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In this paper we discuss the formal relationship between the classes of languages generated by Tree Adjoining Grammars and Head Grammars. In particular, we show tha t Head Languages are included in Tree Adjoining Languages and tha t Tree Adjoining Grammars are equivalent to a modification of Head Grammars called Modified Head Grammars. The inclusion of MHL in HL, and thus the equivalence of HG'...

The ability to image individual organic molecules with atomic resolution would be a major breakthrough for biology and pharmacy. Multi-Pass Transmission Electron Microscopy (MPTEM) has recently been proposed to accomplish this goal by reducing damage an order of magnitude below current state of the art techniques [1]. One of the main limits of MPTEM is phase wrapping. If the effects of phase wr...

The anomalous dimensions of local single trace gauge invariant operators in N = 4 supersymmetric Yang-Mills theory can be computed by diagonalizing a long range integrable Hamiltonian by means of a perturbative asymptotic Bethe ansatz. This formalism breaks down when the number of fields of the composite operator is smaller than the range of the Hamiltonian which coincides with the order in per...

Abstract Developments in polymer technology have introduced new choices such as using fibers and fiber-reinforced polymers (FRP) to improve the impact behavior of concrete structures. In this research, 52 samples (half which wrapped with glass polymers-GFRP) different compressive strengths (20, 30, 40 MPa) polypropylene were constructed. These subjected weight dropping (46.7 kg 66.8 kg). The nu...

The semiconductor properties of a carbon nanotube film can be changed from p-type to n-type by molecular wrapping oxyethylene surfactants.

The masses of central massive black holes in BL Lac objects are estimated from their host galaxy absolute magnitude MR at R-band by using the empirical relation between absolute magnitude of host galaxy MR and black hole mass Mbh. Only a small fraction of BL Lac objects exhibit weak broad-line emission, and we derive the sizes of the broad-line regions (BLRs) in these BL Lac objects from the wi...

Distributed object technology is profoundly changing the ways in which software systems evolve over time. To a large extent, the focus of reengineering has been to understand legacy systems and to extract their essential functionality so that they can be rewritten as more robust and more maintainable systems over the long term. However, object technology, wrapping strategies, and the Web may be...

Soluble proteins must protect their structural integrity from water attack by wrapping interactions which imply the clustering of nonpolar residues around the backbone hydrogen bonds. Thus, poorly wrapped hydrogen bonds constitute defects which have been identified as promoters of protein associations since they favor the removal of hydrating molecules. More specifically, a recent study of our ...