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55 Results Found

  • Article
  • Open Access
7 Citations
6,218 Views
12 Pages

Portfolio optimization is an activity for balancing return and risk. In this paper, we used mean-variance (M-V) portfolio models with buy-in threshold and cardinality constraints. This model can be formulated as a mixed integer nonlinear programming...

  • Article
  • Open Access
4 Citations
5,465 Views
12 Pages

Portfolio Optimization Constrained by Performance Attribution

  • Yuan Hu,
  • W. Brent Lindquist and
  • Svetlozar T. Rachev

This paper investigates performance attribution measures as a basis for constraining portfolio optimization. We employ optimizations that minimize conditional value-at-risk and investigate two performance attributes, asset allocation (AA) and the sel...

(This article belongs to the Special Issue Frontiers in Quantitative Finance)
  • Article
  • Open Access
1 Citations
1,370 Views
28 Pages

2 December 2025

Portfolio optimization is fundamental to modern finance, enabling investors to construct allocations that balance risk and return while satisfying practical constraints. When transaction costs and cardinality limits are incorporated, the problem beco...

(This article belongs to the Special Issue Recent Advances in Brain-Like Computing)
  • Article
  • Open Access
37 Citations
52,447 Views
23 Pages

A Biased-Randomized Iterated Local Search Algorithm for Rich Portfolio Optimization

  • Renatas Kizys,
  • Angel A. Juan,
  • Bartosz Sawik and
  • Laura Calvet

26 August 2019

This research develops an original algorithm for rich portfolio optimization (ARPO), considering more realistic constraints than those usually analyzed in the literature. Using a matheuristic framework that combines an iterated local search metaheuri...

(This article belongs to the Special Issue Advanced Bio-Inspired Mathematical Modeling and Machine Learning Algorithms for Quantitative Finance Applications)
  • Article
  • Open Access
1 Citations
645 Views
22 Pages

Topology-Aware Multi-Objective Swarm Optimization for Bond ETF Allocation Under Credit-Risk Constraints

  • Ziyi Tang,
  • Jingming Li,
  • Jingjing Jiang,
  • Mu-Jiang-Shan Wang and ,
  • Wentao Zhu and
  • Yue Zhu
  • + 1 author+ 0 author

7 May 2026

Bond ETF rebalancing is difficult to describe with return and risk objectives alone, because a portfolio that looks attractive on paper may still be impractical if it requires large and unstable trades. This paper proposes a topology-aware multi-obje...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
1 Citations
1,024 Views
17 Pages

4 July 2025

Sustainable economic decision making increasingly requires robust methodologies capable of withstanding deep uncertainty, particularly in volatile financial and resource-constrained environments. This paper introduces a unified optimization framework...

(This article belongs to the Section Economic and Business Aspects of Sustainability)
  • Article
  • Open Access
765 Views
26 Pages

1 May 2026

Large-scale constrained multi-objective optimization problems (LCMOPs) pose significant challenges due to the curse of dimensionality, complex constraint landscapes, and high computational overhead. In time-sensitive scenarios, existing large-scale c...

(This article belongs to the Section Evolutionary Algorithms and Machine Learning)
  • Article
  • Open Access
22 Citations
13,949 Views
28 Pages

22 March 2013

Portfolio optimization is one of the problems most frequently encountered by financial practitioners. The main goal of this paper is to fill a gap in the literature by providing a well-documented, step-by-step open-source implementation of Critical L...

  • Article
  • Open Access
3,554 Views
13 Pages

23 August 2021

This paper revisits the dynamic MV portfolio selection problem with cone constraints in continuous-time. We first reformulate our constrained MV portfolio selection model into a special constrained LQ optimal control model and develop the optimal por...

  • Article
  • Open Access
1 Citations
5,129 Views
18 Pages

Portfolio Optimization under Correlation Constraint

  • Aditya Maheshwari and
  • Traian A. Pirvu

6 February 2020

We consider the problem of portfolio optimization with a correlation constraint. The framework is the multi-period stochastic financial market setting with one tradable stock, stochastic income, and a non-tradable index. The correlation constraint is...

