|
Matematicheskie Zametki, 1970, Volume 7, Issue 6, Pages 687–692
(Mi mzm9553)
|
|
|
|
This article is cited in 1 scientific paper (total in 1 paper)
Retracts of structures
T. S. Fofanova Moscow Institute of Mechanical Engineering
Abstract:
It is proved that the category of all structures does not contain nontrivial injective objects. Necessary and sufficient conditions are derived under which any substructure (ideal, filter) of a structure $L$ is a retract of $L$.
Received: 19.05.1969
Citation:
T. S. Fofanova, “Retracts of structures”, Mat. Zametki, 7:6 (1970), 687–692; Math. Notes, 7:6 (1970), 415–418
Linking options:
https://www.mathnet.ru/eng/mzm9553 https://www.mathnet.ru/eng/mzm/v7/i6/p687
|
Statistics & downloads: |
Abstract page: | 149 | Full-text PDF : | 68 | First page: | 1 |
|