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{\bf Yu-Shuang Li and Jun Wang}
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{\bf Erd\H os-Ko-Rado-Type Theorems for Colored Sets}
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An Erd\H os-Ko-Rado-type theorem was established by Bollob\'as and
Leader for $q$-signed sets and by Ku and Leader for partial
permutations. In this paper, we establish an LYM-type inequality
for partial permutations, and prove Ku and Leader's conjecture on
maximal $k$-uniform intersecting families of partial permutations.
Similar results on general colored sets are presented.
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