(This article belongs to the Special Issue Systemic Risk in Finance and Insurance)
  • Article
  • Open Access
49 Citations
23,602 Views
24 Pages

Bitcoin and Portfolio Diversification: A Portfolio Optimization Approach

  • Walid Bakry,
  • Audil Rashid,
  • Somar Al-Mohamad and
  • Nasser El-Kanj

This study investigates the performance of Bitcoin as a diversifier under different constraining portfolio optimization frameworks. The study employs different constraining optimization frameworks that seek to maximize risk-adjusted returns (Sharpe r...

(This article belongs to the Special Issue Advanced Portfolio Optimization and Management)
  • Article
  • Open Access
1 Citations
2,439 Views
16 Pages

Portfolio optimization is a mathematical formulation whose objective is to maximize returns while minimizing risks. A great deal of improvement in portfolio optimization models has been made, including the addition of practical constraints. As the nu...

  • Article
  • Open Access
1 Citations
6,926 Views
19 Pages

This paper addresses the problem of constructing optimal equity portfolios under volatile market conditions by minimizing realized volatility—an alternative risk quantifier that more accurately captures short-term market fluctuations than tradi...

(This article belongs to the Section Mathematics and Finance)
  • Article
  • Open Access
3 Citations
4,299 Views
11 Pages

Multi-Objective Pharmaceutical Portfolio Optimization under Uncertainty of Cost and Return

  • Mahboubeh Farid,
  • Hampus Hallman,
  • Mikael Palmblad and
  • Johannes Vänngård

21 September 2021

This paper presents the study of multi-objective optimization of a pharmaceutical portfolio when both cost and return values are uncertain. Decision makers in the pharmaceutical industry encounter several challenges in deciding the optimal selection...

(This article belongs to the Special Issue Multiple Criteria Decision Making)
  • Article
  • Open Access
12 Citations
5,102 Views
18 Pages

Portfolio Implementation Risk Management Using Evolutionary Multiobjective Optimization

  • David Quintana,
  • Roman Denysiuk,
  • Sandra Garcia-Rodriguez and
  • António Gaspar-Cunha

18 October 2017

Portfolio management based on mean-variance portfolio optimization is subject to different sources of uncertainty. In addition to those related to the quality of parameter estimates used in the optimization process, investors face a portfolio impleme...

  • Article
  • Open Access
6 Citations
8,926 Views
30 Pages

15 September 2015

In the paper, we introduce a multi-objective scenario-based optimization approach for chance-constrained portfolio selection problems. More specifically, a modified version of the normal constraint method is implemented with a global solver in order...

(This article belongs to the Special Issue Non-Life Insurance Mathematics beyond Risk Theory: Pricing and Claims Reserving)
  • Article
  • Open Access
6,197 Views
20 Pages

27 October 2014

In this paper we formulate the Risk Management Control problem in the interest rate area as a constrained stochastic portfolio optimization problem. The utility that we use can be any continuous function and based on the viscosity theory, the unique...

  • Article
  • Open Access
4 Citations
2,285 Views
29 Pages

Reinforcement Learning-Guided NSGA-II Enhanced with Gray Relational Coefficient for Multi-Objective Optimization: Application to NASDAQ Portfolio Optimization

  • Zhiyuan Wang,
  • Qinxu Ding,
  • Ding Ding,
  • Siying Zhu and ,
  • Jing Ren,
  • Yue Wang and
  • Chong Hui Tan
  • + 2 authors+ 0 author

14 January 2026

In modern financial markets, decision-makers increasingly rely on quantitative methods to navigate complex trade-offs among multiple, often conflicting objectives. This paper addresses constrained multi-objective optimization (MOO) with an applicatio...

(This article belongs to the Special Issue Multi-Objective Evolutionary Algorithms and Their Applications)
  • Article
  • Open Access
11 Citations
3,605 Views
14 Pages

27 July 2019

Enhanced indexation is an active portfolio management strategy aimed to find a portfolio outperforming a market index. To ensure stable returns and to avoid extreme losses, a sensible enhanced indexation model should be sustainable, where the paramet...

(This article belongs to the Special Issue Sustainability of the Theories Developed by Mathematical Finance and Mathematical Economics with Applications)
  • Article
  • Open Access
1,884 Views
18 Pages

2 March 2026

Traditional mean–variance portfolio optimization proves inadequate for cryptocurrency markets, where extreme volatility, fat-tailed return distributions, and unstable correlation structures undermine the validity of variance as a comprehensive...

