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Christopher Jefferson (University of St Andrews)
Friday 31 January 2020, 11:30-12:20
Backtrack Search in Permutation Groups
- đ¤ Speaker: Christopher Jefferson (University of St Andrews)
- đ Date & Time: Friday 31 January 2020, 11:30 - 12:20
- đ Venue: Seminar Room 1, Newton Institute
Abstract
While there are many problems can be solved in polynomial time, some important fundamental problems can only be solved by backtrack searches, which are often exponential time. These include many important permutation group problems including group and coset intersection, stabilizer, normaliser, and canonical image problems.
This talk will give an overview of backtracking algorithms in permutation groups, explaining both the fundamental ideas, and the most improvements. In particular this will cover Leon's Partition Backtrack algorithm and the more recent Graph Backtracking algorithm.
[This talk includes joint work with Rebecca Waldecker, Wilf Wilson and others]
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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