Suellen J. Hogan

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The eeect of harmonic excitation on suspension bridges is examined as a rst step towards the understanding of wind, and possibly certain kinds of earthquake, excitation upon such structures. The Lazer-McKenna suspension bridge model is studied completely for the rst time by using a methodology which has been successfully applied to models of rocking blocks(More)
This paper studies the effects of a time-delayed feedback control on the appearance and development of spatiotemporal patterns in a reaction-diffusion system. Different types of control schemes are investigated, including single-species, diagonal, and mixed control. This approach helps to unveil different dynamical regimes, which arise from chaotic state or(More)
a r t i c l e i n f o Innovation is the key to organizational survival and therefore the study of processes that support innovation should be of interest to researchers and practitioners alike. Schein's multi-layered model of organizational culture offers a useful framework for thinking about processes that foster innovation. A defining characteristic of(More)
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