Advanced search
Start date
Betweenand
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Cross-multiplicative coalescent processes and applications

Full text
Author(s):
Kovchegov, Yevgeniy [1] ; Otto, Peter T. [2] ; Yambartsev, Anatoly [3]
Total Authors: 3
Affiliation:
[1] Oregon State Univ, Dept Math, Corvallis, OR 97331 - USA
[2] Willamette Univ, Dept Math, Salem, OR 97302 - USA
[3] Univ Sao Paulo, Inst Math & Stat, Dept Stat, Rua Matao 1010, BR-05508090 Sao Paulo, SP - Brazil
Total Affiliations: 3
Document type: Journal article
Source: ALEA-LATIN AMERICAN JOURNAL OF PROBABILITY AND MATHEMATICAL STATISTICS; v. 18, n. 1, p. 81-106, 2021.
Web of Science Citations: 0
Abstract

We introduce and analyze a novel type of coalescent processes called cross-multiplicative coalescent that models a system with two types of particles, A and B. The bonds are formed only between the pairs of particles of opposite types with the same rate for each bond, producing connected components made of particles of both types. We analyze and solve the Smoluchowski coagulation system of equations obtained as a hydrodynamic limit of the corresponding Marcus-Lushnikov process. We establish that the cross-multiplicative kernel is a gelling kernel, and find the gelation time. As an application, we derive the limiting mean length of a minimal spanning tree on a complete asymmetric bipartite graph with independent edge weights, distributed uniformly over {[}0, 1]. (AU)

FAPESP's process: 16/19286-0 - Extending the theory of weak convergence for coalescence processes
Grantee:Anatoli Iambartsev
Support type: Research Grants - Visiting Researcher Grant - International