On the existence of idempotent liftings

S. Grekas
1989 Proceedings of the American Mathematical Society  
An existence theorem for idempotent liftings is proved. This implies that every compact measure space with full support and separable measure algebra admits an idempotent lifting.
doi:10.1090/s0002-9939-1989-0979215-5 fatcat:lirof3qjyfekzabkjoejd32cnm