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math.RA2010
Three-Dimensional Manifolds, Skew-Gorenstein Rings and their Cohomology
Jan-Erik Roos
Graded skew-commutative rings occur often in practice. Here are two examples: 1) The cohomology ring of a compact three-dimensional manifold. 2) The cohomology ring of the compleme…
math.RA2010
Three-Dimensional Manifolds, Skew-Gorenstein Rings and their Cohomology
Jan-Erik Roos
Graded skew-commutative rings occur often in practice. Here are two examples: 1) The cohomology ring of a compact three-dimensional manifold. 2) The cohomology ring of the compleme…