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The main aim of this paper is to describe the free objects in arbitrary varieties of modals (semilattice ordered idempotent and entropic algebras)and give some new representations of modals.
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Rocznik
Tom
Strony
535--556
Opis fizyczny
Bibliogr. 17 poz.
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autor
autor
- Faculty Of Mathematics And Information Science Warsaw University Of Technology Plac Politechniki 1 00-661 Warsaw, Poland, apili@alpha.mini.pw.edu.pl
Bibliografia
- [1] K. Adaricheva, A. Pilitowska, D. Stanovskỳ, Complex algebras of subalgebras, Algebra Logic 47 (2008), 367–383.
- [2] S. N. Burris, H. P. Sankappanavar, A Course in Universal Algebra, Springer Verlag, New York, 1981.
- [3] R. Freese, E. Kiss, M. Valeriote, UACalc, A Universal Algebra Calculator, http://www.uacalc.org/.
- [4] G. Gräzer, H. Lakser, Identities for globals (complex algebras) of algebras, Colloq. Math. 56 (1988), 19–29.
- [5] B. Jósson, A. Tarski, Boolean algebras with operators I, Amer. J. Math. 73 (1951), 891–939.
- [6] K. Kearnes, Semilattice modes I: the associated semiring, Algebra Universalis 34 (1995), 220–272.
- [7] A. I. Mal’cev, Algebraičeskie sistemy, [in Russian], Sovremennaja Algebra, Nauka, Moscow, 1970. English translation: Algebraic Systems, Springer Verlag, Berlin, 1973.
- [8] R. McKenzie, A. Romanowska, Varieties of · – distributive bisemilattices, Contributions to General Algebra 1 (1979), 213–218.
- [9] A. Pilitowska, Modes of submodes, Ph. D. Thesis, Warsaw University of Technology, Warsaw, Poland, 1996.
- [10] A. Pilitowska, A. Zamojska-Dzienio, On some congruences of power algebras, submitted. (http://www.mini.pw.edu.pl/~apili/APAZ310309.pdf)
- [11] K. J. Pszczoła, A. B. Romanowska, J. D. H. Smith, Duality for some free modes, Discuss. Math. Gen. Algebra Appl. 23 (2003), 45–62.
- [12] A. Romanowska, Semi-affine modes and modals, Sci. Math. Jpn. 61 (2005), 159–194.
- [13] A. Romanowska, B. Roszkowska, On some groupoid modes, Demonstratio Math. 20 (1987), 277–290.
- [14] A. B. Romanowska, J. D. H. Smith, Modal Theory, Heldermann Verlag, Berlin, 1985.
- [15] A. B. Romanowska, J. D. H. Smith, Modes, World Scientific, Singapore, 2002.
- [16] L. A. Shemetkov, A. Skiba, Formations of Algebraic Systems, [in Russian], Nauka, Moscow, 1989.
- [17] K. Ślusarska, Distributive differential modals, Discuss. Math. Gen. Algebra Appl. 28 (2008), 29–47.
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Bibliografia
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bwmeta1.element.baztech-article-PWA4-0033-0017