نتایج جستجو برای: strong feasible basis

تعداد نتایج: 816093  

Journal: :IACR Cryptology ePrint Archive 2010
Werner Backes Susanne Wetzel

In this paper, we propose a new generic reduction framework BoostReduce for strong lattice basis reduction. At the core of our new framework is an iterative method which uses a newly-developed algorithm for finding short lattice vectors and integrating them efficiently into an improved lattice basis. We present BoostBKZ as an instance of BoostReduce using the Block-Korkine-Zolotarev (BKZ) reduc...

2002
Adam Bradley Azer Bestavros

With web caching and cache-related services like CDNs and edge services playing an increasingly significant role in the modern Internet, the problem of the weak consistency and coherence provisions in current web protocols is drawing increasing attention. Toward this end, we differentiate definitions of consistency and coherence for web-like caching environments, and then present a novel web pr...

2009
Yves Peirsman Dirk Geeraerts

Current approaches to the prediction of associations rely on just one type of information, generally taking the form of either word space models or collocation measures. At the moment, it is an open question how these approaches compare to one another. In this paper, we will investigate the performance of these two types of models and that of a new approach based on compounding. The best single...

Journal: :Circulation research 2017
Valery L Feigin Bo Norrving George A Mensah

On the basis of the GBD (Global Burden of Disease) 2013 Study, this article provides an overview of the global, regional, and country-specific burden of stroke by sex and age groups, including trends in stroke burden from 1990 to 2013, and outlines recommended measures to reduce stroke burden. It shows that although stroke incidence, prevalence, mortality, and disability-adjusted life-years rat...

H. Zohoor J. Hamedi,

Modeling and Wrench feasible workspace analysis of a spatial cable suspended robots is presented. A six-cable spatial cable robot is used the same as Stewart robots. Due to slow motion of the robot we suppose the motion as pseudostatic and kinetostatic modeling is performed. Various workspaces are defined and the results of simulation are presented on the basis of various workspaces and app...

Journal: :iranian journal of mechanical engineering transactions of the isme 0
j. hamedi department of mechanical engineering, science and research branch, islamic azad university, tehran, iran h. zohoor distinguished professor and member, center of excellence in design, robotics and automation, school of mechanical engineering, sharif university of technology

modeling and wrench feasible workspace analysis of a spatial cable suspended robots is presented. a six-cable spatial cable robot is used the same as stewart robots. due to slow motion of the robot we suppose the motion as pseudostatic and kinetostatic modeling is performed. various workspaces are defined and the results of simulation are presented on the basis of various workspaces and applied...

2014
N. Valizadeh S. Mohammadi

Fracture analysis of orthotropic cracked media is investigated by applying the recently developed extended isogeometric analysis (XIGA) (Ghorashi et al., 2012) using the T-spline basis functions. The signed distance function and orthotropic crack tip enrichment functions are adopted for extrinsically enriching the conventional isogeometric analysis approximation for representation of strong dis...

2014
Rachel Brooks

Previous studies of higher education (HE) choice have tended to draw a strong contrast between the decisions made by young people from working class backgrounds and those of their middle class peers. This paper draws on a qualitative, longitudinal study to argue that such assumptions about social class homogeneity overlook the very different ways in which students from a similar (middle class) ...

Ahmad Bitarafan rajabi Khadijeh Bamneshin, Parham Geramifar Seied Rabi Mahdavi,

Introduction: Modern radiotherapy (RT) techniques allow a highly precise deposition of the radiation dose in tumor. So, high conformal tumor doses can be reached while sparing critical organs at risk. Materials and Methods: This study was conducted in three phases. In the first phase; Fourteen patients with primary or recurrent prostate cancer receive Gallium-...

Journal: :journal of computational applied mechanics 0
majid khadiv center of excellence in robotics and control, advanced robotics & automated systems (aras) laboratory, department of mechanical engineering, k. n. toosi university of technology, tehran, iran. s. ali. a moosavian center of excellence in robotics and control, advanced robotics & automated systems (aras) laboratory, department of mechanical engineering, k. n. toosi university of technology, tehran, iran.

this paper proposes a gait planning approach to reduce the required friction for a biped robot walking on various surfaces. to this end, a humanoid robot with 18 dof is considered to develop a dynamics model for studying various 3d manoeuvres. then, feasible trajectories are developed to alleviate the fluctuations on the upper body to resemble human-like walking. in order to generate feasible w...

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