@ARTICLE{
author={Cao Xinwei,Yang Yiguo,Li Shuai,Katsikis Vasilios N,Stanimirovic Predrag S},
year={2025},
title={A novel competition model for dynamic winner-take-all},
journal={INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Cao Xinwei,Yang Yiguo,Li Shuai,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2024},
title={Artificial Neural Dynamics for Portfolio Allocation: An Optimization Perspective},
journal={IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Mourtas Spyridon D,Mosic Dijana V,Katsikis Vasilios N,Cao Xinwei,Li Shuai},
year={2024},
title={A Zeroing Neural Network Approach for Calculating Time-Varying G-Outer Inverse of Arbitrary Matrix},
journal={IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Mourtas Spyridon D,Katsikis Vasilios N,Stanimirovic Predrag S,Kazakovtsev Lev A},
year={2024},
title={Credit and Loan Approval Classification Using a Bio-Inspired Neural Network},
journal={BIOMIMETICS},
volume={9},
number={2},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Mourtas Spyridon D,Mosic Dijana V,Katsikis Vasilios N,Cao Xinwei,Li Shuai},
year={2024},
title={Zeroing neural network approaches for computing time-varying minimal rank outer inverse},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={465},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Gerontitis Dimitrios,Mo Changxin,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2024},
title={Improved zeroing neural models based on two novel activation functions with exponential behavior},
journal={THEORETICAL COMPUTER SCIENCE},
volume={986},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Cao Xinwei,Peng Chen,Zheng Yuhua,Li Shuai,Ha Tran Thu,Shutyaev Victor,Katsikis Vasilios N,Stanimirovic Predrag S},
year={2023},
title={Neural Networks for Portfolio Analysis in High-Frequency Trading},
journal={IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS},
volume={},
number={},
pages={-},
document_type={Article; Early Access},
} 

@ARTICLE{
author={Cao Xinwei,Francis Adam,Pu Xujin,Zhang Zenan,Katsikis Vasilios N,Stanimirovic Predrag S,Brajevic Ivona,Li Shuai},
year={2023},
title={A novel recurrent neural network based online portfolio analysis for high frequency trading},
journal={EXPERT SYSTEMS WITH APPLICATIONS},
volume={233},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Simos Theodore E,Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S},
year={2023},
title={Solving Time-Varying Nonsymmetric Algebraic Riccati Equations With Zeroing Neural Dynamics},
journal={IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS},
volume={53},
number={10},
pages={6575-6587},
document_type={Article},
} 

@ARTICLE{
author={Zhang Daochang,Zhao Yue,Mosic Dijana V,Katsikis Vasilios N},
year={2023},
title={Exact expressions for the Drazin inverse of anti-triangular matrices},
journal={JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS},
volume={428},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Gerontitis Dimitrios,Mo Changxin,Stanimirovic Predrag S,Tzekis Panagiotis,Katsikis Vasilios N},
year={2023},
title={A novel extended Li zeroing neural network for matrix inversion},
journal={NEURAL COMPUTING & APPLICATIONS},
volume={35},
number={19},
pages={14129-14152},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Stanimirovic Predrag S,Mourtas Spyridon D,Xiao Lin,Stanujkic Dragisa,Karabasevic Darjan},
year={2023},
title={Zeroing Neural Network Based on Neutrosophic Logic for Calculating Minimal-Norm Least-Squares Solutions to Time-Varying Linear Systems},
journal={NEURAL PROCESSING LETTERS},
volume={55},
number={7},
pages={8731-8753},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Ivanov Branislav D,Stanujkic Dragisa,Katsikis Vasilios N,Mourtas Spyridon D,Kazakovtsev Lev A,Edalatpanah Seyyed Ahmad},
year={2023},
title={Improvement of Unconstrained Optimization Methods Based on Symmetry Involved in Neutrosophy},
journal={SYMMETRY-BASEL},
volume={15},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Li Shuai,Cao Xinwei},
year={2023},
title={Time-varying minimum-cost portfolio insurance problem via an adaptive fuzzy-power LVI-PDNN},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={441},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Simos Theodore E,Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S},
year={2022},
title={Finite-time convergent zeroing neural network for solving time-varying algebraic Riccati equations},
journal={JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS},
volume={359},
number={18},
pages={10867-10883},
document_type={Article},
} 

