularity
期刊文章
NAR GENOMICS AND BIOINFORMATICS
2020-06
[ABSTRACT] Single-cell RNA sequencing (scRNA-seq) allows researchers to study cell heterogeneity at the cellular level. A crucial step in analyzing scRNA-seq ...
[KEYWORDS] SEQ DATA; RECONSTRUCTION; 0710 生物学;
[ABSTRACT] Inspired by the LG/CY correspondence, we study the local index theory of the Schrodinger operator associated to a singularity defined on C-n by a q...
[KEYWORDS] HOLOMORPHIC DETERMINANT BUNDLES; 2 LANDAU-GINZBURG; ANALYTIC-TORSION; R-TORSION; FORMS; GEOMETRY; METRICS; 0701 数学;
期刊文章
PHYSICAL REVIEW RESEARCH
2020-07-16
[ABSTRACT] In nonequilibrium chemical reaction systems, a fundamental relationship between unbalanced kinetic one-way fluxes and thermodynamic chemical drivin...
[KEYWORDS] BALANCE; 0702 物理学;
期刊文章
JOURNAL OF ALGORITHMS & COMPUTATIONAL TECHNOLOGY
2018
[ABSTRACT] In this study, the blood flow was investigated involving nanoparticles through porous blood vessels in the presence of magnetic field by means of c...
[KEYWORDS] Non-Newtonian nanofluid; magnetic field; blood porous vessels; least square method; collocation method; LEAST-SQUARES METHODS; PARTIAL-DIFFERENTIAL-EQUATIONS; GOLD NANOPARTICLES; COLLOCATION METHOD; SQUEEZING FLOW; PULSATILE FLOW; NANOFLUID; CHANNEL; MODEL
期刊文章
PHYSICAL REVIEW RESEARCH
2020-10-15
[ABSTRACT] A global symmetry (0-symmetry) in an n-dimensional space acts on the whole space. A higher symmetry acts on closed submanifolds (i.e., loops and me...
[KEYWORDS] STATES; CLASSIFICATION; DEGENERACY; DEFECTS; PHASES; 0702 物理学;