Some remarks on formality in families

Abstract

We prove some results on formality for families of DG algebras; in particular, we prove that formality is stable under specialization. The results are more-or-less known, but it seems that there are no published proofs.

13 pages, LaTeX2e. Minor change: added a lemma on algebraization

Cited by in corpus (2)

• Almost formality of manifolds of low dimension
• On The Formality Theorem for the Differential Graded Lie Algebra of Drinfeld