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- Christoph Albrecht
- IEEE Trans. on CAD of Integrated Circuits andâ€¦
- 2001

We show how the new approximation algorithms by Garg and KÃ¶nemann with extensions due to Fleischer for the multicommodity flow problem can be modified to solve the linear programming relaxation ofâ€¦ (More)

- Christoph Albrecht, Bernhard Korte, JÃ¼rgen Schietke, Jens Vygen
- 1999 IEEE/ACM International Conference onâ€¦
- 1999

We consider the problem of finding an optimal clock schedule, i.e. optimal arrival times for clock signals at latches of a VLSI chip. We describe a general model which includes all previouslyâ€¦ (More)

- Christoph Albrecht
- ISPD
- 2000

We show how the new approximation algorithms by Garg and KSnemann for the multicommodity flow problem can be modified to solve the linear programming relaxation of the global routing problem. Theâ€¦ (More)

- Christoph Albrecht, Arif Merchant, +5 authors Eric Schrock
- USENIX Annual Technical Conference
- 2013

Janus is a system for partitioning the flash storage tier between workloads in a cloud-scale distributed file system with two tiers, flash storage and disk. The file system stores newly created filesâ€¦ (More)

- Christoph Albrecht, Andrew B. Kahng, Ion I. Mandoiu, Alex Zelikovsky
- VLSI Design
- 2002

We describe a new algorithm for floorplan evaluation using timing-driven buffered routing according to a prescribed buffer site map. Specifically, we describe a provably good multi-commodity flowâ€¦ (More)

- Christoph Albrecht
- Proceedings of the Design Automation & Test inâ€¦
- 2006

The clock latency scheduling problem is usually solved on the sequential graph, also called register-to-register graph. In practice, the extraction of the sequential graph for the given circuit isâ€¦ (More)

- Christoph Albrecht, Peter Kruger, +4 authors Paul van Jaarsveld
- South African medical journal = Suid-Afrikaanseâ€¦
- 1995

OBJECTIVE
To study the pharmacokinetic behaviour of hypoxoside taken orally by 24 patients with lung cancer.
DESIGN
Randomised open study with three single doses of 1,600, 2,400 and 3,200 mgâ€¦ (More)

- Willemina Campbell, Jaya Nair, +5 authors Christoph Albrecht
- Planta medica
- 1998

Four known alkaloids, lycorine (1), 1,2-di-O-acetyllycorine (2), ambelline (3), and crinine (4) were isolated from the bulbs of Brunsvigia littoralis (Amaryllidaceae). 1H- and 13C-NMR spectra of 2â€¦ (More)

- Christoph Albrecht, Bernhard Korte, JÃ¼rgen Schietke, Jens Vygen
- Discrete Applied Mathematics
- 2002

The maximum mean weight cycle problem is well-known: given a digraph G with weights 9 c :E(G) â†’ R, 3nd a directed circuit in G whose mean weight is maximum. Closely related is the minimum balanceâ€¦ (More)

- Murray Stokely, Amaan Mehrabian, Christoph Albrecht, FranÃ§ois Labelle, Arif Merchant
- ScienceCloud '12
- 2012

Provisioning scarce resources among competing users and jobs remains one of the primary challenges of operating large-scale, distributed computing environments. Distributed storage systems, inâ€¦ (More)