Conferences


  1. Algebra and Logic, Cetinje, 1986


  2. Colloquium on Semigroups, Szeged, 1987


  3. Algebra and Logic, Sarajevo, 1987


  4. Colloquium on Semigroups, Wien, 1988


  5. Algebra and Logic, Maribor, 1989


  6. Second International Mathematical Conference, Budapest, 1988


  7. Filomat 20, Niš, 1991


  8. International Conference on Algebra, Plovdiv, 1992


  9. Filomat 92, Niš, 1992


  10. International Conference on Semigroups and Algebras of Computer Languages, Qingdao, China, 1993


  11. Algebraic structures and applications, Beograd, 1994


  12. Colloquium on Semigroups, Szeged, 1994


  13. Mathematical Conference in Priština, Priština, 1994


  14. Filomat 94, Niš, 1994


  15. International Conference on Algebra, Logic and Discrete Mathematics, Niš, 1995 (Member of the Program Committee)


  16. IX Congress of Yugoslav Mathematicians, Petrovac, 1995


  17. International Conference in Semigroups and Their Related Topics, Kunming, Yunnan, China, 1995


  18. Second Mathematical Conference in Priština, 1996


  19. Kurepa's Symposium, Belgrade, 1996


  20. PRIM '96 - 11th Conference on Applied Mahtematics, Budva, 1996


  21. Conference on General Algebra and Discrete Mathematics (in honour of H. J. Hoehnke), Potsdam, Germany, 1996


  22. International Memorial Conference "D. S. Mitrinović", Niš, 1996


  23. Conference on Semigroups and Their Applications, Prague, Czech Republic, 1996


  24. I Congress of Macedonian Mathematicians and Informaticians, Ohrid, 1996


  25. Symposium: Fifty years of Mathematical Institute SANU, Beograd, 1996


  26. Semigroups and Applications, St. Andrews, 1997


  27. International Algebraic Conference dedicated to the memory of L. M. Gluskin, Slovyansk, Ukraine 1997


  28. International Congress in Algebras and Combinatorics, Hong Kong, 1997


  29. Logic and Computer Science -- LIRA, Novi Sad, 1997


  30. PRIM '97 -- 12th Conference on Applied Mathematics, Palic, 1997


  31. PRIM '98 - 13th Conference on Applied Mathematics, Igalo, 1998


  32. Conference of Ph.D. Students in Computer Science, Szeged, Hungary, 1998


  33. Conference on Lattices and Universal Algebra, Szeged, Hungary, 1998


  34. International Congress of Mathematicians, Berlin, Germany, 1998


  35. Workshop on General Algebra and Discrete Mathematics, Potsdam, Germany, 1998


  36. VIII Conference Algebra and Logic, Novi Sad, 1998 (Member of the Program Committee)


  37. International Conference of Semigroups, Braga, Portugal, 1999


  38. 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999


  39. Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999 (Member of the Program Committee)


  40. Third International Colloquium on Words, Languages and Combinatorics, Kyoto, Japan, 2000


  41. Algebraic Systems, Formal Languages and Computation, Kyoto, Japan, 2000.


  42. Colloquium on Semigroups, Szeged, Hungary, 2000


  43. Second Conference of Ph.D. Students in Computer Science, Szeged, Hungary, 2000.


  44. New Accomplishments in Mathematics, Banja Luka, Republic of Srpska, 2000.





Conference Talks


  1. M. Ćirić, C-(m,n)-ideal semigroups, Algebra and Logic, Cetinje, 1986.


  2. M. Ćirić, Construction of c-(m,n)-ideal semigroups, Algebra and Logic, Sarajevo, 1987.


  3. M. Ćirić, C-(m,n)-ideal semigroups, Colloquium on Semigroups, Szeged, Hungary, 1987.


  4. S. Bogdanović and M. Ćirić, Un+1-semigroups, Colloquium on Semigroups, Wien, Austria, 1988.


  5. S. Bogdanović and M. Ćirić, Un+1-semigroups, Second Internatinal Mathematical Mini Conference, Budapest, Hungary, 1988.


