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We present a ,,13C record from the Anti-Atlas mountains of Morocco and place it in the context of a detailed regional tectonostratigraphy. We place the lithoand chemostratigraphic record in a temporal framework using precision U-Pb zircon geochronology of ashes interbedded with the same carbonate units that provide "l3C data. The variations in "l3C of carbonate occur on a wide range of time sca...

9 Let X be a tree and letG=Aut(X), Bass and Tits have given an algorithm to construct the ‘ultimate quotient’ of X by G starting with any quotient of X, an ‘edge-indexed’ graph. Using a sequence of 11 integers that we compute at consecutive steps of the Bass–Tits (BT) algorithm, we give a lower bound on the diameter of the ultimate quotient of a tree by its automorphism group. For a tree X with...

The revolution started without anybody realising it. The finding, by the Court of Justice of the European Union (the Court), that two Italian nationals, Mrs Luisi and Mr Carbone, were entitled to travel to another member state to receive health services – unrestrained by capital movement or other restrictions – hardly alarmed people in the health sector: Luisi and Carbone were over-the-border s...