COMPOSITIONAL REPRESENTATION OF RATIONAL FUNCTIONS



: HARJU T, KLEIJN HCM, LATTEUX M

Publisher: DUNOD

: 1992

 RAIRO: Informatique Théorique et Applications / RAIRO: Theoretical Informatics and Applications

: RAIRO-INFORMATIQUE THEORIQUE ET APPLICATIONS-THEORETICAL INFORMATICS AND APPLICATIONS

: RAIRO-INF THEOR APPL

: 26

: 3

: 243

: 255

: 13

: 0988-3754

DOI: https://doi.org/10.1051/ita/1992260302431


The rational functions are shown to coincide with the compositions of endmarkings, morphisms and inverses of injective morphisms. To represent a rational function tau we need one ednmarking mu(m), two morphisms-alpha-1, alpha-3 and one inverse of an injective morphism-alpha-2 and then tau = mu(m) alpha-1 alpha-2(-1) alpha-3.



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