نتایج جستجو برای: topological ordering

تعداد نتایج: 104108  

Journal: :مدیریت صنعتی 0
حسن فارسیجانی استادیار دانشگاه شهید بهشتی، دانشکده مدیریت و حسابداری، تهران، ایران محمدرضا عبدوس کارشناسی ارشد مدیریت صنعتی، دانشگاه شهید بهشتی، تهران، ایران

this paper submitting the computation of optimize point of ordering in inventory control systems and particularly for continuous review of ordering system (r,q) by fuzzy logic method which similarly can be used for other ordering systems. since in the ordering models we cannot forecast the parameters like cost exactly, we have ambiguity. in this case using precise parameters may cause wrong dec...

1997
A. D. Rutenberg W. J. Zakrzewski M. Zapotocky

– Strong dynamical scaling violations exist in quenched two-dimensional systems with vector O(3) order parameters. These systems support non-singular topologically stable configurations (skyrmions). By tuning the stability of isolated skyrmions to expand or shrink, we find dramatic differences in the dynamical multiscaling spectrum of decaying moments 〈|ρ|〉 of the topological charge density dis...

2008
A. J. BRAY

The theory of phase ordering dynamics – the growth of order through domain coarsening when a system is quenched from the homogeneous phase into a brokensymmetry phase – is reviewed, with the emphasis on recent developments. Interest will focus on the scaling regime that develops at long times after the quench. How can one determine the growth laws that describe the time-dependence of characteri...

2011
Djamel A. Zighed Rafik Abdesselam Ahmed Bounekkar

In many application domains, the choice of a proximity measure affect directly the result of classification, comparison or the structuring of a set of objects. For any given problem, the user is obliged to choose one proximity measure between many existing ones. However, this choice depend on many characteristics. Indeed, according to the notion of equivalence, like the one based on pre-orderin...

Journal: :Neural Networks 1994
Michael D. Lemmon

-An tmportant problem in nonparametrtc modehng ts the selecHon of samples from an mdependent and Mentwally dtstrtbuted observatton (liD) process such that the resultmg sample ensemble forms a prototyptcal model of the observaHon process. Thts paper discusses a sampling techmque that is closely related to topologtcally ordered compettttve learning In the context of a ttghtly constrained notton o...

2015
Matthew C. D. Carter Daniel S. Miller James Jennings Xiaoguang Wang Mahesh K. Mahanthappa Nicholas L. Abbott David M. Lynn

We report synthetic six-tailed mimics of the bacterial glycolipid Lipid A that trigger changes in the internal ordering of water-dispersed liquid crystal (LC) microdroplets at ultralow (picogram-per-milliliter) concentrations. These molecules represent the first class of synthetic amphiphiles to mimic the ability of Lipid A and bacterial endotoxins to trigger optical responses in LC droplets at...

2004
Michiharu Maeda Hiromi Miyajima

This paper investigates a self-organizing map algorithm which is simultaneously given multiple inputs, and introduces a criterion of ordering process as the twist measurement for reference vectors in multidimensional array. The self-organizing algorithm and the criterion are termed the parallel self-organizing algorithm and the index of twist, respectively. The algorithm updates reference vecto...

2010
Mathias Buenemann Peter Lenz

Recent experimental studies have revealed that bacteria, such as C. crescentus, show a remarkable spatial ordering of their chromosome. A strong linear correlation has been found between the position of genes on the chromosomal map and their spatial position in the cellular volume. We show that this correlation can be explained by a purely geometrical model. Namely, self-avoidance of DNA, speci...

Journal: :iranian journal of fuzzy systems 2015
sergey a. solovyov

this paper introduces a new approach to topology, based on category theory and universal algebra, and called categorically-algebraic (catalg) topology. it incorporates the most important settings of lattice-valued topology, including poslat topology of s.~e.~rodabaugh, $(l,m)$-fuzzy topology of t.~kubiak and a.~v{s}ostak, and $m$-fuzzy topology on $l$-fuzzy sets of c.~guido. moreover, its respe...

In this paper, we introduce the concept of the generalized topological molecular lattices as a generalization of Wang's topological molecular lattices,  topological spaces, fuzzy topological spaces, L-fuzzy topological spaces and soft topological spaces. Topological molecular lattices were defined by closed elements, but in this new structure we present the concept of the open elements and defi...

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