Essays about: "centrality"

Showing result 1 - 5 of 113 essays containing the word centrality.

  1. 1. Network Connectedness in Financial Markets

    University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Author : Andrea Marcolini; [2024]
    Keywords : Systemic risk modeling; US REITs connectedness; S P 500 connectedness; Returns and realized volatilities prediction;

    Abstract : This paper is a collection of two different theses discussing the prediction of the returns and volatilities of the S&P 500 constituents and of US Real Estate Investment Trusts (REITs) by analyzing their centrality within the financial market network. Both empirical works summarize the relevant financial and network literature, demonstrating how modeling stock connectedness within financial markets makes it possible to create returns and volatility predictors, improving investors' portfolio allocations and achieved investment Sharpe ratios. READ MORE

  3. 2. Identifying Graph Characteristics in Growing Vascular Networks

    University essay from Uppsala universitet/Tillämpad beräkningsvetenskap

    Author : Christopher Finn Plummer; [2024]
    Keywords : Anigogenesis; Vascular Networks; Network Science;

    Abstract : One of the ways that a vascular network grows is through the process of angiogenesis, wherebya new blood vessel forms as a branch from an existing vessel towards an area which isstimulating vascular growth. Due to the demands for nutrients and waste transport, growingtumour cells will access the surrounding vascular network by inducing angiogenesis. READ MORE

  4. 3. An exploration of how the national culture in which a company operates affects the choice of Management Control Systems

    University essay from Handelshögskolan i Stockholm/Institutionen för redovisning och finansiering

    Author : Selemon Setaregu; Mateo Murra; [2024]
    Keywords : National culture; Management control systems;

    Abstract : Throughout this thesis, our research dives into the intricate relationship between national culture and management control systems (MCSs) in multinational corporations. In an increasingly globalized business world, understanding this relationship is pivotal for companies operating across diverse cultural landscapes. READ MORE

  5. 4. Randomized Diagonal Estimation

    University essay from KTH/Matematik (Avd.)

    Author : Niclas Joshua Popp; [2023]
    Keywords : Diagonal estimation; randomized numerical linear algebra; low-rank approximation; matrix functions; Diagonalestimering; randomiserad numerisk linjär algebra; lågrankad approximation; matrisfunktioner;

    Abstract : Implicit diagonal estimation is a long-standing problem that is concerned with approximating the diagonal of a matrix that can only be accessed through matrix-vector products. It is of interest in various fields of application, such as network science, material science and machine learning. READ MORE

  6. 5. Exploring the Impact of Centrality Measures on Stock Market Performance in Stockholm Market: A Comparative Study

    University essay from Mälardalens universitet/Utbildningsvetenskap och Matematik

    Author : Tarek Hasna; [2023]
    Keywords : Centrality measures; Degree centrality; Eigenvector centrality; Betweenness centrality; Closeness centrality;

    Abstract : Centrality measures in network analysis have become a popular measurement tool for identifying coherent nodes within a network. In the context of stock markets, the centrality measure helps to identify key performing ele- ments and strengths for specific stocks and determine their impact on disrupting market value and performance. READ MORE