We construct, assuming the continuum hypothesis (CI), two (strongly) Frechet spaces whose product is sequential and its sequential order is alpha for any given alpha less than or equal to omega(1).
机构:
King Fahd Univ Petr & Minerals, Dept Math Sci, Dhahran 31261, Saudi ArabiaKing Fahd Univ Petr & Minerals, Dept Math Sci, Dhahran 31261, Saudi Arabia