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TCS
2011
13 years 5 months ago
The three column Bandpass problem is solvable in linear time
The general Bandpass problem is NP-hard and was claimed NP-hard when the number of columns is three. Previously we designed a polynomial time row-stacking algorithm for the three ...
Zhong Li, Guohui Lin
DAM
2010
92views more  DAM 2010»
13 years 10 months ago
Enumeration of matchings in families of self-similar graphs
The number of matchings of a graph G is an important graph parameter in various contexts, notably in statistical physics (dimer-monomer model). Following recent research on graph p...
Elmar Teufl, Stephan Wagner
IJCAI
1989
13 years 12 months ago
Acquiring Recursive Concepts with Explanation-Based Learning
Explanation-based generalization algorithms need to generalize the structure of their explanations. This is necessary in order to acquire concepts where a recursive or iterative p...
Jude W. Shavlik
DCC
2011
IEEE
13 years 5 months ago
Primitive polynomials, singer cycles and word-oriented linear feedback shift registers
Using the structure of Singer cycles in general linear groups, we prove that a conjecture of Zeng, Han and He (2007) holds in the affirmative in a special case, and outline a plaus...
Sudhir R. Ghorpade, Sartaj Ul Hasan, Meena Kumari
LATA
2009
Springer
14 years 5 months ago
A Series of Run-Rich Strings
We present a new series of run-rich strings, and give a new lower bound 0.94457567 of the maximum number of runs in a string. We also introduce the general conjecture about a asymp...
Wataru Matsubara, Kazuhiko Kusano, Hideo Bannai, A...