Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Sofia, Bulgaria ; Department of Mathematics, The University of Hong Kong, Hong Kong SAR, China
Abstract:
We develop a new method to deal with the Cancellation Conjecture of Zariski in different environments. We prove the conjecture for free associative algebras of rank two. We also produce a new proof of the conjecture for polynomial algebras of rank two over fields of zero characteristic.