Comeasuring

Let A be an algebra. A comeasuring of A is a pair (B, β) where:

1. B is an algebra.
2. β: A → A ⊗ B is an algebra map.

References

• Majid, Shahn (2002), A quantum groups primer, London Mathematical Society Lecture Note Series (1. ed.), Cambridge Univ. Press, ISBN 9780521010412, http://books.google.com/books?id=o9D8S-vZdbUC .