in this paper, we deal with the subdierential concept onhadamard spaces. flat hadamard spaces are characterized, and nec-essary and sucient conditions are presented to prove that the subdif-ferential set in hadamard spaces is nonempty. proximal subdierentialin hadamard spaces is addressed and some basic properties are high-lighted. finally, a density theorem for subdierential set is establi...

Xi'an and Xianyang is two famous textile towns in Guangzhong, it formed a cotton textile industry-oriented research, production systems and international market networks which have great influence throughout the country. The textile industry cluster in the region is now in cluster development infancy, being a free competitive market structure. According to the cluster features it explores the m...

Olav Sorenson Is it more difficult to start a new business in an emerging industry or in a mature one? The density dependent model of organizational ecology argues that the age of the industry itself is irrelevant. The number of firms currently occupying the market niche determines the competitive structure of the industry. Nevertheless, population-level learning predicts historical asymmetry i...

CIOPS (Cognitive Inter-organizational Production System) is an agentbased model that integrates industry structural aspects and agents’ cognitive characteristics. A demand-driven industry, whose profitability depends on the quality of suppliers’ products, is represented by a three-stage vertically integrated industry. Four types of decision-making patterns are analyzed and confronted each other...

OBJECTIVE To construct a conceptual model of tobacco industry tactics to undermine tobacco control programmes for the purposes of: (1) developing measures to evaluate industry tactics, (2) improving tobacco control planning, and (3) supplementing current or future frameworks used to classify and analyse tobacco industry documents. DESIGN Web based concept mapping was conducted, including expe...