Subject: Follow-up question Date: Wed, 06 Jun 2001 18:05:22 -0400 From: jim stasheff To: dondavis Thanks for all the various counter examples. The next question then is: I wonder can one formulate a nice criterion for a DG-algebra with commutative cohomology to be quasiisomorphic to a commutative DG-algebra (say in terms of Massey products or Steenrod ops or...).