EPJ Special Topics (EPJ ST)

Regular Article

New insights on dissipative control technique for Takagi–Sugeno fuzzy system with variable time-delays and random packet dropouts

Rupak Datta and Ramasamy Saravanakumar

Published online: 18 October 2024

DOI: 10.1140/epjs/s11734-024-01360-7

Regular Article

Design of fuzzy dissipative sampled-data control for nonlinear wind turbine systems with random packet losses and communication delays

Anto Anbarasu Yesudhas, Syeong Ryong Lee, Jae Hoon Jeong and Young Hoon Joo

Published online: 22 July 2024

DOI: 10.1140/epjs/s11734-024-01249-5

Regular Article

Design of sampled-data controller for T–S fuzzy system with the refined fractional delayed-state and its applications

Ramasamy Subramaniyam, Manivannan Annamalai and Young Hoon Joo

Published online: 05 August 2024

DOI: 10.1140/epjs/s11734-024-01268-2

Regular Article

A sampled-data control scheme for fractional-order fuzzy systems via looped-functional

R. Kiruthika and A. Manivannan

Published online: 24 September 2024

DOI: 10.1140/epjs/s11734-024-01328-7

Regular Article

Quantum genetic algorithm-based memory state feedback control for T–S fuzzy system

K. Sanjay, R. Vijay Aravind and P. Balasubramaniam

Published online: 16 August 2024

DOI: 10.1140/epjs/s11734-024-01293-1

Regular Article

QGA-based reliable control for fuzzy sampled data control systems with applications

B. Ram Kumar, P. Balasubramaniam and R. Vijay Aravind

Published online: 28 June 2024

DOI: 10.1140/epjs/s11734-024-01212-4

Regular Article

Stabilization of T–S fuzzy membership-function dependent H-based sampled-data control systems using an improved exponential two-sided looped-functional approach

Kumarasamy Palanimuthu, Seong Ryong Lee, Jae Hoon Jeong and Young Hoon Joo

Published online: 05 August 2024

DOI: 10.1140/epjs/s11734-024-01262-8

Regular Article

Designing sampled data controller for time-delayed fractional-order neural networks via a new functional approach

N. Padmaja

Published online: 06 August 2024

DOI: 10.1140/epjs/s11734-024-01261-9

Regular Article

An enhanced filtering delay dependent criteria for continuous systems with varying time-delays

M. Karuppusamy and V. M. Revathi

Published online: 02 September 2024

DOI: 10.1140/epjs/s11734-024-01302-3

Regular Article

Design of functional estimation-based controller for the stabilization of time-delayed systems

D. Gomathi, S. Harshavarthini, T. Sathiyaraj, B. Harikaran and R. Sakthivel

Published online: 02 December 2024

DOI: 10.1140/epjs/s11734-024-01419-5

Regular Article

Non-fragile tracking controller design for fractional order systems against active disturbance rejection

S. Arivumani, P. Vadivel, G. Rajchakit and T. Saravanakumar

Published online: 10 July 2024

DOI: 10.1140/epjs/s11734-024-01217-z

Regular Article

Non-fragile event-triggered control for PMSM model with stochastic disturbances

Girija Panneerselvam and Prakash Mani

Published online: 25 June 2024

DOI: 10.1140/epjs/s11734-024-01199-y

Regular Article

Design of an event-triggered extended dissipative state estimator for neural networks with multiple time-varying delays

A. Karnan, G. Soundararajan, G. Nagamani and Ardak Kashkynbayev

Published online: 19 July 2024

DOI: 10.1140/epjs/s11734-024-01240-0

Regular Article

State estimation for nonlinear systems using a recurrent neural network learning algorithm and an event-triggered state observer

Dang Thi Kiem Hong and Dinh Cong Huong

Published online: 09 October 2024

DOI: 10.1140/epjs/s11734-024-01335-8

Regular Article

Active disturbance reduction scheme for descriptor semi-Markovian jump systems with nonlinear uncertainties

S. Mohanapriya and S. Harshavarthini

Published online: 05 August 2024

DOI: 10.1140/epjs/s11734-024-01275-3

Regular Article

On the occurrence of multiscroll and multistable dynamics in a star network of four nonlinearly coupled self-driven Duffing–Rayleigh oscillators

Jayaraman Venkatesh, Janarthanan Ramadoss, Jean Chamberlain Chedjou, Kengne Jacques and Karthikeyan Rajagopal

Published online: 18 July 2024

DOI: 10.1140/epjs/s11734-024-01241-z

Regular Article

Backstepping-based boundary control design for reaction-diffusion equations with delays

