Geodesic
One-adhesive polymatroids
Kybernetika, Tome 56 (2020) no. 5, pp. 886-902.

Voir la notice de l'article provenant de la source Czech Digital Mathematics Library

Adhesive polymatroids were defined by F. Matúš motivated by entropy functions. Two polymatroids are adhesive if they can be glued together along their joint part in a modular way; and are one-adhesive, if one of them has a single point outside their intersection. It is shown that two polymatroids are one-adhesive if and only if two closely related polymatroids have joint extension. Using this result, adhesive polymatroid pairs on a five-element set are characterized.
DOI : 10.14736/kyb-2020-5-0886
Classification : 05B35, 52B12, 94A15
Keywords: polymatroid; amalgam; adhesive polymatroid; entropy function; polyhedral cone 
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Csirmaz, Laszlo. One-adhesive polymatroids. Kybernetika, Tome 56 (2020) no. 5, pp. 886-902. doi : 10.14736/kyb-2020-5-0886. http://geodesic.mathdoc.fr/articles/10.14736/kyb-2020-5-0886/

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