Vol 44 No 7 (2026): Nonlinear Analysis and Applied Mathematics | Boletim da Sociedade Paranaense de Matemática

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Published: 2026-02-21

Special Issue: Non-Linear Analysis and Applied Mathematics

Iterated Bernstein-type $L_p$ Inequalities for Polynomials

Amir Nazir, Mohammad Ibrahim Mir, Man Singh

1-8
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Fixed Point Theorems for Four Mappings in a Complete Digital Metric Space

Brijesh Gupta, D. S. Singh, D. S. Singh, Shagufta Parveen, C. K. Yadav

1-10
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Complex Valued Extended b-Metric Space and Its Fixed Points

Monika, Nawneet Hooda

1-20
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Solution of Non Linear Matrix Equation Using $\theta$-Hyperbolic Sine Distance Functions

Reena Jain

1-9
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The The Vector $\overrightarrow{0}$ Algorithm for Solving Optimal Strategy Problems in Matrix Games and Experimental Computation in Matlab Environment The Vector $\overrightarrow{0}$ Algorithm ...

Hoan Tran Van

1-9
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Approximation of Linear Positive Fuzzy Operators

Kanita, Naokant Deo

1-21
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A Study of Fractional Order SIS Model with Fear Effect and Beddington-De Angelis Incidence Rate Fractional SIS Model with Fear Effect

Abhay Srivastava, Nilam

1-12
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Novel Iterative Approaches: Examining Stability, and Convergence

Charu Batra, Rakesh Kumar , Man Singh

1-14
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Optimizing Production Strategies for Deteriorating Items in Two-level Manufacturing

Brijendra Yadav, Prof Chaman Singh, Sanju Kumar, Gurudatt Rao Ambedkar

1-14
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Mixed hemivariational inequality arising in a thermo-elastic frictional contact problem

RACHID LMANGAD, Oultou Abderrahmane, Hicham Benaissa

1-16
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Fixed Point Theorems for Various Contractions in Super Metric Spaces

Nikita Kadian, Sanjay Kumar

1-12
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Unsupervised Rank-Based Fusion with Rough Fuzzy C-Means (URRFCM) for Diabetic Retinopathy Detection

Vandana Saini, shalini, chaman singh, krishna kumar sharma

1-15
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Optimization Results for Cyclic Proximal Non-Self Mappings and Application to a System of Differential Equations

Iadh Ayari, Abdelbasset Felhi

1-12
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AWolfe-Type Steepest Descent Algorithm for Uncertain Quadratic Multiobjective Optimization Problems

Amar Deep, Shubham Kumar

1-13
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Some New Coupled Fixed Point Results and Applications to a System of Integral Equations

Ümit Çakan, Rakesh Kumar, Amar Deep

1-14
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Hybrid Quantum–Classical Variational Reconstruction of CFD Fields Using VQAs Hybrid Quantum–Classical Variational Reconstruction

SURBHI SHARMA, Rashmi Bhardwaj, Debabrata Datta

1-17
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Exploring the Rectangular Inequality in Bicomplex Valued Metric Spaces

Krishna Bhattacharjee KB, Rakhal Das RD, Hemanta Kalita

1-13
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Autoencoder based Nonnegative Matrix Factorization with Collaborative Consensus for incomplete multiview clustering

Shalini, Vandana Saini, Tarun Yadav, Krishna Kumar Sharma

1-12
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Positive solutions for nonlinear fractional differential equations with a disturbance parameter on an infinite interval

Zhaocai Hao, Lu Song, Martin J. Bohner, Qianqian Gu, Panzhen Liu

1-24
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Delay-Induced Dynamics in a Stage-Structured Food Chain Model

Vimlesh, vinay verma, rachana Pathak, Manisha Chaudhary, Ram Singh, Manju Agarwal

1-18
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Applications of AI in VLSI Design: A Comprehensive Revie

DEEPAK GARG, MANOJ GUPTA

1-14
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Optimization of Decision Support System Using Dynamic Rough Set and Machine Learning in Complex Dynamic Environments

