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An algebraic
Monte-Carlo algorithm for the partition adjacency matrix
realization problem
Éva Czabarka, László Székely, Zoltán Toroczkai and Shanise Walker |
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Vol. 12 (2021), No. 2, 115–124
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DOI: 10.2140/astat.2021.12.115
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Abstract |
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The graphical realization of a given degree sequence and given partition adjacency matrix simultaneously, is a relevant problem in data driven modeling of networks. Here we formulate common generalizations of this problem and the exact matching problem, and solve them with an algebraic Monte-Carlo algorithm that runs in polynomial time if the number of partition classes is bounded by a constant. We note, that no deterministic polynomial time algorithm is known for any of these problems. |
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Keywords
perfect matching, exact matching, degree sequence,
bipartite graph, Hall's theorem, joint degree matrix,
partition adjacency matrix, Monte-Carlo algorithm,
computational complexity
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Mathematical Subject Classification 2010
Primary: 05D15
Secondary: 05C82, 05D40, 68W20
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Milestones
Received: 29 September 2019
Revised: 7 April 2021
Accepted: 7 June 2021
Published: 13 December 2021
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Authors |
| Éva Czabarka | |
| Department of Mathematics University of South Carolina Columbia, SC United States |
Visiting Professor Department of Pure and Applied Mathematics University of Johannesburg South Africa |
| László Székely | |
| Department of Mathematics University of South Carolina Columbia, SC United States |
Visiting Professor Department of Pure and Applied Mathematics University of Johannesburg South Africa |
| Zoltán Toroczkai | |
| Department of Physics, Department of
Computer Science and Engineering University of Notre Dame IN United States |
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| Shanise Walker | |
| Department of Mathematics University of Wisconsin-Eau Claire WI United States |
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