View of Complexity of Some Problems Concerning Lindenmayer Systems. (Revised version)

It is interesting to note that a similar phenomenon arises when consider- ing the parallel complexity of regular languages [6], a regular language may be in AC 0 even when the

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• Fuel tax increases provide only very small reductions of the average CO 2 emissions of new cars compared to vehicle taxes.. The model is based on a revised and enhanced version

We finish by calculating the graded Betti numbers and the Poincaré series of the graph algebra of the wheel