Joel Feinstein

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math.FA2003

A counterexample to a conjecture of S.E. Morris

J. F. Feinstein

We give a counterexample to a conjecture of S.E. Morris by showing that there is a compact plane set X such that R(X) has no non-zero, bounded point derivations but such that R(X)…

math.FA1998

Non-regularity for Banach function algebras

J. F. Feinstein, D. W. B. Somerset

Let $A$ be a unital Banach function algebra with character space $Φ_{A}$ . For $x \in Φ_{A}$ , let $M_{x}$ and $J_{x}$ be the ideals of functions vanishing at $x$ , and in a neighbourhood of $…