Open AccessBinomial arithmetical rank of edge ideals of forests
Author(s) -
Kohei Kimura,
Naoki Terai
Publication year - 2013
Publication title -
proceedings of the american mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.968
H-Index - 84
eISSN - 1088-6826
pISSN - 0002-9939
DOI - 10.1090/s0002-9939-2013-11473-5
Subject(s) - arithmetic function , mathematics , rank (graph theory) , binomial (polynomial) , enhanced data rates for gsm evolution , combinatorics , statistics , computer science , discrete mathematics , artificial intelligence
We prove that the binomial arithmetical rank of the edge ideal of a forest coincides with its big height.