2 papers
math.AG2003
Combinatorial Duality and Intersection Product: A Direct Approach
Gottfried Barthel, Jean-Paul Brasselet, Karl-Heinz Fieseler +1
The proof of the combinatorial Hard Lefschetz Theorem for the ``virtual'' intersection cohomology of a not necessarily rational polytopal fan that has been presented by K. Karu com…
math.AG1999
Equivariant Intersection Cohomology of Toric Varieties
Gottfried Barthel, Jean-Paul Brasselet, Karl-Heinz Fieseler +1
We investigate the equivariant intersection cohomology of a toric variety. Considering the defining fan of the variety as a finite topological space with the subfans being the open…