Permutations on the Random Permutation

Electronic Journal Of Combinatorics

Julie Linman¹ 

关键词: Random permutation;    Reduct;    Ramsey theory;    Canonical function;   

DOI  :  

学科分类：离散数学和组合数学

来源: Electronic Journal Of Combinatorics

【 摘 要 】

The random permutation is the Fraïssé limit of the class of finite structures with two linear orders. Answering a problem stated by Peter Cameron in 2002, we use a recent Ramsey-theoretic technique to show that there exist precisely 39 closed supergroups

【 授权许可】

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