148 citations · 677 across the 41 of their papers we have counts for
Showing 2005 · math-phShow all
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math-ph2005★ 13 cited
Torsion in Tiling Homology and Cohomology
Franz Gähler, John Hunton, Johannes Kellendonk
The first author's recent unexpected discovery of torsion in the integral cohomology of the Tübingen Triangle Tiling has led to a re-evaluation of current descriptions of and calcu…
math-ph2005
A topological version of Levinson's theorem
Johannes Kellendonk, Serge Richard
In the framework of scattering theory, we show how the scattering matrix can be related to the projection on the bound states by an index map of K-theory. Pairings with appropriate…