Nomember 15 (wednesday, unusual day)   14.00-14.45 Simon André (Paris VI)  "Sharply 2-transitive infinite finitely generated simple groups". 15.00-15.45  Ruiwen Dong (Saarland University)  "Decision problems in sub-semigroups of metabelian groups". 16.00-16.45  Emmanuel Rauzy (Munich University)  "Groups with presentations in EDT0L".   Simon André  "Sharply 2-transitive infinite finitely generated simple groups". A group G is said to be sharply 2-transitive if it has an action on a set X with at least 2 elements such that, for all pairs (x, x') and (y, y') of distinct elements in X, there exists […]