The connectivity of Z-transformation graphs of perfect matchings of polyominoes
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Department of Mathematics, Lanzhou University, Lanzhou, Gansu 730000, China
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Department of Mathematics, Lanzhou University, Lanzhou, Gansu 730000, China
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Discrete Math
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1-3卷
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257-272期
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The author is grateful to Professor Fuji Zhang and the referees for their many helpful comments and suggestions. This work is supported by the National Natural Foundation of China and Youth Foundation of Lanzhou University;