منابع مشابه
Memoriam.
George W. Housner, Carl F Braun Professor of Engineering, emeritus, died after a short illness on 10 November 2008, just a few weeks before his 98th birthday. He was in the retirement home in Pasadena where he had lived for several years. For all of us who knew George, this marked the end of an era. Few people have guided and nurtured a field the way George led earthquake engineering over a per...
متن کاملLars Chittka
set up to see who can catch the most. The Environment Education Foundation hosted its third ‘lionfish derby’ last month off Florida, outside the reserve, with more than $3,000 in prize money for the team catching the most fish — 109 were killed. In the waters around the Bahamas, which don’t have the same protection as Florida Keys, more than 2,000 lionfish have been killed over the past two yea...
متن کاملThomas von Brasch , Johan Byström and Lars Petter Lystad Optimal Control and the Fibonacci Sequence
We bridge mathematical number theory with that of optimal control and show that a generalised Fibonacci sequence enters the control function of finite horizon dynamic optimisation problems with one state and one control variable. In particular, we show that the recursive expression describing the first-order approximation of the control function can be written in terms of a generalised Fibonacc...
متن کاملIn Memoriam: Mark Everingham
MARK EVERINGHAM was a brilliant colleague. You may have been aware of him at conferences where he asked penetrating questions that could crystallize a key aspect of a paper. In conversation with him you might have been stunned by a new connection he made between areas of research or to a crucial related work. These questions and observations were a reflection of his very broad knowledge and dee...
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ژورنال
عنوان ژورنال: The Auk
سال: 2000
ISSN: 1938-4254,0004-8038
DOI: 10.1093/auk/117.4.1029