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NETWORKS
2011
14 years 11 months ago
Earliest arrival flows on series-parallel graphs
We present an exact algorithm for computing an earliest arrival flow in a discrete time setting on series-parallel graphs. In contrast to previous results for the earliest arrival...
Stefan Ruzika, Heike Sperber, Mechthild Steiner
ICML
1996
IEEE
16 years 5 months ago
On the Learnability of the Uncomputable
Within Valiant'smodel of learning as formalized by Kearns, we show that computable total predicates for two formallyuncomputable problems the classical Halting Problem, and t...
Richard H. Lathrop
DIS
2007
Springer
15 years 8 months ago
Time and Space Efficient Discovery of Maximal Geometric Graphs
A geometric graph is a labeled graph whose vertices are points in the 2D plane with an isomorphism invariant under geometric transformations such as translation, rotation, and scal...
Hiroki Arimura, Takeaki Uno, Shinichi Shimozono
DAGSTUHL
2003
15 years 5 months ago
Numerical Irreducible Decomposition Using PHCpack
Homotopy continuation methods have proven to be reliable and efficient to approximate all isolated solutions of polynomial systems. In this paper we show how we can use this capabi...
Andrew J. Sommese, Jan Verschelde, Charles W. Wamp...
UAI
2004
15 years 5 months ago
PAC-learning Bounded Tree-width Graphical Models
We show that the class of strongly connected graphical models with treewidth at most k can be properly efficiently PAC-learnt with respect to the Kullback-Leibler Divergence. Prev...
Mukund Narasimhan, Jeff A. Bilmes