Abstract
Based on a four-term exact sequence, the formulae on the dimensions of the first and the second Hochschild cohomology groups of special biserial algebras with normed bases are obtained in terms of combinatorics.
Similar content being viewed by others
References
Hochschild G. On the cohomology groups of an associative algebra. Ann Math, 46: 58–67 (1945)
Gerstenhaber M. On the deformation of rings and algebras. Ann Math, 79: 59–103 (1964)
Assem I, de la Peña J A. The foundamental groups of a triangular algebra. Comm Algebra, 24(1): 187–208 (1996)
Happel D. Hochschild cohomology of finite dimensional algebras. Lecture Notes in Mathematics, Vol 1404. Berlin: Springer, 1989, 108–126
Skowroński A. Simply connected algebras and Hochschild cohomologies. Proc ICRA VI, Ottawa, 1992, Canad Math Proc, 14: 431–447 (1993)
Geiss Ch, de la Peña J A. On the deformation theory of algebras. Manuscripta Math, 88: 191–208 (1995)
Cibils C. Cohomology of incidence algebras and simplicial complexes. J Pure Appl Algebra, 56: 221–232 (1989)
Gerstenhaber M, Schack S P. Simplicial cohomology is Hochschild cohomology. J Pure Appl Algebra, 30: 143–156 (1983)
Cibils C. Rigidity of truncated quiver algebras. Adv Math, 79: 18–42 (1990)
Locateli A C. Hochschild cohomology of truncated quiver algebras. Comm Algebra, 27: 645–664 (1999)
Zhang P. Hochschild cohomology of truncated algebras. Sci China Ser A-Math (in Chinese), 24: 1121–1125 (1994)
Zhang P. Hochschild cohomology of truncated basic cycle. Sci China Ser A-Math, 40: 1272–1278 (1997)
Xu Y G, Han Y, Jiang W F. On Hochschild cohomology of truncated algebras. Sci China Ser A-Math, 50(5): 727–736 (2007)
Xu Y G, Han Y. Hochschild (co)homology of exterior algebras. Comm Algebra, 35(1): 115–131 (2007)
Bautista R, Gabriel P, Roiter A V, Salmerón L. Representation-finite algebras and multiplicative bases. Invent Math, 81: 217–285 (1985)
Ringel C M. The indecomposable representations of the dihedral 2-group. Math Ann, 214: 19–34 (1975)
Skowroński A, Waschbüsch J. Representation-finite biserial algebras. J Reine Angew Math, 345: 172–181 (1983)
Wald W, J Waschbüsch. Tame biserial algebras. J Algebra, 95: 480–500 (1985)
Erdmann K. Blocks of tame representation type and related algebras. Lecture Notes in Mathematics, Vol 1428. Berlin: Springer-Verlag, 1990
Gelfand I M, Ponomarev V A. Indecomposable representations of the Lorentz group. Usp Math Nask, 23: 3–60 (1968)
Baues H J, Hennes M. The homotopy classfication of (n-1)-connected (n + 3)-dimensional polyhedra, n ⩾ 4. Topol ogy, 30: 373–408 (1992)
Drozd Yu A, Greuel G M. Vector bundles on singular projective curves. In: Applications of Algebraic Geometry to Coding Theory, Physics and Computation. Kluwer Academic Publishers, 2001, 1-15
Huisgen-Zimmermann B. The phantom menace in representation theory. Contemp Math, 259: 247–278 (2000)
Schröer J. On the Krull-Gabriel dimension of an algebra. Math Z, 233: 287–303 (2000)
Brown P. The Ext-algebra of a representation-finite biserial algebra. J Algebra, 221: 611–629 (1999)
Butler M C R, King A D. Minimal resolutions of algebras. J Algebra, 212: 323–362 (1999)
Cibils C. Rigid monomial algebras. Math Ann, 289: 95–109 (1991)
Gerstenhaber M, Schack S P. Relative Hochschild cohomology, rigid algebras, and the bockstein. J Pure Appl Algebra, 43: 53–74 (1986)
Ringel C M. Combinatorial representation theory: history and future. Proc ICRA IX, Beijing, 2000. Beijing: Beijing Normal University Press, 2002, 122–144
Author information
Authors and Affiliations
Corresponding author
Additional information
This work was partially supported by the National Natural Science Foundation of China (Grant No. 10501010) and the Important Foundation of Hubei Provincial Department of Education (D200510005)
Rights and permissions
About this article
Cite this article
Xu, Yg. Hochschild cohomology of special biserial algebras. SCI CHINA SER A 50, 1117–1128 (2007). https://doi.org/10.1007/s11425-007-0063-y
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11425-007-0063-y