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In mathematics, Banach algebra cohomology of a Banach algebra with coefficients in a bimodule is a cohomology theory defined in a similar way to Hochschild cohomology of an abstract algebra, except that one takes the topology into account so that all cochains and so on are continuous.

References

1. Johnson, Barry Edward (1972), Cohomology in Banach algebras, Memoirs of the American Mathematical Society, vol. 127, Providence, R.I.: American Mathematical Society, ISBN 978-0-8218-1827-5, MR 0374934
2. Helemskii, Alexander Ya. (1989) , The homology of Banach and topological algebras, Mathematics and its Applications (Soviet Series), vol. 41, Dordrecht: Kluwer Academic Publishers Group, ISBN 978-0-7923-0217-9, MR 1093462
3. Khelemskii, A.Ya. (2001) , "Cohomology of Banach algebras", Encyclopedia of Mathematics, EMS Press

• Homological algebra
• Banach algebras