نتایج جستجو برای: enriched topological system

تعداد نتایج: 2340130  

2016
Rachelle Mariano Sawsan Khuri Peter Uetz Stefan Wuchty

The investigation of host-pathogen interaction interfaces and their constituent factors is crucial for our understanding of an organism's pathogenesis. Here, we explored the interactomes of HIV, hepatitis C virus, influenza A virus, human papillomavirus, herpes simplex virus, and vaccinia virus in a human host by analyzing the combined sets of virus targets and human genes that are required for...

2017
Y. Q. Huang Y. X. Song S. M. Wang I. A. Buyanova W. M. Chen

A three-dimensional (3D) topological insulator (TI) is a unique quantum phase of matter with exotic physical properties and promising spintronic applications. However, surface spin current in a common 3D TI remains difficult to control and the out-of-plane spin texture is largely unexplored. Here, by means of surface spin photocurrent in Bi2Te3 TI devices driven by circular polarized light, we ...

Journal: :journal of physical & theoretical chemistry 2007
f. shafiei m. aghaie k. zare h. aghaie

the fact that the properties of a molecule are tightly connected to its structural  characteristics  is one of the fundamental concepts in chemistry. in this connection,  graph theory has been successfully applied in developing some relationships between topological indices and some thermodynamic properties. so ,  a novel method for computing the new descriptors to construct a quantitative rela...

Journal: :journal of mahani mathematical research center 0
uosef mohammadi department of mathematics, faculty of science university of jiroft , jiroft, iran, 78671-61167.

in this paper by use of mathematical modeling of an observer [14,15] the notion of relative information functional for relative dynamical systemson compact metric spaces is presented. we extract the information function ofan ergodic dynamical system (x,t) from the relative information of t fromthe view point of observer χx, where x denotes the base space of the system.we also generalize the inv...

2006
Ai Li Steve Horvath

Defining the neighborhood of an initial set of nodes is an important task in network analysis. For example, we show that the neighborhood of an initial set of brain cancer related genes is highly enriched with other cancer genes as well. It remains an active area of research to define a biologically meaningful concept of neighborhood in gene or protein networks. In gene networks, genes with hig...

2015
Michael Hermele Xie Chen

We introduce a method, dubbed the flux-fusion anomaly test, to detect certain anomalous symmetry fractionalization patterns in two-dimensional symmetry enriched topological (SET) phases. We focus on bosonic systems with Z2 topological order, and symmetry group of the form G = U(1)oG′, where G′ is an arbitrary group that may include spatial symmetries and/or time reversal. The anomalous fraction...

2000
Jean-François Dufourd

We propose a formal specification based on a functional prototype of the oriented combinatorial maps embedded in the plane and revisit classical problems in computational geometry. We first recall the basic properties of the maps and their modelling power for closed orientable surfaces. Then, we mainly focus on logical, topological and geometric aspects of algorithms rather than on efficiency a...

2016
Jérémy Dubut Eric Goubault Jean Goubault-Larrecq

The homotopy hypothesis was originally stated by Grothendieck [13] : topological spaces should be “equivalent” to (weak) ∞-groupoids, which give algebraic representatives of homotopy types. Much later, several authors developed geometrizations of computational models, e.g. for rewriting, distributed systems, (homotopy) type theory etc. But an essential feature in the work set up in concurrency ...

Motivated by the recent study on categorical properties of latticevalued topology, the paper considers a generalization of the notion of topological system introduced by S. Vickers, providing an algebraic and a coalgebraic category of the new structures. As a result, the nature of the category   TopSys   of S. Vickers gets clari ed, and a metatheorem is stated, claiming that (latticevalu...

This paper is concerned with the study of fuzzy dynamical systems. Let (XM ) be a fuzzy metric space in the sense of George and Veeramani. A fuzzy discrete dynamical system is given by any fuzzy continuous self-map dened on X. We introduce the various fuzzy shad- owing and fuzzy topological transitivity on a fuzzy discrete dynamical systems. Some relations between this notions have been proved.

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