posted on 2019-02-15, 09:32authored byI Gálvez-Carrillo, J Kock, A Tonks
We prove a Faà di Bruno formula for the Green function in the bialgebra of P-trees, for any polynomial endofunctor P. The formula appears as relative homotopy cardinality of an equivalence of groupoids.
Funding
The authors acknowledge the following MTM grants from the Spanish Government (MINECO)
and SGR grants from the Generalitat de Catalunya. The first author was partially supported by
grants MTM2010-15831, MTM2010-20692, SGR1092-2009, and MTM2012-38122-C03-01, the second author
by MTM2009-10359, MTM2010-20692, and SGR1092-2009, and the third author by MTM2010-15831,
SGR119-2009.
History
Citation
Advances in Mathematics, 2014, 254, pp. 79-117
Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Mathematics