Basis property of a part of the system of Eigenvectors of a holomorphic operator-function

1991 ◽  
Vol 50 (1) ◽  
pp. 755-757
Author(s):  
V. A. Grinshtein

1979 ◽  
Vol 2 (2) ◽  
pp. 244-263 ◽  
Author(s):  
Winfried Kaballo ◽  
G. Philip ◽  
A. Thijsse








2000 ◽  
Vol 10 (04) ◽  
pp. 457-480 ◽  
Author(s):  
OLGA SAPIR

Let W be a finite language and let Wc be the closure of W under taking subwords. Let S(W) denote the Rees quotient of a free monoid over the ideal consisting of all words that are not in Wc. We call W finitely based if the monoid S(W) is finitely based. Although these semigroups have easy structure they behave "generically" with respect to the finite basis property [6]. In this paper, we describe all finitely based words in a two-letter alphabet. We also find some necessary and some sufficient conditions for a set of words to be finitely based.







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