title: A new construction in homological algebra.
abstract: We present a generalization of the classical bar construction with applications to resolutions of Weyl modules.
authors.affiliation: Brandeis University, Waltham, MA 02254, USA.
authors.forename: D A
authors.initials: DA
authors.lastname: Buchbaum
authors.forename: G C
authors.initials: GC
authors.lastname: Rota