  • Article
  • Open Access
2 Citations
3,833 Views
39 Pages

5 December 2025

Accurately predicting asset returns remains a central challenge in finance, with significant implications for portfolio optimization and risk management. In response to the challenge, this study evaluates the predictive performance of machine learnin...

  • Article
  • Open Access
1 Citations
661 Views
24 Pages

15 July 2026

In many real-world domains, optimization problems involve both quantitative objectives and qualitative criteria that cannot be directly formulated as mathematical functions. While recent research has integrated large language models (LLMs) into optim...

(This article belongs to the Special Issue Multi-Objective Optimization: Mathematical Methods, Algorithms, and Applications)
  • Article
  • Open Access
1 Citations
4,588 Views
15 Pages

Commodity Market Risk: Examining Price Co-Movements in the Pakistan Mercantile Exchange

  • Falik Shear,
  • Muhammad Bilal,
  • Badar Nadeem Ashraf and
  • Nasir Ali

22 May 2024

Commodity price co-movements significantly impact investment decisions. High correlations constrain portfolio diversification and limit risk mitigation potential. While international markets often exhibit strong price linkages, understanding national...

  • Article
  • Open Access
2 Citations
3,374 Views
40 Pages

29 April 2025

This paper introduces a two-phase decision support system based on information theory and financial practices to assist investors in solving cardinality-constrained portfolio optimization problems. Firstly, the approach employs a stock-picking proced...

(This article belongs to the Special Issue Entropy, Econophysics, and Complexity)
  • Article
  • Open Access
6 Citations
12,094 Views
20 Pages

Portfolio Constraints: An Empirical Analysis

  • Guido Abate,
  • Tommaso Bonafini and
  • Pierpaolo Ferrari

Mean-variance optimization often leads to unreasonable asset allocations. This problem has forced scholars and practitioners alike to introduce portfolio constraints. The scope of our study is to verify which type of constraint is more suitable for a...

  • Article
  • Open Access
1,200 Views
22 Pages

Weekly macro-financial and financial market data, combined with machine learning methods, offer new possibilities for identifying latent economic states in real time, but the portfolio value of regime detection depends critically on how detected stat...

(This article belongs to the Special Issue Next-Generation Macroeconomics: Data-Driven and Artificial Intelligence Approaches)
  • Article
  • Open Access
10 Citations
6,265 Views
14 Pages

On the Adaptive Penalty Parameter Selection in ADMM

  • Serena Crisci,
  • Valentina De Simone and
  • Marco Viola

25 May 2023

Many data analysis problems can be modeled as a constrained optimization problem characterized by nonsmooth functionals, often because of the presence of ℓ1-regularization terms. One of the most effective ways to solve such problems is through...

(This article belongs to the Special Issue Recent Advances in Nonsmooth Optimization and Analysis)
  • Article
  • Open Access
204 Views
36 Pages

Network-Aware Cloud Integration with Uncertainty-Gated Pareto Decisions: A Formal Cognitive Architecture with Exact Computational Verification

  • Olga Torstensson,
  • Dmytro Prokopovych-Tkachenko,
  • Valerii Lakhno,
  • Alona Desiatko and
  • Serhii Fedotov

22 October 2026

Cloud integration can be economically attractive yet operationally unsuitable when dependent services exchange traffic over constrained network paths. This study develops a network-aware extension of a time-dependent, three-objective integration mode...

(This article belongs to the Section Network Virtualization and Edge/Fog Computing)
  • Feature Paper
  • Article
  • Open Access
868 Views
40 Pages

30 April 2026

We study an infinite-horizon consumption–investment problem in which an investor endogenously manages a consumption comfort zone above a fixed subsistence benchmark. Consumption can move freely within the prevailing admissible interval, while u...

(This article belongs to the Special Issue Recent Advances in Stochastic Processes and Their Applications)
  • Article
  • Open Access
175 Views
15 Pages

Optimization of an Operational Waste Valorization Investment Portfolio in Copper Mining: An ε-Constraint Approach

  • Cristóbal Leyton-Urzúa,
  • Juan M. Sepúlveda,
  • Vinka Monardes,
  • Iván Derpich and ,
  • Melisa Herrera and
  • Andrea Espinoza
  • + 1 author+ 0 author

1 November 2026

The mining industry generates substantial volumes of operational waste, including lubricant oils, lead-acid batteries, steel scrap, and end-of-life tires (ELTs). Their valorization is increasingly required under Extended Producer Responsibility (EPR)...

