id	summary	status	type	priority	milestone	component
6889	Algebra of multivariate polynomials invariant under the action of a permutation group	new	enhancement	major	sage-5.10	combinatorics
8581	Implement an uniform set for index infinite variable algebraic structure, implement polynomial ring in infinite set of indeterminate with categories, implement the Schubert base ring in y1, y2, y3, ...	needs_work	enhancement	major	sage-5.10	combinatorics
8593	Add Lehmer code of Permutation as an infinite enumerated set	needs_work	enhancement	major	sage-5.10	combinatorics
12453	Refactor integer vectors using ClonableIntArray Cython data structure	needs_review	task	major	sage-5.10	combinatorics