@ARTICLE{
author={Stanujkic Dragisa,Karabasevic Darjan,Popovic Gabrijela,Smarandache Florentin,Stanimirovic Predrag S,Saracevic Muzafer H,Katsikis Vasilios N},
year={2022},
title={A Single Valued Neutrosophic Extension of the Simple WISP Method},
journal={INFORMATICA},
volume={33},
number={3},
pages={635-651},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Mourtas Spyridon D,Katsikis Vasilios N,Kazakovtsev Lev A,Krutikov Vladimir N},
year={2022},
title={Recurrent Neural Network Models Based on Optimization Methods},
journal={MATHEMATICS},
volume={10},
number={22},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Stanimirovic Predrag S,Mourtas Spyridon D,Xiao Lin,Karabasevic Darjan,Stanujkic Dragisa},
year={2022},
title={Zeroing Neural Network With Fuzzy Parameter for Computing Pseudoinverse of Arbitrary Matrix},
journal={IEEE TRANSACTIONS ON FUZZY SYSTEMS},
volume={30},
number={9},
pages={3426-3435},
document_type={Article},
} 

@ARTICLE{
author={Simos Theodore E,Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S},
year={2022},
title={Unique non-negative definite solution of the time-varying algebraic Riccati equations with applications to stabilization of LTV systems},
journal={MATHEMATICS AND COMPUTERS IN SIMULATION},
volume={202},
number={},
pages={164-180},
document_type={Article},
} 

@ARTICLE{
author={Jiang Wendong,Lin Chia-Liang,Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Simos Theodore E},
year={2022},
title={Zeroing Neural Network Approaches Based on Direct and Indirect Methods for Solving the Yang-Baxter-like Matrix Equation},
journal={MATHEMATICS},
volume={10},
number={11},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Simos Theodore E,Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Gerontitis Dimitris},
year={2022},
title={A higher-order zeroing neural network for pseudoinversion of an arbitrary time-varying matrix with applications to mobile object localization},
journal={INFORMATION SCIENCES},
volume={600},
number={},
pages={226-238},
document_type={Article},
} 

@ARTICLE{
author={Khan Ameer Tamoor,Cao Xinwei,Brajevic Ivona,Stanimirovic Predrag S,Katsikis Vasilios N,Li Shuai},
year={2022},
title={Non-linear Activated Beetle Antennae Search: A novel technique for non-convex tax-aware portfolio optimization problem},
journal={EXPERT SYSTEMS WITH APPLICATIONS},
volume={197},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Mosic Dijana V,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2022},
title={Properties of the CMP inverse and its computation},
journal={COMPUTATIONAL & APPLIED MATHEMATICS},
volume={41},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Khan Ameer Tamoor,Cao Xinwei,Li Shuai,Katsikis Vasilios N,Brajevic Ivona,Stanimirovic Predrag S},
year={2022},
title={Fraud detection in publicly traded U.S firms using Beetle Antennae Search: A machine learning approach},
journal={EXPERT SYSTEMS WITH APPLICATIONS},
volume={191},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Zhang Yunong},
year={2022},
title={Solving Complex-Valued Time-Varying Linear Matrix Equations via QR Decomposition With Applications to Robotic Motion Tracking and on Angle-of-Arrival Localization},
journal={IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS},
volume={33},
number={8},
pages={3415-3424},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Li Shuai,Cao Xinwei},
year={2022},
title={Time-varying mean-variance portfolio selection problem solving via LVI-PDNN},
journal={COMPUTERS & OPERATIONS RESEARCH},
volume={138},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanujkic Dragisa,Karabasevic Darjan,Popovic Gabrijela,Zavadskas Edmundas Kazimieras,Saracevic Muzafer H,Stanimirovic Predrag S,Ulutas Alptekin,Katsikis Vasilios N,Meidute-Kavaliauskiene Ieva},
year={2021},
title={Comparative Analysis of the Simple WISP and Some Prominent MCDM Methods: A Python Approach},
journal={AXIOMS},
volume={10},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Mosic Dijana V,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2021},
title={Weighted composite outer inverses},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={411},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanujkic Dragisa,Karabasevic Darjan,Popovic Gabrijela,Stanimirovic Predrag S,Saracevic Muzafer H,Smarandache Florentin,Katsikis Vasilios N,Ulutas Alptekin},
year={2021},
title={A New Grey Approach for Using SWARA and PIPRECIA Methods in a Group Decision-Making Environment},
journal={MATHEMATICS},
volume={9},
number={13},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Zhang Yunong},
year={2021},
title={Continuous-Time Varying Complex QR Decomposition via Zeroing Neural Dynamics},
journal={NEURAL PROCESSING LETTERS},
volume={53},
number={5},
pages={3573-3590},
document_type={Article},
} 

