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RECOMB
2009
Springer
14 years 2 months ago
Rearrangement Models and Single-Cut Operations
Abstract. There have been many widely used genome rearrangement models, such as reversals, HannenhalliPevzner, and double-cut and join. Though each one can be precisely defined, t...
Paul Medvedev, Jens Stoye
LFCS
2009
Springer
14 years 1 months ago
Canonical Signed Calculi, Non-deterministic Matrices and Cut-Elimination
Canonical propositional Gentzen-type calculi are a natural class of systems which in addition to the standard axioms and structural rules have only logical rules where exactly one ...
Arnon Avron, Anna Zamansky
MP
2010
126views more  MP 2010»
13 years 5 months ago
Two row mixed-integer cuts via lifting
Recently, Andersen et al. [1], Borozan and Cornu´ejols [7] and Cornu´ejols and Margot [10] characterized extreme inequalities of a system of two rows with two free integer varia...
Santanu S. Dey, Laurence A. Wolsey
AAAI
2012
11 years 9 months ago
Robust Cuts Over Time: Combatting the Spread of Invasive Species with Unreliable Biological Control
Widespread accounts of the harmful effects of invasive species have stimulated both practical and theoretical studies on how the spread of these destructive agents can be containe...
Gwen Spencer
STOC
2009
ACM
144views Algorithms» more  STOC 2009»
14 years 8 months ago
Homology flows, cohomology cuts
We describe the first algorithm to compute maximum flows in surface-embedded graphs in near-linear time. Specifically, given a graph embedded on a surface of genus g, with two spe...
Erin W. Chambers, Jeff Erickson, Amir Nayyeri