K. Mathiyalagan, N. Soundarya Lakshmi and R. Ragul

Published online: 02 December 2024

DOI: 10.1140/epjs/s11734-024-01414-w

Regular Article

Dynamical analysis of non-electric guitar-like instruments with single saddle via Hopf bifurcation

M. Rakshana and P. Balasubramaniam

Published online: 02 December 2024

DOI: 10.1140/epjs/s11734-024-01406-w

Regular Article

Fractional order sunflower equation: stability, bifurcation and chaos

Deepa Gupta and Sachin Bhalekar

Published online: 16 October 2024

DOI: 10.1140/epjs/s11734-024-01356-3

Regular Article

Synchronization for uncertain neural networks with randomly occurring uncertainties and time-delay based on the sliding mode control

S. Priyanka and V. Vembarasan

Published online: 25 June 2024

DOI: 10.1140/epjs/s11734-024-01214-2

Regular Article

Synchronization of fractional order time delayed neural networks using matrix measure approach

S. Jose and V. Parthiban

Published online: 23 August 2024

DOI: 10.1140/epjs/s11734-024-01300-5

Regular Article

Robust sampled-data synchronization of chaotic fractional variable order neural networks with time delays

R. Kiruthika and A. Manivannan

Published online: 15 July 2024

DOI: 10.1140/epjs/s11734-024-01242-y

Regular Article

Analysis of synchronization problems in delayed neural networks with Markovian jumping via looped functionals

R. Preetha, M. Parimala, S. Keerthana and A. Manivannan

Published online: 04 October 2024

DOI: 10.1140/epjs/s11734-024-01343-8

Regular Article

Adaptive synchronization of the switching stochastic neural networks with time-dependent delays

Sasikala Subramaniam and Prakash Mani

Published online: 14 June 2024

DOI: 10.1140/epjs/s11734-024-01198-z

Regular Article

Exponential function projective synchronization of delayed discrete-time neural networks under saturation-based feedback controller

K. Sri Raja Priyanka and G. Nagamani

Published online: 25 June 2024

DOI: 10.1140/epjs/s11734-024-01213-3

Regular Article

Master–slave synchronization of electrocardiogram chaotic networks dealing with stochastic perturbance

N. Ramesh Babu, R. Vijay Aravind and P. Balasubramaniam

Published online: 19 September 2024

DOI: 10.1140/epjs/s11734-024-01303-2

Regular Article

Chaos, synchronization, and emergent behaviors in memristive hopfield networks: bi-neuron and regular topology analysis

Bertrand Frederick Boui A Boya, Sishu Shankar Muni, José Luis Echenausía-Monroy and Jacques Kengne

Published online: 16 August 2024

DOI: 10.1140/epjs/s11734-024-01297-x

Open Access

Regular Article

A note on the dynamics of a COVID-19 epidemic model with saturated incidence rate

Mehmet Gümüş and Kemal Türk

Published online: 14 June 2024

DOI: 10.1140/epjs/s11734-024-01191-6

Regular Article

Analyzing epidemiological trends in second and third waves of COVID-19 variants in India

Kushagra Agarwal, Subrata Ghosh, Nita Parekh and Chittaranjan Hens

Published online: 23 September 2024

DOI: 10.1140/epjs/s11734-024-01331-y

Regular Article

Modeling of COVID-19 with vaccination and optimal control

A. Karthik and Mini Ghosh

Published online: 16 July 2024

DOI: 10.1140/epjs/s11734-024-01246-8

Regular Article

Some fractional-order modeling and analysis of the transmission dynamics together with prevention controls

Juan L. G. Guirao, Rashid Jan, Dumitru Baleanu, Pshtiwan Othman Mohammed, Farah Aini Abdullah and Nejmeddine Chorfi

Published online: 18 June 2024

DOI: 10.1140/epjs/s11734-024-01197-0

Regular Article

Optimal control analysis of fractional order delayed SIQR model for COVID-19

S. Suganya and V. Parthiban

Published online: 19 August 2024

DOI: 10.1140/epjs/s11734-024-01294-0

Regular Article

Complex dynamics of a fractional-order delayed epidemic model incorporating waning immunity and optimal control

Suvankar Majee, Soovoojeet Jana, T. K. Kar and Bidhan Bhunia

Published online: 08 July 2024

DOI: 10.1140/epjs/s11734-024-01221-3

Regular Article

Control analysis of fractional-order extracellular delayed Hepatitis C virus model

P. Chandrika and C. Rajivganthi

Published online: 17 June 2024

DOI: 10.1140/epjs/s11734-024-01202-6

Regular Article

Complex dynamics of a fractional-order monkeypox transmission system with saturated recovery function

