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EOR
2002
105views more  EOR 2002»
13 years 11 months ago
Review of properties of different precedence graphs for scheduling problems
Precedence constraints are a part of a definition of any scheduling problem. After recalling, in precise graph-theoretical terms, the relations between task-on-arc and task-on-nod...
Jacek Blazewicz, Daniel Kobler
EOR
2002
67views more  EOR 2002»
13 years 11 months ago
Solving the multiple competitive facilities location problem
In this paper we propose five heuristic procedures for the solution of the multiple competitive facilities location problem. A franchise of several facilities is to be located in ...
Tammy Drezner, Zvi Drezner, Said Salhi
EOR
2002
80views more  EOR 2002»
13 years 11 months ago
On generalized semi-infinite optimization and bilevel optimization
The paper studies the connections and differences between bilevel problems (BL) and generalized semi-infinite problems (GSIP). Under natural assumptions (GSIP) can be seen as a sp...
Oliver Stein, Georg Still
EOR
2002
66views more  EOR 2002»
13 years 11 months ago
Dynamic multi-objective heating optimization
We develop a multicriteria approach to the problem of space heating under a time varying price of electricity. In our dynamic goal programming model the goals are ideal temperatur...
Raimo P. Hämäläinen, Juha Mänt...
EOR
2002
85views more  EOR 2002»
13 years 11 months ago
An improved algorithm for the packing of unequal circles within a larger containing circle
This paper describes an approved algorithm for the problems of unequal circle packing
Huaiqing Wang, Wenqi Huang, Quan Zhang, Dongming X...
EOR
2002
84views more  EOR 2002»
13 years 11 months ago
Solving container loading problems by block arrangement
In order to solve heterogeneous single and multiple container loading problems, an algorithm is presented that builds homogeneous blocks of identically orientated items. First a g...
Michael Eley
EOR
2002
74views more  EOR 2002»
13 years 11 months ago
Modeling multistage cutting stock problems
In multistage cutting stock problems (CSP) the cutting process is distributed over several successive stages. Every stage except the last one produces intermediate products. The l...
Eugene J. Zak