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COMBINATORICS
2007
87views more  COMBINATORICS 2007»
15 years 3 months ago
A Bijection on Dyck Paths and its Cycle Structure
The known bijections on Dyck paths are either involutions or have notoriously intractable cycle structure. Here we present a size-preserving bijection on Dyck paths whose cycle st...
David Callan
AUTOMATICA
2005
95views more  AUTOMATICA 2005»
15 years 3 months ago
A note on asymptotic stabilization of linear systems by periodic, piecewise constant, output feedback
This note studies the asymptotic stabilization problem for controllable and observable, single-input single-output, linear, time-invariant, continuous-time systems by means of mem...
J. C. Allwright, Alessandro Astolfi, H. P. Wong
GECCO
2010
Springer
230views Optimization» more  GECCO 2010»
15 years 8 months ago
Exponential natural evolution strategies
The family of natural evolution strategies (NES) offers a principled approach to real-valued evolutionary optimization by following the natural gradient of the expected fitness....
Tobias Glasmachers, Tom Schaul, Yi Sun, Daan Wiers...
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IVC
2007
131views more  IVC 2007»
15 years 3 months ago
Multi-view correspondence by enforcement of rigidity constraints
Establishing the correct correspondence between features in an image set remains a challenging problem amongst computer vision researchers. In fact, the combinatorial nature of fe...
Ricardo Oliveira, João Xavier, João ...
CIKM
2009
Springer
15 years 10 months ago
On optimising personal network size to manage information flow
PN refer to the set of ties a specific individual has with other people. There is significant variation in the size of an individual’s PN and this paper explores the effect o...
Yu-En Lu, Sam Roberts, Tammy M. K. Cheng, Robin Du...