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RSCTC
2004
Springer
157views Fuzzy Logic» more  RSCTC 2004»
14 years 1 days ago
Rough Approximations under Level Fuzzy Sets
The combination of fuzzy set and rough set theories lead to various models. Functional and set approaches are two categories based on different fuzzy representations. In this pape...
W.-N. Liu, Jingtao Yao, Yiyu Yao
ISCI
2002
106views more  ISCI 2002»
13 years 6 months ago
Neighborhood operator systems and approximations
This paper presents a framework for the study of generalizing the standard notion of equivalence relation in rough set approximation space with various categories of k-step neighb...
Wei-Zhi Wu, Wen-Xiu Zhang
SPAA
2009
ACM
14 years 7 months ago
An optimal local approximation algorithm for max-min linear programs
In a max-min LP, the objective is to maximise subject to Ax 1, Cx 1, and x 0 for nonnegative matrices A and C. We present a local algorithm (constant-time distributed algorith...
Patrik Floréen, Joel Kaasinen, Petteri Kask...
SI3D
2009
ACM
14 years 1 months ago
Real-time creased approximate subdivision surfaces
We present an extension of recently developed Loop and Schaefer’s approximation of Catmull-Clark surfaces (ACC) for surfaces with creases and corners which are essential for mos...
Denis Kovacs, Jason Mitchell, Shanon Drone, Denis ...
ISSAC
2005
Springer
70views Mathematics» more  ISSAC 2005»
14 years 5 days ago
Approximation of dynamical systems using s-systems theory: application to biological systems
In this article we propose a new symbolic-numeric algorithm to find positive equilibria of a n-dimensional dynamical system. This algorithm uses a symbolic manipulation of ODE in...
Laurent Tournier