نتایج جستجو برای: theory bi

تعداد نتایج: 824549  

2014
Madad Khan

Abstract: In this study we introduce a new class of a non-associative algebraic structure namely intra-regular Abel Grassmann's groupoid (AG-groupoid in short). We apply generalized fuzzy ideal theory to this class and discuss its related properties. We introduce ) , ( k q ∨ ∈ ∈ -fuzzy semiprime ideals in AG-groupoids and characterize it. Specifically we have characterized intra-regular AG-grou...

1993
Imran A. Shah

| In this paper some new results for multidimensional m-band bi-orthogonal lter banks are presented. In the rst part of the paper we introduce the ladder structure as a method for the design and implementation of aforementioned lter banks. The theory of ladders and the relation to lter banks is presented. The second part of the paper focuses upon linear phase conditions for bi-orthogonal lter b...

Journal: :Physical review letters 2013
X He W Zhou Z Y Wang Y N Zhang J Shi R Q Wu J A Yarmoff

It has been widely assumed that Se terminates the surface of the topological insulator, bismuth selenide. Although some Se is initially at the surface after cleaving at 80 K, low energy ion scattering reveals a complete Bi termination at room temperature. Density functional theory shows that a Bi bilayer atop the bulk-terminated structure is energetically favorable. It is thus proposed that a t...

2015
Mumtaz Ali Florentin Smarandache Muhammad Shabir Munazza Naz

In this paper we define neutrosophic bi-LAsemigroup and neutrosophic N-LA-semigroup. Infact this paper is an extension of our previous paper neutrosophic left almost semigroup shortly neutrosophic LAsemigroup. We also extend the neutrosophic ideal to neutrosophic biideal and neutrosophic N-ideal. We also find some new type of neutrosophic ideal which is related to the strong or pure part of neu...

Journal: :ACM Trans. Graph. 2009
Ashish Myles Jörg Peters

Popular subdivision algorithms like Catmull-Clark and Loop are C almost everywhere, but suffer from shape artifacts and reduced smoothness exactly near the so-called “extraordinary vertices” that motivate their use. Subdivision theory explains that inherently, for standard stationary subdivision algorithms, curvature-continuity and the ability to model all quadratic shapes requires a degree of ...

2004
R. H. Miwa E. K. Takahashi

We have performed ab initio calculations of the atomic structure and energetic stability of the Bi–covered InAs(110) surface. The calculations were performed within the density–functional theory, using norm– conserving fully separable ab initio pseudopotentials. Two experimentally proposed structural models have been considered: (1×1)–ECLS and (1×2). Our total energy calculations indicate that ...

2016
S. Avraamidou N. A. Diangelakis E. N. Pistikopoulos

Optimization problems involving two decision makers at two different decision levels are referred to as bilevel programming problems. In this work, we present a novel algorithm for the exact and global solution of two classes of bi-level programming problems, namely (i) bi-level mixed-integer linear programming problems (B-MILP) and (ii) bi-level mixed-integer quadratic programming problems (B-...

2015
Ying Fan Weixia Zhu Zhongbing Xue Li Zhang Zhixiang Zou Joeri Van Mierlo

This paper presents a new multi-function conversion technique for vehicle-to-grid (V2G) applications. The proposed bi-directional charger can achieve three functions, including EV battery charging, grid-connection and reactive compensation, which are keys for energy management of the grid. With the proposed multi-function technology, the bi-directional charger will benefit both the grid and ele...

2014
K. Wang Y. Gu H. F. Zhou L. Y. Zhang C. Z. Kang M. J. Wu W. W. Pan P. F. Lu Q. Gong S. M. Wang

InPBi was predicted to be the most robust infrared optoelectronic material but also the most difficult to synthesize within In-VBi (V = P, As and Sb) 25 years ago. We report the first successful growth of InPBi single crystals with Bi concentration far beyond the doping level by gas source molecular beam epitaxy. The InPBi thin films reveal excellent surface, structural and optical qualities ma...

1998
Takahiro Masuda Hisao Suzuki

We construct a bi-linear form on the periods of Calabi-Yau spaces. These are used to obtain the prepotentials around conifold singularities in type-II strings compactified on Calabi-Yau space. The explicit construction of the bi-linear forms is achieved for the onemoduli models as well as two moduli models with K3-fibrations where the enhanced gauge symmetry is known to be observed at conifold ...

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