Karthikeyan Rajagopal

119 papers C 2Journal 117

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Efficiency and robustness of eigenvector methods for cluster detection in weighted networks. J. Complex Networks Deivasundari Muthukumar, Atiyeh Bayani, Fahimeh Nazarimehr, Sajad Jafari, Karthikeyan Rajagopal, Matjaz Perc
2026	J	`jnl`	challenging synchronization-based network reconstruction from time series: a critical evaluation using Fitzhugh-Nagumo neural networks. Biol. Cybern. Bahareh Karimi Rahjerdi, Shivakumar Rajagopal, Fahimeh Nazarimehr, Karthikeyan Rajagopal
2025	J	`jnl`	A New Mega-Stable System with a Mosaic Pattern and Its Hamilton Energy Analysis. Int. J. Bifurc. Chaos Haiyan Fu, Ramesh Ramamoorthy, Tengfei Lei, Karthikeyan Rajagopal, Sajad Jafari
2025	J	`jnl`	A Novel Dynamical System: Chaos, Hidden Dynamics, Multistability, and Applications. Int. J. Bifurc. Chaos Gopinath Barathi, Hayder Natiq, Shaobo He, Huihai Wang, Karthikeyan Rajagopal, Iqtadar Hussain
2025	J	`jnl`	Exponential synchronization for Markovian jump Lur'e complex networks using sliding mode control: Application to circuit system. Eur. J. Control Saravanan Shanmugam, Premraj Durairaj, R. Vadivel, Karthikeyan Rajagopal
2025	J	`jnl`	Extreme Events and Hyperchaos in a Special 6D Hyperjerk System. Int. J. Bifurc. Chaos Jean Chamberlain Chedjou, Vijeesh Vijayan, Jacques Kengne, Karthikeyan Rajagopal, Makhkamov Bakhtiyor Shukhratovich
2025	J	`jnl`	Multistability in a 3D Circulant Chaotic Flow: the Circulant Symmetry of Coexisting Dynamics. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Fahimeh Nazarimehr, Sajad Jafari, Julien Clinton Sprott
2025	J	`jnl`	Optimizing energy efficiency in wireless sensor networks: dynamic routing with capuchin search algorithm. Multim. Tools Appl. M. Karthikeyan, D. Manimegalai, Karthikeyan Rajagopal
2024	J	`jnl`	A Nonlinear Megastable System with Diamond-Shaped Oscillators. Int. J. Bifurc. Chaos Atefeh Ahmadi, Sridevi Sriram, Ahmed M. Ali Ali, Karthikeyan Rajagopal, Nikhil Pal, Sajad Jafari
2024	J	`jnl`	A Novel Megastable Chaotic System with Hidden Attractors and Its Parameter Estimation Using the Sparrow Search Algorithm. Comput. Atefeh Ahmadi, Vijeesh Vijayan, Hayder Natiq, Alexander N. Pchelintsev, Karthikeyan Rajagopal, Sajad Jafari
2024	J	`jnl`	Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption. Complex. Rajeskannan Subramanian, Serdar Çiçek, Akif Akgul, Girma Adam, Anitha Karthikeyan, Karthikeyan Rajagopal
2024	J	`jnl`	Dynamics of a novel chaotic map. J. Comput. Appl. Math. Gokulakrishnan Sriram, Ahmed M. Ali Ali, Hayder Natiq, Atefeh Ahmadi, Karthikeyan Rajagopal, Sajad Jafari
2024	J	`jnl`	Dynamics, synchronization and traveling wave patterns of flux coupled network of Chay neurons. Biosyst. Joseph Dianavinnarasi, Rakshanaa Kumar, Anitha Karthikeyan, Karthikeyan Rajagopal
2024	J	`jnl`	Effect of Gaussian gradient in the medium's action potential morphology on spiral waves. Appl. Math. Comput. Karthikeyan Rajagopal, Dorsa Nezhad Hajian, Hayder Natiq, Yuexi Peng, Fatemeh Parastesh, Sajad Jafari
2024	J	`jnl`	Emergence of Hidden Strange Nonchaotic Attractors in a Rational Memristive Map. Int. J. Bifurc. Chaos Premraj Durairaj, Sathiyadevi Kanagaraj, Zhigang Zheng, Anitha Karthikeyan, Karthikeyan Rajagopal