(This article belongs to the Section Mineral Processing and Extractive Metallurgy)
  • Article
  • Open Access
6 Views
37 Pages

6 November 2026

Disruptions to high-speed rail (HSR) can cause passenger-service losses across cities, while air alternatives depend on transfers and residual capacity. This study evaluates functional robustness in an HSR-centered rail–air network and selects...

(This article belongs to the Special Issue Advancements in Intelligent Transportation Systems and Traffic Analysis: 2nd Edition)
  • Article
  • Open Access
281 Views
44 Pages

2 October 2026

Practitioners choosing among risk measures for portfolio construction face a real question: does the choice of risk proxy—variance, mean absolute deviation (MAD), interquartile range (IQR), or a wider central-quantile measure—actually cha...

  • Review
  • Open Access
1,217 Views
27 Pages

28 June 2026

Artificial intelligence (AI) and machine learning (ML) are increasingly important in financial technology (FinTech) applications involving large datasets, uncertainty, and complex decision-making. First, this paper presents a review of AI- and ML-bas...

(This article belongs to the Topic Decision Science Applications and Models (DSAM))
  • Article
  • Open Access
387 Views
14 Pages

Xylose-Assisted Glycolic Acid Overproduction in Engineered Issatchenkia orientalis

  • Ran Ge,
  • Xu Wang,
  • Yufan Xing,
  • Dongjie Yu and ,
  • Lin Hu,
  • Zixiang Xu,
  • Qiaqing Wu,
  • Dunming Zhu and
  • Mingfeng Cao
  • + 4 authors+ 0 author

7 October 2026

Glycolic acid (GA) is an important platform chemical with applications in biodegradable polymers, cosmetics, and pharmaceutical synthesis; however, traditional petrochemical routes raise environmental concerns, and current microbial production platfo...

(This article belongs to the Section Fungal Cell Biology, Metabolism and Physiology)
  • Article
  • Open Access
1,667 Views
22 Pages

21 November 2025

As global decarbonization accelerates, the environmental and economic viability of hydrogen production largely depends on the evolving electricity supply mix. This study focused on alkaline water electrolysis (AWE) to identify the key factors affecti...

(This article belongs to the Special Issue Sustainability Assessment of Renewable Fuels Production)
  • Article
  • Open Access
5 Citations
2,309 Views
24 Pages

31 August 2023

In research of a better description for information uncertainty, Z-numbers, which are related to both the objective information and the subjective criticism, were first conceptualized by Zadeh. Because of its neologism, there have been multitudinous...

(This article belongs to the Special Issue Advanced Methods in Fuzzy Control and Their Applications)
  • Communication
  • Open Access
7 Citations
3,866 Views
9 Pages

National Immunization Program Decision Making Using the CAPACITI Decision-Support Tool: User Feedback from Indonesia and Ethiopia

  • Maarten Jansen,
  • Dijana Spasenoska,
  • Mardiati Nadjib,
  • Desalegn Ararso and ,
  • Raymond Hutubessy,
  • Anna-Lea Kahn and
  • Philipp Lambach
  • + 2 authors+ 0 author

20 March 2024

To ensure that limited domestic resources are invested in the most effective interventions, immunization programs in low- and middle-income countries (LMICs) must prioritize a growing number of new vaccines while considering opportunities to optimize...

(This article belongs to the Special Issue Estimating Vaccines' Value and Impact)
  • Article
  • Open Access
7 Citations
2,986 Views
14 Pages

15 December 2020

Climate change caused by greenhouse gas emissions is of critical concern to international shipping. A large portfolio of mitigation measures has been developed to mitigate ship gas emissions by reducing ship energy consumption but is constrained by p...

(This article belongs to the Section Sustainable Transportation)
  • Systematic Review
  • Open Access
2 Citations
3,210 Views
35 Pages

30 October 2025

Variable renewable energy sources and cross-zonal trades stress transmission grids, pushing them toward thermal limits. This systematic review, reported in accordance with PRISMA 2020, examines how demand-side response (DSR) can provide relief at the...

(This article belongs to the Section F1: Electrical Power System)
  • Article
  • Open Access
4,898 Views
19 Pages

12 May 2022

This study provides fully mathematically and economically feasible solutions to estimating implied correlation matrices in equity markets. Factor analysis is combined with option data to receive ex ante beliefs for cross-sectional correlations. Neces...

