نتایج جستجو برای: inferential rigidity
تعداد نتایج: 40820 فیلتر نتایج به سال:
Infinitesimal Weak Rigidity, Formation Control of Three Agents, and Extension to 3-dimensional Space
In this paper, we introduce new concepts of weak rigidity matrix and infinitesimal weak rigidity for planar frameworks. The weak rigidity matrix is used to directly check if a framework is infinitesimally weakly rigid while previous work can check a weak rigidity of a framework indirectly. An infinitesimal weak rigidity framework can be uniquely determined up to a translation and a rotation (an...
Micellar shape change in an amphiphilic solution is investigated by a molecular dynamics simulation of coarse-grained semiflexible amphiphilic molecules with explicit solvent molecules. Our simulations show that a cylindrical micelle is obtained at small molecular rigidity while a disc-shaped micelle appears at large molecular rigidity. We find that most chains are in an extended conformation a...
The paper presents an experiment aiming at verifying whether the rich connectivity of two Italian Language Resources, ItalWordNet and CLIPS, can be exploited to support inference for Question Answering. The methodology for the creation of primitive inferential rules from the ItalWordNet and CLIPS semantic relations is described. We also introduce some preliminary results about the usefulness of...
Relevance theory is a new way which attempts to show the nature of communication. Based on the classic code-model and Grice’s inferential model, relevance theory holds “every act of ostensive communication communicates the presumption of its own optimal relevance.” With the interpretation of advertising in the frame of relevance theory, this thesis shows advertising communication is ostensive-i...
In this paper, we present a sufficient condition for the universal rigidity of a generic bar framework G(p) in terms of the Gale matrix Z corresponding to G(p). We also establish a relationship between the stress matrix S and the Gale matrix Z for bar frameworks. This allows us to translate back and forth between S and Z in recently obtained results concerning universal rigidity, global rigidit...
The geometry of cavities in the surfaces of proteins facilitates a variety of biochemical functions. To better understand the biochemical nature of protein cavities, the shape, size, chemical properties, and evolutionary nature of functional and nonfunctional surface cavities have been exhaustively surveyed in protein structures. The rigidity of surface cavities, however, is not immediately ava...
In this paper we provide a Liouville type theorem in the framework of fracture mechanics, and more precisely in the theory of SBV deformations for cracked bodies. We prove the following rigidity result: if u ∈ SBV (Ω, RN ) is a deformation of Ω whose associated crack Ju has finite energy in the sense of Griffith’s theory (i.e., HN−1(Ju) <∞), and whose approximate gradient ∇u is almost everywher...
This article summarizes the presently available general theory of rigidity of 3dimensional structures. We explain how a structure, for instance a bar and joint structure, can fail to be rigid for two quite different types of reasons. First, it may not have enough bars connecting certain sets of nodes. That is, it may faij for topologlcrl reasons. Secondly,. although it may “count” correctly, it...
Rigidity is one of the major signs of P a r k i n s o n ’s disease (PD). However, its pathophysiology has rarely been studied. This appears a little surprising since data obtained from animal physiology, which offers a scheme of neuronal circuits that might be hyperor hypoactive, could be useful in the study of muscle tone problems, a classical area in neurological semiology. Experimental model...
The paper shows how the explicit content of communication, that is ”what is said” by a speaker, is obtained via inferential processes based on speaker’s goals. The proposal of the paper is based on the hypothesis that meaning in use depends on extra-semantic interests of speakers with regard to a specific situation. Elsewhere it is argued how interests affect on sentences of natural language wh...
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