Design and SPICE implementation of a 12-term novel hyperchaotic system and its synchronisation via active control. - Sundarapandian Vaidyanathan; Ahmad Taher Azar; Karthikeyan Rajagopal; Prasina Alexander (Int. J. Model. Identif. Control., 2015)

Intelligent switching between multiple model-based adaptive controllers using data-driven control theory. - Karthikeyan Rajagopal; Sivasubramanya Nadar Balakrishnan (ACC, 2016)

Optimal controller design for control-affine stochastic systems using neural networks and path integrals. - Karthikeyan Rajagopal; Sivasubramanya Nadar Balakrishnan; Jerome R. Busemeyer (ACC, 2016)

Chaos Control in Fractional Order Smart Grid with Adaptive Sliding Mode Control and Genetically Optimized PID Control and Its FPGA Implementation. - Anitha Karthikeyan; Karthikeyan Rajagopal (Complex., 2017)

Fractional Order Memristor No Equilibrium Chaotic System with Its Adaptive Sliding Mode Synchronization and Genetically Optimized Fractional Order PID Synchronization. - Karthikeyan Rajagopal; Laarem Guessas; Anitha Karthikeyan; Ashokkumar Srinivasan; Girma Adam (Complex., 2017)

Hyperchaotic Chameleon: Fractional Order FPGA Implementation. - Karthikeyan Rajagopal; Anitha Karthikeyan; Prakash Duraisamy (Complex., 2017)

LabVIEW implementation of chaotic masking with adaptively synchronised forced Van der Pol oscillators and its application in real-time image encryption. - Sundarapandian Vaidyanathan; Karthikeyan Rajagopal (Int. J. Simul. Process. Model., 2017)

Neural Network-Based Solutions for Stochastic Optimal Control Using Path Integrals. - Karthikeyan Rajagopal; Sivasubramanya Nadar Balakrishnan; Jerome R. Busemeyer (IEEE Trans. Neural Networks Learn. Syst., 2017)

Bifurcation and Chaos in Integer and Fractional Order Two-Degree-of-Freedom Shape Memory Alloy Oscillators. - Karthikeyan Rajagopal; Anitha Karthikeyan; Prakash Duraisamy; Riessom Weldegiorgis (Complex., 2018)

No Chattering and Adaptive Sliding Mode Control of a Fractional-Order Phase Converter with Disturbances and Parameter Uncertainties. - Karthikeyan Rajagopal; Riessom Weldegiorgis; Anitha Karthikeyan; Prakash Duraisamy; Goitom Tadesse (Complex., 2018)

A Novel Approach to Numerical Modeling of Metabolic System: Investigation of Chaotic Behavior in Diabetes Mellitus. - Payam Sadeghi Shabestari; Karthikeyan Rajagopal; Bahareh Safarbali; Sajad Jafari; Prakash Duraisamy (Complex., 2018)

Hyperchaotic Memcapacitor Oscillator with Infinite Equilibria and Coexisting Attractors. - Karthikeyan Rajagopal; Sajad Jafari; Anitha Karthikeyan; Ashokkumar Srinivasan; Biniyam Ayele (Circuits Syst. Signal Process., 2018)

A New Fractional-Order Chaotic System with Different Families of Hidden and Self-Excited Attractors. - Jesús M. Muñoz-Pacheco; Ernesto Zambrano-Serrano; Christos K. Volos; Sajad Jafari; Jacques Kengne; Karthikeyan Rajagopal (Entropy, 2018)

Megastability, Multistability in a Periodically Forced Conservative and Dissipative System with Signum Nonlinearity. - Pankaj Prakash; Karthikeyan Rajagopal; Jay Prakash Singh; Binoy Krishna Roy (Int. J. Bifurc. Chaos, 2018)

Some New Dissipative Chaotic Systems with Cyclic Symmetry. - Karthikeyan Rajagopal; Shirin Panahi; Anitha Karthikeyan; Ahmed Alsaedi; Viet-Thanh Pham; Tasawar Hayat (Int. J. Bifurc. Chaos, 2018)

Hidden Attractor in a Passive Motion Model of Compass-Gait Robot. - Mahdi Nourian Zavareh; Fahimeh Nazarimehr; Karthikeyan Rajagopal; Sajad Jafari (Int. J. Bifurc. Chaos, 2018)

A new hyperchaotic temperature fluctuations model, its circuit simulation, FPGA implementation and an application to image encryption. - Sundarapandian Vaidyanathan; Ahmad Taher Azar; Karthikeyan Rajagopal; Aceng Sambas; Sezgin Kaçar; Ünal Çavusoglu (Int. J. Simul. Process. Model., 2018)

A Simple Chaotic System With Topologically Different Attractors. - Karthikeyan Rajagopal; Akif Akgul; Irene M. Moroz; Zhouchao Wei; Sajad Jafari; Iqtadar Hussain (IEEE Access, 2019)

Birth and death of spiral waves in a network of Hindmarsh-Rose neurons with exponential magnetic flux and excitable media. - Fatemeh Parastesh; Karthikeyan Rajagopal; Fawaz E. Alsaadi; Tasawar Hayat; Viet-Thanh Pham; Iqtadar Hussain (Appl. Math. Comput., 2019)

Chaotic Dynamics of an Airfoil with Higher-Order Plunge and Pitch Stiffnesses in Incompressible Flow. - Karthikeyan Rajagopal; Yesgat Admassu; Riessom Weldegiorgis; Prakash Duraisamy; Anitha Karthikeyan (Complex., 2019)

Parameter Identification of Chaotic Systems Using a Modified Cost Function Including Static and Dynamic Information of Attractors in the State Space. - Yasser Shekofteh; Sajad Jafari; Karthikeyan Rajagopal; Viet-Thanh Pham (Circuits Syst. Signal Process., 2019)

Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors. - Christos K. Volos; Sajad Jafari; Jacques Kengne; Jesús M. Muñoz-Pacheco; Karthikeyan Rajagopal (Entropy, 2019)

Simplest Megastable Chaotic Oscillator. - Sajad Jafari; Karthikeyan Rajagopal; Tasawar Hayat; Ahmed Alsaedi; Viet-Thanh Pham (Int. J. Bifurc. Chaos, 2019)

A New Imprisoned Strange Attractor. - Fahimeh Nazarimehr; Viet-Thanh Pham; Karthikeyan Rajagopal; Fawaz E. Alsaadi; Tasawar Hayat; Sajad Jafari (Int. J. Bifurc. Chaos, 2019)

Multistability and Coexisting Attractors in a New Circulant Chaotic System. - Karthikeyan Rajagopal; Akif Akgul; Viet-Thanh Pham; Fawaz E. Alsaadi; Fahimeh Nazarimehr; Fuad E. Alsaadi; Sajad Jafari (Int. J. Bifurc. Chaos, 2019)

Antimonotonicity, Bifurcation and Multistability in the Vallis Model for El Niño. - Karthikeyan Rajagopal; Sajad Jafari; Viet-Thanh Pham; Zhouchao Wei; Premraj Durairaj; Kathamuthu Thamilmaran; Anitha Karthikeyan (Int. J. Bifurc. Chaos, 2019)

Hyperchaos and Coexisting Attractors in a Modified van der Pol-Duffing Oscillator. - Karthikeyan Rajagopal; Abdul Jalil M. Khalaf; Zhouchao Wei; Viet-Thanh Pham; Ahmed Alsaedi; Tasawar Hayat (Int. J. Bifurc. Chaos, 2019)

CAMO: Self-Excited and Hidden Chaotic Flows. - Karthikeyan Rajagopal; Fahimeh Nazarimehr; Anitha Karthikeyan; Ashokkumar Srinivasan; Sajad Jafari (Int. J. Bifurc. Chaos, 2019)

Fractional Order Simple Chaotic Oscillator with Saturable Reactors and Its Engineering Applications. - Karthikeyan Rajagopal; Sajad Jafari; Sezgin Kaçar; Anitha Karthikeyan; Akif Akgül (Inf. Technol. Control., 2019)

An Exponential Jerk System: Circuit Realization, Fractional Order and Time Delayed Form with Dynamical Analysis and Its Engineering Application. - Karthikeyan Rajagopal; Akif Akgul; Sajad Jafari; Anitha Karthikeyan; Ünal Çavusoglu; Sezgin Kaçar (J. Circuits Syst. Comput., 2019)

Analysis, Control and FPGA Implementation of a Fractional-Order Modified Shinriki Circuit. - Karthikeyan Rajagopal; Fahimeh Nazarimehr; Laarem Guessas; Anitha Karthikeyan; Ashokkumar Srinivasan; Sajad Jafari (J. Circuits Syst. Comput., 2019)

Dynamics of a neuron exposed to integer- and fractional-order discontinuous external magnetic flux. - Karthikeyan Rajagopal; Fahimeh Nazarimehr; Anitha Karthikeyan; Ahmed Alsaedi; Tasawar Hayat; Viet-Thanh Pham (Frontiers Inf. Technol. Electron. Eng., 2019)

Cost function based on hidden Markov models for parameter estimation of chaotic systems. - Yasser Shekofteh; Sajad Jafari; Karthikeyan Rajagopal (Soft Comput., 2019)

Dynamic Analysis and FPGA Implementation of fractional-order Model of a 5D homopolar disc dynamo. - Zhouchao Wei; Yingying Li; Karthikeyan Rajagopal (Mechatron. Syst. Control., 2020)

A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions. - Chunsheng Feng; Cunyun Nie; Haiyuan Yu; Liping Zhou; Karthikeyan Rajagopal (Complex., 2020)

Network Dynamics of a Fractional-Order Phase-Locked Loop with Infinite Coexisting Attractors. - Anitha Karthikeyan; Karthikeyan Rajagopal (Complex., 2020)

A Novel Simple 4-D Hyperchaotic System with a Saddle-Point Index-2 Equilibrium Point and Multistability: Design and FPGA-Based Applications. - Pankaj Prakash; Karthikeyan Rajagopal; Ismail Koyuncu; Jay Prakash Singh; Murat Alcin; Binoy Krishna Roy; Murat Tuna (Circuits Syst. Signal Process., 2020)

Modification of the Logistic Map Using Fuzzy Numbers with Application to Pseudorandom Number Generation and Image Encryption. - Lazaros Moysis; Christos K. Volos; Sajad Jafari; Jesús M. Muñoz-Pacheco; Jacques Kengne; Karthikeyan Rajagopal; Ioannis N. Stouboulos (Entropy, 2020)

Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors II. - Christos K. Volos; Sajad Jafari; Jesús M. Muñoz-Pacheco; Jacques Kengne; Karthikeyan Rajagopal (Entropy, 2020)

Existence of Metastable, Hyperchaos, Line of Equilibria and Self-Excited Attractors in a New Hyperjerk Oscillator. - Karthikeyan Rajagopal; Jay Prakash Singh; Anitha Karthikeyan; Binoy Krishna Roy (Int. J. Bifurc. Chaos, 2020)

Dynamic analysis, FPGA implementation, and cryptographic application of an autonomous 5D chaotic system with offset boosting. - Sifeu Takougang Kingni; Karthikeyan Rajagopal; Serdar Çiçek; Ashokkumar Srinivasan; Anitha Karthikeyan (Frontiers Inf. Technol. Electron. Eng., 2020)

Chaotic dynamics of a fractional order glucose-insulin regulatory system. - Karthikeyan Rajagopal; Atiyeh Bayani; Sajad Jafari; Anitha Karthikeyan; Iqtadar Hussain (Frontiers Inf. Technol. Electron. Eng., 2020)

An exponential jerk system, its fractional-order form with dynamical analysis and engineering application. - Karthikeyan Rajagopal; Akif Akgul; Sajad Jafari; Anitha Karthikeyan; Ünal Çavusoglu; Sezgin Kaçar (Soft Comput., 2020)

Magnetic induction can control the effect of external electrical stimuli on the spiral wave. - Karthikeyan Rajagopal; Iqtadar Hussain; Zahra Rostami; Chunbiao Li; Viet-Thanh Pham; Sajad Jafari (Appl. Math. Comput., 2021)

Chaotic Power System Stabilization Based on Novel Incommensurate Fractional-Order Linear Augmentation Controller. - Abdul-Basset A. Al-Hussein; Fadhil Rahma Tahir; Karthikeyan Rajagopal (Complex., 2021)

Blow-Up of Solutions for a Coupled Nonlinear Viscoelastic Equation with Degenerate Damping Terms: Without Kirchhoff Term. - Salah Mahmoud Boulaaras; Abdelbaki Choucha; Mohamed Abdalla; Karthikeyan Rajagopal; Sahar Ahmed Idris (Complex., 2021)

Chimera State in the Network of Fractional-Order FitzHugh-Nagumo Neurons. - Janarthanan Ramadoss; Sajedeh Aghababaei; Fatemeh Parastesh; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Complex., 2021)

A Simple Chaotic Wien Bridge Oscillator with a Fractional-Order Memristor and Its Combination Synchronization for Efficient Antiattack Capability. - Anitha Karthikeyan; Karthikeyan Rajagopal; Victor Kamdoum Tamba; Girma Adam; Ashokkumar Srinivasan (Complex., 2021)

Predicting Tipping Points in Chaotic Maps with Period-Doubling Bifurcations. - Changzhi Li; Dhanagopal Ramachandran; Karthikeyan Rajagopal; Sajad Jafari; Yongjian Liu (Complex., 2021)

Limit Cycles of a Class of Perturbed Differential Systems via the First-Order Averaging Method. - Amor Menaceur; Salah Mahmoud Boulaaras; Amar Makhlouf; Karthikeyan Rajagopal; Mohamed Abdalla (Complex., 2021)

A New Circumscribed Self-Excited Spherical Strange Attractor. - Ramesh Ramamoorthy; Sajjad Shaukat Jamal; Iqtadar Hussain; Mahtab Mehrabbeik; Sajad Jafari; Karthikeyan Rajagopal (Complex., 2021)

A New Megastable Chaotic Oscillator with Blinking Oscillation terms. - Dhinakaran Veeman; Hayder Natiq; Nadia M. G. Al-Saidi; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Complex., 2021)

Proposing and Dynamical Analysis of a Hyperjerk Piecewise Linear Chaotic System with Offset Boostable Variable and Hidden Attractors. - M. D. Vijayakumar; Sajjad Shaukat Jamal; Ahmed M. Ali Ali; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Complex., 2021)

A Memristive Hyperjerk Chaotic System: Amplitude Control, FPGA Design, and Prediction with Artificial Neural Network. - Ran Wang; Chunbiao Li; Serdar Çiçek; Karthikeyan Rajagopal; Xin Zhang 068 (Complex., 2021)

A Novel Megastable Oscillator with a Strange Structure of Coexisting Attractors: Design, Analysis, and FPGA Implementation. - Kui Zhang; M. D. Vijayakumar; Sajjad Shaukat Jamal; Hayder Natiq; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Complex., 2021)

Stabilization and Synchronization of a Complex Hidden Attractor Chaotic System by Backstepping Technique. - Jesús M. Muñoz-Pacheco; Christos K. Volos; Fernando E. Serrano; Sajad Jafari; Jacques Kengne; Karthikeyan Rajagopal (Entropy, 2021)

Dynamical Effects of Offset Terms on a Modified Chua's Oscillator and Its Circuit Implementation. - Léandre Kamdjeu Kengne; Karthikeyan Rajagopal; Nestor Tsafack; Paul Didier Kamdem Kuate; Balamurali Ramakrishnan; Jacques Kengne; Hilaire Bertrand Fotsin; Justin Roger Mboupda Pone (Int. J. Bifurc. Chaos, 2021)

A New Multi-Scroll Megastable Oscillator Based on the Sign Function. - Haikong Lu; Karthikeyan Rajagopal; Fahimeh Nazarimehr; Sajad Jafari (Int. J. Bifurc. Chaos, 2021)

Connecting Curves as a Tool to Localize Hidden Attractors in a New Chaotic Hyperjerk System with No Equilibria. - Nafise Naseri; Sivabalan Ambigapathy; Mohadeseh Shafiei Kafraj; Farnaz Ghassemi; Karthikeyan Rajagopal; Sajad Jafari (Int. J. Bifurc. Chaos, 2021)

A New System with a Self-Excited Fully-Quadratic Strange Attractor and Its Twin Strange Repeller. - Arthanari Ramesh; Iqtadar Hussain; Hayder Natiq; Mahtab Mehrabbeik; Sajad Jafari; Karthikeyan Rajagopal (Int. J. Bifurc. Chaos, 2021)

Switching between Dissipative and Conservative Behaviors in a Modified Hyperchaotic System with the Variation of Its Parameter. - Jay Prakash Singh; Karthikeyan Rajagopal; Binoy Krishna Roy (Int. J. Bifurc. Chaos, 2021)

A Chaotic Quadratic Bistable Hyperjerk System with Hidden Attractors and a Wide Range of Sample Entropy: Impulsive Stabilization. - M. D. Vijayakumar; Alireza Bahramian; Hayder Natiq; Karthikeyan Rajagopal; Iqtadar Hussain (Int. J. Bifurc. Chaos, 2021)

A non-autonomous chaotic system with no equilibrium. - Changzhi Li; Karthikeyan Rajagopal; Fahimeh Nazarimehr; Yongjian Liu (Integr., 2021)

Fractional-Order Analysis of Modified Chua's Circuit System with the Smooth Degree of 3 and Its Microcontroller-Based Implementation with Analog Circuit Design. - Junxia Wang; Li Xiao; Karthikeyan Rajagopal; Akif Akgul; Serdar Çiçek; Burak Aricioglu (Symmetry, 2021)

New hyperchaotic system with single nonlinearity, its electronic circuit and encryption design based on current conveyor. - Anitha Karthikeyan; Serdar Çiçek; Karthikeyan Rajagopal; Prakash Duraisamy; Ashokkumar Srinivasan (Turkish J. Electr. Eng. Comput. Sci., 2021)

FFT bifurcation: A tool for spectrum analyzing of dynamical systems. - Nazanin Zandi Mehran; Fahimeh Nazarimehr; Karthikeyan Rajagopal; Dibakar Ghosh; Sajad Jafari; Guanrong Chen (Appl. Math. Comput., 2022)

Effect of higher-order interactions on synchronization of neuron models with electromagnetic induction. - Mohanasubha Ramasamy 001; Subhasri Devarajan; Suresh Kumarasamy; Karthikeyan Rajagopal (Appl. Math. Comput., 2022)

Cryptocurrency price analysis with ordinal partition networks. - Zahra Shahriari 001; Fahimeh Nazarimehr; Karthikeyan Rajagopal; Sajad Jafari; Matjaz Perc; Milan Svetec (Appl. Math. Comput., 2022)

Finite Difference Computation of Au-Cu/Magneto-Bio-Hybrid Nanofluid Flow in an Inclined Uneven Stenosis Artery. - Hayath Thameem Basha; Karthikeyan Rajagopal; N. Ameer Ahammad; S. Sathish; Sreedhara Rao Gunakala (Complex., 2022)

A Three-Dimensional Autonomous System with a Parabolic Equilibrium: Dynamical Analysis, Adaptive Synchronization via Relay Coupling, and Applications to Steganography and Chaos Encryption. - Janarthanan Ramadoss; Romanic Kengne; Dianorré Tokoue Ngatcha; Victor Kamdoum Tamba; Karthikeyan Rajagopal; Marceline Motchongom Tingue (Complex., 2022)

Driven Force Induced Bifurcation Delay on the Chaotic Financial System. - Balamurali Ramakrishnan; Mohamed Abdalla; Salah Mahmoud Boulaaras; Karthikeyan Rajagopal (Complex., 2022)

A Novel Highly Nonlinear Quadratic System: Impulsive Stabilization, Complexity Analysis, and Circuit Designing. - Arthanari Ramesh; Alireza Bahramian; Hayder Natiq; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Complex., 2022)

A Simple Image Encryption Based on Binary Image Affine Transformation and Zigzag Process. - Adelaïde Nicole Kengnou Telem; Cyrille Feudjio; Balamurali Ramakrishnan; Hilaire Bertrand Fotsin; Karthikeyan Rajagopal (Complex., 2022)

A Simple Conservative Chaotic Oscillator with Line of Equilibria: Bifurcation Plot, Basin Analysis, and Multistability. - Dhinakaran Veeman; Hayder Natiq; Ahmed M. Ali Ali; Karthikeyan Rajagopal; Iqtadar Hussain (Complex., 2022)

Symmetry Breaking-Induced Dynamics for a Fourth-Order Memristor-Based Chaotic Circuit. - Léandre Kamdjeu Kengne; Janarthanan Ramadoss; Jacques Kengne; Karthikeyan Rajagopal (Circuits Syst. Signal Process., 2022)

Effects of Amplitude, Maximal Lyapunov Exponent, and Kaplan-Yorke Dimension of Dynamical Oscillators on Master Stability Function. - Mohadeseh Shafiei Kafraj; Fahimeh Nazarimehr; Dibakar Ghosh; Karthikeyan Rajagopal; Sajad Jafari; Julien Clinton Sprott (Int. J. Bifurc. Chaos, 2022)

Multiscroll in Bidirectionally Coupled Jerk Oscillators: Theoretical Analysis and PSpice Verification. - Hermann-Dior Mekak-Egong; Balamurali Ramakrishnan; Adelaïde Nicole Kengnou Telem; Karthikeyan Rajagopal; Jacques Kengne (Int. J. Bifurc. Chaos, 2022)

Strange Nonchaotic Attractors in Memristor-Based Shimizu-Morioka Oscillator. - Premraj Durairaj; Sathiyadevi Kanagaraj; Kathamuthu Thamilmaran; Karthikeyan Rajagopal (Int. J. Bifurc. Chaos, 2022)

Investigating Bifurcation Points of Complex Network Synchronization. - Bahareh Karimi Rahjerdi; Ramesh Ramamoorthy; Fahimeh Nazarimehr; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Int. J. Bifurc. Chaos, 2022)

A Novel Megastable System: Cloud, Kite, and Arrow-Like Attractors and Their Dynamics. - Balamurali Ramakrishnan; Hayder Natiq; Karthikeyan Rajagopal; Sajad Jafari; Fahimeh Nazarimehr (Int. J. Bifurc. Chaos, 2022)

A New Chaotic System with Coexisting Attractors. - Dhinakaran Veeman; Mahtab Mehrabbeik; Hayder Natiq; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Int. J. Bifurc. Chaos, 2022)

Hidden and Self-Excited Collective Dynamics of a New Multistable Hyper-Jerk System with Unique Equilibrium. - M. D. Vijayakumar; Hayder Natiq; Gervais Dolvis Leutcho; Karthikeyan Rajagopal; Sajad Jafari; Iqtadar Hussain (Int. J. Bifurc. Chaos, 2022)

Multimedia Cryptosystem for IoT Applications Based on a Novel Chaotic System around a Predefined Manifold. - Li Li 015; Ahmed A. Abd El-Latif 001; Sajad Jafari; Karthikeyan Rajagopal; Fahimeh Nazarimehr; Bassem Abd-El-Atty (Sensors, 2022)

Dominant Attractor in Coupled Non-Identical Chaotic Systems. - Dorsa Nezhad Hajian; Sriram Parthasarathy; Fatemeh Parastesh; Karthikeyan Rajagopal; Sajad Jafari (Entropy, 2022)

Synchronization in functional brain networks of children suffering from ADHD based on Hindmarsh-Rose neuronal model. - Sheida Ansarinasab; Fatemeh Parastesh; Farnaz Ghassemi; Karthikeyan Rajagopal; Sajad Jafari; Dibakar Ghosh (Comput. Biol. Medicine, 2023)

Effect of Electrical and Chemical Autapse on the Firing Pattern and Synchronization of the Rulkov Neuron Model. - Sriram Parthasarathy; Fatemeh Parastesh; Hayder Natiq; Karthikeyan Rajagopal; Sajad Jafari (Complex., 2023)

Synchronizability of Discrete Nonlinear Systems: A Master Stability Function Approach. - Mohanasubha Ramasamy 001; Suresh Kumarasamy; Sakthi Kumar Sampathkumar; Anitha Karthikeyan; Karthikeyan Rajagopal (Complex., 2023)

A Novel Approximate Message Passing Detection for Massive MIMO 5G System. - Nidhi Gour; Rajneesh Pareek; Karthikeyan Rajagopal; Himanshu Sharma; Mrim M. Alnfiai; Mohammed A. Alzain; Mehedi Masud; Arun Kumar 014 (Comput. Syst. Sci. Eng., 2023)

Peak-Average-Power Ratio Techniques for 5G Waveforms Using D-SLM and D-PTS. - Himanshu Sharma; Karthikeyan Rajagopal; G. Gugapriya; Rajneesh Pareek; Arun Kumar 014; Haya Mesfer Alshahrani; Mohamed K. Nour; Hany Mahgoub; Mohamed Mousa; Anwer Mustafa Hilal (Comput. Syst. Sci. Eng., 2023)

Coexistence of Periodic, Chaotic and Hyperchaotic Attractors in a System Consisting of a Duffing Oscillator Coupled to a van der Pol Oscillator. - Sosthene Tsamene Tanekou; Janarthanan Ramadoss; Jacques Kengne; Germaine Djuidje Kenmoe; Karthikeyan Rajagopal (Int. J. Bifurc. Chaos, 2023)

A Conservative Chaotic Oscillator: Dynamical Analysis and Circuit Implementation. - Sriram Parthasarathy; Hayder Natiq; Karthikeyan Rajagopal; Mahdi Nourian Zavareh; Fahimeh Nazarimehr (Int. J. Bifurc. Chaos, 2023)

Influence of Parametric Symmetry on the Dynamics of 3D Sinusoidal Discrete Systems. - Karthikeyan Rajagopal; Sathiyadevi Kanagaraj; Christos K. Volos; Anitha Karthikeyan (Symmetry, 2023)

Extreme Multistability and Extreme Events in a Novel Chaotic Circuit with Hidden Attractors. - Atefeh Ahmadi; Sriram Parthasarathy; Nikhil Pal; Karthikeyan Rajagopal; Sajad Jafari; Esteban Tlelo-Cuautle (Int. J. Bifurc. Chaos, 2023)

Uncovering the Correlation Between Spindle and Ripple Dynamics and Synaptic Connections in a Hippocampal-Thalamic-Cortical Model. - Sridevi Sriram; Hayder Natiq; Karthikeyan Rajagopal; Fatemeh Parastesh; Sajad Jafari (Int. J. Bifurc. Chaos, 2023)

Complex dynamics in a fractional order nephron pressure and flow regulation model. - Karthikeyan Rajagopal; Anitha Karthikeyan (Biosyst., 2023)

Chaotic Behavior of the Basal Ganglia Cortical Thalamic Model for Absence Seizures: A Comprehensive Dynamical Analysis. - Gayathri Vivekanandhan; Mahtab Mehrabbeik; Hayder Natiq; Nikhil Pal; Karthikeyan Rajagopal; Sajad Jafari (Int. J. Bifurc. Chaos, 2023)

Collective dynamics of a coupled Hindmarsh-Rose neurons with locally active memristor. - Sathiyadevi Kanagaraj; Premraj Durairaj; Sivaperumal Sampath; Anitha Karthikeyan; Karthikeyan Rajagopal (Biosyst., 2023)

Memristive field effect in a single and multilayer neural network with different connection topologies. - Sridevi Sriram; Karthikeyan Rajagopal; Anitha Karthikeyan; Akif Akgul (Appl. Math. Comput., 2023)

Effect of virotherapy treatment on the dynamics of tumor growth through fractional calculus. - Rashid Jan; Salah Mahmoud Boulaaras; Muhammad Jawad; Karthikeyan Rajagopal (Trans. Inst. Meas. Control, 2023)

Synchronization Studies of Hindmarsh-Rose Neuron Networks: Unraveling the Influence of connection induced memristive synapse. - Joseph Dianavinnarasi; Raja Ramachandran; Anitha Karthikeyan; Karthikeyan Rajagopal (Biosyst., 2023)

Effect of Gaussian gradient in the medium's action potential morphology on spiral waves. - Karthikeyan Rajagopal; Dorsa Nezhad Hajian; Hayder Natiq; Yuexi Peng; Fatemeh Parastesh; Sajad Jafari (Appl. Math. Comput., 2024)

Weak synaptic connections may facilitate spiral wave formation under source-sink interactions. - Dorsa Nezhad Hajian; Fatemeh Parastesh; Karthikeyan Rajagopal; Sajad Jafari; Matjaz Perc (Commun. Nonlinear Sci. Numer. Simul., 2024)

Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption. - Rajeskannan Subramanian; Serdar Çiçek; Akif Akgul; Girma Adam; Anitha Karthikeyan; Karthikeyan Rajagopal (Complex., 2024)

Image encryption based on S-box generation constructed by using a chaotic autonomous snap system with only one equilibrium point. - Balamurali Ramakrishnan; Yannick Pascal Kamdeu Nkandeu; Victor Kamdoum Tamba; André Rodrigue Tchamda; Karthikeyan Rajagopal (Multim. Tools Appl., 2024)

Dynamics, synchronization and traveling wave patterns of flux coupled network of Chay neurons. - Joseph Dianavinnarasi; Rakshanaa Kumar; Anitha Karthikeyan; Karthikeyan Rajagopal (Biosyst., 2024)

Dynamics of a novel chaotic map. - Gokulakrishnan Sriram; Ahmed M. Ali Ali; Hayder Natiq; Atefeh Ahmadi; Karthikeyan Rajagopal; Sajad Jafari (J. Comput. Appl. Math., 2024)

Emergence of Hidden Strange Nonchaotic Attractors in a Rational Memristive Map. - Premraj Durairaj; Sathiyadevi Kanagaraj; Zhigang Zheng; Anitha Karthikeyan; Karthikeyan Rajagopal (Int. J. Bifurc. Chaos, 2024)

A Nonlinear Megastable System with Diamond-Shaped Oscillators. - Atefeh Ahmadi; Sridevi Sriram; Ahmed M. Ali Ali; Karthikeyan Rajagopal; Nikhil Pal; Sajad Jafari (Int. J. Bifurc. Chaos, 2024)

Multistability and Four-Scroll Chaos in a Pair of Coupled Second-Order Damped Oscillators with Hyperbolic Sine Function: Theoretical Study and Circuit Simulation. - Sridevi Sriram; Lucas Kana Kemgang; M. F. Rakhmatullaeva; Karthikeyan Rajagopal; Jacques Kengne (Circuits Syst. Signal Process., 2024)

Extreme and Dragon-King Events in a Discrete Neuron Model. - Joseph Dianavinnarasi; Suresh Kumarasamy; Anitha Karthikeyan; Karthikeyan Rajagopal (Int. J. Bifurc. Chaos, 2024)

Exponential synchronization for Markovian jump Lur'e complex networks using sliding mode control: Application to circuit system. - Saravanan Shanmugam; Premraj Durairaj; R. Vadivel; Karthikeyan Rajagopal (Eur. J. Control, 2025)

A Novel Dynamical System: Chaos, Hidden Dynamics, Multistability, and Applications. - Gopinath Barathi; Hayder Natiq; Shaobo He; Huihai Wang; Karthikeyan Rajagopal; Iqtadar Hussain (Int. J. Bifurc. Chaos, 2025)

A New Mega-Stable System with a Mosaic Pattern and Its Hamilton Energy Analysis. - Haiyan Fu; Ramesh Ramamoorthy; Tengfei Lei; Karthikeyan Rajagopal; Sajad Jafari (Int. J. Bifurc. Chaos, 2025)

Optimizing energy efficiency in wireless sensor networks: dynamic routing with capuchin search algorithm. - M. Karthikeyan; D. Manimegalai; Karthikeyan Rajagopal (Multim. Tools Appl., 2025)