Results 161 to 170 of about 18,642 (313)
Subspace Acceleration for Efficient Nonlinear Water Wave Simulation
International Journal for Numerical Methods in Fluids, EarlyView.We introduce an exponentially weighted subspace acceleration technique to reduce GMRES iterations for solving the Poisson equation with time‐dependent coefficients in nonlinear, dispersive free‐surface flows governed by the incompressible Navier‐Stokes equations. The method significantly reduces memory requirements and computational complexity compared
Rasmus Kleist Hørlyck Sørensen +3 more
wiley +1 more source
Health Economics, EarlyView.ABSTRACT Even though data on hospital admissions are widely used in health research, hospitalization‐related estimands measured using these data are not always clearly conceptualized. Consequently, estimators of these quantities can have unclear rationales and undesirable properties.
Aditya Jain +7 more
wiley +1 more source
How Is FinTech Shaping Household Portfolio Behaviour?
International Journal of Finance &Economics, EarlyView.ABSTRACT This paper examines how FinTech adoption influences household portfolio allocation across major advanced economies. Using a flow‐of‐funds framework and the Almost Ideal Demand System (AIDS), we model household demand for currency, deposits, loans, debt securities, and equity in the United States, United Kingdom, Euro Area, Japan and Australia.
Victor Murinde, Athina Petropoulou
wiley +1 more source
Division algebras over an algebraic field [PDF]
Bulletin of the American Mathematical Society, 1931 openaire +2 more sources
Quaternion Algebra over Rational Number Field
, 2014 本論文主要不只是探討四元素環在有理數上的分類情況，也描述由他們所形成的Brauer群結構。 有理數上的四元素環大致可分為2乘2矩陣與可除環情況，而我們可以用quadratic form討論其同構狀況。由於2乘2矩陣均同構，故只需考慮可除環的情況，其可更進一步分為不同的同構狀況。 在局部域的情況，可說明其可除環均同構，並使用希爾伯特符號來分類其為2乘2矩陣或是可除環。 最後我們使用Brauer群來描述其分類，並且闡述其群運算方式，透過Hasse ...
Lin, Yun-Xiang, 林運翔
core
InfoScience, EarlyView.Traditional light‐analyzing tools, known as spectrometers, are typically too bulky and expensive to fit into portable electronics like smartphones or wearables. In this study, we developed a microscopic, high‐performance spectrometer using a material called Indium Selenide combined with smart algorithms to accurately analyze light from the visible to ...
Jing Chen +8 more
wiley +1 more source
Colourings of Uniform Group Divisible Designs and Maximum Packings
Journal of Combinatorial Designs, EarlyView.ABSTRACT A weak c $c$‐colouring of a design is an assignment of colours to its points from a set of c $c$ available colours, such that there are no monochromatic blocks. A colouring of a design is block‐equitable, if for each block, the number of points coloured with any available pair of colours differ by at most one.
Andrea C. Burgess +6 more
wiley +1 more source
Journal of Combinatorial Designs, EarlyView.ABSTRACT Capsets are subsets of F 3 n ${{\mathbb{F}}}_{3}^{n}$ with no three points on a line, and a capset is complete if it is not a subset of a larger capset. We study some new constructions of capsets via algebraic equations over extensions of F 3 ${{\mathbb{F}}}_{3}$.
Cassie Grace, José Felipe Voloch
wiley +1 more source
Semialgebraic topology over a real closed field II: Basic theory of semialgebraic spaces [PDF]
, 1981 Knebusch, Manfred, Delfs, Hans
core +1 more source
Signed Projective Cubes, a Homomorphism Point of View
Journal of Graph Theory, EarlyView.ABSTRACT The (signed) projective cubes, as a special class of graphs closely related to the hypercubes, are on the crossroad of geometry, algebra, discrete mathematics and linear algebra. Defined as Cayley graphs on binary groups, they represent basic linear dependencies.
Meirun Chen +2 more
wiley +1 more source