Project (M.A.) - Simon Fraser University, 2006. / Theses (Liberal Studies Program) / Simon Fraser University. Also issued in digital format and available on the World Wide Web.

Issued also as thesis, Groningen. / Summary in English and Spanish. Bibliography: p. 291-318.

Thesis (M.S. in Information Systems)--Naval Postgraduate School, September 1990. / Thesis Advisor(s): Tung Xuan Bui. Second Reader: Smith, Henry H. "September 1990." Description based on title screen as viewed on December 16, 2009. DTIC Identifier(s): Local area networks, security, control systems, thesis. Author(s) subject terms: Computer security, local area network (LAN), security and control. Includes bibliographical references (p. 87-90). Also available in print.

Thesis (M.S. in environmental science)--Washington State University, December 2009. / Title from PDF title page (viewed on Feb. 18, 2010). "School of Earth and Environmental Science." Includes bibliographical references (p. 24-29).

published_or_final_version / Computer Science / Master / Master of Philosophy

Stickiness is a ubiquitous property of dynamical systems. However, recognizing whether an orbit is temporarily `stuck' (and therefore very nearly quasiperiodic) is hard to detect. Outlined in this thesis is an approach to quantifying stickiness in area-preserving maps based on a tool called recurrence plots that is not very commonly used. With the analyses presented herein it is shown that recurrence plot methods can give very close estimates to stickiness exponents that were previously calculated using Poincare recurrence and other methods. To capture the dynamics, RP methods require shorter data series than more conventional methods and are able to represent a more-global analysis of recurrence. A description of stickiness of the standard map for a wide array of parameter strengths is presented and a start at analyzing the standard nontwist map is presented. / text

The availability and abundance of surface water on the Manyeleti Game Reserve was quantified to provide information towards the development of a water provision policy. A total of 696 water source sites were located with a mean distance of 223.3 m apart. The water source sites (natural and artificial) were monitored seasonally to describe the seasonal availability of surface water on the Manyeleti Game Reserve. There were significant relationships between seasonal rainfall and the number of water source sites and maximum distance between sites. The large number of water sources is regulated by climatic progression and thus water provision on the Manyeleti Game Reserve follows a natural cycle linked primarily to rainfall. Water sources that dry up towards the dry seasons need to be supplied with water during drought periods in order to maintain game numbers without causing rangeland degradation. A water provision model that incorporates all the variables of the Greater Kruger Park Conservation Area, with particular reference to the smaller conservation areas within it, should become a research priority.

In general, rural areas in Africa are seen as unprofitable by operators and hence these areas do not benefit from typical wired Internet access. Due to the cost involved, only a small number of people in Africa benefit from the Internet. On the other hand, the Global System for Mobile communications (GSM) has thoroughly penetrated Africa and in many cases unutilized capacity exists in rural areas. Since the cost of GSM services is still extremely high when compared to the average income of African communities, many organizations are now considering alternative business models for the provision of Internet access to disadvantaged populations. To try to bridge the digital divide, the aim of this contribution is to show that basic but affordable Internet Protocol (IP) connectivity can be provided to rural communities by using spare capacity on GSM networks to carry Wireless Local Area Network (WLAN) traffic. Since the main problem with WLAN in Africa is not the last mile, but rather finding a way to connect the wireless access point to an existing backbone network, a solution to integrate WLAN with GSM is proposed.

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