Unconditionality in spaces of m-homogeneous polynomials

1 Institut of Mathematics, Carl von Ossietzky University, D26111 Oldenburg, Germany, 2 Department of Mathematics, University of Missouri-Columbia, Columbia, MO 65211, USA
Let E be a Banach space with an unconditional basis. We prove that for m
2 the Banach space P(mE) of all m-homogeneous polynomials on E has an unconditional basis if and only if E is finite dimensional. This answers a problem of S. Dineen.
Received 22 January 2004.
* E-mail: defant{at}mathematik.uni-oldenburg.de
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