Trees and matchings.
Kenyon, Richard W., Propp, James G., Wilson, David B. (2000)
The Electronic Journal of Combinatorics [electronic only]
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Kenyon, Richard W., Propp, James G., Wilson, David B. (2000)
The Electronic Journal of Combinatorics [electronic only]
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Propp, James (1997)
The Electronic Journal of Combinatorics [electronic only]
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Amini, Hamed (2010)
The Electronic Journal of Combinatorics [electronic only]
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Jonasson, Johan (2001)
Electronic Journal of Probability [electronic only]
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Häggström, Olle (2002)
Electronic Communications in Probability [electronic only]
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Angel, Omer, Holroyd, Alexander E., Martin, James B. (2005)
Electronic Communications in Probability [electronic only]
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David J. Aldous, Charles Bordenave, Marc Lelarge (2008)
Annales de l'I.H.P. Probabilités et statistiques
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We study the relation between the minimal spanning tree (MST) on many random points and the “near-minimal” tree which is optimal subject to the constraint that a proportion of its edges must be different from those of the MST. Heuristics suggest that, regardless of details of the probability model, the ratio of lengths should scale as 1+( ). We prove this in the model of the lattice with random edge-lengths and in the euclidean model.
Grimmett, Geoffrey, Janson, Svante (2009)
The Electronic Journal of Combinatorics [electronic only]
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Kuba, M., Panholzer, A., Prodinger, H. (2009)
The Electronic Journal of Combinatorics [electronic only]
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Markström, Klas, Wierman, John C. (2010)
The Electronic Journal of Combinatorics [electronic only]
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Radosław Wieczorek (2010)
International Journal of Applied Mathematics and Computer Science
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A discrete-time stochastic spatial model of plankton dynamics is given. We focus on aggregative behaviour of plankton cells. Our aim is to show the convergence of a microscopic, stochastic model to a macroscopic one, given by an evolution equation. Some numerical simulations are also presented.