14,528 research outputs found

    Women MPs and the socio-environmental preconditions for political participation in the Federal Republic

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    With the election of Germany's first woman chancellor in November 2005 it would appear that equal opportunities have finally been achieved in German politics. Furthermore, most parties in the Federal Republic are committed to increasing or maintaining certain levels of female representation within their ranks, and many use quotas to achieve this. This article looks not only at the formal mechanisms employed by the German parties to help women enter politics, but also at whether the practice of politics is conducive to women's working methods and lifestyles. Its focus is on the compatibility of a political career with family responsibilities. The author argues that while quotas have helped increase the number of female politicians, party cultures and practices have not been completely transformed. Many problems remain for current and potential female politicians, especially those whose family circumstances make it hard to adapt to the male norms of behaviour which still characterise political life in the Federal Republic

    On conjectures of Foulkes, Siemons and Wagner and Stanley

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    Let A = (AI, ... ,Ar ) be a partition of n. An unordered A-tabloid is a partition of the set {I, 2, ... , n} into r pairwise disjoint sets of sizes AI, ,Ar . Let F denote the field of complex numbers and C the symmetric group of {I, 2, , n}. Define HA to be the permutation module of FC whose basis is the set of unordered A-tabloids. Foulkes conjectured in [13] that there exists an injective FC-homomorphism H(b a ) -t H(a b ) when a ::; b. Independently Siemons and Wagner [27] and Stanley [29] generalized this conjecture to ask if there exists an injective map HA -t HA'. In this thesis we investigate these conjectures.EThOS - Electronic Theses Online ServiceGBUnited Kingdo

    N=2 Gauge Theories: Congruence Subgroups, Coset Graphs and Modular Surfaces

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    We establish a correspondence between generalized quiver gauge theories in four dimensions and congruence subgroups of the modular group, hinging upon the trivalent graphs which arise in both. The gauge theories and the graphs are enumerated and their numbers are compared. The correspondence is particularly striking for genus zero torsion-free congruence subgroups as exemplified by those which arise in Moonshine. We analyze in detail the case of index 24, where modular elliptic K3 surfaces emerge: here, the elliptic j-invariants can be recast as dessins d'enfant which dictate the Seiberg-Witten curves.Comment: 42+1 pages, 5 figures; various helpful comments incorporate

    Olivines in angrite LEW 87051: Phenos or xenos

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    Nyquist et al. recently reported the presence of live Mn-53 in angrite LEW 86010 when it crystallized. Hence, melting must have occurred within approx. 10 Ma of the accretion of the angrite parent body, and LEW 86010 is the oldest known differentiated meteorite. This discovery has made it even more desirable to understand teh petrogenesis of angrites, which presumably were all formed at a similar time. As part of the continuing work on angrite petrogenesis, crystallization experiments were conducted on LEW 87051, the other Antarctic angrite, to clarify its petrogenesis. Several aspects of the experimental work is reported. Although the details are not understood, it is clear that the Cr abundance in the experimental olivines must be controlled by spinel crystallization
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