Mutual relevance of investor sentiment and finance by modeling coupled stochastic systems with MARS

B Kalaycı, A Özmen, GW Weber - Annals of Operations Research, 2020 - Springer
Stochastic differential equations (SDEs) rapidly become one of the most well-known formats
in which to express such diverse mathematical models under uncertainty such as financial …

Optimal model description of finance and human factor indices

B Kalaycı, V Purutçuoğlu, GW Weber - Central European Journal of …, 2024 - Springer
Economists have conducted research on several empirical phenomena regarding the
behavior of individual investors, such as how their emotions and opinions influence their …

A new approach to multivariate adaptive regression splines by using Tikhonov regularization and continuous optimization

P Taylan, GW Weber, F Yerlikaya Özkurt - Top, 2010 - Springer
This paper introduces a model-based approach to the important data mining tool
Multivariate adaptive regression splines (MARS), which has originally been organized in a …

Cooperative grey games and the grey Shapley value

O Palancı, SZ Alparslan Gök, S Ergün, GW Weber - Optimization, 2015 - Taylor & Francis
This contribution is located in the common area of operational research and economics, with
a close relation and joint future potential with optimization: game theory. We focus on …

Cooperative games under bubbly uncertainty

O Palancı, SZ Alparslan Gök, GW Weber - Mathematical Methods of …, 2014 - Springer
The allocation problem of rewards/costs is a basic question for players, namely, individuals
and companies that are planning cooperation under uncertainty. The involvement of …

Inverse problems in complex multi-modal regulatory networks based on uncertain clustered data

E Kropat, GW Weber, SZ Alparslan-Gök… - … and Bioeconomics I …, 2014 - Springer
Complex regulatory networks effected by noise and data uncertainty occur in many OR
applications. The complexity is compounded by the unknown interactions between the …

Parameter estimation in stochastic differential equations

GW Weber, P Taylan, ZK Görgülü, HA Rahman… - Dynamics, Games and …, 2011 - Springer
Financial processes as processes in nature, are subject to stochastic fluctuations. Stochastic
differential equations turn out to be an advantageous representation of such noisy, real …

Identification of coupled systems of stochastic differential equations in finance including investor sentiment by multivariate adaptive regression splines

B Kalaycı - 2017 - open.metu.edu.tr
Stochastic Differential Equations (SDEs) rapidly become the most well-known format in
which to express such diverse mathematical models under uncertainty such as financial …

An application of the minimal spanning tree approach to the cluster stability problem

Z Volkovich, Z Barzily, GW Weber… - … European Journal of …, 2012 - Springer
Among the areas of data and text mining which are employed today in OR, science,
economy and technology, clustering theory serves as a preprocessing step in the data …

[PDF][PDF] Robust regression analysis for gene-environment and eco-finance networks under polyhedral and ellipsoidal uncertainty

E Kropat, GW Weber - Preprint at IAM, METU, 2008 - unibw.de
Target-environment networks provide a conceptual framework for the analysis of complex
regulatory systems that are effected by noise and uncertainty. They occur in many …