The sixtieth birthday of Professor Bedřich Pondělíček

 Access to full text

 Full (PDF)

1. Note to the problem of intersecting broken lines (Czech), Čas. pěst. mat. 83 (1958), 236–240. (1958) 
2. On a certain group of endomorphisms on a simply ordered set I (Czech), Čas. pěst. mat. 84 (1959), 177–182. (1959) 
3. On a certain group of endomorphisms on a simply ordered set II (Czech), Čas. pěst. mat. 85 (1960), 263–273. (1960) 
4. Bemerkung zu einer Halbgruppe der Endomorphismen auf einer einfach geordneten Menge, Čas. pěst. mat. 85 (1960), 410–417. (1960) Zbl0122.02601MR0130312
5. On singular systems of integer-differential equations with constant coefficients and their realization by linear electric circerits (Czech), Práce ČVUT, řada III elektrotechnická, č. 5 (1965), 63–72. (1965) 
6. On characters of chains (Czech), Čas. pěst. mat. 91 (1966), 1–3 (Spoluautor: O. Kowalski.). (1966) MR0190043
7. On characters of semigroups whose idempotents form a chain (Czech), Čas. pěst. mat. 91 (1966), 4–7. (1966) MR0197602
8. Note to the Richards transformation (Russian), Acta Polytechnica — Práce ČVUT, III 1 (1967), 27–34. (1967) 
9. The diameter of the graph of a semigroup (Czech), Čas. pěst. mat. 92 (1967), 206–211. (1967) MR0223275
10. On periodic and recurrent compact groupoids, Čas. pěst. mat. 93 (1968), 262–272. (1968) MR0252550
11. A contribution to the foundations of network theory using the distribution theory, Czechoslov. Math. J. 19(94) (1969), 697–710. (1969) MR0253047
12. On a certain relation for closure operations on a semigroup. Czechoslov. Math. J., 20(95) (1970), 220–231. (1970) MR0260905
13. Note on a certain relation for closure operations on a compact semigroup, Czechoslov. Math. J. 20(95) (1970), 337–339. (1970) MR0260906
14. Contribution to the foundations of network theory using the distribution theory, II, Czechoslov. Math. J. 21(96) (1971), 35–45. (1971) Zbl0217.16703MR0276763
15. A certain equivalence on a semigroup, Czechoslov. Math. J. 21(96) (1971), 109–117. (1971) Zbl0217.36404MR0283110
16. Right prime ideals and maximal right ideals in semigroups, Mat. Čas. Slovensk. Akad. Vied 21 (1971), 87–90. (1971) Zbl0219.20043MR0302801
17. A note on classes of regularity in semigroups, Mat. Čas. Slovensk. Akad. Vied 21 (1971), 312–317. (1971) Zbl0235.20057MR0301122
18. Green’s relations on a compact semigroup, Czechoslov. Math. J. 22(97) (1972), 69–77. (1972) Zbl0235.22006MR0299715
19. Archimedean equivalence on ordered semigroups, Czechoslov. Math. J. 22(97) (1972), 210–219. (1972) Zbl0251.06025MR0294200
20. A note on an ideal quasi-order in semigroups, Publ. Math. Debrecen 18 (1972), 177–182. (1972) MR0308302
21. A characterization of semilattices of left or right groups, Czechoslov. Math. J. 22(97) (1972), 522–524. (1972) Zbl0247.20073MR0313431
22. A note on radicals of semigroups, Mat. Čas. Slovensk. Akad. Vied 23 (1973), 14–16. (1973) Zbl0253.20084MR0327954
23. A relation for closure operations on a semigroup, Mat. Čas. Slovensk. Akad. Vied 23 (1973), 249–256. (1973) Zbl0265.20053MR0364509
24. On weakly commutative semigroups, Czechoslov. Math. J. 25(100) (1975), 20–23. (1975) Zbl0307.20039MR0387460
25. 10.1016/0034-4877(75)90019-1, Rep. on Math. Phys. 8 (1975), 75–77. (1975) MR0411455DOI10.1016/0034-4877(75)90019-1
26. $T$-prime subsets in semigroups. Mat. Čas. Slovensk. Akad. Vied, 25 (1975), 223–229. (1975) MR0399320
27. On semigroups having regular globals, Colloquia Math. Soc. János Bolyai 20. Algebraic theory of semigroups, Szeged, 1976, pp. 453–461. (1976) MR0541132
28. The chain of right ideals in rings and semigroups, Ann. Univ. Sci. Budapest, Sectio Math. 20 (1977), 21, 22. (1977) Zbl0372.16012MR0476798
29. On tolerances on periodic semigroups, Czechoslov. Math. J. 28(103) (1978), 647–649. (1978) Zbl0399.20053MR0498924
