C.M.S. • Fredericton, NB • June 2010
Meditations on Arens Multiplication
   F.E.J. Linton • Wesleyan Univ. Math/CS Emeritus

  Problems: 1) (in Ban₁) Which Banach algebras A have A** commutative?
2) What other symmetric (and closed ?) monoidal categories have interesting dualizing objects C? For which is ** symmetric? Or, at least, for which will commutative monoid A have A** commutative? A topos, and C = Ω?