@ARTICLE{
author={Stanujkic Dragisa,Karabasevic Darjan,Popovic Gabrijela,Stanimirovic Predrag S,Smarandache Florentin,Saracevic Muzafer H,Ulutas Alptekin,Katsikis Vasilios N},
year={2021},
title={An Innovative Grey Approach for Group Multi-Criteria Decision Analysis Based on the Median of Ratings by Using Python},
journal={AXIOMS},
volume={10},
number={2},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Jin Long,Mosic Dijana V},
year={2021},
title={Properties and computation of continuous-time solutions to linear systems},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={405},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Mosic Dijana V,Stanimirovic Predrag S,Sahoo Jajati Keshari,Behera Ratikanta,Katsikis Vasilios N},
year={2021},
title={One-sided weighted outer inverses of tensors},
journal={JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS},
volume={388},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Gerontitis Dimitrios},
year={2021},
title={A New Varying-Parameter Design Formula for Solving Time-Varying Problems},
journal={NEURAL PROCESSING LETTERS},
volume={53},
number={1},
pages={107-129},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Zhang Zhijun,Li Shuai,Chen Jianlong,Zhou Mengmeng},
year={2020},
title={Varying-parameter Zhang neural network for approximating some expressions involving outer inverses},
journal={OPTIMIZATION METHODS & SOFTWARE},
volume={35},
number={6},
pages={1304-1330},
document_type={Article},
} 

@ARTICLE{
author={Mosic Dijana V,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2020},
title={Solvability of some constrained matrix approximation problems using core-EP inverses},
journal={COMPUTATIONAL & APPLIED MATHEMATICS},
volume={39},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Gerontitis Dimitrios,Moysis L,Stanimirovic Predrag S,Katsikis Vasilios N,Volos C},
year={2020},
title={Varying-parameter finite-time zeroing neural network for solving linear algebraic systems},
journal={ELECTRONICS LETTERS},
volume={56},
number={16},
pages={810-812},
document_type={Article},
} 

@ARTICLE{
author={Katsikis Vasilios N,Mourtas Spyridon D,Stanimirovic Predrag S,Li Shuai,Cao Xinwei},
year={2020},
title={Time-varying minimum-cost portfolio insurance under transaction costs problem via Beetle Antennae Search Algorithm (BAS)},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={385},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Ciric Miroslav D,Katsikis Vasilios N,Li Chaoqian,Ma Haifeng},
year={2020},
title={Outer and (b,c) inverses of tensors},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={68},
number={5},
pages={940-971},
document_type={Article},
} 

@ARTICLE{
author={Sahoo Jajati Keshari,Behera Ratikanta,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2020},
title={Computation of outer inverses of tensors using the QR decomposition},
journal={COMPUTATIONAL & APPLIED MATHEMATICS},
volume={39},
number={3},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Li Shuai},
year={2020},
title={Higher-Order ZNN Dynamics},
journal={NEURAL PROCESSING LETTERS},
volume={51},
number={1},
pages={697-721},
document_type={Article},
} 

@ARTICLE{
author={Khan Ameer Hamza,Cao Xinwei,Katsikis Vasilios N,Stanimirovic Predrag S,Brajevic Ivona,Li Shuai,Kadry Seifedine,Nam Yunyoung},
year={2020},
title={Optimal Portfolio Management for Engineering Problems Using Nonconvex Cardinality Constraint: A Computing Perspective},
journal={IEEE ACCESS},
volume={8},
number={},
pages={57437-57450},
document_type={Article},
} 

@ARTICLE{
author={Sahoo Jajati Keshari,Behera Ratikanta,Stanimirovic Predrag S,Katsikis Vasilios N,Ma Haifeng},
year={2020},
title={Core and core-EP inverses of tensors},
journal={COMPUTATIONAL & APPLIED MATHEMATICS},
volume={39},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zhou Mengmeng,Chen Jianlong,Stanimirovic Predrag S,Katsikis Vasilios N,Ma Haifeng},
year={2020},
title={Complex Varying-Parameter Zhang Neural Networks for Computing Core and Core-EP Inverse},
journal={NEURAL PROCESSING LETTERS},
volume={51},
number={2},
pages={1299-1329},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Kumar Ashim,Katsikis Vasilios N},
year={2019},
title={Further efficient hyperpower iterative methods for the computation of generalized inverses A(T,S)((2))},
journal={REVISTA DE LA REAL ACADEMIA DE CIENCIAS EXACTAS FISICAS Y NATURALES SERIE A-MATEMATICAS},
volume={113},
number={4},
pages={3323-3339},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Srivastava Shwetabh,Pappas Dimitrios},
year={2019},
title={A class of quadratically convergent iterative methods},
journal={REVISTA DE LA REAL ACADEMIA DE CIENCIAS EXACTAS FISICAS Y NATURALES SERIE A-MATEMATICAS},
volume={113},
number={4},
pages={3125-3146},
document_type={Article},
} 

