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Bulletin of the American Mathematical Society

Published by the American Mathematical Society, the Bulletin of the American Mathematical Society (BULL) is devoted to research articles of the highest quality in all areas of pure and applied mathematics.

ISSN 1088-9485 (online) ISSN 0273-0979 (print)

The 2020 MCQ for Bulletin of the American Mathematical Society is 0.47.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.


Note on $\Gamma ^*$-semigroups
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by Takayuki Tamura PDF
Bull. Amer. Math. Soc. 68 (1962), 505-508
  • Takayuki Tamura, On a monoid whose sobmonoids form a chain, J. Gakugei Tokushima Univ. 5 (1954), 8–16. MR 69812
  • Takayuki Tamura, Note on unipotent inversible semigroups, K\B{o}dai Math. Sem. Rep. 6 (1954), 93–95. {Volume numbers not printed on issues until Vol. 7 (1955)}. MR 65554
  • Takayuki Tamura, The theory of construction of finite semigroups. III. Finite unipotent semigroups, Osaka Math. J. 10 (1958), 191–204. MR 102560
  • Marshall Hall Jr., The theory of groups, The Macmillan Company, New York, N.Y., 1959. MR 0103215
  • Hans J. Zassenhaus, The theory of groups, Chelsea Publishing Co., New York, 1958. 2nd ed. MR 0091275
  • 6. M. Osima, Group theory, Kyoritsusha, Tokyo, 1954 (Japanese).
  • D. Rees, On semi-groups, Proc. Cambridge Philos. Soc. 36 (1940), 387–400. MR 2893
  • Garrett Birkhoff, Lattice Theory, Revised edition, American Mathematical Society Colloquium Publications, Vol. 25, American Mathematical Society, New York, N. Y., 1948. MR 0029876
Additional Information
  • Journal: Bull. Amer. Math. Soc. 68 (1962), 505-508
  • DOI:
  • MathSciNet review: 0139681