Snehasis Barman, Soovoojeet Jana, Suvankar Majee, Anupam Khatua and Tapan Kumar Kar

Published online: 27 August 2024

DOI: 10.1140/epjs/s11734-024-01283-3

Regular Article

A fractional mathematical model for vaccinated humans with the impairment of Monkeypox transmission

A. Venkatesh, M. Manivel, K. Arunkumar, M. Prakash Raj, Shyamsunder and S. D. Purohit

Published online: 10 July 2024

DOI: 10.1140/epjs/s11734-024-01211-5

Regular Article

A fractional order model for dynamics of HIV infection through various modes of transmission

Jyotiska Phukan and Hemen Dutta

Published online: 01 August 2024

DOI: 10.1140/epjs/s11734-024-01258-4

Regular Article

Analysis of a fractional endemic SEIR model with vaccination and time delay

Sara Soulaimani, Abdelilah Kaddar and Fathalla A. Rihan

Published online: 30 July 2024

DOI: 10.1140/epjs/s11734-024-01267-3

Regular Article

Exploring tumor-induced immunosuppression dynamics by myeloid-derived suppressor cells: insights via a fractional-order mathematical model

B. Krithika and P. Tamilalagan

Published online: 06 August 2024

DOI: 10.1140/epjs/s11734-024-01260-w

Open Access

Regular Article

A robust study of the dynamics of tumor–immune interaction for public health via fractional framework

Meshal Shutaywi, Zahir Shah and Rashid Jan

Published online: 05 July 2024

DOI: 10.1140/epjs/s11734-024-01210-6

Regular Article

Fractional-calculus analysis of the dynamics of T cells and human immunodeficiency viruses

Abdulrahman Obaid Alshammari, Imtiaz Ahmad, Rashid Jan and Sahar Ahmed Idris

Published online: 04 July 2024

DOI: 10.1140/epjs/s11734-024-01192-5

Regular Article

Impact of public awareness on haemo-lyphatic and meningo-encepphalitic stage of sleeping sickness using mathematical model approach

James Andrawus, Abbas Abubakar, Abdullahi Yusuf, Agada Apeh Andrew, Berna Uzun and Soheil Salahshour

Published online: 04 December 2024

DOI: 10.1140/epjs/s11734-024-01417-7

Regular Article

Prospective impact of healthcare facilities and infrastructure on infectious disease outbreak dynamics: a modeling study

Jyoti Maurya, Konstantin B. Blyuss and A. K. Misra

Published online: 25 June 2024

DOI: 10.1140/epjs/s11734-024-01224-0

Regular Article

Firing rate model for brain rhythms controlled by astrocytes

Sergey V. Stasenko, Sergey M. Olenin, Eugene A. Grines and Tatiana A. Levanova

Published online: 23 September 2024

DOI: 10.1140/epjs/s11734-024-01336-7

Regular Article

Bifurcation analysis of a discrete-time coral reef model with growth rate on macroalgae

M. Priyanka and P. Muthukumar

Published online: 19 June 2024

DOI: 10.1140/epjs/s11734-024-01196-1

Regular Article

A fractional-order optimal control models for plant-locust surveillance mechanism with singular and non-singular derivative operators

K. Ramalakshmi, B. Sundara Vadivoo and Hijaz Ahmad

Published online: 07 January 2025

DOI: 10.1140/epjs/s11734-024-01437-3

Regular Article

Kidnapping dynamics: a Lotka–Volterra approach with fractional order modeling

Isa Abdullahi Baba, Evren Hincal and Fathalla A. Rihan

Published online: 01 July 2024

DOI: 10.1140/epjs/s11734-024-01208-0

Regular Article

Dynamic analysis on Liu system under fractal–fractional differentiation

R. Gandhimathi and A. Gowrisankar

Published online: 01 July 2024

DOI: 10.1140/epjs/s11734-024-01218-y

Regular Article

Controllability of impulsive fractional damped integrodifferential systems with distributed delays

G. Arthi and R. Sivasangari

Published online: 26 September 2024

DOI: 10.1140/epjs/s11734-024-01324-x

Regular Article

Optimal control system of multi-term fractional stochastic inclusion with Clarke’s subdifferential

P. Muthukumar and K. Anukiruthika

Published online: 27 June 2024

DOI: 10.1140/epjs/s11734-024-01200-8

Regular Article

Approximate controllability results of -Hilfer fractional neutral hemivariational inequalities with infinite delay via almost sectorial operators

G. Gokul and R. Udhayakumar

Published online: 19 September 2024

DOI: 10.1140/epjs/s11734-024-01326-9

Regular Article

On the solutions of coupled nonlinear time-fractional diffusion–reaction system with time delays

