A slow pushed front in a Lotka–Volterra competition model
نویسندگان
چکیده
منابع مشابه
A slow pushed front in a Lotka-Volterra competition model
We study invasion speeds in the Lotka-Volterra competition model when the rate of diffusion of one species is small. Our main result is the construction of the selected front and a rigorous asymptotic approximation of its propagation speed, valid to second order. We use techniques from geometric singular perturbation theory and geometric desingularization. The main challenge arises from the slo...
متن کاملThe Slow Food Model: A Road for Small-Scale Productions in a Globalised Market
The paper presents the articulated strategy of valorization, implemented by the international movement called Slow Food in Italy and abroad in order to reconsider the concept of agricultural profitability. In particular, the paper suggests profitability lays on the value markets recognize to agricultural production. In this perspective, the Slow Food strategy represents a good practice to be em...
متن کاملA model of brand competition for durable goods supply chains in a dynamic framework
Game theory is an efficient tool to represent and conceptualize the problems concerning conflict and competition. In recent years and especially for durable products, competition between domestic and foreign brands for gaining market share has received a considerable attention. This paper study electronic commerce concepts by differential game theory and introduce a novel and comprehensive mode...
متن کاملSuper efficiency model in front of MPSS
By using the Double Frontiers Criteria, Hurwicz succeeded to achieve The Most Productive Scale Size of decision making units. This Double frontiers criteria was achieved by using two models of “CCR” in optimistic viewpoint in input form and the “CCR” model in pessimistic viewpoint in input form. In this paper, we intend to find a criteria for Double frontiers of super efficiency by using two mo...
متن کاملProviding a Desirable Model of Competition for Educational Progress in University (Case study: Islamic Azad University)
Introduction: Many phenomena have changed and changes is no longer an opportunity for higher education and universities, but it is a necessity. Therefore, the aim of this study was to improve the future competitiveness of Islamic Azad University units. Methods: The research was developmental and applied with a mixed approach. The statistical population and sample in the qualitative section incl...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nonlinearity
سال: 2012
ISSN: 0951-7715,1361-6544
DOI: 10.1088/0951-7715/25/7/2151