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2000
104views more  MISQ 2000»
15 years 3 months ago
Understanding Computer-Mediated Discussions: Positivist and Interpretive Analyses of Group Support System Use
This research considers whether interpretive techniques can be used to enhance our understanding of computer-mediated discussions. The case study considered in this research is th...
Eileen M. Trauth, Leonard M. Jessup
ETVC
2008
15 years 5 months ago
Statistical Computing on Manifolds: From Riemannian Geometry to Computational Anatomy
Computational anatomy is an emerging discipline that aims at analyzing and modeling the individual anatomy of organs and their biological variability across a population. The goal ...
Xavier Pennec
FOCS
2007
IEEE
15 years 10 months ago
On the Complexity of Nash Equilibria and Other Fixed Points (Extended Abstract)
d Abstract) Kousha Etessami LFCS, School of Informatics University of Edinburgh Mihalis Yannakakis Department of Computer Science Columbia University We reexamine what it means to...
Kousha Etessami, Mihalis Yannakakis
BCS
2008
15 years 5 months ago
Beatbox - A Computer Simulation Environment for Computational Biology of the Heart
Despite over a century's study, the trigger mechanisms of cardiac arrhythmias are poorly understood. Even modern experimental methods do not provide sufficient temporal and s...
Ross McFarlane, Irina V. Biktasheva
FOCS
2009
IEEE
15 years 10 months ago
Settling the Complexity of Arrow-Debreu Equilibria in Markets with Additively Separable Utilities
We prove that the problem of computing an Arrow-Debreu market equilibrium is PPAD-complete even when all traders use additively separable, piecewise-linear and concave utility fun...
Xi Chen, Decheng Dai, Ye Du, Shang-Hua Teng