K. S. Priyendhu, P. Prakash and M. Lakshmanan

Published online: 21 June 2024

DOI: 10.1140/epjs/s11734-024-01190-7

Regular Article

An advanced algorithm for solving incompressible fluid dynamics: from Navier–Stokes to Poisson equations

Mutaz Mohammad and Alexander Trounev

Published online: 25 June 2024

DOI: 10.1140/epjs/s11734-024-01209-z

Regular Article

Inclined magnetised convective dissipation of radiative Casson nanofluid in porous medium with Soret effect

Vivek Kumar, Paras Ram and Kushal Sharma

Published online: 07 January 2025

DOI: 10.1140/epjs/s11734-024-01439-1

Regular Article

Analysis of inclined magnetic field and variable viscosity effect on flow of hybrid nanofluid over two-way stretching sheet

Mohammed Ismail Sulaiman Basha, David Maxim Gururaj Anthony and M. Priyadharsini

Published online: 20 September 2024

DOI: 10.1140/epjs/s11734-024-01337-6

Regular Article

Optoelectronic application of Chebyshev spectral collocation method for solving the MHD nanofluid flow and heat transfer induced by a convectively heated stretching sheet

M. M. Khader, Hijaz Ahmad and M. Adel

Published online: 20 June 2024

DOI: 10.1140/epjs/s11734-024-01205-3

Regular Article

Magnetohydrodynamic natural convective flow of copper water nanoliquid inside a square cavity with heat absorption/generation

N. Santhosh and R. Sivaraj

Published online: 02 December 2024

DOI: 10.1140/epjs/s11734-024-01404-y

Regular Article

Insight into the Hamilton and Crosser model for ternary hybrid nanofluid flow over a Riga wedge with heterogeneous catalytic reaction

A. M. Obalalu, S. H. A. M. Shah, Adil Darvesh, Umair Khan, Anuar Ishak, Peter Adegbite, O. B. Ojewola, Taseer Muhammad and Ahmed M. Galal

Published online: 16 September 2024

DOI: 10.1140/epjs/s11734-024-01319-8

Regular Article

Ternary hybrid nanofluid flow and heat transfer at a permeable stretching sheet with slip boundary conditions

K. Varatharaj, R. Tamizharasi and K. Vajravelu

Published online: 19 August 2024

DOI: 10.1140/epjs/s11734-024-01295-z

Regular Article

Numerical computation of bio-convective Carreau blood nanofluid flow across three geometries with nonlinear thermal radiation: heat transfer optimization via supervised machine learning

Omar Salah H. Alhamdi and N. Ameer Ahammad

Published online: 09 December 2024

DOI: 10.1140/epjs/s11734-024-01407-9

Regular Article

Scattering of water waves by thick porous breakwater placed over sloped rigid seabed in the presence of ocean current

Kailash Chand Swami and Santanu Koley

Published online: 24 September 2024

DOI: 10.1140/epjs/s11734-024-01333-w

Regular Article

Iterative boundary element method for modeling an inverted T-type porous barrier in presence of ocean currents

Santanu Kumar Dash and Santanu Koley

Published online: 13 September 2024

DOI: 10.1140/epjs/s11734-024-01327-8

Regular Article

Bragg resonance due to an undulated elastic bottom in the presence of current

Rajesh Ranjan Dora and Sanjay Kumar Mohanty

Published online: 21 August 2024

DOI: 10.1140/epjs/s11734-024-01299-9

Regular Article

A numerical study for assessing the spectral wave characteristics during Hurricane Fiona

S. Vaishnavi and V. Prabhakar

Published online: 15 October 2024

DOI: 10.1140/epjs/s11734-024-01357-2

Regular Article

An investigation of the Nernst–Planck model of an electro-viscous fluid flow between squeezing plates with homogeneous–heterogeneous reactions

Wajid Ullah Jan, Muhammad Farooq, Rehan Ali Shah, Aamir Khan, Rashid Jan and Yasser Alrashedi

Published online: 11 September 2024

DOI: 10.1140/epjs/s11734-024-01314-z

Regular Article

A parametric analysis of electroosmotic and magnetohydrodynamic flows with homogeneous-heterogeneous reactions between squeezing plates

Wajid Ullah Jan, Muhammad Farooq, Rehan Ali Shah, Aamir Khan, Rashid Jan, Imtiaz Ahmad and Sahar Ahmed Idris

Published online: 31 July 2024

DOI: 10.1140/epjs/s11734-024-01271-7

Regular Article

Nonlinear dynamics of dissipative oscillatory Jeffrey fluid flow via tapered wavy walls: exploration of irreversibility and entropy generation analysis

