- Selaus nimekkeen mukaanArtikkelit

    • Factorized sectorial relations, their maximal-sectorial extensions, and form sums 

      Hassi, Seppo; Sandovici, Adrian; de Snoo, Henk (Springer, 25.05.2019)
      In this paper we consider sectorial operators, or more generally, sectorial relations and their maximal-sectorial extensions in a Hilbert space H. Our particular interest is in sectorial relations S, which can be expressed ...
    • Fast fixed-point bicubic interpolation algorithm on FPGA 

      Koljonen, Janne; Bochko, Vladimir A.; Lauronen, Sami J.; Alander, Jarmo T.; Nurmi, Jari; Ellervee, Peeter; Halonen, Kari; Röning, Juha (Institute of Electrical and Electronics Engineers (IEEE), 21.11.2019)
      We propose a fast fixed-point algorithm for bicubic interpolation on FPGA. Bicubic interpolation algorithms on FPGA are mainly used in image processing systems and based on floating-point calculation. In these systems, ...
    • Fault current limiting investigation for a single-phase dynamic voltage conditioner 

      Faranda, Roberto; Bahrami, Ali; Hafezi, Hossein (IEEE, 26.08.2019)
      Fault Current Limiting (FCL), applied in fault current condition, is a strategy to reduce network voltage disturbances. The objective of this research is to investigate different FCL approaches for Dynamic Voltage Conditioner ...
    • Fault type and location detection in islanded microgrid with different control methods based converters 

      Laaksonen, Hannu; Kauhaniemi, Kimmo (CIRED, 21.05.2007)
      In this paper the fault type and location detection in an islanded low voltage (LV) distribution network based microgrid with converters applying different control methods is studied. In the ...
    • Feasibility of New Liquid Fuel Blends for Medium-Speed Engines 

      Sirviö, Katriina; Niemi, Seppo; Heikkilä, Sonja; Kiijärvi, Jukka; Hissa, Michaela; Hiltunen, Erkki (Molecular Diversity Preservation International (MDPI), 20.07.2019)
      Several sustainable liquid fuel alternatives are needed for different compression ignition (CI) engine applications. In the present study, five different fuel blends were investigated. Rapeseed methyl ester (RME) was used ...
    • Financial development, government bond returns, and stability : International evidence 

      Boubaker, Sabri; Nguyen, Duc Khuong; Piljak, Vanja; Savvides, Andreas (Elsevier, 01.07.2019)
      This paper investigates the effect of financial development on government bond returns in developed and emerging markets under different market conditions. Using a quantile regression framework for quarterly panel data ...
    • Financial literacy and retirement planning in Finland 

      Kalmi, Panu; Ruuskanen, Olli-Pekka (Cambridge University Press, 18.07.2018)
      This paper presents the results from the first study of financial literacy in Finland and explores the relationship between financial literacy and retirement planning in Finland. Finland is an interesting case because ...
    • Financial Reporting : Long-Term Change of Financial Ratios 

      Laitinen, Erkki K. (Scientific Research Publishing, 04.09.2018)
      Financial ratios are constructed mathematically as a ratio of numerator and denominator taken from financial statements (income statement or balance sheet). They are useful indicators of financial performance of a firm. ...
    • Finland - Implementing a Global Diversity Management Initiative in Finland 

      Smale, Adam; Björkman, Ingmar; Säntti, Risto; Sivasubramanian, Narashima Boopathi; Castro Christiansen, Liza; Biron, Michal; Farndale, Elaine; Kuvaas, Bård (Routledge, 04.08.2017)
      Finland is the leading or near the top of many international comparisons in terms of growth and development in the economic, technological and social spheres. Despite changes in recent years, the Finnish economy remains ...
    • Finnish enterprises and perceptions for economic decline 

      Brandt, Tiina (Sam Houston State University, 2017)
      The Finnish Company Reorganization Act (FCRA) came into force on February 8, 1993. According to this legislation, a reorganization program may be undertaken in order to rehabilitate a distressed debtor’s viable business, ...
    • Firm boundaries in servitization : Interplay and repositioning practices 

