no. 4
Atoms and partial orders of infinite languages
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 35 (2001) no. 4, pp. 389-401.

We determine minimal elements, i.e., atoms, in certain partial orders of factor closed languages under ⊆. This is in analogy to structural Ramsey theory which determines minimal structures in partial orders under embedding.

Classification : 68R15, 05C55
Mots clés : combinatorics of words, structural Ramsey theory 
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     author = {Kuich, Werner and Sauer, N. W.},
     title = {Atoms and partial orders of infinite languages},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {389--401},
     publisher = {EDP-Sciences},
     volume = {35},
     number = {4},
     year = {2001},
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Kuich, Werner; Sauer, N. W. Atoms and partial orders of infinite languages. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 35 (2001) no. 4, pp. 389-401. http://www.numdam.org/item/ITA_2001__35_4_389_0/

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