国际学术周讲座ID：GAWS20207

主办单位/学院：机械工程学院

讲座/报告名称：大科学装置在现代科研中的应用The application of great scientific facilities in modern scientific research

讲座报告时间安排表：北京时间2020/7/15 15:00

直播间席位数上限：200人

授课平台：腾讯会议

讲座/报告内容简介：

边界覆盖是无线传感器网络研究中的一个重要问题。它应用于监视感兴趣区域的边界，以保护该区域免受入侵者的攻击。为了延长边界覆盖的寿命，可以对传感器进行睡眠-唤醒调度以获得多个边界覆盖。然后，在这些边界覆盖物的布置中存在一个安全问题，称为边界破坏。本文证明了该问题等价于有向图中的最长路径问题。

The barrier-coverage is an important issue in study of wireless sensor networks. It has application for monitoring the boundary of an area of interest in order to protect the area from the intruder. To increase the lifetime of barrier-coverage, one may make a sleep-wakeup scheduling for sensors to obtain several barrier-covers. Then there is a security problem, called barrier-breach, existing in arrangement of those barrier-covers. In this paper, we show that this problem is equivalent to the longest path problem in digraphs.

主讲教师及简介：

  Martin Dove，教授，英国伦敦玛丽皇后大学，英国剑桥大学博后，曾任英国剑桥大学NERC（the National Institute for Environmental eScience）主任，剑桥大学教授。

1975–81: BSc and PhD Physics, University of Birmingham

1981–84: Post-doctoral post in the Departments of Physics, University of Edinburgh

1984–86: Post-doctoral post in the Dept of Theoretical Chemistry, University of Cambridge

1986–99: University Lecturer in Mineral Physics, Dept of Earth Sciences, U of Cambridge

1992–93: Visiting Scientist, Chalk River Laboratories, AECL Research, Canada

1999–2003: Reader in Computational Mineral Physics, Dept of Earth Sciences, U of Cambridge

2002–2008: Director of the National Institute for Environmental eScience (NERC/Cambridge)

2003–2011: Professor of Computational Mineral Physics, Dept of Earth Sciences, U of Cambridge

2011–present: Professor, School of Physics and Astronomy, Queen Mary University of London

2013–2015: Founder and director of the Materials Research Institute, Queen Mary University of London

讲座联系人：郭建文，博士，副教授，机械工程学院副院长。