Vanishing of Hochschild Cohomologies for Local Rings with Embedding Dimension Two
Canadian mathematical bulletin, Tome 38 (1995) no. 1, pp. 59-65

Voir la notice de l'article provenant de la source Cambridge University Press

Let S = k[[x,y]] be a formal power series ring in two variables x, y over a field k and I an (x, y)-primary ideal of S. We show that S/I is selfinjective if Hi(S/I, S/I ⊗k S/I) = 0 for i = 1 and 2.
DOI : 10.4153/CMB-1995-008-9
Mots-clés : 13E10, 16E40, 16L60
Hoshino, Mitsuo. Vanishing of Hochschild Cohomologies for Local Rings with Embedding Dimension Two. Canadian mathematical bulletin, Tome 38 (1995) no. 1, pp. 59-65. doi: 10.4153/CMB-1995-008-9
@article{10_4153_CMB_1995_008_9,
     author = {Hoshino, Mitsuo},
     title = {Vanishing of {Hochschild} {Cohomologies} for {Local} {Rings} with {Embedding} {Dimension} {Two}},
     journal = {Canadian mathematical bulletin},
     pages = {59--65},
     year = {1995},
     volume = {38},
     number = {1},
     doi = {10.4153/CMB-1995-008-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-008-9/}
}
TY  - JOUR
AU  - Hoshino, Mitsuo
TI  - Vanishing of Hochschild Cohomologies for Local Rings with Embedding Dimension Two
JO  - Canadian mathematical bulletin
PY  - 1995
SP  - 59
EP  - 65
VL  - 38
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-008-9/
DO  - 10.4153/CMB-1995-008-9
ID  - 10_4153_CMB_1995_008_9
ER  - 
%0 Journal Article
%A Hoshino, Mitsuo
%T Vanishing of Hochschild Cohomologies for Local Rings with Embedding Dimension Two
%J Canadian mathematical bulletin
%D 1995
%P 59-65
%V 38
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-008-9/
%R 10.4153/CMB-1995-008-9
%F 10_4153_CMB_1995_008_9

[1] 1. Asashiba, H., The selfinjectivity of a local algebra A and the condition CMS Conf. Proc. 11(1991), 9–23. Google Scholar

[2] 2. Asashiba, H. and Hoshino, M., Bilinear maps which define local algebras with trivial Hochschild cohomology, CMS Conf. Proc. 14(1993), 15–28. Google Scholar

[3] 3. Asashiba, H. and Hoshino, M., Local rings with vanishing Hochschild cohomologies, Comm. Algebra 22(1994), 2309–2316. Google Scholar

[4] 4. Auslander, M., Coherent functors, Proc. Conf. Cat. Algebra, Springer, Berlin, 1966, 189–231. Google Scholar

[5] 5. Hoshino, M., On algebras with radical cube zero, Arch. Math. 52(1989), 226–232. Google Scholar

[6] 6. Nakayama, T., On algebras with complete homology, Abh. Math. Sem. Univ. Hamburg 22(1958), 300–307. Google Scholar

[7] 7. Tachikawa, H., Quasi-Frobenius rings and generalizations, Lecture Notes in Math. 351, Springer, Berlin, 1973. Google Scholar

[8] 8. Zeng, Q., Vanishing of Hochschilds cohomologies Hi(AA) and gradability of a local commutative algebra A, Tsukuba J. Math. 14(1990), 263–273. Google Scholar

[9] 9. Zeng, Q., On the vanishing of Hochschild cohomology Hx (A, A ®k A) for a local algebra A, Tsukuba J. Math. 16(1992), 363–376. Google Scholar

[10] 10. Zeng, Q., Vanishing of Hochschild cohomologies and directed graphs with polynomial weights, J. Algebra 154(1993), 387–405. Google Scholar

Cité par Sources :