(This article belongs to the Section E5: Financial Mathematics)
  • Article
  • Open Access
2 Citations
1,729 Views
20 Pages

Spectral Graph Compression in Deploying Recommender Algorithms on Quantum Simulators

  • Chenxi Liu,
  • W. Bernard Lee and
  • Anthony G. Constantinides

This follow-up scientific case study builds on prior research to explore the computational challenges of applying quantum algorithms to financial asset management, focusing specifically on solving the graph-cut problem for investment recommendation....

(This article belongs to the Section AI-Driven Innovations)
  • Article
  • Open Access
293 Views
33 Pages

4 October 2026

To address the limitations of traditional investment management in volatile markets, this study develops an automated decision-making system for Taiwan Exchange-Traded Funds (ETFs) based on Bidirectional Long Short-Term Memory (Bi-LSTM) networks. The...

(This article belongs to the Special Issue Deep Learning Models and Their Applications)
  • Article
  • Open Access
736 Views
21 Pages

22 May 2026

Digital transformation in higher education has increasingly shifted from a technology-centered agenda toward a multidimensional institutional process involving governance, quality assurance, process redesign, and data-driven decision-making. This stu...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Review
  • Open Access
967 Views
34 Pages

Quantifying and Monetizing Demand-Side Potential at the Grid Edge: Methods for Aggregation, Bidding and Retail Optimization

  • Bin Li,
  • Muhammad Athar,
  • Muhammad Ali Khan,
  • Ali Muqtadir and ,
  • Qi Guo and
  • Hongfang Pan
  • + 1 author+ 0 author

9 February 2026

This comprehensive review maps how China’s demand-side resources are aggregated, bid into markets, and monetized at the grid edge. We synthesize original studies and pilots to compare edge architectures for local estimation and privacy-preservi...

  • Review
  • Open Access
1 Citations
2,013 Views
50 Pages

Advances in Technologies for the Treatment of and Resource Recovery from Organic Wastes: A Review

  • Jiani Tian,
  • Daohong Zhang,
  • Ning Jiang,
  • Chengze Yu and ,
  • Jiaqi Hou,
  • Chunming Hu,
  • Panpan Wang and
  • Chaocan Li
  • + 3 authors+ 0 author

Effective management of organic wastes is essential for green and low-carbon development. Conventional technologies, including incineration, pyrolysis, hydrothermal carbonization (HTC), gasification, anaerobic digestion (AD), and composting, have sup...

(This article belongs to the Special Issue Feature Reviews in Recycling: Waste Processing Technologies)
  • Review
  • Open Access
780 Views
27 Pages

Smart city governance increasingly relies on AI-enabled planning systems, digital twins, vulnerability scoring tools, and capital investment platforms to allocate climate-resilient housing and infrastructure investments. Yet existing smart-urbanism a...

(This article belongs to the Section Urban Governance for Health and Well-Being)
  • Article
  • Open Access
402 Views
27 Pages

Accurate conditional volatility forecasting is essential for risk management, asset pricing, and portfolio optimization. Despite the widespread use of GARCH family models and the proliferation of deep learning architectures, a methodological gap pers...

(This article belongs to the Topic Artificial Intelligence, Banking, and Financial Risk Management)
  • Article
  • Open Access
1 Citations
795 Views
16 Pages

27 April 2026

Credit risk assessment under severe class imbalance requires both structured imbalance correction and principled decision rules, yet most studies treat these as independent steps. This study develops a general integrated three-layer framework for cre...

(This article belongs to the Special Issue Artificial Intelligence and the Quantitative Management of Financial Risk)
  • Article
  • Open Access
1 Citations
820 Views
22 Pages

10 March 2026

Methane emissions from dairy production constitute a significant share of agricultural greenhouse gas emissions in Poland and represent a key challenge under EU climate policy and the Common Agricultural Policy (CAP). This study evaluates dairy farme...

  • Article
  • Open Access
390 Views
30 Pages

23 September 2026

Mission-critical Internet of Things (MC-IoT) applications, such as remote surgery, autonomous drone swarms, industrial safety monitoring, etc., have ultra-stringent requirements for reliability (99.999%), latency (sub-millisecond) and inter-slice iso...

(This article belongs to the Special Issue Sensor-Based IoT Systems: Edge Intelligence, Trust Management, and Applications)

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