Affine ๐๐ผ rings are catenary
Affine ๐๐ผ rings are catenary
An affine PI ring, is a ring satisfying a polynomial identity, such that the ring is finitely generated as an algebra over a central subfield k.A long outstanding question in the theory of these rings, was whether any two saturated (increasing) chains of primes beginning at one common prime, must โฆ