no. 1
Torsors and special extensions
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 26 (1985) no. 1, pp. 63-90. 
@article{CTGDC_1985__26_1_63_0,
     author = {Vale, Maria J.},
     title = {Torsors and special extensions},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {63--90},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {26},
     number = {1},
     year = {1985},
     mrnumber = {794417},
     zbl = {0578.18010},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1985__26_1_63_0/}
}
TY  - JOUR
AU  - Vale, Maria J.
TI  - Torsors and special extensions
JO  - Cahiers de Topologie et Géométrie Différentielle Catégoriques
PY  - 1985
SP  - 63
EP  - 90
VL  - 26
IS  - 1
PB  - Dunod éditeur, publié avec le concours du CNRS
UR  - http://www.numdam.org/item/CTGDC_1985__26_1_63_0/
LA  - en
ID  - CTGDC_1985__26_1_63_0
ER  - 
%0 Journal Article
%A Vale, Maria J.
%T Torsors and special extensions
%J Cahiers de Topologie et Géométrie Différentielle Catégoriques
%D 1985
%P 63-90
%V 26
%N 1
%I Dunod éditeur, publié avec le concours du CNRS
%U http://www.numdam.org/item/CTGDC_1985__26_1_63_0/
%G en
%F CTGDC_1985__26_1_63_0
Vale, Maria J. Torsors and special extensions. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 26 (1985) no. 1, pp. 63-90. http://www.numdam.org/item/CTGDC_1985__26_1_63_0/

1 M. André, Méthode simpliciale en Algèbre homologique et Algèbre commutative, Lecture Notes in Math. 32, Springer (1967). | MR | Zbl

2 J.M. Barja & M.J. Vale, Crossed modules and cohomology in categories of interest, Preprint, 1983.

3 M. Barr, Exact categories, Lecture Notes in Math. 236. Springer (1971), 1-119. | Zbl

4 M. Barr& J. Beck, Acyclic models and triples, Proc. Conf. on Categorical Algebra (La Jolla, Springer (1966), 336-343. | MR | Zbl

5 J. Beck, Triples, Algebras and Cohomology, Ph.D. Thesis, Columbia Univ., 1967.

6 K.S. Brown, Cohomology of groups, Springer, Berlin, 1982. | MR | Zbl

7 J.L. Bueso, Invariantes de Baer en una categoria de Kurosh (Thesis), Alxebra 30, Univ. Santiago de Compostela, 1980. | MR | Zbl

8 C. Chevalley& S. Eilenberg, Cohomology theory of Lie groups and Lie algebras, Trans. A.M.S. 63 (1948), 85-124. | MR | Zbl

9 J.W. Duskin, Simplicial methods and the interpretation of "triple" cohomology, Mem. A.M.S. 3 (1975), 2, n° 163. | MR | Zbl

10 J.W. Duskin, Higher dimensional torsors and the cohomology of topoi: the abelian theory, Lecture Notes in Math. 755, Springer (1979). | MR | Zbl

11 A. Frohlich, Baer-invariants of algebras, Trans. A.M.S. 109 (1963), 221-244. | MR | Zbl

12 J. Furtado-Coelho, Homology and generalized Baer-invariants, J. Algebra 40 (1976), 596-609. | MR | Zbl

13 J. Furtado-Coelho, Homology and V-central series, I, Studia Sci. Math. Hungar. 14 (1979), 375-380. | MR | Zbl

14 M. Gerstenhaber, On the deformation of rings and lgebras, II, Ann. of Math. 84 (1966), 1-19. | MR | Zbl

15 P.G. Glenn, Realization of cohomology classes in arbitrary exact categories, J. Pure Appl. Algebra 25 (1982), 33-105. | MR | Zbl

16 A.R. Grandjean& L. Franco, Sucesión exacta de cinco términos, Collect. Math. 33 (1982), 67-75. | MR | Zbl

17 D.K. Harrison, Commutative algebras and cohomology, Trans. A.M.S. 104 (1962), 191-204. | MR | Zbl

18 D.F. Holt, An interpretation of the cohomology groups Hn(G, M), J. Algebra 60 (1979), 307-318. | MR | Zbl

19 J. Huebschmann, Crossed n-fold extensions of groups and cohomology, Comm. Math. Helv. 55 (1980), 302-313. | MR | Zbl

20 C. Kassel& J.-L. Loday, Extensions centrales d'algèbres de Lie, Ann. Inst. Fourier 32, 4 (1982), 119-142. | Numdam | MR | Zbl

21 S. Lichtenbaum& M. Schlessinger, The cotangent complex of a morphism, Trans. A.M.S. 128 (1967), 41-70. | MR | Zbl

22 J.-L. Loday, Cohomologie et Groupe De Steinberg relatifs, J. Algebra 54 (1978), 178-202. | MR | Zbl

23 A.S.-T. Lue, Cohomology of algebras relative to a variety, Math. Z. 121 (1971), 220-232. | MR | Zbl

24 A.S.-T. Lue, Cohomology of groups relative to a variety, J. Algebra 69 (1981), 155-174. | MR | Zbl

25 S. Maclane, Homology, Springer, 1975. | MR

26 G. Orzech, Obstruction theory in algebraic categories, I, II, J. Pure Appl. Algebra 2 (1972), 287-314 and 315-340. | MR | Zbl

27 D. Quilien, Homotopical Algebra, Lecture Notes in Math. 43, Springer (1967). | MR | Zbl

28 D. Quillen, On the (co-)homology of commutative rings, Proc. Symp. in Pure Math. XVII, A.M.S. Providence (1970), 65-87. | MR | Zbl

29 J.G. Ratcliffe, Crossed extensions, Trans. A.M.S. 257 (1980), 73-89. | MR | Zbl

30 C. Rodriguez, Invariantes de Baer y Cohomologia en variedades de Ω-grupos (Thesis), Alxebra 28, Univ. Santiago de Compostela (1980). | Zbl

31 N. Shimada, H. Uehara, F. Brenneman& A. Iwai, Triple cohomalogy of algebras and two term extensions, Publ. RIMS, Kyoto Univ. 5 (1969), 267-285. | MR | Zbl

32 M.J. Vale, Torsores, Extensiones y Cohomologia(Thesis), Alxebra 37 (1982).

33 J.H.C. Whitehead, Combinatorial homotopy, II, Bull. A.M.S. 55 (1949), 453-496. | MR | Zbl

34 N. Yoneda, On Ext and exact sequences, J. Fac. Sci. Tokyo, I, 8 (1960), 507-576. | MR | Zbl