Rectangular algebras as tree recognizers

Steinby Magnus: Rectangular algebras as tree recognizers. In: Acta cybernetica, (22) 2. pp. 499-515. (2015)

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We consider finite rectangular algebras of finite type as tree recognizers. The type is represented by a ranked alphabet Σ. We determine the varieties of finite rectangular Σ-algebras and show that they form a Boolean lattice in which the atoms are minimal varieties of finite Σ-algebras consisting of projection algebras. We also describe the corresponding varieties of Σ-tree languages and compare them with some other varieties studied in the literature. Moreover, we establish the solidity properties of these varieties of finite algebras and tree languages. Rectangular algebras have been previously studied by R. Pöschel and M. Reichel (1993), and we make use of some of their results.

Item Type: Article
Journal or Publication Title: Acta cybernetica
Date: 2015
Volume: 22
Number: 2
ISSN: 0324-721X
Page Range: pp. 499-515
Language: English
Place of Publication: Szeged
Related URLs:
DOI: 10.14232/actacyb.22.2.2015.15
Uncontrolled Keywords: Algebra
Additional Information: Bibliogr.: p. 514-515. ; összefoglalás angol nyelven
Subjects: 01. Natural sciences
01. Natural sciences > 01.01. Mathematics
Date Deposited: 2016. Oct. 17. 10:36
Last Modified: 2022. Jun. 20. 11:20

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