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Model separability indices for efficient dynamic simulation

This paper proposes a means to quantify the aptitude of a dynamic model to be partitioned into weakly coupled submodels. The proposal applies to both linear and nonlinear systems, is largely independent of their scale, and requires information that is easy to provide on the part of the analyst. The presented indices can be exploited in different manners, from easing numerical integration on monoli

Brownboard - A tool to facilitate improved supply chain traceability

This paper aims to describe the brownboard tool and to elaborate on its characteristics. Brownboard can be seen as a tool within process mapping and it is focused on supply chain traceability. The process map is created in a dynamical group process where supply chain actors with different competence level meet and interact. The brownboard tool is used in a case study based on a Swedish supply cha

Wave propagators for transient waves in one-dimensional media

Wave propagators are introduced for transient wave propagation in a general one-dimensional medium. The definition of wave propagators is based upon a wave splitting technique. Several properties for the propagators are given and the relations between the method of propagators and the invariant imbedding method and the Green function approach are discussed.

On the decoding bit error probability for binary convolutional codes

An explanation is given for the paradoxical fact that, at low signal-to-noise ratios, the systematic feedback encoder results in fewer decoding bit errors than does a nonsystematic feedforward encoder for the same code. The analysis identifies a new code property, the d-distance weight density of the code. For a given d-distance weight density, the decoding bit error probability depends on the num

Copyright Protection of Software under the TRIPS Agreement - Software reengineering and reverse engineering in the context of international trade law

In 1994, the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) was adopted as part of the Agreement Establishing the World Trade Organization (WTO). Pursuant to the TRIPS Agreement copyright protection of computer programs for the first time had received explicit recognition on the international level. Despite obligating all WTO Members to protect computer programs as lite