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    • Matrix l-Algebras over l-fields 

      Ma, Jingjing (Cogent Mathematics, 2015)
      It is shown that if a matrix ℓ-algebra Mn(K) over certain ℓ-fields K contains a positive n-cycle e such that I+e+⋯+en−1 is a d-element on K then it is isomorphic to the ℓ-algebra Mn(K) over K with the entrywise lattice order.