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JUCS
2007
105views more  JUCS 2007»
14 years 9 months ago
Graded Sparse Graphs and Matroids
: Sparse graphs and their associated matroids play an important role in rigidity theory, where they capture the combinatorics of some families of generic minimally rigid structures...
Audrey Lee, Ileana Streinu, Louis Theran
SIAMJO
2000
86views more  SIAMJO 2000»
14 years 9 months ago
On the SQAP-Polytope
The SQAP-polytope was associated to quadratic assignment problems with a certain symmetric objective function structure by Rijal (1995) and Padberg and Rijal (1996). We derive a te...
Michael Jünger, Volker Kaibel
ECCC
1998
117views more  ECCC 1998»
14 years 9 months ago
Determinant: Old Algorithms, New Insights
In this paper we approach the problem of computing the characteristic polynomial of a matrix from the combinatorial viewpoint. We present several combinatorial characterizations of...
Meena Mahajan, V. Vinay
AAAI
2004
14 years 11 months ago
Fuzzy Induction in Dynamic User Profiling for Information Filtering
one. The assignment of the weights is performed according to the following two conditions: 1) The sum of weights assigned to the links outgoing from the original keyword has to be ...
Rafal A. Angryk, Costin Barbu
ORL
2008
160views more  ORL 2008»
14 years 10 months ago
Efficient nested pricing in the simplex algorithm
We report a remarkable success of nested pricing rules over major pivot rules commonly used in practice, such as Dantzig's original rule as well as the steepest-edge rule and ...
Ping-Qi Pan