  6. S. Bogdanović and M. Ćirić, Tight semigroups, Algebra and Logic, Maribor, 1989.


  7. S. Bogdanović and M. Ćirić, Decompositions of semigroups, (Invited lecture), Filomat 20, Niš, 1991.


  8. M. Ćirić and S. Bogdanović, Semilattice decompositions of semigroups and their applications, Filomat 92, Niš, 1992.


  9. S. Bogdanović and M. Ćirić, The theory of semilattice decompositions of semigroups, International Conference of Algebra, Plovdiv, Bulgaria, 1992.


  10. M. Ćirić and S. Bogdanović, Decompositions of semigroups induced by identities, International Conference of Algebra, Plovdiv, Bulgaria, 1992.


  11. S. Bogdanović and M. Ćirić, The theory of semilattice decompositions of semigroups (Invited lecture), International Conference on Semigroups and Algebras of Computer Languages, Qingdao, China, 1993.


  12. S. Bogdanović and M. Ćirić, Theory of decompositions of semigroups with zero (Invited lecture), Algebraic structures and applications, Belgrade, 1994.


  13. M. Ćirić and S. Bogdanović, Subdirect products of a band and a group, Algebraic structures and applications, Belgrade, 1994.


  14. S. Bogdanović, M. Ćirić and T. Petković, Generalized regularity in semigroups and rings (Invited lecture), Mathematical Conference in Priština, Priština, 1994.


  15. M. Ćirić and S. Bogdanović, Theory of semigroups and computer science, Filomat 94, Niš, 1994.


  16. M. Ćirić and S. Bogdanović, Band compositions of semigroups, Colloquium on Semigroups, Szeged, 1994.


  17. S. Bogdanović and M. Ćirić, Orthogonal sums of semigroups, Colloquium on Semigroups, Szeged, 1994.


  18. M. Ćirić and S. Bogdanović, Theory of greatest decompositions of semigroups (Invited lecture), International Conference on Algebra, Logic and Discrete Mathematics, Niš, 1995.


  19. S. Bogdanović and M. Ćirić, Semilattices of weakly left Archimedean semigroups, International Conference on Algebra, Logic and Discrete Mathematics, Niš, 1995.


  20. S. Bogdanović, M. Ćirić and M. Mitrović, Semigroups whose subsemigroups are semilattices of Archimedean semigroups, International Conference on Algebra, Logic and Discrete Mathematics, Niš, 1995.


  21. M. Ćirić, S. Bogdanović and T. Petković, A generalization of direct limits of algebras, International Conference on Algebra, Logic and Discrete Mathematics, Niš, 1995.


  22. S. Bogdanović, M. Ćirić and T. Petković, Radicals in semigroups and rings (Invited lecture), 9th Congress of Yugoslav Mathematicians, Petrovac, 1995.


  23. S. Bogdanović, M. Ćirić and M. Mitrović, Semilattices of Ln-Archimedean semigroups, 9th Congress of Yugoslav Mathematicians, Petrovac, 1995.


  24. S. Bogdanović and M. Ćirić, Quasi-orders and semilattice decompositions of semigroups (Invited lecture), International Conference in Semigroups and Their Related Topics, Kunming, Yunnan, China, 1995.


  25. S. Bogdanović and M. Ćirić, Decompositions of semigroups and automata viewed from Boolean algebras, Kurepa's Symposium, Belgrade, 1996.


  26. S. Bogdanović and M. Ćirić, The lattice of subautomata of an automaton, PRIM '96 -- 11th Conference on Applied Mathematics, Budva, 1996.


  27. M. Ćirić, S. Bogdanović and T. Petković, Recognizable relations on a free semigroup, PRIM '96 -- 11th Conference on Applied Mathematics, Budva, 1996.


