Date: Mon, 2 Nov 1998 08:24:12 -0600 (CST) From: Brayton Gray Subject: Re: Stasheff query It is and always has been called a Toda bracket, except by Toda, who called it a secondary composition. Brayton Gray On Mon, 2 Nov 1998, DON DAVIS wrote: > Date: Mon, 2 Nov 1998 07:21:39 -0500 (EST) > From: James Stasheff > Subject: query > > Refresh my memory or update it. The analog of Massey products > for composition of maps > cf. fgh with fg homtopic to constant and gh likewise > is (now?) called a > Toda bracket? > or > ______________?? > > the reason I ask is an amazing (to me?) application > by Polishchuk > math.AG/9803017 > > .oooO Jim Stasheff jds@math.unc.edu > (UNC) Math-UNC (919)-962-9607 > \ ( Chapel Hill NC FAX:(919)-962-2568 > \*) 27599-3250 > > http://www.math.unc.edu/Faculty/jds > >