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Families of Graphs Closed Under Taking Powers

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Abstract.

 This paper gives simple proofs for “G k∈? implies G k +1∈?” when ? is the family of all interval graphs, all proper interval graphs, all cocomparability graphs, or all m-trapezoid graphs.

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Authors and Affiliations

  1.  Department of Applied Mathematics, National Chiao Tung University. Hsinchu 30050, Taiwan, R.O.C. e-mail: mjchen@cc.nctu.edu.tw , , , , , , TW

    Mingjang Chen

  2.  Department of Applied Mathematics, National Chiao Tung University. Hsinchu 30050, Taiwan, R.O.C. e-mail: gjchang@math.nctu.edu.tw, , , , , , TW

    Gerard J. Chang

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  1. Mingjang Chen
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  2. Gerard J. Chang
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Received: November 21, 1997 Final version received: October 5, 1998

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Chen, M., Chang, G. Families of Graphs Closed Under Taking Powers. Graphs Comb 17, 207–212 (2001). https://doi.org/10.1007/PL00007241

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  • DOI: https://doi.org/10.1007/PL00007241

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