Local derivations in polynomial and power series rings
Tom 92 / 2002
Colloquium Mathematicum 92 (2002), 295-305 MSC: Primary 12H05; Secondary 13N05. DOI: 10.4064/cm92-2-11
We give a description of all local derivations (in the Kadison sense) in the polynomial ring in one variable in characteristic two. Moreover, we describe all local derivations in the power series ring in one variable in any characteristic.