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SIAMSC
2011
140views more  SIAMSC 2011»
14 years 2 months ago
A Fast Parallel Algorithm for Selected Inversion of Structured Sparse Matrices with Application to 2D Electronic Structure Calcu
Abstract. An efficient parallel algorithm is presented and tested for computing selected components of H−1 where H has the structure of a Hamiltonian matrix of two-dimensional la...
Lin Lin, Chao Yang, Jianfeng Lu, Lexing Ying, Wein...
ICALP
2009
Springer
16 years 3 days ago
Universal Succinct Representations of Trees?
Abstract. We consider the succinct representation of ordinal and cardinal trees on the RAM with logarithmic word size. Given a tree T, our representations support the following ope...
Arash Farzan, Rajeev Raman, S. Srinivasa Rao
GBRPR
2009
Springer
15 years 3 months ago
Homeomorphic Alignment of Edge-Weighted Trees
Abstract. Motion capture, a currently active research area, needs estimation of the pose of the subject. This requires a match between a model and the 3D shape, constructed using a...
Benjamin Raynal, Michel Couprie, Venceslas Biri
RSCTC
2000
Springer
143views Fuzzy Logic» more  RSCTC 2000»
15 years 3 months ago
On Efficient Construction of Decision Trees from Large Databases
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
Hung Son Nguyen
SI3D
1995
ACM
15 years 3 months ago
Shadow Volume BSP Trees for Computation of Shadows in Dynamic Scenes
This paper presents an algorithm for shadow calculation in dynamic polyhedral scenes illuminated by point light sources. It is based on a modi cation of Shadow Volume Binary Space...
Yiorgos Chrysanthou, Mel Slater