Author:
Dolinar Gregor,Kuzma Bojan
Abstract
AbstractLetMnbe the algebra of alln×nmatrices over ℂ. We say thatA,B∈Mnquasi-commute if there exists a nonzero 𝛏 ∈ ℂ such thatAB= 𝛏BA. In the paper we classify bijective not necessarily linear maps φ:Mn→Mnwhich preserve quasi-commutativity in both directions.
Publisher
Canadian Mathematical Society
Cited by
5 articles.
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