In this letter we shall describe the automorphisms of SL1(R) and GL1(R), R local rings with 2 not being a unit of R and the residue field of R not being F2. In this way we obtain that the automorphisms are the sta...In this letter we shall describe the automorphisms of SL1(R) and GL1(R), R local rings with 2 not being a unit of R and the residue field of R not being F2. In this way we obtain that the automorphisms are the standard.展开更多
文摘In this letter we shall describe the automorphisms of SL1(R) and GL1(R), R local rings with 2 not being a unit of R and the residue field of R not being F2. In this way we obtain that the automorphisms are the standard.