Mark K. de Weger

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following result. THEOREM 1. The only (n,m)eZ with n^2 and m5=4 satisfying © = ( 7 ) a r e {n> m)=(2> 4)> (6> 6)> and (21> Our binomial diophantine equation represents an elliptic curve, since it can be rewritten as a quartic polynomial being a square. Indeed, on putting u = 2/i 1 and v = 2m 3, we see at once that Theorem 1 follows from the following(More)
We show how the Gelfond-Baker theory and diophantine approximation techniques can be applied to solve explicitly the diophantine equation C„ = wpTM< ■ ■ ■ p"< (where {G„}^_o is a binary recurrence sequence with positive discriminant), for arbitrary values of the parameters. We apply this to the equation x2 + k = p\' ■ ■ ■ pf', which is a generalization of(More)
Currently, there is an enormous (research) interest in business process redesign (BPR). Several management-oriented approaches have been proposed showing how to make BPR work. However, detailed descriptions of empirical experience are few. Consistent engineering methodologies to aid and guide a BPR-practitioner are currently emerging. Often, these(More)
In this paper we introduce and motivate the use of structural and quantitative perspectives on business process modelling and analysis. Structural perspectives are associated with certain model structuring styles. Quantitative perspectives are associated with certain process measures, in our case time-based measures. Furthermore, we relate these structural(More)
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