Tolerances and congruences on tree algebras

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Tolerances and congruences on tree algebras. (English). Czechoslovak Mathematical Journal, vol. 25 (1975), issue 4, pp. 634-637

MSC: 05C05, 08A05 | MR 0387099 | Zbl 0327.08002 | DOI: 10.21136/CMJ.1975.101358

References:

[1] L. Nebeský: Algebraic Properties of Trees. Acta Univ. Carol. Philologica- Monographia XXV, 1969. MR 0274210

[2] O. Ore: Theory of Graphs. Providence 1962. MR 0150753 | Zbl 0105.35401

[3] E. C. Zeeman: The Topology of the Brain and Visual Perception. In: The Topology of 3-Manifolds. Ed. by K. M. Fort, pp. 240-256. MR 0140374

[4] B. Zelinka: Tolerance in Algebraic Structures. Czech. Math. J. 20 (1970), 179-183. MR 0260653 | Zbl 0197.01002

[5] B. Zelinka: Tolerance in Algebraic Structures II. Czech. Math. J. 25 (1975), 175-178. MR 0457323 | Zbl 0316.08001

[6] I. Chajda, B. Zelinka: Tolerance Relations on Lattices. Čas. pěstov. mat. 99 (1974), 394-399. MR 0360380

[7] В. Zelinka: Tolerance Relations on Semilattices. Comment. Math. Univ. Carol. 16 (1975), 333-338. MR 0369199 | Zbl 0326.06004

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