bigrading
English
editNoun
editbigrading (plural bigradings)
- indexing by means of a pair of integers
- 2015, Gwyn Bellamy, Travis Schedler, “Kostka polynomials from nilpotent cones and Springer fiber cohomology”, in arXiv[1]:
- This can be viewed as a bigrading on the cohomology of the flag variety; via W-algebras, we similarly obtain bigradings on the cohomology of all Springer fibers.