Using extreme point techniques, we show that if A is a closed subalgebra of the bounded sequences which contain c, then any linear isometry of A onto itself is a permutation up to a modulus one ...

Bulletin (Académie serbe des sciences et des arts. Classe des sciences mathématiques et naturelles. Sciences mathématiques), No. 45 (2020), pp. 25-41 (17 pages) We establish the characterisations of ...