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- Stefan Erb, Andreas F Widmer, +4 authors Philipp Grosse
- Infection control and hospital epidemiology
- 2013

Thirty-nine hemodialysis patients with permanent central venous catheters were analyzed for bacterial catheter colonization comparing different catheter-lock strategies. The closed needleless Tego connector with sodium chloride lock solution was significantly more frequently colonized with bacteria than the standard catheter caps with antimicrobially active… (More)

- Matthew J. Struebig, Andreas Wilting, +5 authors Stephanie Kramer-Schadt
- Current Biology
- 2015

Responses of biodiversity to changes in both land cover and climate are recognized [1] but still poorly understood [2]. This poses significant challenges for spatial planning as species could shift, contract, expand, or maintain their range inside or outside protected areas [2-4]. We examine this problem in Borneo, a global biodiversity hotspot [5], using… (More)

- Manuela Fischer, Mohsen Ghaffari
- ArXiv
- 2017

We present improved deterministic distributed algorithms for a number of well-studied matching problems, which are simpler, faster, more accurate, and/or more general than their known counterparts. The common denominator of these results is a deterministic distributed rounding method for certain linear programs, which is the first such rounding method, to… (More)

- Matthew J Struebig, Manuela Fischer, +6 authors Stephanie Kramer-Schadt
- Global change biology
- 2015

Habitat loss and climate change pose a double jeopardy for many threatened taxa, making the identification of optimal habitat for the future a conservation priority. Using a case study of the endangered Bornean orang-utan, we identify environmental refuges by integrating bioclimatic models with projected deforestation and oil-palm agriculture suitability… (More)

- M B Zarrop, M Fischer, +10 authors K S Sin
- 1996

h indirect adaptive control, there is a range of possibilities<lb>between [he two extremes of applying the certainty equivalence principle,<lb>wtdch ems only be optimal asymptotically, and dual control, which is not<lb>a praeticaf proposition for on-line schemes. Here, it is proposed to design<lb>indirect adaptive controlled using measures of central… (More)

- Manuela Fischer, Mohsen Ghaffari, Fabian Kuhn
- ArXiv
- 2017

We present a deterministic distributed algorithm that computes a (2∆ − 1)-edge-coloring, or even list-edge-coloring, in any n-node graph with maximum degree ∆, in O(log ∆ · logn) rounds. This answers one of the long-standing open questions of distributed graph algorithms from the late 1980s, which asked for a polylogarithmic-time algorithm. See, e.g., Open… (More)

- M Fischer, S Groote, J G Körner, M C Mauser
- 2008

We calculate the full O(αs) radiative corrections to the three spin independent and five spin dependent structure functions that describe the angular decay distribution in the decay of a polarized top quark into a W -boson (followed by the decay W+ → l+ + νl or by W + → q̄ + q) and a bottom quark. The angular decay distribution is described in cascade… (More)

The dominant contribution to the inclusive decays of B mesons into the charmstrangeness mesons Ds and D ∗ s is expected to be given by the partonic process b→ c + (D s ,D s ). We determine the nonperturbative O(1/mb ) and the O(αs) radiative corrections to b→ c + (D s ,D s ) and thereby to the inclusive decays B̄ → Xc + (D s ,D s ). The new feature of our… (More)

The kth power of a cycle is obtained by adding an edge between all pairs of vertices whose distance on the cycle is at most k. In 1962, Pósa conjectured that a graph G on n vertices contains a square of a Hamilton cycle if it has minimum degree δ(G) ≥ 3 n, and, 11 years later, Seymour claimed that δ(G) ≥ k k+1 n is sufficient for the appearance of a kth… (More)