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This well-written paper is devoted to proving pointwise gradient estimates for functions satisfying a suitable inequality, which arises, for instance, in parabolic obstacle problems as well as in the study of parabolic $Q$-minima.
To increase their computational efficiency, time-stepping methods for the solution of ODEs and DAEs are usually adaptive. A control system for the adaptivity includes the automatic control of step size as well as method order, and can be constructed using proven design principles from control theory. It is a ''superstructure,'' surrounding the basic method, that manages the computational process.
The state-of-the-art in development tools today provides users with a large number of both syntactic and semantic services, such as syntax highlighting, name completions and refactorings. Preferably, every language should have sophisticated tool support, but unfortunately, the manual task of tool development is both time-consuming and error-prone, making it too costly for small language communitie
Abstract in UndeterminedThis paper is based on measurements obtained during a test of controlled islanding of part of the 50-kV grid in Southern Sweden. The purpose of the test was to verify operation of generator controls during islanding. The variations in voltage magnitude and frequency are shown as well as flicker severity and very-short variations. A number of performance indices have been ca
In an ever more globalized world, there are many advantages from doing distributed development. However, geographically distributed development is generally recognized as being much more challenging than traditional co-located development and therefore companies are often hesitant to “go distributed”. Configuration management is a basic service that provides the infrastructure for projects and org