@ARTICLE{
author={Ma Haifeng,Li Na,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2019},
title={Perturbation theory for Moore-Penrose inverse of tensor via Einstein product},
journal={COMPUTATIONAL & APPLIED MATHEMATICS},
volume={38},
number={3},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Li Shuai},
year={2019},
title={Integration enhanced and noise tolerant ZNN for computing various expressions involving outer inverses},
journal={NEUROCOMPUTING},
volume={329},
number={},
pages={129-143},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Kolundzija Dejan},
year={2019},
title={Inversion and pseudoinversion of block arrowhead matrices},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={341},
number={},
pages={379-401},
document_type={Article},
} 

@ARTICLE{
author={Pappas Dimitrios,Katsikis Vasilios N,Stanimirovic Predrag S},
year={2018},
title={The lambda-Aluthge Transform of EP Matrices},
journal={FILOMAT},
volume={32},
number={12},
pages={4403-4411},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Li Shuai},
year={2018},
title={Hybrid GNN-ZNN models for solving linear matrix equations},
journal={NEUROCOMPUTING},
volume={316},
number={},
pages={124-134},
document_type={Article},
} 

@ARTICLE{
author={Petkovic Marko D,Stanimirovic Predrag S,Katsikis Vasilios N},
year={2018},
title={Modified discrete iterations for computing the inverse and pseudoinverse of the time-varying matrix},
journal={NEUROCOMPUTING},
volume={289},
number={},
pages={155-165},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Pappas Dimitrios},
year={2018},
title={Computation of {2,4} and {2,3}-inverses based on rank-one updates},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={66},
number={1},
pages={147-166},
document_type={Article},
} 

@ARTICLE{
author={Srivastava Shwetabh,Stanimirovic Predrag S,Katsikis Vasilios N,Gupta Dharmendra K},
year={2017},
title={A Family of Iterative Methods with Accelerated Convergence for Restricted Linear System of Equations},
journal={MEDITERRANEAN JOURNAL OF MATHEMATICS},
volume={14},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Ma Haifeng},
year={2017},
title={Representations and properties of the W-Weighted Drazin inverse},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={65},
number={6},
pages={1080-1096},
document_type={Article},
} 

@ARTICLE{
author={Pappas Dimitrios,Katsikis Vasilios N,Stanimirovic Ivan P},
year={2017},
title={Symbolic Computation of the Aluthge Transform},
journal={MEDITERRANEAN JOURNAL OF MATHEMATICS},
volume={14},
number={2},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Stojanovic Igor},
year={2016},
title={Computing the Pseudoinverse of Specific Toeplitz Matrices Using Rank-One Updates},
journal={MATHEMATICAL PROBLEMS IN ENGINEERING},
volume={},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Pappas Dimitrios},
year={2016},
title={Computing {2,4} and {2,3}-inverses by using the Sherman-Morrison formula},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={273},
number={},
pages={584-603},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Pappas Dimitrios,Katsikis Vasilios N,Cvetkovic Marija S},
year={2015},
title={Outer inverse restricted by a linear system},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={63},
number={12},
pages={2461-2493},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Stojanovic Igor,Katsikis Vasilios N,Pappas Dimitrios,Zdravev Zoran},
year={2015},
title={Application of the Least Squares Solutions in Image Deblurring},
journal={MATHEMATICAL PROBLEMS IN ENGINEERING},
volume={},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Pappas Dimitrios,Katsikis Vasilios N},
year={2015},
title={Generalized inverse restricted by the normal Drazin equation},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={63},
number={5},
pages={893-913},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Pappas Dimitrios,Katsikis Vasilios N,Stanimirovic Ivan P},
year={2012},
title={Symbolic computation of AT,S-(2)-inverses using QDR factorization},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={437},
number={6},
pages={1317-1331},
document_type={Article},
} 

@ARTICLE{
author={Stanimirovic Predrag S,Pappas Dimitrios,Katsikis Vasilios N,Stanimirovic Ivan P},
year={2012},
title={Full-rank representations of outer inverses based on the QR decomposition},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={218},
number={20},
pages={10321-10333},
document_type={Article},
}