This paper presents a role-based agent teamwork language called RoB-MALLET (Role-Based Multi-Agent Logic Language for Encoding Teamwork). Roles have been used to form multi-agent theories and guide the construction of multi-agent architectures and systems. Different from the most existing agent teamwork models that emphasize practical reasoning based on beliefs, desires and intentions (BDI), a ...

In this paper we investigate the controllability of an air hockey puck subject to impacts from a mallet, which is a special case of the more general problem of impulsive manipulation. We rst formulate the control problem on the tangent bundle of the three dimensional connguration manifold of the puck and characterize the set of velocities reachable with arbitrary impulsive inputs. In reality, o...

OBJECTIVE Shoulder muscle imbalances and bone deformities that develop secondary to obstetric brachial plexus injury have been extensively studied. Less emphasis has focused on coracohumeral distance, a small value potentially being linked to impaired shoulder external rotation. The purpose of this study is to analyze coracohumeral distances and shoulder external rotation in obstetric brachial ...

The neotropical genus Heliconius has long fascinated evolutionary biologists because of puzzles presented by variation of wing pattern within and among species. The strikingly diverse wing patterns which characterize different races of a species apparently evolve rapidly (Brower, 1994a) and at different rates from overall genomic divergence (Turner et al. 1979). Studies of gene flow in hybrid z...

Solid male lure dispensers containing methyl eugenol (ME) and raspberry ketone (RK), or mixtures of the lures (MEþRK), and dimethyl dichloro-vinyl phosphate (DDVP) were evaluated in area-wide pest management bucket or Jackson traps in commercial papaya (Carica papaya L.) orchards where both oriental fruit fly, Bactrocera dorsalis (Hendel), and melon fly, Bactrocera cucurbitae (Coquillett), are ...