๐ถ*-algebras generated by commuting isometries. I
๐ถ*-algebras generated by commuting isometries. I
We announce results on structure and Fredholm theory for the C*-algebra MY, W) generated by two isometries F and W on a separable Hubert space with the properties (whereSuch algebras arise naturally in several contexts: first, in the stuu> of singular integral operators with generally discontinuous symbols; secondly, in the โฆ