P. Vaidehi and J. Sasikumar

Published online: 29 July 2024

DOI: 10.1140/epjs/s11734-024-01266-4

Regular Article

Analysis of MHD micropolar fluid flow over a vertical plate with regular and irregular boundaries

G. Iyyappan, N. Govindaraj, Abhishek Kumar Singh, C. Nirmala, Pankaj Shukla and Dhananjay Yadav

Published online: 29 July 2024

DOI: 10.1140/epjs/s11734-024-01251-x

Regular Article

Elastic waves in a pre-stressed layered media

S. Selvi, R. Selvamani and S. Sabeena Begam

Published online: 29 July 2024

DOI: 10.1140/epjs/s11734-024-01255-7

Regular Article

Physics-informed Hermite neural networks for wetted porous fin under the local thermal non-equilibrium condition: application of clique polynomial method

K. Chandan, K. Karthik, K. V. Nagaraja, Naman Sharma, R. S. Varun Kumar and Taseer Muhammad

Published online: 23 July 2024

DOI: 10.1140/epjs/s11734-024-01247-7

Regular Article

Local meshless methods for elliptic PDEs with multipoint boundary conditions: investigating efficiency and accuracy of various RBFs

Masood Ahmad, Muhammad Nawaz Khan and Imtiaz Ahmad

Published online: 28 November 2024

DOI: 10.1140/epjs/s11734-024-01416-8

Regular Article

Enhanced resolution in solving first-order nonlinear differential equations with integral condition: a high-order wavelet approach

Amir Ali Khan, Muhammad Ahsan, Imtiaz Ahmad and Maher Alwuthaynani

Published online: 22 July 2024

DOI: 10.1140/epjs/s11734-024-01254-8

Regular Article

Convergence of BDF2-Galerkin finite element scheme for cancer invasion model

S. Angelin Shena, J. Manimaran, K. Sethukumarasamy and L. Shangerganesh

Published online: 12 August 2024

DOI: 10.1140/epjs/s11734-024-01272-6

Regular Article

Complex spatiotemporal phenomena in multi-dimensional reaction–diffusion system

Kolade M. Owolabi, Edson Pindza and Sonal Jain

Published online: 28 November 2024

DOI: 10.1140/epjs/s11734-024-01418-6

Regular Article

A comparative study of simulink fuzzy inference system time series method and traditional time series methods for forecasting the air quality index

K. M. Ordenshiya and G. K. Revathi

Published online: 27 June 2024

DOI: 10.1140/epjs/s11734-024-01220-4

Regular Article

A low-light video enhancement approach using novel intuitionistic fuzzy generator

Ravindar Raj Chinnappan and Dhanasekar Sundaram

Published online: 23 September 2024

DOI: 10.1140/epjs/s11734-024-01322-z

Regular Article

A U-shaped CNN with type-2 fuzzy pooling layer and dynamical feature extraction for colorectal polyp applications

S. B. Tharun and S. Jagatheswari

Published online: 19 August 2024

DOI: 10.1140/epjs/s11734-024-01298-w

Regular Article

Solutions of differential equations in bicomplex space using Sadik transforms

A. Thirumalai and K. Muthunagai

Published online: 14 October 2024

DOI: 10.1140/epjs/s11734-024-01359-0

Regular Article

Investigating the quality measures of image enhancement by convoluting the coefficients of analytic functions

B. Nandhini and B. Sruthakeerthi

Published online: 09 September 2024

DOI: 10.1140/epjs/s11734-024-01317-w

Open Access

Regular Article

Explainable AI and tree-based ensemble models: a comparative study in predicting chemical pulmonary toxicity

Keerthana Jaganathan, P. R. Geethika, Shanmugam Ramakrishnan and Dhanasekar Sundaram

Published online: 30 August 2024

DOI: 10.1140/epjs/s11734-024-01291-3

Regular Article

Hybrid LSTM-Markovian model for greenhouse power consumption prediction: a dynamical approach

Divyadharshini Venkateswaran, Yongyun Cho and Changsun Shin

Published online: 24 July 2024

DOI: 10.1140/epjs/s11734-024-01244-w

Regular Article

Enumeration of multivariate independence polynomial for iterations of Sierpinski triangle graph

K. S. Nithiya and D. Easwaramoorthy

Published online: 26 August 2024

DOI: 10.1140/epjs/s11734-024-01304-1

EPJ

The European Physical Journal Special Topics

Dynamical Analysis of Nonlinear Physical Systems: Mathematical Modeling, Artificial intelligence, and Applications

Conference announcements