[sage-combinat-devel] Re: on DyckWords

2012-05-17 Thread Mike Zabrocki
Hi, Well I think that "dinv" would be "number_of_diagonal_inversions" but I agree with Hugh, the statistics area(D), bounce(D) and dinv(D) are all fairly standard (add Haglund's book + dozens of references since) and certainly way more descriptive than "a_statistic", "b_statistic" and "d_statis

[sage-combinat-devel] Re: on DyckWords

2012-05-17 Thread Hugh Thomas
Hi! I think "area", "bounce", and "dinv" are standard terms. Spelling out what "dinv" means would only confuse matters for me. I don't remember the precise definition --- it is complicated. So even spelling outtwo or three words would still be only be able to give an imprecise description.