On an assertion of J. Rhodes and the fin
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Benjamin Steinberg
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Article
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2004
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Elsevier Science
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English
β 312 KB
J. Rhodes asserted at in Braga in 1997, in response to a question of J. Almeida, that A \* G is not ΓΏnite vertex rank. We prove his assertion and more. By way of contrast, we show that G \* A is local, i.e. has vertex rank 1.