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# Tag Archives: greedy algorithm

## Matroids and polymatroids

Jack Edmonds’ LTCC intensive course is now over. It differed in several respects from what was advertised. First, he shared the presentation with Alex Fink on a roughly equal basis; second, bimatrix games were shelved in favour of some exciting … Continue reading

Posted in events, exposition
Tagged Alex Fink, greedy algorithm, Jack Edmonds, Lafforgue, matroid intersection, matroid subdivision, matroid sum, matroids, polymatroids
4 Comments

## A thrifty algorithm

Two important classical parameters of a permutation group G of degree n are the base size, the smallest size of a collection of points whose pointwise stabiliser is the identity; and the minimal degree, the smallest number of points moved … Continue reading

Posted in exposition, open problems
Tagged base size, greedy algorithm, Kenneth Blaha, minimal degree, permutation groups, primitive groups
4 Comments