References
Eckmann, B., andP. J. Hilton: Groupes d'homotopie et dualité I. Groupes absolus. Compt. rend.246, 2444 (1958); 2. Suites exactes. Compt. rend.246, 2555 (1958);3. Coefficients. Compt. rend.246, 2993 (1958).
Group-like structures in general categories I. Multiplications and comultiplications. Math. Ann.145, 227 (1962).
-- -- Group-like structures in general categories II. Equalizers. Limits. Lengths. Math. Ann. (to appear).
Structure maps in group theory. Fundamenta Math.50, 207 (1961).
Hilton, P. J.: Remark on the free product of groups. Trans. Am. Math. Soc.96, 478 (1960).
Note on free and direct products. Bull. Soc. Math. Belgique13, 38 (1961).
Kan, D. M.: On homotopy theory and c.s.s. groups. Ann. Math.68, 38 (1958).
Monoids and their dual. Bol. Soc. Math. Mex.3, 52 (1958).
Kurosh, A. C., A. Kh. Livshits andE. G. Shul'geifer: Foundations of the theory of categories. Uspekhi Matem. Nauk XV,6, 1 (1960).
Author information
Authors and Affiliations
Additional information
Dedicated to ProfessorB. L. van der Waerden on the occasion of his sixtieth birthday
This research was partly supported by the U.S. Department of Army through its European Research Office.
Rights and permissions
About this article
Cite this article
Eckmann, B., Hilton, P.J. Group-like structures in general categories III primitive categories. Math. Ann. 150, 165–187 (1963). https://doi.org/10.1007/BF01470843
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01470843