30. On the intersection graph of a commutative distributive groupoid, Math. Slovaca 29 (1979), 57–62. (1979) Zbl0408.20040MR0561777
31. 10.1007/BF02574187, Semigroup Forum 18 (1979), 229–233. (1979) Zbl0419.06008MR0549003DOI10.1007/BF02574187
32. 10.1007/BF02572517, Semigroup Forum 19 (1980), 213–218. (1980) Zbl0429.06003MR0564230DOI10.1007/BF02572517
33. Relative compact elements in lattices, Colloquia Math. Soc. János Bolayai 33, Szeged (1980), 667–674. (1980) MR0724289
34. On representations of tolerance ordered commutative semigroups, Czechoslov. Math. J. 31(106) (1981), 153–158. (1981) Zbl0469.20035MR0604121
35. 10.1007/BF02572812, Semigroup Forum 22 (1981), 331–337. (1981) Zbl0465.20058MR0619189DOI10.1007/BF02572812
36. On compositional and convolutional discrete systems, Kybernetika 17 (1981), 277–286. (1981) Zbl0469.93066MR0643915
37. Note on a completely symmetrical semigroup, Notes on Semigroups VII, 1981–4, 1–4, Dept. of Math. Karl Marx Univ. of Economics, Budapest. Zbl0478.20042
38. Atomicity of tolerance lattices of commutative semigroups, Czechoslov. Math. J. 33(108) (1983), 485–498. (1983) Zbl0535.20041MR0718931
39. Modularity and distributivity of tolerance lattices of commutative inverse semigroups, Czechoslov. Math. J. 35(110) (1985), 146–157. (1985) Zbl0581.20058MR0779342
40. Modularity and distributivity of tolerance lattices of commutative separative semigroups, Czechoslov. Math. J. 35(110) (1985), 333–337. (1985) Zbl0573.20062MR0787135
41. Note on quasi Hamiltonian semigroups, Čas. pěst. mat. 110 (1985), 356–358. (1985) Zbl0588.20036MR0820325
42. Semigroups whose proper one-sided ideals are $t$-archimedean, Mat. Věstnik 37 (1985), 315–321. (1985) Zbl0601.20055
43. Tolerance distributive and tolerance modular varieties of commutative semigroups, Czechoslov. Math. J. 36(11) (1986), 485–488. (1986) Zbl0614.20043MR0847775
44. On a certain class of BCK-algebras with condition (S), Math. Japonica 31 (1986), no. 5, 775–782. (1986) Zbl0616.03044MR0872798
45. Tolerance distributive and tolerance boolean varieties of semigroups, Czechoslov. Math. J. 36(111) (1986), 617–622. (1986) Zbl0612.20033MR0863191
46. Note on band decompositions of weakly exponential semigroups, Ann. Univ. Sci. Budapest, Sectio Math 29 (1986), 139–141. (1986) Zbl0622.20054MR0893495
47. Note on nilpotency in semigroups, Math. Slovaca 37 (1987), 205–208. (1987) Zbl0632.20038MR0899437
48. Note on the congruence lattice of a commutative separative semigroup, Čas. pěst. mat. 113 (1988), 74–79. (1988) Zbl0639.20043MR0930808
49. Commutative semigroups whose lattice of tolerances is boolean, Czechoslov. Math. J. 38(113) (1988), 226–230. (1988) Zbl0657.20052MR0946290
50. Principal tolerance trivial commutative semigroups, Acta Sci. Math. 52 (1988), 29–33. (1988) Zbl0651.08002MR0957785
51. Direct decomposability of tolerances and congruences on semigroups, Czechoslov. Math. J. 38(113) (1988), 701–704. (1988) Zbl0668.08002MR0962913
52. Algebras with tolerance extension property in $O$, Czechoslov. Math. J. 39(114) (1989), 142–146, (coauthor: I. Chajda). (1989) MR0983491
53. On $\alpha$-ideals and generalized $\alpha$-ideals in semigroups, Czechoslov. Math. J. 39(114) (1989), 522–527, (coauthor: M. M. Miccoli). (1989) Zbl0684.20053MR1006318
54. Tolerance modular varieties of semigroups, Czechoslov. Math. J. 40(115) (1990), 441–452. (1990) Zbl0731.20039MR1065023
55. On varieties of regular $*$-semigroups, Czechoslov. Math. J. 42(116) (1991), 110–119. (1991) MR1087630
56. On varieties of regular $*$-semigroups, II, Czechoslov. Math. J. 41(116) (1991), 512–517. (1991) MR1117804
57. On permutability in semigroup varieties, Mathematica Bohemica 116 (1991), 396–400. (1991) Zbl0746.20034MR1146398