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» The Linear Complexity of a Graph
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COCO
2000
Springer
65views Algorithms» more  COCO 2000»
15 years 5 months ago
On the Complexity of Quantum ACC
For any q > 1, let MODq be a quantum gate that determines if the number of 1’s in the input is divisible by q. We show that for any q, t > 1, MODq is equivalent to MODt (u...
Frederic Green, Steven Homer, Chris Pollett
90
Voted
VVS
1998
IEEE
106views Visualization» more  VVS 1998»
15 years 4 months ago
An Exact Interactive Time Visibility Ordering Algorithm for Polyhedral Cell Complexes
A visibility ordering of a set of objects, from a given viewpoint, is a total order on the objects such that if object a obstructs object b, then b precedes a in the ordering. Suc...
Cláudio T. Silva, Joseph S. B. Mitchell, Pe...
105
Voted
IJAC
2007
116views more  IJAC 2007»
15 years 15 days ago
On the Complexity of the Whitehead Minimization Problem
The Whitehead minimization problem consists in finding a minimum size element in the automorphic orbit of a word, a cyclic word or a finitely generated subgroup in a finite rank...
Abdó Roig, Enric Ventura, Pascal Weil
108
Voted
SDM
2007
SIAM
171views Data Mining» more  SDM 2007»
15 years 2 months ago
A Better Alternative to Piecewise Linear Time Series Segmentation
Time series are difficult to monitor, summarize and predict. Segmentation organizes time series into few intervals having uniform characteristics (flatness, linearity, modality,...
Daniel Lemire
DAM
2007
77views more  DAM 2007»
15 years 17 days ago
Decompositions of graphs of functions and fast iterations of lookup tables
We show that every function f implemented as a lookup table can be implemented such that the computational complexity of evaluating f m(x) is small, independently of m and x. The ...
Boaz Tsaban