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Trotter, William T.1
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On-Line Partitioning of Partially Ordered Sets.
Peer reviewed Peer reviewed
Trotter, William T. – College Mathematics Journal, 1989
Presents an example from the combinatorial theory of partially ordered sets. Discusses algorithms of on-line antichain partitioning problems, a topic in discrete optimization. (YP)
Descriptors: Algorithms, College Mathematics, Mathematical Enrichment, Mathematical Formulas
A Chessboard Coloring Problem.
Peer reviewed Peer reviewed
Beresin, May; And Others – College Mathematics Journal, 1989
Determines which chessboards contain a chromatic rectangle having all four corners the same color for any black-white coloring. Expands the problem to a three color problem. (YP)
Descriptors: Algebra, College Mathematics, Mathematical Applications, Mathematical Enrichment