Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Evangelos Ioannidis"'
Publikováno v:
Mathematics, Vol 12, Iss 8, p 1141 (2024)
In this paper we offer a comprehensive review of Sociophysics, focusing on relevant models as well as selected applications in social trading, behavioral finance and business. We discuss three key aspects of social diffusion dynamics, namely Opinion
Externí odkaz:
https://doaj.org/article/532125a335ea47afbc2a32113fb59625
Publikováno v:
AppliedMath, Vol 2, Iss 4, Pp 638-658 (2022)
ESG ratings are data-driven indices, focused on three key pillars (Environmental, Social, and Governance), which are used by investors in order to evaluate companies and countries, in terms of Sustainability. A reasonable question which arises is how
Externí odkaz:
https://doaj.org/article/d653c4dc73e7494abda5255849ea45a2
Publikováno v:
Mathematics, Vol 11, Iss 22, p 4670 (2023)
A key parameter when investing is Time Horizon. One of the biggest mistakes investors make is not aligning the timeline of their goals with their investment portfolio. In other words, time horizons determine the investment portfolio you should constr
Externí odkaz:
https://doaj.org/article/5565ad74d96e46e9a1edeca9f606d3b9
Publikováno v:
Information, Vol 14, Iss 10, p 580 (2023)
The early intervention of law enforcement authorities to prevent an impending terrorist attack is of utmost importance to ensuring economic, financial, and social stability. From our previously published research, the key individuals who play a vital
Externí odkaz:
https://doaj.org/article/24137bad02c549689dd456d83b4e99e4
Autor:
Alexandros Z. Spyropoulos, Charalampos Bratsas, Georgios C. Makris, Evangelos Ioannidis, Vassilis Tsiantos, Ioannis Antoniou
Publikováno v:
Mathematics, Vol 10, Iss 7, p 1092 (2022)
Law enforcement authorities deal with terrorism in two ways: prevention and legal procedures to establish the offence of forming a terrorist organization. Setting up the offence of a terrorist organization requires proof that the members of the organ
Externí odkaz:
https://doaj.org/article/a244d54abb5f45b8926937f403c0ae1c
Autor:
Georgios Angelidis, Charalambos Bratsas, Georgios Makris, Evangelos Ioannidis, Nikos C. Varsakelis, Ioannis E. Antoniou
Publikováno v:
Mathematics, Vol 9, Iss 24, p 3202 (2021)
The COVID-19 pandemic caused a boom in demand for personal protective equipment, or so-called “COVID-19 goods”, around the world. We investigate three key sectoral global value chain networks, namely, “chemicals”, “rubber and plastics”, a
Externí odkaz:
https://doaj.org/article/b0acc9b52015469daf6fd4062056393a
Autor:
Alexandros Z. Spyropoulos, Charalampos Bratsas, Georgios C. Makris, Evangelos Ioannidis, Vassilis Tsiantos, Ioannis Antoniou
Publikováno v:
Entropy, Vol 23, Iss 10, p 1334 (2021)
In recent years, law enforcement authorities have increasingly used mathematical tools to support criminal investigations, such as those related to terrorism. In this work, two relevant questions are discussed: “How can the different roles of membe
Externí odkaz:
https://doaj.org/article/0e222e52696d4b178036187071d193d1
Publikováno v:
Mathematics, Vol 9, Iss 1, p 103 (2021)
We extend the agent-based models for knowledge diffusion in networks, restricted to random mindless interactions and to “frozen” (static) networks, in order to take into account intelligent agents and network co-evolution. Intelligent agents make
Externí odkaz:
https://doaj.org/article/39640f61505c4fdcbc1d3179fdf47b2d
Publikováno v:
Mathematics, Vol 8, Iss 12, p 2235 (2020)
The social adoption of change is usually hard because in reality, forces opposing the social adoption of change manifest. This situation of organizational conflict corresponds to the case where two competing groups of influential agents (“promoters
Externí odkaz:
https://doaj.org/article/3502827b3e8b400cb28ca4bb0ac8a7ef
Publikováno v:
Entropy, Vol 22, Iss 10, p 1068 (2020)
We investigated competitive conditions in global value chains (GVCs) for a period of fifteen years (2000–2014), focusing on sector structure, countries’ dominance and diversification. For this purpose, we used data from the World Input–Output D
Externí odkaz:
https://doaj.org/article/4ab477823786400f8bf943c801d321e7