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SIAMDM
2010
113views more  SIAMDM 2010»
13 years 4 months ago
The VPN Problem with Concave Costs
We consider the following network design problem. We are given an undirected network with costs on the edges, a set of terminals, and an upper bound for each terminal limiting the ...
Samuel Fiorini, Gianpaolo Oriolo, Laura Sanit&agra...
SIAMJO
2010
155views more  SIAMJO 2010»
13 years 4 months ago
Optimal Portfolio Execution Strategies and Sensitivity to Price Impact Parameters
When liquidating a portfolio of large blocks of risky assets, an institutional investor wants to minimize the cost as well as the risk of execution. An optimal execution strategy ...
Somayeh Moazeni, Thomas F. Coleman, Yuying Li
SODA
2012
ACM
245views Algorithms» more  SODA 2012»
12 years 8 days ago
Lower bounds for number-in-hand multiparty communication complexity, made easy
In this paper we prove lower bounds on randomized multiparty communication complexity, both in the blackboard model (where each message is written on a blackboard for all players ...
Jeff M. Phillips, Elad Verbin, Qin Zhang
KDD
2002
ACM
170views Data Mining» more  KDD 2002»
14 years 10 months ago
On interactive visualization of high-dimensional data using the hyperbolic plane
: se the concept of visualizing general abstract data by intermediate projection into the hyperbolic space. Its favorable properties were reported earlier and led to the "hype...
Helge Ritter, Jörg A. Walter
SMA
2005
ACM
239views Solid Modeling» more  SMA 2005»
14 years 3 months ago
Bender: a virtual ribbon for deforming 3D shapes in biomedical and styling applications
In contrast to machined mechanical parts, the 3D shapes encountered in biomedical or styling applications contain many tubular parts, protrusions, engravings, embossings, folds, a...
Ignacio Llamas, Alexander Powell, Jarek Rossignac,...