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CORR
2006
Springer
144views Education» more  CORR 2006»
13 years 8 months ago
The minimum linear arrangement problem on proper interval graphs
We present a linear time algorithm for the minimum linear arrangement problem on proper interval graphs. The obtained ordering is a 4-approximation for general interval graphs. 1 ...
Ilya Safro
APPML
2008
86views more  APPML 2008»
13 years 9 months ago
A periodic boundary value problem with vanishing Green's function
In this work, the authors consider the boundary value problem y + a(t)y = g(t) f (y), 0 t 2, y(0) = y(2), y (0) = y (2), and establish the existence of nonnegative solutions in ...
John R. Graef, Lingju Kong, Haiyan Wang
CPM
2006
Springer
143views Combinatorics» more  CPM 2006»
14 years 17 days ago
Algorithms for Finding a Most Similar Subforest
Given an ordered labeled forest F ("the target forest") and an ordered labeled forest G ("the pattern forest"), the most similar subforest problem is to find a ...
Jesper Jansson, Zeshan Peng
CCCG
2007
13 years 10 months ago
Approximation Algorithms for the Minimum-Length Corridor and Related Problems
Given a rectangular boundary partitioned into rectangles, the MLC-R problem is to find a Minimum EdgeLength Corridor that visits at least one point from the boundary of every rec...
Arturo Gonzalez-Gutierrez, Teofilo F. Gonzalez
FSTTCS
2001
Springer
14 years 1 months ago
On Polynomial Representations of Boolean Functions Related to Some Number Theoretic Problems
We say a polynomial P over ZZM strongly M -represents a Boolean function F if F(x) ≡ P(x) (mod M) for all x ∈ {0, 1}n . Similarly, P one-sidedly M -represents F if F(x) = 0 ⇐...
Erion Plaku, Igor Shparlinski