Ekta Yadav, Rashmi Bhardwaj

1-14
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Stability Model of Robot Manipulators by using Adaptive Fast Terminal WNN-based Sliding Mode Control Stability Model of Robot Manipulators

Amit Kumar, Shivani Rani

1-11
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Special Issue: Non-Linear Analysis and Applied Mathematics

Analyzing the Limit Set of Rough Ideal $\lambda\gamma$-Statistical Convergence of Order $\varrho$ in Lattice-Valued Fuzzy Normed Spaces Analyzing the Limit Set of Rough Ideal

Omer Kisi, Mehmet Gurdal, Selim Cetin

1-16
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The Perturbed G-Metric Space and Fixed Point Results Perturbed G-Metric Space and Fixed Point Results

Pardeep Kumar, Professor Nawneet Hooda, Professor Nawneet Hooda

1-15
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Thermal and mass transport in Maxwell-Boger nanofluid flow through a variable porous medium with endothermic and exothermic chemical reactions

Vinutha Kalleshachar, Santhosh B M , Ramesh T, Sathisha A B

1-25
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Solvability of Nonlinear Volterra-Hammerstein type Fractional Integral Equations in Orlicz Space Solvability of Nonlinear Volterra-Hammerstein type...

Bipan Hazarika, Pallav Bora , Pallav Bora

1-11
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A mathematical modeling to determine the evolutionary relationships between Bat and Human corona virus A mathematical modeling to determine the evolutionary...

Bipan Hazarika, Manash Jyoti Borah, Manash Jyoti Borah, Swarupa Bhattacharjee

1-11
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Solvability Analysis of (k − ℓ)-Hilfer Fractional Differential Equations through Generalized Weak Wardowski Contractions

Babak Mohammadi, Vahid Parvaneh, Mohammad Mursaleen

1-15
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NONLOCAL FRACTIONAL PARTIAL DIFFERENTIAL EQUATIONS FOR MODELING ANOMALOUS DIFFUSION IN BIOLOGICAL TISSUES: A UNIFIED THEORETICAL FRAMEWORK

Suman Panwar

1-12
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Adaptive Multi-Switching Chaos Synchronization of Lotka-Volterra Model to Replicate Complete and Anti-Behavior of Hindmarsh-Rose Neuron Model

Dinesh Khattar, Naokant Deo, Mukul Sirohi

1-17
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A generalization of Darbo’s fixed point theorem and its applications to ψ Hilfer fractional hybrid differential equation

Roktima Medhi Medhi, Mallika Sarmah, Mallika Sarmah, Anupam Das

1-11
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A nonhomogeneous Steklov problem with $(p,q)$-Laplace differential operator

Abdelmajid BOUKHSAS, Mustapha BOURZIK, Abdellah Zerouali, Belhadj Karim

1-12
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Generalized Statistical Convergence for Uncertain Double Sequences of Fuzzy Numbers Defined by an Orlicz Function

Işıl Açık Demirci, Ömer Kişi, Mehmet Gürdal

1-16
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Quantum Difference Relative Uniform Convergence of Double Sequence Spaces of Sargent Type Functions

Işıl Açık Demirci, Ömer Kişi, Mehmet Gürdal

1-15
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Modular Space Stability for Cubic Functional Equations in Nonlinear Material Modeling

Siriluk Donganont, S. Karthikeyan, G. Ganapathy, K. Tamilvanan

1-14
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A THREE-DIMENSIONAL MIXED FINITE ELEMENT SCHEME FOR NONLINEAR QUASI-STATIC EDDY CURRENT PROBLEM

montasser hichmani, El Miloud Zaoui

1-8
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Existence of positive solutions to a system of two coupled second order dynamic equations with nonlocal boundary conditions on time scales Existence of positive solutions to a system of two coupled second order dynamic equations with nonlocal boundary conditions on time scales

Mohamed El Amri, Med Lahrouz, Fadil Chabbabi

1-12
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Quantum Graph-Based Modelling of Multi-Step Phase Dynamics in Coupled Oscillator Networks

SURBHI SHARMA, RASHMI Bhardwaj, Debabrata Datta

1-20
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New Ranking Method for Solving Fuzzy Linear Fractional Programming Problems