      Huikkola, Tuomas; Rabetino, Rodrigo; Kohtamäki, Marko; Gebauer, Heiko (Elsevier, 15.07.2020)
      The present study analyzes how servitization delineates a manufacturer's boundaries. Based on interviews with 57 senior managers and extensive secondary data collected from four global solution providers, this study ...
    • Firm failure processes and components of failure risk : an analysis of European bankrupt firms 

      Lukason, Oliver; Laitinen, Erkki (Elsevier, 05.06.2018)
      This paper aims to extract firm failure processes (FFPs) by using failure risk and rank the importance of failure risk contributors for different stages of FFPs. The dataset is composed of 1234 bankrupt firms from different ...
    • Five readers on the spot : a case study of readings of online news items 

      Katajamäki, Heli; Raatikainen, Olli (VAKKI ry, 2019)
      The aim of this study is to discover how readers’ worldly knowledge (knowledge of the world through experiences and reading) influences their readings of online news. Readings refer in this study to readings on a practical ...
    • Flexible co-operation of TCSC and corrective topology control under wind uncertainty : an interval-based robust approach 

      Nikoobakht, Ahmad; Aghaei, Jamshid; Lotfi, Mohamed; Catalão, João P.S.; Osório, Gerardo J.; Shafie-khah, Miadreza (IEEE, 26.08.2019)
      This paper presents an AC optimal power flow (AC-OPF) model including flexible resources (FRs) to handle uncertain wind power generation (WPG). The FRs considered are thermal units with up/down re-dispatching capability, ...
    • Foodscapeista gamescapeiksi : välipalat pelaamiskäytännöissä 

      Syrjälä, Henna; Joelsson, Tapani N.; Könnölä, Kaisa; Luomala, Harri T.; Lundén, Saara; Sandell, Mari; Mäkilä, Tuomas (Suomen Pelitutkimuksen Seura ry, 2017)
      Tutkimuksessa tarkastellaan pelaajien jokapäiväistä elämää etsimällä hetkiä, gamescapeja, joissa pelaamisen käytännöt yhdistyvät välipalojen kulutuskäytäntöihin. Näin pyritään vastaamaan näkemyksiin, joiden mukaan pelaamista ...
    • Forecasting the volatility of biofuel feedstock prices : the US evidence 

      Dutta, Anupam; Junttila, Juha; Uddin, Gazi S. (Wiley, 25.02.2019)
      Given that, nowadays, 40% of the US corn crop is used for biofuel production, there is a growing concern that the rise in biofuel production might lead to an increase in food prices. However, it is also obvious that ...
    • Forest certification and country of origin : choice experiment analysis of outdoor decking material selection in e-commerce market in Finland 

      Holopainen, Jani; Toppinen, Anne; Lähtinen, Katja; Rekola, Mika (MDPI, 11.11.2017)
      Since the early 1990s, there has been hope that the uptake of certified forest products would ensure more sustainable forest management and also deliver business benefits along the value chain. Our study applies a Discrete ...
    • Forest sector sustainability communication in Europe : a systematic literature review on the contents and gaps 

      Lähtinen, Katja; Toppinen, Anne; Suojanen, Hannele; Stern, Tobias; Ranacher, Lea; Burnard, Michael; Kitek Kuzman, Manja (Springer Nature, 06.07.2017)
      Purpose of Review - Stakeholder communication plays an important role in enhancing the societal sustainability and business acceptability of the forest sector. The purpose of this study is to present the current state of ...
    • FPGA-implementation of PID-controller by differential evolution optimization 

      Hanhila, Mika; Mantere, Timo; Alander, Jarmo T. (De Gruyter, 08.11.2018)
      We will describe an FPGA implementation of PID-controller that uses differential evolution to optimize the coefficients of the PID controller, which has been implemented in VHDL. The original differential evolution algorithm ...
    • Fractional delta hedging strategy for pricing currency options with transaction costs 

      Shokrollahi, Foad (Scientific Press, 2017)
      This study deals with the problem of pricing European currency options in discrete time setting, whose prices follow the fractional Black Scholes model with transaction costs. Both the pricing formula and the fractional ...