共 50 条
- [1] EMBEDDING SEMIGROUPS INTO SEMIGROUPS OF CLOSED RELATIONS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1975, 22 (07): : A719 - A720
- [2] SEMIGROUPS OF CONTINUOUS RELATIONS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1973, 20 (07): : A676 - A676
- [3] LEFT CANCELLATIVE SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (05): : A572 - &
- [4] REGULARITY AND GREENS RELATIONS FOR SANDWICH SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1975, 22 (01): : A102 - A102
- [5] GREENS RELATIONS FOR REGULAR ELEMENTS OF SEMIGROUPS OF ENDOMORPHISMS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A88 - A89
- [6] MENGER ALGEBRAS AND LEFT IDEALS IN ASSOCIATED SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1971, 18 (01): : 133 - &
- [7] SEMIGROUPS OF CONTINUOUS RELATIONS ON COMPACT TOTALLY DISCONNECTED SPACES - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1974, 21 (01): : A220 - A221
- [8] PRODUCT SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1972, 19 (01): : A7 - &
- [9] MONOTONE SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1970, 17 (07): : 1024 - &
- [10] SIMPLE SEMIGROUPS - PRELIMINARY REPORT [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1971, 18 (01): : 134 - &