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ALGORITHMICA
2007
82views more  ALGORITHMICA 2007»
15 years 7 months ago
Rigid Components in Molecular Graphs
In this paper we consider 3-dimensional generic bar-and-joint realizations of squares of graphs. These graphs are also called molecular graphs due to their importance in the study...
Bill Jackson, Tibor Jordán
ANOR
2010
102views more  ANOR 2010»
15 years 7 months ago
Ejection chain and filter-and-fan methods in combinatorial optimization
The design of effective neighborhood structures is fundamentally important for creating better local search and metaheuristic algorithms for combinatorial optimization. Significant...
César Rego, Fred Glover
153
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ARSCOM
2007
91views more  ARSCOM 2007»
15 years 7 months ago
Zero-Sum Magic Graphs And Their Null Sets
For any h ∈ N, a graph G = (V, E) is said to be h-magic if there exists a labeling l : E(G) → Zh − {0} such that the induced vertex labeling l+ : V (G) → Zh defined by l+ ...
Ebrahim Salehi
AUTOMATICA
2007
161views more  AUTOMATICA 2007»
15 years 7 months ago
Principles of 2-sliding mode design
Second order sliding modes are used to keep exactly a constraint of the second relative degree or just to avoid chattering, i.e. in the cases when the standard (first order) slidi...
Arie Levant
AUTOMATICA
2008
75views more  AUTOMATICA 2008»
15 years 7 months ago
Optimal complexity reduction of polyhedral piecewise affine systems
This paper focuses on the NP-hard problem of reducing the complexity of piecewise polyhedral systems (e.g. polyhedral piecewise affine (PWA) systems). The results are fourfold. Fi...
Tobias Geyer, Fabio Danilo Torrisi, Manfred Morari