ABSTRACT
Let X P https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203749807/1e575708-9d79-4f43-a374-4d458ec8fff6/content/eq3095.tif"/> be a LCS with bidual X" and ultra–bidual X'× resp., and let β(X',X) and βu(X',X) be the strong topology and ultra–strong topology on X' resp. It is known that τ ( X',X ) < β ( X',X ) < β u ( X',X ) and X" ⊂ X' × . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780203749807/1e575708-9d79-4f43-a374-4d458ec8fff6/content/eq3096.tif"/>
