Media type: E-Article Title: Two interacting Hopf algebras of trees: A Hopf-algebraic approach to composition and substitution of B-series Contributor: Calaque, Damien; Ebrahimi-Fard, Kurusch; Manchon, Dominique imprint: Elsevier BV, 2011 Published in: Advances in Applied Mathematics Language: English DOI: 10.1016/j.aam.2009.08.003 ISSN: 0196-8858 Keywords: Applied Mathematics Origination: Footnote: Access State: Open Access