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A New Massey Product onExtGroups

✍ Scribed by Zheng Qi-Bing

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 224 KB
Volume: 183
Category: Article
ISSN: 0021-8693
DOI: 10.1006/jabr.1996.0226

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✦ Synopsis

Let H be a commutative coassociative Hopf algebra over a field K; then Ž . Ext K, K is a DGA. Suppose M is a right DGA-module over this DGA. We give H a new Massey product on this module and prove the basic properties of this Massey product. We have also discussed the case when M is a left DGA-module. ᮊ 1996 Academic Press, Inc.

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5 5 where we always use и to denote the cohomological degree and и to denote the second degree.

Ž . The purpose of this paper is to define a new Massey product on M, d and to prove some basic properties of this product.

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