Title:
|
On the degrees of permutability of subregular varieties (English) |
Author:
|
Barbour, Graham D. |
Author:
|
Raftery, James G. |
Language:
|
English |
Journal:
|
Czechoslovak Mathematical Journal |
ISSN:
|
0011-4642 (print) |
ISSN:
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1572-9141 (online) |
Volume:
|
47 |
Issue:
|
2 |
Year:
|
1997 |
Pages:
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317-325 |
. |
Category:
|
math |
. |
MSC:
|
06F35 |
MSC:
|
08A30 |
MSC:
|
08B05 |
idZBL:
|
Zbl 0927.08001 |
idMR:
|
MR1452422 |
. |
Date available:
|
2009-09-24T10:05:16Z |
Last updated:
|
2020-07-03 |
Stable URL:
|
http://hdl.handle.net/10338.dmlcz/127358 |
. |
Reference:
|
[kn:BaR1] G. D. Barbour and J. G. Raftery: Ideal determined varieties have unbounded degrees of permutability.Quaestiones Math. 20 (1997), in print. MR 1625526, 10.1080/16073606.1997.9632225 |
Reference:
|
[kn:BR95] W.J. Blok and J.G. Raftery: On the quasivariety of BCK-algebras and its subvarieties.Algebra Universalis 33 (1995), 68–90. MR 1303632, 10.1007/BF01190766 |
Reference:
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[kn:Cha81] I. Chajda: Distributivity and modularity of lattices of tolerance relations.Algebra Universalis 12 (1981), 247–255. Zbl 0469.08003, MR 0608668, 10.1007/BF02483883 |
Reference:
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[kn:CR83] I. Chajda and J. Rachunek: Relational characterizations of permutable and $n$-permutable varieties.Czechoslovak Math. J. 33 (1983), 505–508. MR 0721079 |
Reference:
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[kn:Csa70] B. Csákány: Characterizations of regular varieties.Acta Sci. Math. (Szeged) 31 (1970), 187–189. MR 0272697 |
Reference:
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[kn:DMS87] B.A. Davey, K.R. Miles, and V.J. Schumann: Quasi-identities, Mal’cev conditions and congruence regularity.Acta. Sci. Math. (Szeged) 51 (1987), 39–55. MR 0911557 |
Reference:
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[kn:Dud83b] J. Duda: On two schemes applied to Mal’cev type theorems.Annales Universitatis Scientiarum Budapestiensis. Sectio Mathematica 26 (1983), 39–45. Zbl 0518.08002, MR 0719774 |
Reference:
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[kn:Dud87] J. Duda: Mal’cev conditions for varieties of subregular algebras.Acta Sci. Math. (Szeged) 51 (1987), 329–334. Zbl 0647.08002, MR 0940937 |
Reference:
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[kn:Fic68] K. Fichtner: Varieties of universal algebras with ideals.Mat. Sbornik 75(117) (1968), 445–453. (Russian) Zbl 0213.29602, MR 0222001 |
Reference:
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[kn:Fic70] K. Fichtner: Eine Bermerkung über Mannigfaltigkeiten universeller Algebren mit Idealen.Monatsh. d. Deutsch. Akad. d. Wiss. (Berlin) 12 (1970), 21–25. MR 0256968 |
Reference:
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[kn:Hag73] J. Hagemann: On regular and weakly regular congurences.Technical report, Technische Hoschschule Darmstadt, June 1973, (Preprint No. 75). |
Reference:
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[kn:HM73] J. Hagemann and A. Mitschke: On $n$-permutable congruences.Algebra Universalis 3 (1973), 8–12. MR 0330010, 10.1007/BF02945100 |
Reference:
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[kn:Idz83] P.M. Idziak: On varieties of BCK-algebras.Math. Japonica 28 (1983), 157–162. Zbl 0518.06015, MR 0692565 |
Reference:
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[kn:Idz84a] P.M. Idziak: Lattice operation in BCK-algebras.Math. Japonica 29 (1984), 839–846. Zbl 0555.03030, MR 0803438 |
Reference:
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[kn:Idz84b] P.M. Idziak: Filters and congruence relations in BCK-semilattices.Math. Japonica 29 (1984), 975–980. Zbl 0555.03032, MR 0803455 |
Reference:
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[kn:IT78] K. Iséki and S. Tanaka: An introduction to the theory of BCK-algebras.Math. Japonica 23 (1978), 1–26. MR 0500283 |
Reference:
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[kn:Raf94] J. G. Raftery: Ideal determined varieties need not be congruence 3-permutable.Algebra Universalis 31 (1994), 293–297. Zbl 0803.08001, MR 1259356, 10.1007/BF01236524 |
Reference:
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[kn:Wil70] R. Wille: Kongruenzklassengeometrien, volume 113 of Lecture Notes in Mathematics.Springer-Verlag, Berlin-Heidelberg-New York, 1970. MR 0262149 |
Reference:
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[kn:Wro83a] A. Wroński: BCK-algebras do not form a variety.Math. Japonica 28 (1983), 211–213. MR 0699585 |
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