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math.OA2013★ 4 cited
K-theory of crossed products of tiling C*-algebras by rotation groups
Charles Starling
Let be a tiling space and let be the maximal group of rotations which fixes . Then the cohomology of and are both invariants which give useful geometric inform…
math.DS2013
Division Point Measures from Primitive Substitutions
Daniel Gonçalves, Charles Starling
In this note we extend results of Olli concerning limits of point measures arising from substitutions. We consider a general primitive substitution on a finite polygon set in $\mat…