Viscosity jump in Earth's mid-mantle

ML Rudolph, V Lekić, C Lithgow-Bertelloni - Science, 2015 - science.org
The viscosity structure of Earth's deep mantle affects the thermal evolution of Earth, the
ascent of mantle plumes, settling of subducted oceanic lithosphere, and the mixing of …

Ensemble methods for heart disease prediction

T Karadeniz, G Tokdemir, HH Maraş - New Generation Computing, 2021 - Springer
Heart disease prediction is a critical task regarding human health. It is based on deriving an
Machine Learning model from medical parameters to predict risk levels. In this work, we …

Exponential smoothing weighted correlations

F Pozzi, T Di Matteo, T Aste - The European Physical Journal B, 2012 - Springer
In many practical applications, correlation matrices might be affected by the “curse of
dimensionality” and by an excessive sensitiveness to outliers and remote observations …

Mean–variance optimization for asset allocation

JH Kim, Y Lee, WC Kim… - The Journal of Portfolio …, 2021 - jpm.pm-research.com
The mean–variance model is widely acknowledged as the foundation of portfolio allocation
because it provides a framework for analyzing the trade-off between risk and return for …

Covariance versus precision matrix estimation for efficient asset allocation

M Senneret, Y Malevergne, P Abry… - IEEE Journal of …, 2016 - ieeexplore.ieee.org
Asset allocation constitutes one of the most crucial and most challenging tasks in financial
engineering, which often requires the estimation of large covariance or precision matrices …

[BOOK][B] Portfolio construction and analytics

FJ Fabozzi, DA Pachamanova - 2016 - books.google.com
A detailed, multi-disciplinary approach to investment analytics Portfolio Construction and
Analytics provides an up-to-date understanding of the analytic investment process for …

[HTML][HTML] A machine learning integrated portfolio rebalance framework with risk-aversion adjustment

Z Jiang, R Ji, KC Chang - Journal of Risk and Financial Management, 2020 - mdpi.com
We propose a portfolio rebalance framework that integrates machine learning models into
the mean-risk portfolios in multi-period settings with risk-aversion adjustment. In each …

Combining the minimum-variance and equally-weighted portfolios: Can portfolio performance be improved?

C Jiang, J Du, Y An - Economic Modelling, 2019 - Elsevier
It is documented in the literature that due to estimation errors, mean-variance efficient
portfolios deliver no higher out-of-sample Sharpe ratios than does the naïve equally …

[HTML][HTML] Trading book and credit risk: How fundamental is the Basel review?

JP Laurent, M Sestier, S Thomas - Journal of Banking & Finance, 2016 - Elsevier
Within the new Basel regulatory framework for market risks, non-securitization credit
positions in the trading book are subject to a separate default risk charge (formally …

Using industry momentum to improve portfolio performance

P Behr, A Guettler, F Truebenbach - Journal of Banking & Finance, 2012 - Elsevier
Minimum-variance portfolios, which ignore the mean and focus on the (co) variances of
asset returns, outperform mean–variance approaches in out-of-sample tests. Despite these …