Characterization of injective envelopes

Hans-E. Porst

Cahiers de Topologie et Géométrie Différentielle Catégoriques (1981)

  • Volume: 22, Issue: 4, page 399-406
  • ISSN: 1245-530X

How to cite


Porst, Hans-E.. "Characterization of injective envelopes." Cahiers de Topologie et Géométrie Différentielle Catégoriques 22.4 (1981): 399-406. <>.

author = {Porst, Hans-E.},
journal = {Cahiers de Topologie et Géométrie Différentielle Catégoriques},
keywords = {essential extensions; injective extensions; injective envelopes},
language = {eng},
number = {4},
pages = {399-406},
publisher = {Dunod éditeur, publié avec le concours du CNRS},
title = {Characterization of injective envelopes},
url = {},
volume = {22},
year = {1981},

AU - Porst, Hans-E.
TI - Characterization of injective envelopes
JO - Cahiers de Topologie et Géométrie Différentielle Catégoriques
PY - 1981
PB - Dunod éditeur, publié avec le concours du CNRS
VL - 22
IS - 4
SP - 399
EP - 406
LA - eng
KW - essential extensions; injective extensions; injective envelopes
UR -
ER -


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  2. 2 Banaschewski, B., Injectivity and essential extensions in equational classes of algebras, Queen's papers in Pure and Applied Mathematics25 (Proc. Conf. on Universal Algebra Kingston 1969), Kingston (1970), 131-147. Zbl0233.18002MR258708
  3. 3 Banaschewski, B., Essential extensions of T0-spaces, Gen. Top. and Appl.7 (1977), 233-246. Zbl0371.54026MR458354
  4. 4 Herrlich, H., Initial completions, Math. Z.150 (1976), 101-110. Zbl0319.18001MR437614
  5. 5 Isbell, J.R., Six theorems about injective metric spaces, Comment. Math. Helv.39 (1964), 65-76. Zbl0151.30205MR182949
  6. 6 Porst, H.-E., Characterizations of Mac Neille completions and topological functors, Bull. Austral. Math. Soc.18 (1978), 201-210. Zbl0379.18004MR498774
  7. 7 T Aylo R, W., Residually small varieties, Algebra Univ.2 (1972), 33-53. Zbl0263.08005MR314726

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