Abstract. Conflicts are frequent in virtually every scenario involving complex interactions. Collaborative Networks, in which there is a compromise between skills, competencies and resources, are not an exception. Moreover, these conflicts can be different in nature, ranging from cultural or relational conflicts to conflicts of interests. Although conflicts are common in these virtual settings, very few tools exist to settle them. Therefore, parties involved in conflict resolution generally have to resort to traditional approaches, which delay the process and waste the advantages of these Virtual Organizations. In this paper we present a structured model of a contract for a Collaborative Network. Based on this model, we developed an information system which is able to build conflict scenarios and determine the possible and probable outcomes. We combine this development with the UMCourt platform, which comprises a rich negotiation and mediation tool, to build a conflict resolution framework in the context of Collaborative Networks.
Let (M,θ) be a closed, connected, strictly pseudoconvex CR manifold with dimension 2n+1≥3. We define the second CR Yamabe invariant in terms of the second eigenvalue of the Yamabe operator and the volume of M over the pseudo‐convex pseudo‐hermitian structures trueθ∼ conformal to θ. Then we study when it is attained and classify the CR‐sphere by its second CR Yamabe invariant. This work is motivated by the work of B. Ammann and E. Humbert on the Riemannian context.
Let [Formula: see text] be a compact, connected, strictly pseudo-convex CR manifold. In this paper, we give some properties of the CR Yamabe Operator [Formula: see text]. We present an upper bound for the Second CR Yamabe Invariant, when the First CR Yamabe Invariant is negative, and the existence of a minimizer for the Second CR Yamabe Invariant, under some conditions.
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