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The possibility of power system state estimation with nontraditional measurement configurations is investigated. It is assumed that some substations are equipped with current magnitude measurements.… (More)
We consider the Neumann problem for the heat equation perturbed by a dissipation term au, where a is a function of space and time variables, small in some integral sense, and u is the temperature. ...
The subclasses N (∞) κ of the classes Nκ of generalized Nevanlinna functions appear in the context of Pontryagin space models, where they correspond to model relations having a particular spectral… (More)
SummaryThe need for storage caverns (oil, gas.) and depositories (radioactive waste, toxic waste) is rising world-wide. Rock salt (halite) formations are exceptionally suitable for the construction… (More)