  28. M. Ćirić, S. Bogdanović and Ž. Popović, Semilattice decompositions of semigroups and its applications, PRIM '96 -- 11th Conference on Applied Mathematics, Budva, 1996.


  29. S. Bogdanović, M. Ćirić and T. Petković, Sums and limits of generalized direct families of algebras, Conference on General Algebra and Discrete Mathematics (in honour of H. J. Hoehnke), Potsdam, Germany, 1996.


  30. M. Ćirić and S. Bogdanović, Normal band compositions of semigroups (Invited lecture), International Memorial Conference "D. S. Mitrinović", Niš, 1996.


  31. M. Ćirić and S. Bogdanović, Direct sum decompositions of automata, Conference on Semigroups and Their Applications, Prague, Czech Republic, 1996.


  32. S. Bogdanović, M. Ćirić and T. Petković, Semigroup identities and its recognition by automata, Conference on Semigroups and Their Applications, Prague, Czech Republic, 1996.


  33. S. Bogdanović, M. Ćirić and Ž. Popović, On semilattice decompositions of semigroups, Conference on Semigroups and Their Applications, Prague, Czech Republic, 1996.


  34. M. Ćirić, S. Bogdanović and T. Petković, The lattice of positive quasi-orders on an automaton, 2th Mathematical Conference in Priština, Priština, 1996.


  35. S. Bogdanović, M. Ćirić and Ž. Popović, Decompositions of semigroups viewed from radicals of certain relations, 2th Mathematical Conference in Priština, Priština, 1996.


  36. M. Ćirić, S. Bogdanović and M. Bogdanović, Left 0-Archimedean semigroups, 2th Mathematical Conference in Priština, Priština, 1996.


  37. M. Ćirić, S. Bogdanović and J. Kovačević, Double ideals of quasi-ordered sets and their applications, 2th Mathematical Conference in Priština, Priština, 1996.


  38. S. Bogdanović, M. Ćirić and M. Mitrović, Semilattices of hereditary Ln-Archimedean semigroups, 2th Mathematical Conference in Priština, Priština, 1996.


  39. S. Bogdanović and M. Ćirić, Posets of congruences and some their applications, 2th Mathematical Conference in Priština, Priština, 1996.


  40. S. Bogdanović, M. Ćirić and B. Stamenković, Primitive E-inversive semigroups, 2th Mathematical Conference in Priština, Priština, 1996.


  41. S. Bogdanović, M. Ćirić and T. Petković, Boolean subalgebras of the lattice of subautomata, The First Congres of Mathematicians of Macedonia, Ohrid, 1996.


  42. S. Bogdanović and M. Ćirić, Atomic decompositions of semigroups and automata, Symposium: Fifty years of the Math. Inst. SANU, Beograd, 1996.


  43. M. Mitrović, S. Bogdanović and M. Ćirić, Semilattices of Archimedean semigroups and $\pi $-regular semigroups, Semigroups and Applications, St Andrews, Scotland, 1997.


  44. Ž. Popović, S. Bogdanović and M. Ćirić, Certain congruences on completely Archimedean semigroups, Semigroups and Applications, St Andrews, Scotland, 1997.


  45. T. Petković, M. Ćirić and S. Bogdanović, Transition semigroups of trapped automata, Semigroups and Applications, St Andrews, Scotland, 1997.


  46. M. Ćirić and S. Bogdanović, Semigroups which are not divided by a five-element Brandt semigroup, Semigroups and Applications, St Andrews, Scotland, 1997.


  47. S. Bogdanović and M. Ćirić, Semilattice-matrix decompositions of semigroups (Invited lecture), International Congress in Algebras and Combinatorics, Hong Kong, 1997.


  48. S. Bogdanović, M. Ćirić and T. Petković, Lattices, semigroups and automata (Invited lecture), International Algebraic Conference dedicated to memory of L. N. Gluskin, Slovyans'k, Ukraine, 1997.


  49. S. Bogdanović, M. Ćirić and T. Petković, The lattice of subautomata of an automaton, LIRA -- Logic and Computer Science, Novi Sad, 1997.


