2017/01/30 by Rosali Brusamarello, Érica Z. Fornaroli, Brusamarello, Rosali +3
Mathematics · #17C50 #Advanced Topics in Algebra #Algebraic structures and combinatorial models #FOS: Mathematics #Primary 16S50 #Rings and Algebras (math.RA) #Rings, Modules, and Algebras #Secondary 16W10
paper · pdf · doi:10.48550/arxiv.1701.08859
openalex publication_date 2017/01/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
Let X be a partially ordered set, R a commutative 2-torsionfree unital ring and FI(X,R) the finitary incidence algebra of X over R. In this note we prove that each R-linear Jordan isomorphism of FI(X,R) onto an R-algebra A is the near-sum of a homomorphism and an anti-homomorphism.