Markus Neuhauser

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Let T1, . . . , Td be homogeneous trees with degrees q1 + 1, . . . , qd + 1 ≥ 3, respectively. For each tree, let h : Tj → Z be the Busemann function with respect to a fixed boundary point (end). Its level sets are the horocycles. The horocyclic product of T1, . . . , Td is the graphDL(q1, . . . , qd) consisting of all d-tuples x1 · · ·xd ∈ T1×· · ·×Td with(More)
Let G be a finitely generated group and X its Cayley graph with respect to a finite, symmetric generating set S. Furthermore, let H be a finite group and H ≀G the lamplighter group (wreath product) over G with group of “lamps” H. We show that the spectral measure (Plancherel measure) of any symmetric “switch–walk–switch” random walk on H ≀G coincides with(More)
BACKGROUND Hepatocellular carcinoma (HCC) is a well-known complication of hereditary hemochromatosis. The benefit of surgical therapy in this clinical entity is not well documented. The purpose of this study was to evaluate the outcome of such patients both in our own experience as well as in the published literature. METHODS 320 patients with a diagnosis(More)
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