  50. S. Bogdanović, Ž. Popović and M. Ćirić, Some graphs associated to semigroups, PRIM '97 -- 12th Conference on Applied Mathematics, Palic, 1997.


  51. M. Ćirić, T. Petković and S. Bogdanović, The structure of automata and their transition semigroups, PRIM '97 -- 12th Conference on Applied Mathematics, Palic, 1997.


  52. M. Ćirić, S. Bogdanović and J. Kovačević, Some decompositions of semigroups and automata as decompositions of quasi-ordered sets, PRIM '97 -- 12th Conference on Applied Mathematics, Palic, 1997.


  53. M. Ćirić, T. Petković and S. Bogdanović, Subdirect decompositions of automata, PRIM '98 -- 13th Conference on Applied Mathematics, Igalo, 1998.


  54. T. Petković, S. Bogdanović and M. Ćirić, Regular varieties of automata, PRIM '98 -- 13th Conference on Applied Mathematics, Igalo, 1998.


  55. S. Bogdanović, M. Ćirić and T. Petković, Generalized directable automata, PRIM '98 -- 13th Conference on Applied Mathematics, Igalo, 1998.


  56. Ž. Popović, S. Bogdanović and M. Ćirić, Subdirect decompositions of semigroups: A constructive approach, PRIM '98 -- 13th Conference on Applied Mathematics, Igalo, 1998.


  57. M. Ćirić, Automata, algebras and semigroups (Invited Lecture), Conference of PhD Students in Computer Science, Szeged, 1998.


  58. S. Bogdanović, T. Petković and M. Ćirić, Idempotent compositions of algebras, Conference on Lattices and Universal Algebra, Szeged, Hungary, 1998.


  59. M. Ćirić and S. Bogdanović, The structure of the weak congruence lattice, Conference on Lattices and Universal Algebra, Szeged, Hungary, 1998.


  60. M. Ćirić, Atomic decompositions of algebras and structures, International Congress of Mathematicians, Berlin, Germany, 1998.


  61. M. Ćirić, S. Bogdanović and T. Petković, Automata having certain local properties, Workshop on General Algebra and Discrete Mathematics, Potsdam, Germany, 1998.


  62. S. Bogdanović, B. Imreh, M. Ćirić and T. Petković, On directable automata (Invited lecture), Algebra and Logic, Novi Sad, 1998.


  63. M. Mitrović, S. Bogdanović and M. Ćirić, Locally right  p-inverse semigroups, Algebra and Logic, Novi Sad, 1998.


  64. N. Stevanović, S. Bogdanović and M. Ćirić, Semigroups whose proper ideals have certain properties, Algebra and Logic, Novi Sad, 1998.


  65. P. Stanimirović, S. Bogdanović and M. Ćirić, Adjoint mappings and inverses of matrices, Algebra and Logic, Novi Sad, 1998.


  66. M. Bogdanović, M. Ćirić and S. Bogdanović, The structure of power automata, Algebra and Logic, Novi Sad, 1998.


  67. Ž. Popović, M. Ćirić and S. Bogdanović, Congruences and subdirect decompositions of regular semigroups, Algebra and Logic, Novi Sad, 1998.


  68. J. Kovačević, M. Ćirić and S. Bogdanović, Decompositions of semigroups, automata and quasi-ordered sets, Algebra and Logic, Novi Sad, 1998.


  69. T. Petković, M. Ćirić and S. Bogdanović, Semigroups, automata and congruences on free semigroups, International Conference of Semigroups, Braga, Portugal, 1999.


  70. Ž. Popović, M. Ćirić and S. Bogdanović, Subdirect decompositions preserving some other decompositions, International Conference of Semigroups, Braga, Portugal, 1999.


  71. M. Mitrović, S. Bogdanović and M. Ćirić, Semigroups whose local submonoids have certain properties, International Conference of Semigroups, Braga, Portugal, 1999.