2024	J	`jnl`	Extreme and Dragon-King Events in a Discrete Neuron Model. Int. J. Bifurc. Chaos Joseph Dianavinnarasi, Suresh Kumarasamy, Anitha Karthikeyan, Karthikeyan Rajagopal
2024	J	`jnl`	Image encryption based on S-box generation constructed by using a chaotic autonomous snap system with only one equilibrium point. Multim. Tools Appl. Balamurali Ramakrishnan, Yannick Pascal Kamdeu Nkandeu, Victor Kamdoum Tamba, André Rodrigue Tchamda, Karthikeyan Rajagopal
2024	J	`jnl`	Multistability and Four-Scroll Chaos in a Pair of Coupled Second-Order Damped Oscillators with Hyperbolic Sine Function: Theoretical Study and Circuit Simulation. Circuits Syst. Signal Process. Sridevi Sriram, Lucas Kana Kemgang, M. F. Rakhmatullaeva, Karthikeyan Rajagopal, Jacques Kengne
2024	J	`jnl`	Weak synaptic connections may facilitate spiral wave formation under source-sink interactions. Commun. Nonlinear Sci. Numer. Simul. Dorsa Nezhad Hajian, Fatemeh Parastesh, Karthikeyan Rajagopal, Sajad Jafari, Matjaz Perc
2023	J	`jnl`	A Conservative Chaotic Oscillator: Dynamical Analysis and Circuit Implementation. Int. J. Bifurc. Chaos Sriram Parthasarathy, Hayder Natiq, Karthikeyan Rajagopal, Mahdi Nourian Zavareh, Fahimeh Nazarimehr
2023	J	`jnl`	A Novel Approximate Message Passing Detection for Massive MIMO 5G System. Comput. Syst. Sci. Eng. Nidhi Gour, Rajneesh Pareek, Karthikeyan Rajagopal, Himanshu Sharma, Mrim M. Alnfiai, Mohammed A. Alzain, Mehedi Masud, Arun Kumar
2023	J	`jnl`	Chaotic Behavior of the Basal Ganglia Cortical Thalamic Model for Absence Seizures: A Comprehensive Dynamical Analysis. Int. J. Bifurc. Chaos Gayathri Vivekanandhan, Mahtab Mehrabbeik, Hayder Natiq, Nikhil Pal, Karthikeyan Rajagopal, Sajad Jafari
2023	J	`jnl`	Coexistence of Periodic, Chaotic and Hyperchaotic Attractors in a System Consisting of a Duffing Oscillator Coupled to a van der Pol Oscillator. Int. J. Bifurc. Chaos Sosthene Tsamene Tanekou, Janarthanan Ramadoss, Jacques Kengne, Germaine Djuidje Kenmoe, Karthikeyan Rajagopal
2023	J	`jnl`	Collective dynamics of a coupled Hindmarsh-Rose neurons with locally active memristor. Biosyst. Sathiyadevi Kanagaraj, Premraj Durairaj, Sivaperumal Sampath, Anitha Karthikeyan, Karthikeyan Rajagopal
2023	J	`jnl`	Complex dynamics in a fractional order nephron pressure and flow regulation model. Biosyst. Karthikeyan Rajagopal, Anitha Karthikeyan
2023	J	`jnl`	Effect of Electrical and Chemical Autapse on the Firing Pattern and Synchronization of the Rulkov Neuron Model. Complex. Sriram Parthasarathy, Fatemeh Parastesh, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari
2023	J	`jnl`	Effect of virotherapy treatment on the dynamics of tumor growth through fractional calculus. Trans. Inst. Meas. Control Rashid Jan, Salah Mahmoud Boulaaras, Muhammad Jawad, Karthikeyan Rajagopal
2023	J	`jnl`	Extreme Multistability and Extreme Events in a Novel Chaotic Circuit with Hidden Attractors. Int. J. Bifurc. Chaos Atefeh Ahmadi, Sriram Parthasarathy, Nikhil Pal, Karthikeyan Rajagopal, Sajad Jafari, Esteban Tlelo-Cuautle
2023	J	`jnl`	Influence of Parametric Symmetry on the Dynamics of 3D Sinusoidal Discrete Systems. Symmetry Karthikeyan Rajagopal, Sathiyadevi Kanagaraj, Christos K. Volos, Anitha Karthikeyan
2023	J	`jnl`	Memristive field effect in a single and multilayer neural network with different connection topologies. Appl. Math. Comput. Sridevi Sriram, Karthikeyan Rajagopal, Anitha Karthikeyan, Akif Akgul
2023	J	`jnl`	Peak-Average-Power Ratio Techniques for 5G Waveforms Using D-SLM and D-PTS. Comput. Syst. Sci. Eng. Himanshu Sharma, Karthikeyan Rajagopal, G. Gugapriya, Rajneesh Pareek, Arun Kumar, Haya Mesfer Alshahrani, Mohamed K. Nour, Hany Mahgoub, Mohamed Mousa, Anwer Mustafa Hilal
2023	J	`jnl`	Synchronizability of Discrete Nonlinear Systems: A Master Stability Function Approach. Complex. Mohanasubha Ramasamy, Suresh Kumarasamy, Sakthi Kumar Sampathkumar, Anitha Karthikeyan, Karthikeyan Rajagopal
2023	J	`jnl`	Synchronization Studies of Hindmarsh-Rose Neuron Networks: Unraveling the Influence of connection induced memristive synapse. Biosyst. Joseph Dianavinnarasi, Raja Ramachandran, Anitha Karthikeyan, Karthikeyan Rajagopal
2023	J	`jnl`	Synchronization in functional brain networks of children suffering from ADHD based on Hindmarsh-Rose neuronal model. Comput. Biol. Medicine Sheida Ansarinasab, Fatemeh Parastesh, Farnaz Ghassemi, Karthikeyan Rajagopal, Sajad Jafari, Dibakar Ghosh
2023	J	`jnl`	Uncovering the Correlation Between Spindle and Ripple Dynamics and Synaptic Connections in a Hippocampal-Thalamic-Cortical Model. Int. J. Bifurc. Chaos Sridevi Sriram, Hayder Natiq, Karthikeyan Rajagopal, Fatemeh Parastesh, Sajad Jafari
2022	J	`jnl`	A New Chaotic System with Coexisting Attractors. Int. J. Bifurc. Chaos Dhinakaran Veeman, Mahtab Mehrabbeik, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2022	J	`jnl`	A Novel Highly Nonlinear Quadratic System: Impulsive Stabilization, Complexity Analysis, and Circuit Designing. Complex. Arthanari Ramesh, Alireza Bahramian, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2022	J	`jnl`	A Novel Megastable System: Cloud, Kite, and Arrow-Like Attractors and Their Dynamics. Int. J. Bifurc. Chaos Balamurali Ramakrishnan, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Fahimeh Nazarimehr
2022	J	`jnl`	A Simple Conservative Chaotic Oscillator with Line of Equilibria: Bifurcation Plot, Basin Analysis, and Multistability. Complex. Dhinakaran Veeman, Hayder Natiq, Ahmed M. Ali Ali, Karthikeyan Rajagopal, Iqtadar Hussain
2022	J	`jnl`	A Simple Image Encryption Based on Binary Image Affine Transformation and Zigzag Process. Complex. Adelaïde Nicole Kengnou Telem, Cyrille Feudjio, Balamurali Ramakrishnan, Hilaire Bertrand Fotsin, Karthikeyan Rajagopal
2022	J	`jnl`	A Three-Dimensional Autonomous System with a Parabolic Equilibrium: Dynamical Analysis, Adaptive Synchronization via Relay Coupling, and Applications to Steganography and Chaos Encryption. Complex. Janarthanan Ramadoss, Romanic Kengne, Dianorré Tokoue Ngatcha, Victor Kamdoum Tamba, Karthikeyan Rajagopal, Marceline Motchongom Tingue
2022	J	`jnl`	Cryptocurrency price analysis with ordinal partition networks. Appl. Math. Comput. Zahra Shahriari, Fahimeh Nazarimehr, Karthikeyan Rajagopal, Sajad Jafari, Matjaz Perc, Milan Svetec
2022	J	`jnl`	Dominant Attractor in Coupled Non-Identical Chaotic Systems. Entropy Dorsa Nezhad Hajian, Sriram Parthasarathy, Fatemeh Parastesh, Karthikeyan Rajagopal, Sajad Jafari
2022	J	`jnl`	Driven Force Induced Bifurcation Delay on the Chaotic Financial System. Complex. Balamurali Ramakrishnan, Mohamed Abdalla, Salah Mahmoud Boulaaras, Karthikeyan Rajagopal
2022	J	`jnl`	Effect of higher-order interactions on synchronization of neuron models with electromagnetic induction. Appl. Math. Comput. Mohanasubha Ramasamy, Subhasri Devarajan, Suresh Kumarasamy, Karthikeyan Rajagopal
2022	J	`jnl`	Effects of Amplitude, Maximal Lyapunov Exponent, and Kaplan-Yorke Dimension of Dynamical Oscillators on Master Stability Function. Int. J. Bifurc. Chaos Mohadeseh Shafiei Kafraj, Fahimeh Nazarimehr, Dibakar Ghosh, Karthikeyan Rajagopal, Sajad Jafari, Julien Clinton Sprott
2022	J	`jnl`	FFT bifurcation: A tool for spectrum analyzing of dynamical systems. Appl. Math. Comput. Nazanin Zandi Mehran, Fahimeh Nazarimehr, Karthikeyan Rajagopal, Dibakar Ghosh, Sajad Jafari, Guanrong Chen
2022	J	`jnl`	Finite Difference Computation of Au-Cu/Magneto-Bio-Hybrid Nanofluid Flow in an Inclined Uneven Stenosis Artery. Complex. Hayath Thameem Basha, Karthikeyan Rajagopal, N. Ameer Ahammad, S. Sathish, Sreedhara Rao Gunakala
2022	J	`jnl`	Hidden and Self-Excited Collective Dynamics of a New Multistable Hyper-Jerk System with Unique Equilibrium. Int. J. Bifurc. Chaos M. D. Vijayakumar, Hayder Natiq, Gervais Dolvis Leutcho, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2022	J	`jnl`	Investigating Bifurcation Points of Complex Network Synchronization. Int. J. Bifurc. Chaos Bahareh Karimi Rahjerdi, Ramesh Ramamoorthy, Fahimeh Nazarimehr, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2022	J	`jnl`	Multimedia Cryptosystem for IoT Applications Based on a Novel Chaotic System around a Predefined Manifold. Sensors Li Li, Ahmed A. Abd El-Latif, Sajad Jafari, Karthikeyan Rajagopal, Fahimeh Nazarimehr, Bassem Abd-El-Atty
2022	J	`jnl`	Multiscroll in Bidirectionally Coupled Jerk Oscillators: Theoretical Analysis and PSpice Verification. Int. J. Bifurc. Chaos Hermann-Dior Mekak-Egong, Balamurali Ramakrishnan, Adelaïde Nicole Kengnou Telem, Karthikeyan Rajagopal, Jacques Kengne
2022	J	`jnl`	Strange Nonchaotic Attractors in Memristor-Based Shimizu-Morioka Oscillator. Int. J. Bifurc. Chaos Premraj Durairaj, Sathiyadevi Kanagaraj, Kathamuthu Thamilmaran, Karthikeyan Rajagopal
2022	J	`jnl`	Symmetry Breaking-Induced Dynamics for a Fourth-Order Memristor-Based Chaotic Circuit. Circuits Syst. Signal Process. Léandre Kamdjeu Kengne, Janarthanan Ramadoss, Jacques Kengne, Karthikeyan Rajagopal
2021	J	`jnl`	A Chaotic Quadratic Bistable Hyperjerk System with Hidden Attractors and a Wide Range of Sample Entropy: Impulsive Stabilization. Int. J. Bifurc. Chaos M. D. Vijayakumar, Alireza Bahramian, Hayder Natiq, Karthikeyan Rajagopal, Iqtadar Hussain
2021	J	`jnl`	A Memristive Hyperjerk Chaotic System: Amplitude Control, FPGA Design, and Prediction with Artificial Neural Network. Complex. Ran Wang, Chunbiao Li, Serdar Çiçek, Karthikeyan Rajagopal, Xin Zhang
2021	J	`jnl`	A New Circumscribed Self-Excited Spherical Strange Attractor. Complex. Ramesh Ramamoorthy, Sajjad Shaukat Jamal, Iqtadar Hussain, Mahtab Mehrabbeik, Sajad Jafari, Karthikeyan Rajagopal
2021	J	`jnl`	A New Megastable Chaotic Oscillator with Blinking Oscillation terms. Complex. Dhinakaran Veeman, Hayder Natiq, Nadia M. G. Al-Saidi, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2021	J	`jnl`	A New Multi-Scroll Megastable Oscillator Based on the Sign Function. Int. J. Bifurc. Chaos Haikong Lu, Karthikeyan Rajagopal, Fahimeh Nazarimehr, Sajad Jafari
2021	J	`jnl`	A New System with a Self-Excited Fully-Quadratic Strange Attractor and Its Twin Strange Repeller. Int. J. Bifurc. Chaos Arthanari Ramesh, Iqtadar Hussain, Hayder Natiq, Mahtab Mehrabbeik, Sajad Jafari, Karthikeyan Rajagopal
2021	J	`jnl`	A Novel Megastable Oscillator with a Strange Structure of Coexisting Attractors: Design, Analysis, and FPGA Implementation. Complex. Kui Zhang, M. D. Vijayakumar, Sajjad Shaukat Jamal, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2021	J	`jnl`	A Simple Chaotic Wien Bridge Oscillator with a Fractional-Order Memristor and Its Combination Synchronization for Efficient Antiattack Capability. Complex. Anitha Karthikeyan, Karthikeyan Rajagopal, Victor Kamdoum Tamba, Girma Adam, Ashokkumar Srinivasan
2021	J	`jnl`	A non-autonomous chaotic system with no equilibrium. Integr. Changzhi Li, Karthikeyan Rajagopal, Fahimeh Nazarimehr, Yongjian Liu
2021	J	`jnl`	Blow-Up of Solutions for a Coupled Nonlinear Viscoelastic Equation with Degenerate Damping Terms: Without Kirchhoff Term. Complex. Salah Mahmoud Boulaaras, Abdelbaki Choucha, Mohamed Abdalla, Karthikeyan Rajagopal, Sahar Ahmed Idris
2021	J	`jnl`	Chaotic Power System Stabilization Based on Novel Incommensurate Fractional-Order Linear Augmentation Controller. Complex. Abdul-Basset A. Al-Hussein, Fadhil Rahma Tahir, Karthikeyan Rajagopal
2021	J	`jnl`	Chimera State in the Network of Fractional-Order FitzHugh-Nagumo Neurons. Complex. Janarthanan Ramadoss, Sajedeh Aghababaei, Fatemeh Parastesh, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2021	J	`jnl`	Connecting Curves as a Tool to Localize Hidden Attractors in a New Chaotic Hyperjerk System with No Equilibria. Int. J. Bifurc. Chaos Nafise Naseri, Sivabalan Ambigapathy, Mohadeseh Shafiei Kafraj, Farnaz Ghassemi, Karthikeyan Rajagopal, Sajad Jafari
2021	J	`jnl`	Dynamical Effects of Offset Terms on a Modified Chua's Oscillator and Its Circuit Implementation. Int. J. Bifurc. Chaos Léandre Kamdjeu Kengne, Karthikeyan Rajagopal, Nestor Tsafack, Paul Didier Kamdem Kuate, Balamurali Ramakrishnan, Jacques Kengne, Hilaire Bertrand Fotsin, Justin Roger Mboupda Pone
2021	J	`jnl`	Fractional-Order Analysis of Modified Chua's Circuit System with the Smooth Degree of 3 and Its Microcontroller-Based Implementation with Analog Circuit Design. Symmetry Junxia Wang, Li Xiao, Karthikeyan Rajagopal, Akif Akgul, Serdar Çiçek, Burak Aricioglu
2021	J	`jnl`	Limit Cycles of a Class of Perturbed Differential Systems via the First-Order Averaging Method. Complex. Amor Menaceur, Salah Mahmoud Boulaaras, Amar Makhlouf, Karthikeyan Rajagopal, Mohamed Abdalla
2021	J	`jnl`	Magnetic induction can control the effect of external electrical stimuli on the spiral wave. Appl. Math. Comput. Karthikeyan Rajagopal, Iqtadar Hussain, Zahra Rostami, Chunbiao Li, Viet-Thanh Pham, Sajad Jafari
2021	J	`jnl`	New hyperchaotic system with single nonlinearity, its electronic circuit and encryption design based on current conveyor. Turkish J. Electr. Eng. Comput. Sci. Anitha Karthikeyan, Serdar Çiçek, Karthikeyan Rajagopal, Prakash Duraisamy, Ashokkumar Srinivasan
2021	J	`jnl`	Predicting Tipping Points in Chaotic Maps with Period-Doubling Bifurcations. Complex. Changzhi Li, Dhanagopal Ramachandran, Karthikeyan Rajagopal, Sajad Jafari, Yongjian Liu
2021	J	`jnl`	Proposing and Dynamical Analysis of a Hyperjerk Piecewise Linear Chaotic System with Offset Boostable Variable and Hidden Attractors. Complex. M. D. Vijayakumar, Sajjad Shaukat Jamal, Ahmed M. Ali Ali, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain
2021	J	`jnl`	Stabilization and Synchronization of a Complex Hidden Attractor Chaotic System by Backstepping Technique. Entropy Jesús M. Muñoz-Pacheco, Christos K. Volos, Fernando E. Serrano, Sajad Jafari, Jacques Kengne, Karthikeyan Rajagopal
2021	J	`jnl`	Switching between Dissipative and Conservative Behaviors in a Modified Hyperchaotic System with the Variation of Its Parameter. Int. J. Bifurc. Chaos Jay Prakash Singh, Karthikeyan Rajagopal, Binoy Krishna Roy
2020	J	`jnl`	A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions. Complex. Chunsheng Feng, Cunyun Nie, Haiyuan Yu, Liping Zhou, Karthikeyan Rajagopal
2020	J	`jnl`	A Novel Simple 4-D Hyperchaotic System with a Saddle-Point Index-2 Equilibrium Point and Multistability: Design and FPGA-Based Applications. Circuits Syst. Signal Process. Pankaj Prakash, Karthikeyan Rajagopal, Ismail Koyuncu, Jay Prakash Singh, Murat Alcin, Binoy Krishna Roy, Murat Tuna
2020	J	`jnl`	An exponential jerk system, its fractional-order form with dynamical analysis and engineering application. Soft Comput. Karthikeyan Rajagopal, Akif Akgul, Sajad Jafari, Anitha Karthikeyan, Ünal Çavusoglu, Sezgin Kaçar
2020	J	`jnl`	Chaotic dynamics of a fractional order glucose-insulin regulatory system. Frontiers Inf. Technol. Electron. Eng. Karthikeyan Rajagopal, Atiyeh Bayani, Sajad Jafari, Anitha Karthikeyan, Iqtadar Hussain
2020	J	`jnl`	Dynamic Analysis and FPGA Implementation of fractional-order Model of a 5D homopolar disc dynamo. Mechatron. Syst. Control. Zhouchao Wei, Yingying Li, Karthikeyan Rajagopal
2020	J	`jnl`	Dynamic analysis, FPGA implementation, and cryptographic application of an autonomous 5D chaotic system with offset boosting. Frontiers Inf. Technol. Electron. Eng. Sifeu Takougang Kingni, Karthikeyan Rajagopal, Serdar Çiçek, Ashokkumar Srinivasan, Anitha Karthikeyan
2020	J	`jnl`	Existence of Metastable, Hyperchaos, Line of Equilibria and Self-Excited Attractors in a New Hyperjerk Oscillator. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Jay Prakash Singh, Anitha Karthikeyan, Binoy Krishna Roy
2020	J	`jnl`	Modification of the Logistic Map Using Fuzzy Numbers with Application to Pseudorandom Number Generation and Image Encryption. Entropy Lazaros Moysis, Christos K. Volos, Sajad Jafari, Jesús M. Muñoz-Pacheco, Jacques Kengne, Karthikeyan Rajagopal, Ioannis N. Stouboulos
