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An analysis is given of data accumulated from teaching a large natural science course over a period of some 11 years during which the mode of delivery of the course material gradually evolved from pure ??chalk and talk?? to extensive in-class use of technology and Web based modes of presentation. Relevant factors such as course enrolment, course content, type of exam etc remained constant over this...
A fiber Bragg grating (FBG) with an arbitrary spectrum can be obtained as the addition of the contribution of some concatenated subFBGs written without phase jumps using the same phase mask. An adaptive filter is used to obtain the parameters of the different subFBGs required to reproduce the desired response.
This paper gives a personal account of some developments in automata theory and computational complexity theory. Though the account is subjective and deals primarily with the research areas of direct interest to the author, it discusses the underlying beliefs and philosophy which guided this research as well as the intellectual environment and the ideas and contacts which influenced it. An attempt...
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