  72. M. Ćirić, S. Bogdanović, J. Kovačević and T. Petković, Some decompositions of semigroups unary algebras and automata, International Conference of Semigroups, Braga, Portugal, 1999.


  73. Ž. Popović, T. Petković, M. Ćirić and S. Bogdanović, On finite trapped automata, 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999.


  74. J. Kovačević, M. Ćirić, S. Bogdanović and T. Petković, Automata and their reversible states, 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999.


  75. M. Bogdanović, S. Bogdanović, T. Petković and M. Ćirić, Directable automata and their necks, 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999.


  76. T. Petković, S. Bogdanović and M. Ćirić, Semigroups assigned to directable automata, 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999.


  77. M. Ćirić, S. Bogdanović and T. Petković, Automata and their monogenic subautomata, 9th Conference on Automata and Formal Languages - AFL 99, Vasszecseny, Hungary, 1999.


  78. M. Ćirić, S. Bogdanović, T. Petković and P. Stanimirović, Equations and regularity conditions in semigroups (Invited lecture), Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999.


  79. T. Petković, M. Ćirić and S. Bogdanović, Correspondences between automata and semigroups, Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999.


  80. Ž. Popović, S. Bogdanović, T. Petković and M. Ćirić, The least P-congruences on automata, Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999.


  81. M. Mitrović, S. Bogdanović and M. Ćirić, Regular subsets and local submonoids of semigroups, Seminar in Algebra and Logic in honor of 65thbirthday of Professor S. Milic, Novi Sad, 1999.


  82. A. Stamenković, S. Bogdanović and M. Ćirić, Primitive idempotents in semigroups, Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999.


  83. N. Stevanović, S. Bogdanović and M. Ćirić, Semigroups in which any proper ideal is sn-simple, Seminar in Algebra and Logic in honor of 65th birthday of Professor S. Milic, Novi Sad, 1999.


  84. M. Ćirić, T. Petković and S. Bogdanović, Syntactic and semantic properties of semigroup identities, Third International Colloquium on Words, Languages and Combinatorics, Kyoto, Japan, 2000.


  85. T. Petković, M. Ćirić and S. Bogdanović, Nonregular varieties of automata, Third International Colloquium on Words, Languages and Combinatorics, Kyoto, Japan, 2000.


  86. Ž. Popović, S. Bogdanović, M. Ćirić and T. Petković, On finite generalized directable automata, Third International Colloquium on Words, Languages and Combinatorics, Kyoto, Japan, 2000.


  87. M. Mitrović, S. Bogdanović and M. Ćirić, Iteration of Matrix Decompositions, Third International Colloquium on Words, Languages and Combinatorics, Kyoto, Japan, 2000.


  88. Ž. Popović, S. Bogdanović and M. Ćirić, Semidirect products of Archimedean semigroups, PRIM 2000 -- 14th Conference on Applied Mathematics, Palic, 2000.


  89. M. Ćirić, S. Bogdanović, P. Stanimirović and T. Petković, Regularity equations and conditions on semigroups, Colloquium on Semigroups, Szeged, Hungary, 2000.


  90. J. Kovačević, M. Ćirić , S. Bogdanović and T. Petković, Semigroup theoretical methods in automata theory, Colloquium on Semigroups, Szeged, Hungary, 2000.


  91. T. Petković, M. Ćirić and S. Bogdanović, Variable varieties of semigroups, Colloquium on Semigroups, Szeged, Hungary, 2000.


  92. Ž. Popović, S. Bogdanović and M. Ćirić, Regularity and Archimedeaness of semidirect products of semigroups, Colloquium on Semigroups, Szeged, Hungary, 2000.


  93. A. Stamenković, S. Bogdanović and M. Ćirić, Primitive idempotents in semigroups, Colloquium on Semigroups, Szeged, Hungary, 2000.


  94. M. Ćirić and S. Bogdanović, Niš school for semigroups and automata (Invited lecture), New Accomplishments in Mathematics, Banja Luka, Republic of Srpska, 2000.