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16 papers · 1 filter
Concurrent Lexicalized Dependency Parsing: A Behavioral View on ParseTalk Events
Susanne Schacht, Udo Hahn, Norbert Broeker
The behavioral specification of an object-oriented grammar model is considered. The model is based on full lexicalization, head-orientation via valency constraints and dependency r…
Concurrent Lexicalized Dependency Parsing: The ParseTalk Model
Norbert Broeker, Udo Hahn, Susanne Schacht
A grammar model for concurrent, object-oriented natural language parsing is introduced. Complete lexical distribution of grammatical knowledge is achieved building upon the head-or…
Symmetries, superselection rules, and decoherence
D. Giulini, C. Kiefer, H. D. Zeh
We discuss the applicability of the programme of decoherence -- emergence of approximate classical behaviour through interaction with the environment -- to cases where it was sugge…
On the Mechanism of the Primary Charge Separation in Bacterial Photosynthesis
C. H. Mak, Reinhold Egger
We present a detailed analysis of the mechanism of the primary charge separation process in bacterial photosynthesis using real-time path integrals. Direct computer simulations as…
Consistency of Semiclassical Gravity
D. Giulini, C. Kiefer
We discuss some subtleties which arise in the semiclassical approximation to quantum gravity. We show that integrability conditions prevent the existence of Tomonaga-Schwinger time…
Spin Asymmetry in Muon--Proton Deep Inelastic Scattering on a Transversely-Polarized Target
The Spin Muon Collaboration
We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in…