A note on minimal modular symbols
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- by Avner Ash PDF
- Proc. Amer. Math. Soc. 96 (1986), 394-396 Request permission
Abstract:
For any arithmetic group, a set of geometrically-defined cohomology classes is constructed which spans the cohomology of the group with rational coefficients in the highest nonvanishing dimension thereof.References
- Avner Ash and Lee Rudolph, The modular symbol and continued fractions in higher dimensions, Invent. Math. 55 (1979), no. 3, 241–250. MR 553998, DOI 10.1007/BF01406842
- A. Borel and J.-P. Serre, Corners and arithmetic groups, Comment. Math. Helv. 48 (1973), 436–491. MR 387495, DOI 10.1007/BF02566134
- Armand Borel, Introduction aux groupes arithmétiques, Publications de l’Institut de Mathématique de l’Université de Strasbourg, XV. Actualités Scientifiques et Industrielles, No. 1341, Hermann, Paris, 1969 (French). MR 0244260
- Avner Ash, Non-square-integrable cohomology of arithmetic groups, Duke Math. J. 47 (1980), no. 2, 435–449. MR 575906
Additional Information
- © Copyright 1986 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 96 (1986), 394-396
- MSC: Primary 22E40; Secondary 11E72, 11F67
- DOI: https://doi.org/10.1090/S0002-9939-1986-0822426-7
- MathSciNet review: 822426