Rebaz Mustafa

1-11
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Trends and Challenges in Neural-Augmented Epidemic Modelling: Stability, Identifiability and Interpretability Trends and Challenges in Neural-Augmented Epidemic Modelling

Monika, Sarla Chouhan, DEEPAK DHIMAN

1-19
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Controlling Inflation and Deterioration in Single-Channel Supply Chains: A Ramp-Type Demand Model with Partial Backlogging

Dr. Monika Vishnoi, Mr. Gurudatt Rao Ambedkar, Dr. Narayan Singh

1-19
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SECURE COMMUNICATION THROUGH FUNCTION-SYNCHRONIZATION OF TIME-DELAYED UNCERTAIN GENESIO-LORENZ SYSTEMS

Ayub khan, Rimpi Pal

1-14
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An AN EFFICIENT NUMERICAL SIMULATION TECHNIQUE FOR A SYSTEM OF 1D BURGERS EQUATIONS NA

Harindri Chaudhary, Rahul Agarwal, Sumita Dahiya, Sumita Dahiya, R, C, Mittal, R, C, Mittal, Ketki Singh, Ketki Singh

1-20
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Inventory Management of Perishable Products under Inflation and Preservation Technology

Sachin Kumar Verma, Amit Kumar, Vipin Kumar, Sachin Kumar

1-22
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Study of diffusion of nanoparticles on bounded curved surfaces from Langevin Equation Theory: Exact results

ABDELGHANI DAOUDI, MABROUK BENHAMOU, MABROUK BENHAMOU, EL HASSAN EL KINANI

1-20
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Dynamics and Entropy Analysis for a Novel Sine-Cosine 5-D Hyper-Chaotic System and its Utilization for lightweight RGB Image Encryption

Uday QUAEZ, Hayder Kadhim Zghair1, Hayder Kadhim Zghair1, Adil Khudhair Bagheed

1-19
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Global existence, blow-up, and lower bound Estimates for a variable exponent parabolic problem with high initial energy

Abdelkader EL MINSARI, Omar EL ALAMI, Anass OURRAOUI

1-12
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An elliptic partial differential equations system and its application involving the Biharmonic operator

Houssam Baladi, Hassan Bellaouidel, Najib Tsouli

1-10
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Closed-Form Solutions for 12th-Order Nonlinear Rational Recursive Difference Equations

Haya A. Altamimi, Hanan S. Gafel

1-16
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A New Class of Bernstein Operators with Shifted Knots and Statistical Approximation A New Class of Bernstein Operators

Nadeem Rao, Mohammad Ayman-Mursaleen, Dushyant Kumar, Avinash Kumar Yadav

1-15
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Approximation Degree of Bivariate Riemann-Liouville type fractional Stancu-Kantorovich operators Bivariate Riemann-Liouville type fractional Stancu-Kantorovich operators

Deepak Bhardwaj, S. A. Mohiuddine, Arun Kajla, Abdullah Alotaibi

1-18
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Fixed point theorems for generalized S-contraction and Kannan type contraction in weighted ψ-b metric spaces

Sejal Hitesh Karkar, Shiv Kant Tiwari, Abhay Singh Singh

1-9
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Non-Linear Diffusion Dynamics with Variable Market Capacity

Vakil Shriwastav, Umesh Kumar Gupta

1-16
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Solution of some problem of heat and mass transfer on the peristaltic flow in symmetric channel with sinusoidal walls

Hanan S. Gafel, Luluah G. Albugami, S. H. Elhag, Mushrifah. A. S. Al-Malki

1-13
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Computational Study of Mixed Convection Magnetohydrodynamic Flow of an Engine Oil Hybrid Nanofluid over a Stretchable Cylinder in a Porous Environment with Heat Source/Sink Effects Computational Study of Mixed Convection Magnetohydrodynamic Flow of an Engine Oil Hybrid Nanofluid over a Stretchable Cylinder in a Porous Environment with Heat Source/Sink Effects

Poornima Samaje, SALMA ALLA BAKSH, Sibyala Vijayakumar Varma, Hanumagowda Bannihalli Naganagowda

1-20
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