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COMGEO
2004
ACM
13 years 9 months ago
Tiling space and slabs with acute tetrahedra
We show it is possible to tile three-dimensional space using only tetrahedra with acute dihedral angles. We present several constructions to achieve this, including one in which a...
David Eppstein, John M. Sullivan, Alper Üng&o...
EAAI
2010
119views more  EAAI 2010»
13 years 8 months ago
A heuristic-based framework to solve a complex aircraft sizing problem
Aircraft sizing studies consist in determining the main characteristics of an aircraft starting from a set of requirements. These studies can be summarized as global constrained o...
Céline Badufle, Christophe Blondel, Thierry...
SIAMJO
2010
83views more  SIAMJO 2010»
13 years 8 months ago
The Lifted Newton Method and Its Application in Optimization
Abstract. We present a new “lifting” approach for the solution of nonlinear optimization problems (NLPs) that have objective and constraint functions with intermediate variable...
Jan Albersmeyer, Moritz Diehl
SIAMSC
2010
116views more  SIAMSC 2010»
13 years 8 months ago
Recursively Accelerated Multilevel Aggregation for Markov Chains
A recursive acceleration method is proposed for multiplicative multilevel aggregation algorithms that calculate the stationary probability vector of large, sparse, and irreducible ...
Hans De Sterck, K. Miller, G. Sanders, M. Winlaw
WIOPT
2010
IEEE
13 years 8 months ago
Resource allocation for cross-layer utility maximization in multi-hop wireless networks in the presence of self interference
Abstract—The cross-layer utility maximization problem subject to stability constraints is considered for a multi-hop wireless network. A time slotted network, where the channel g...
Chathuranga Weeraddana, Marian Codreanu, Matti Lat...