On an assertion of J. Rhodes and the finite basis and finite vertex rank problems for pseudovarieties |
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| Authors: | Benjamin Steinberg |
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| Affiliation: | Carleton University, School of Mathematics and Statistics, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada |
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| Abstract: | J. Rhodes asserted at in Braga in 1997, in response to a question of J. Almeida, that  is not finite vertex rank. We prove his assertion and more. By way of contrast, we show that  is local, i.e. has vertex rank 1. |
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| Keywords: | 20M07 |
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