نتایج جستجو برای: lattice data

تعداد نتایج: 2493502  

Journal: :Physical Review C 2021

Second-order susceptibilities ${\ensuremath{\chi}}_{ij}^{11}$ of baryon, electric, and strangeness, $B$, $Q$, $S$, charges are calculated in the chiral mean field (CMF) model compared with available lattice QCD data. The sensitive to short-range repulsive interactions between different hadron species, especially hardcore repulsion hyperons. Decreasing hyperons size, as size nonstrange baryons, ...

Journal: :International Journal of Modern Physics C 2021

Fields exhibit a variety of topological properties, like different charges, when field space in the continuum is composed by more than one sector. Lattice treatments usually encounter difficulties describing those properties. In this work, we show that augmenting usual lattice fields to include extra variables local information (more precisely, regarding homotopy), topology faithfully reproduce...

Journal: :Physical review 2022

We extract pion parton distribution functions (PDFs) in a Monte Carlo global QCD analysis of experimental data together with reduced Ioffe time pseudo-distributions and matrix elements current-current correlators generated from lattice QCD. By including both data, our rigorously quantifies the uncertainties PDFs systematic effects intrinsic to observables. The significantly decrease on PDFs, wh...

2003
Alain Casali Rosine Cicchetti Lotfi Lakhal

Constrained multidimensional patterns differ from the well-known frequent patterns from a conceptual and logical points of view because they are provided with a common structure and support various types of constraints. Classical data mining techniques are based on the power set lattice of binary attributes and, even extended, are not suitable when addressing the discovery of constrained multid...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی علوم پایه زنجان - دانشکده شیمی 1391

in this thesis a calibration transfer method is used to achieve bilinearity for augmented first order kinetic data. first, the proposed method is investigated using simulated data and next the concept is applied to experimental data. the experimental data consists of spectroscopic monitoring of the first order degradation reaction of carbaryl. this component is used for control of pests in frui...

1997
Leo Brewin

A new lattice based scheme for numerical relativity will be presented. The scheme uses the same data as would be used in the Regge calculus (eg. a set of leg lengths on a simplicial lattice) but it differs significantly in the way that the field equations are computed. In the new method the standard Einstein field equations are applied directly to the lattice. This is done by using locally defi...

We show that the lattice of all ideals of a ring $R$ can be embedded in the lattice of all its fuzzyideals in uncountably many ways. For this purpose, we introduce the concept of the generalizedcharacteristic function $chi _{s}^{r} (A)$ of a subset $A$ of a ring $R$ forfixed $r , sin [0,1] $ and show that $A$ is an ideal of $R$ if, and only if, its generalizedcharacteristic function $chi _{s}^{...

2017
Mojtaba Asgari Jeffrey Parsons Yair Wand

One key characteristic of big data is variety. With massive and growing amounts of data existing in independent and heterogeneous (structured and unstructured) sources, assigning consistent data semantics, which is essential for making sense of data sources, is an increasingly important challenge. We use ontology and human cognitive principles (i.e., classification theory) to formally define th...

رحمتی, احمدرضا, نیازی, سینا,

In this study, for the first time, a comparison of single-relaxation-time, multi-relaxation-time and entropic lattice Boltzmann methods on non-uniform meshes is performed and application of these methods for simulation of two-dimensional cavity flows, channel flows and channel flows with sudden expansion is studied in the slip and near transition regimes. In this work, Taylor series expansion a...

We believe that the study of the notions of universal algebra modelled in an arbitarry topos rather than in the category of sets provides a deeper understanding of the real features of the algebraic notions. [2], [3], [4], [S], [6], [7], [13], [14] are some examples of this approach. The lattice Id(L) of ideals of a lattice L (in the category of sets) is an important ingredient of the categ...

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