Publisher's Synopsis
Excerpt from On the Complexity of Motion Planning for Multiple Independent Objects: Pspace Hardness of the "Warehouseman's Problem"
Only that part of the string (1) which stands to the left of the symbol 1' is considered to be 'significant' the remainder is regarded as a mere 'pool' of symbols which can be moved into this significant part, and also as a 'storage area' into which symbols moved from the significant part of (1) can be placed. The transposition problem we seek to solve is: can the string (1) be transformed, by a valid sequence of moves, into (2) mogihzlo'l 1' [min] [miz] [mic] [m61] [mizi [mic.
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