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MOC
1998
102views more  MOC 1998»
14 years 12 months ago
New results in equal sums of like powers
This paper reports on new results for the equation m i=1 ak i = n j=1 bk j , i.e., equal sums of like powers. Since the 1967 Lander, Parkin and Selfridge survey paper [4], few othe...
Randy L. Ekl
VLDB
1994
ACM
101views Database» more  VLDB 1994»
15 years 4 months ago
New Concurrency Control Algorithms for Accessing and Compacting B-Trees
This paper initially presents a brief but fairly exhaustive survey of solutions to the concurrency control problem for B-trees. We then propose a new solution, which is characteri...
V. W. Setzer, Andrea Zisman
MP
2002
95views more  MP 2002»
15 years 4 min ago
The mathematics of playing golf, or: a new class of difficult non-linear mixed integer programs
We consider a class of non-linear mixed integer programs with n integer variables and k continuous variables. Solving instances from this class to optimality is an NP-hard problem....
Giovanni Rinaldi, Ulrich Voigt, Gerhard J. Woeging...
ICCAD
1994
IEEE
134views Hardware» more  ICCAD 1994»
15 years 4 months ago
Boolean constrained encoding: a new formulation and a case study
1 This paper provides a new, generalized approach to the problem of encoding information as vectors of binary digits. We furnish a formal definition for the Boolean constrained enc...
Ney Laert Vilar Calazans
GECCO
2007
Springer
149views Optimization» more  GECCO 2007»
15 years 6 months ago
Optimal antenna placement using a new multi-objective chc algorithm
Radio network design (RND) is a fundamental problem in cellular networks for telecommunications. In these networks, the terrain must be covered by a set of base stations (or anten...
Antonio J. Nebro, Enrique Alba, Guillermo Molina, ...