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IPCO
1998
99views Optimization» more  IPCO 1998»
15 years 5 months ago
Non-approximability Results for Scheduling Problems with Minsum Criteria
We provide several non-approximability results for deterministic scheduling problems whose objective is to minimize the total job completion time. Unless P = NP, none of the probl...
Han Hoogeveen, Petra Schuurman, Gerhard J. Woeging...
APN
2010
Springer
15 years 4 months ago
Forward Analysis for Petri Nets with Name Creation
Pure names are identifiers with no relation between them, except equality and inequality. In previous works we have extended P/T nets with the capability of creating and managing p...
Fernando Rosa Velardo, David de Frutos-Escrig
AMAI
2005
Springer
15 years 4 months ago
Generalizations of matched CNF formulas
A CNF formula is called matched if its associated bipartite graph (whose vertices are clauses and variables) has a matching that covers all clauses. Matched CNF formulas are satisf...
Stefan Szeider
JPDC
2007
92views more  JPDC 2007»
15 years 4 months ago
Dynamically mapping tasks with priorities and multiple deadlines in a heterogeneous environment
In a distributed heterogeneous computing system, the resources have different capabilities and tasks have different requirements. To maximize the performance of the system, it is ...
Jong-Kook Kim, Sameer Shivle, Howard Jay Siegel, A...
CPC
2004
98views more  CPC 2004»
15 years 4 months ago
And/Or Trees Revisited
We consider boolean functions over n variables. Any such function can be represented (and computed) by a complete binary tree with and or or in the internal nodes and a literal in...
Brigitte Chauvin, Philippe Flajolet, Danièl...