نتایج جستجو برای: rectilinear street network

تعداد نتایج: 700610  

1999
Maciej M. Duras

A general proecological urban road traffic control idea for the street canyon is proposed with emphasis placed on development of advanced continuum field gasdynamical (hydrodynamical) control model of the street canyon. The continuum field model of optimal control of street canyon is studied. The mathematical physics' approach (Eu-lerian approach) to vehicular movement, to pollutants' emission,...

2015
Joseph S. B. Mitchell Valentin Polishchuk Mikko Sysikaski Haitao Wang

We consider the problem of finding minimum-link rectilinear paths in rectilinear polygonal domains in the plane. A path or a polygon is rectilinear if all its edges are axis-parallel. Given a set P of h pairwise-disjoint rectilinear polygonal obstacles with a total of n vertices in the plane, a minimumlink rectilinear path between two points is a rectilinear path that avoids all obstacles with ...

Journal: :Discrete Mathematics 2003
Alex Brodsky Stephane Durocher Ellen Gethner

Scheinerman and Wilf [SW94] assert that “an important open problem in the study of graph embeddings is to determine the rectilinear crossing number of the complete graph Kn.” A rectilinear drawing of Kn is an arrangement of n vertices in the plane, every pair of which is connected by an edge that is a line segment. We assume that no three vertices are collinear, and that no three edges intersec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

Journal: :Theoretical Computer Science 2019

Journal: :Transactions of the American Mathematical Society 1902

Journal: :CoRR 2013
Bin Jiang Yingying Duan Feng Lu Tinghong Yang Jing Zhao

Many complex networks demonstrate a phenomenon of striking degree correlations, i.e., a node tends to link to other nodes with similar (or dissimilar) degrees. From the perspective of degree correlations, this paper attempts to characterize topological structures of urban street networks. We adopted six urban street networks (three European and three North American), and converted them into net...

Journal: :Proceedings of the National Academy of Sciences 2020

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