An electronic structural study of the complete valence shell of [1.1.1]propellane is reported. Binding energy spectra were measured in the energy regime of 3.5-46.5 eV over a range of different target electron momenta, so that momentum distributions (MDs) could be determined for each ion state. Each experimental electron momentum distribution is compared with those calculated in the plane wave ...

Inversion transduction grammar (ITG) provides a syntactically motivated solution to modeling the distortion of words between two languages. Although the Viterbi ITG alignments can be found in polynomial time using a bilingual parsing algorithm, the computational complexity is still too high to handle real-world data, especially for long sentences. Alternatively, we propose a simple and effectiv...

We enumerate sets of n non-intersecting, t-step paths on the directed square lattice which are excluded from the region below the surface y = 0 to which they are initially attached. In particular we obtain a product formula for the number of star configurations in which the paths have arbitrary fixed endpoints. We also consider the ‘return’ polynomial, Ŕt (y; κ) = ∑ m 0 ŕ W t (y;m)κm where ŕt (...

In this paper, we analyze capacity manipulation games in hospital-intern markets inspired by the real-life entry-level labor markets for young physicians who seek residencies at hospitals. In a hospital-intern market, the matching is determined by a centralized clearinghouse using the preferences revealed by interns and hospitals and the number of vacant positions revealed by hospitals. We cons...

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In this paper we describe an enhanced shift-reduce parsing method which differs from the traditional transition-based model in two ways: first, we maintain multiple transition paths after each transition step, in order to alleviate the serious risk of going astray for the only-one-path transition; second, we adopt the online training algorithm rather than the classical training-after-extraction...

(q ú 0 is fixed); here in order to get close to the optimal set one should approach the parameter t to the optimal value of the problem. As it is well-known, both the parameterizations, under appropriate choice of F , imply polynomial-time interior-point methods for (1) . If G is a polytope, then it is reasonable to choose as F the standard logarithmic barrier for G ; polynomiality of the assoc...

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