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» Algorithms for subsequence combinatorics
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80
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COMBINATORICS
2002
65views more  COMBINATORICS 2002»
15 years 2 months ago
Sorting with a Forklift
A fork stack is a generalised stack which allows pushes and pops of several items at a time. We consider the problem of determining which input streams can be sorted using a singl...
Michael H. Albert, Mike D. Atkinson
126
Voted
COMBINATORICS
2002
92views more  COMBINATORICS 2002»
15 years 2 months ago
On the Excluded Minors for Matroids of Branch-Width Three
Knowing the excluded minors for a minor-closed matroid property provides a useful alternative characterization of that property. It has been shown in [R. Hall, J. Oxley, C. Semple...
Petr Hlinený
138
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CPM
2008
Springer
154views Combinatorics» more  CPM 2008»
15 years 4 months ago
Fixed Parameter Tractable Alignment of RNA Structures Including Arbitrary Pseudoknots
We present an algorithm for computing the edit distance of two RNA structures with arbitrary kinds of pseudoknots. A main benefit of the algorithm is that, despite the problem is N...
Mathias Möhl, Sebastian Will, Rolf Backofen
116
Voted
COMBINATORICS
2006
147views more  COMBINATORICS 2006»
15 years 2 months ago
Domino Fibonacci Tableaux
In 2001, Shimozono and White gave a description of the domino Schensted algorithm of Barbasch, Vogan, Garfinkle and van Leeuwen with the "color-to-spin" property, that i...
Naiomi Cameron, Kendra Killpatrick
122
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COCOON
2009
Springer
15 years 9 months ago
HITS Can Converge Slowly, but Not Too Slowly, in Score and Rank
This paper explores the fundamental question of how many iterations the celebrated HITS algorithm requires on a general graph to converge in score and, perhaps more importantly, in...
Enoch Peserico, Luca Pretto