Results 11 to 20 of about 4,896 (227)

A Tail Dependence-Based MST and Their Topological Indicators in Modeling Systemic Risk in the European Insurance Sector

open access: yesRisks, 2020
In the present work, we analyze the dynamics of indirect connections between insurance companies that result from market price channels. In our analysis, we assume that the stock quotations of insurance companies reflect market sentiments, which ...
Anna Denkowska, Stanisław Wanat
doaj   +1 more source

Contractive and optimal sets in Musielak-Orlicz spaces with a smoothness condition [PDF]

open access: yesOpuscula Mathematica, 2013
In this paper we use our recent generalization of a theorem of Jamison-Kamińska-Lewicki (characterizing one-complemented subspaces in Musielak-Orlicz sequence spaces defined by Musielak-Orlicz functions satisfying a general smoothness condition) in order
Anna Denkowska
doaj   +1 more source

Prediction of Mathematical Anxiety Based on Meta-Cognitive Beliefs and Mathematical Self-Efficacy in Female High School Students

open access: yesAvicenna Journal of Neuro Psycho Physiology, 2022
Background and Objective: This study aimed to predict math anxiety based on task self-efficacy, knowledge, and cognitive regulation in female students. Materials and Methods: The statistical population in this descriptive-correlational study included all

semanticscholar   +1 more source

Examining GDP Growth and Its Volatility: An Episodic Approach

open access: yesEntropy, 2021
In this paper, we study economic growth and its volatility from an episodic perspective. We first demonstrate the ability of the genetic algorithm to detect shifts in the volatility and levels of a given time series.
Jakub Bartak   +2 more
doaj   +1 more source

The Relationship Between Academic Regulation And Academic Flow In Junior High School Students

open access: yesAcademia Open, 2021
Students of SMP Negeri 2 Dawarblandong have problems in academic flow, namely students feel unable to concentrate fully and do not enjoy learning and doing math assignments.
K. A. Rahma, G. Affandi
semanticscholar   +1 more source

Entropy-Based Measure of Statistical Complexity of a Game Strategy

open access: yesEntropy, 2020
In this note, we introduce excess strategic entropy—an entropy-based measure of complexity of the strategy. It measures complexity and predictability of the (mixed) strategy of a player.
Fryderyk Falniowski
doaj   +1 more source

Developing Digital Economy and Society in the Light of the Issue of Digital Convergence of the Markets in the European Union Countries

open access: yesEnergies, 2021
The main objective of the paper is to present the development of digital economy and society in the Countries of the European Union in the light of the digital convergence of these markets.
Ryszard Borowiecki   +5 more
doaj   +1 more source

Artificial Neural Networks in Risk Management: A Bibliometric Study

open access: yes, 2021
Breno Gontijo Tavares Carlos Eduardo Sanches da Silva Adler Diniz de Souza 1. INATEL, Nacional Institute of Telecommunications, Information Technology and Communications Center, Av.
Breno Gontijo Tavares   +2 more
semanticscholar   +1 more source

Relation between Pupils’ Mathematical Self-Efficacy and Mathematical Problem Solving in the Context of the Teachers’ Preferred Pedagogies

open access: yesSustainability, 2020
In research focused on self-efficacy it is usually teacher-related phenomena that are studied, while the main aspects related to pupils are rather neglected, although self-efficacy itself is perceived as a belief in one’s own abilities.
V. Chytrý   +3 more
semanticscholar   +1 more source

Asymptotic Expected Utility of Dividend Payments in a Classical Collective Risk Process

open access: yesRisks, 2023
We find the asymptotics of the value function maximizing the expected utility of discounted dividend payments of an insurance company whose reserves are modeled as a classical Cramér risk process, with exponentially distributed claims, when the initial ...
Sebastian Baran   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy