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CORR
2008
Springer
106views Education» more  CORR 2008»
15 years 4 months ago
Modular difference logic is hard
In connection with machine arithmetic, we are interested in systems of constraints of the form x + k y + k . Over integers, the satisfiability problem for such systems is polynomi...
Nikolaj Bjørner, Andreas Blass, Yuri Gurevi...
APPML
2006
61views more  APPML 2006»
15 years 4 months ago
On a mathematical model of immune competition
This work deals with the qualitative analysis of a nonlinear integro-differential model of immune competition with special attention to the dynamics of tumor cells contrasted by t...
C. Cattani, Alexandre G. Ciancio, B. Lods
ARSCOM
2006
140views more  ARSCOM 2006»
15 years 4 months ago
Expansion Properties Of Levi Graphs
ABSTRACT. The Levi graph of a balanced incomplete block design is the bipartite graph whose vertices are the points and blocks of the design, with each block adjacent to those poin...
Dominic Lanphier, C. Miller, Jason Rosenhouse, A. ...
CSCW
2006
ACM
15 years 4 months ago
Walking the Tightrope: The Balancing Acts of a Large e-Research Project
Although e-Research has received much attention and acclaim in recent years, the realities of distributed collaboration still challenge even the most well-planned endeavors. This c...
Katherine A. Lawrence
CSCW
2006
ACM
15 years 4 months ago
Seamless Integration: Standardisation across Multiple Local Settings
The pressure towards tighter or ``seamless'' integration of health information systems is a recurring issue with both practical and analytical relevance. It taps into a d...
Gunnar Ellingsen, Eric Monteiro