nowadays, strategic planning was very important for every company, many companies realize the importance of strategic planning. holding companies have considered this issue. strategic planning in holding multibusinessess company differs from other single companies based on complexities. holding companies are faced with two important strategic decisions: 1) what areas and how investments should ...

For a positive integer $d$ and unitary representation $\rho:G\rightarrow\mathrm{U}(d)$ of compact group $G$, the twirling channel for this is linear mapping $\Phi: M_d\rightarrow M_d$ defined as $\Phi(X)=\int_{G}\mathrm{d}\mu(g)\,\rho(g)X\rho(g^{-1})$ every $X\in M_d$, where $\mu$ Haar measure on $G$. Such channels are examples mixed-unitary channels, they in convex hull set fixed size. By Cara...

Door-to-door transportation for elderly and disabled people is for many governments an important instrument to increase the mobility of this group of people. Many issues arise in the implementation of such a system, which is often modeled as the Dynamic Dial-a-Ride System with Time Windows (DDARPTW). One of those issues is that taxi companies try to maximize their profit by combining as many ri...

in today’s global economy, the fundamental attribute of competitiveness have been driven from pecuniary capital to knowledge capital so that knowledge is known as the unique strategic resource to acquire competitive advantage. therefore, businesses that efficiently utilize existing knowledge within their organizations are expected to gain comparative advantage over their competitors. this resea...

Recently, most businesses have introduced a system for improving their responsibility to the customers in terms of job improvement. For example, small-quantity batch production increases cost but improve efficiency of management. Companies have been introduced the balanced scorecard to evaluate their management as part of improvement, while they suffer from many trials and errors. Many business...

As with any important policy decision, the question of mandated disclosure for private equity must weigh potential benefits against costs implementation. At 2022 Private Equity Research Symposium hosted by Oxford University, Oxford's Ludovic Phalippou and UNC-Chapel Hill's Gregory Brown debated merits greater financial reporting companies. Phalippou's arguments in favor more center on lack alig...

Wireless networks have been widely deployed in the past few years. With rapidly increasing number of users, it is important to maximize utilization of given resources to achieve high performance. Among many approaches, the aim of this dissertation is in utilizing available frequency spectrum, which may be divided into multiple non-overlapping channels. Particularly, we focus on the case where w...

Abstmcl-Recently, various schemes have arisen to broadcast continuous media data such as audio and video. Some of them have f w d on reduciug clients' waiting time under the continuin condition, ia, to play data completely without any intemptions These schemes us0aUy employ multiple channels to broadcast continnous media data. However, receivers of many existing broadcast systems such as those ...