2020	J	`jnl`	Network Dynamics of a Fractional-Order Phase-Locked Loop with Infinite Coexisting Attractors. Complex. Anitha Karthikeyan, Karthikeyan Rajagopal
2020	J	`jnl`	Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors II. Entropy Christos K. Volos, Sajad Jafari, Jesús M. Muñoz-Pacheco, Jacques Kengne, Karthikeyan Rajagopal
2019	J	`jnl`	A New Imprisoned Strange Attractor. Int. J. Bifurc. Chaos Fahimeh Nazarimehr, Viet-Thanh Pham, Karthikeyan Rajagopal, Fawaz E. Alsaadi, Tasawar Hayat, Sajad Jafari
2019	J	`jnl`	A Simple Chaotic System With Topologically Different Attractors. IEEE Access Karthikeyan Rajagopal, Akif Akgul, Irene M. Moroz, Zhouchao Wei, Sajad Jafari, Iqtadar Hussain
2019	J	`jnl`	An Exponential Jerk System: Circuit Realization, Fractional Order and Time Delayed Form with Dynamical Analysis and Its Engineering Application. J. Circuits Syst. Comput. Karthikeyan Rajagopal, Akif Akgul, Sajad Jafari, Anitha Karthikeyan, Ünal Çavusoglu, Sezgin Kaçar
2019	J	`jnl`	Analysis, Control and FPGA Implementation of a Fractional-Order Modified Shinriki Circuit. J. Circuits Syst. Comput. Karthikeyan Rajagopal, Fahimeh Nazarimehr, Laarem Guessas, Anitha Karthikeyan, Ashokkumar Srinivasan, Sajad Jafari
2019	J	`jnl`	Antimonotonicity, Bifurcation and Multistability in the Vallis Model for El Niño. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Sajad Jafari, Viet-Thanh Pham, Zhouchao Wei, Premraj Durairaj, Kathamuthu Thamilmaran, Anitha Karthikeyan
2019	J	`jnl`	Birth and death of spiral waves in a network of Hindmarsh-Rose neurons with exponential magnetic flux and excitable media. Appl. Math. Comput. Fatemeh Parastesh, Karthikeyan Rajagopal, Fawaz E. Alsaadi, Tasawar Hayat, Viet-Thanh Pham, Iqtadar Hussain
2019	J	`jnl`	CAMO: Self-Excited and Hidden Chaotic Flows. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Fahimeh Nazarimehr, Anitha Karthikeyan, Ashokkumar Srinivasan, Sajad Jafari
2019	J	`jnl`	Chaotic Dynamics of an Airfoil with Higher-Order Plunge and Pitch Stiffnesses in Incompressible Flow. Complex. Karthikeyan Rajagopal, Yesgat Admassu, Riessom Weldegiorgis, Prakash Duraisamy, Anitha Karthikeyan
2019	J	`jnl`	Cost function based on hidden Markov models for parameter estimation of chaotic systems. Soft Comput. Yasser Shekofteh, Sajad Jafari, Karthikeyan Rajagopal
2019	J	`jnl`	Dynamics of a neuron exposed to integer- and fractional-order discontinuous external magnetic flux. Frontiers Inf. Technol. Electron. Eng. Karthikeyan Rajagopal, Fahimeh Nazarimehr, Anitha Karthikeyan, Ahmed Alsaedi, Tasawar Hayat, Viet-Thanh Pham
2019	J	`jnl`	Fractional Order Simple Chaotic Oscillator with Saturable Reactors and Its Engineering Applications. Inf. Technol. Control. Karthikeyan Rajagopal, Sajad Jafari, Sezgin Kaçar, Anitha Karthikeyan, Akif Akgül
2019	J	`jnl`	Hyperchaos and Coexisting Attractors in a Modified van der Pol-Duffing Oscillator. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Abdul Jalil M. Khalaf, Zhouchao Wei, Viet-Thanh Pham, Ahmed Alsaedi, Tasawar Hayat
2019	J	`jnl`	Multistability and Coexisting Attractors in a New Circulant Chaotic System. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Akif Akgul, Viet-Thanh Pham, Fawaz E. Alsaadi, Fahimeh Nazarimehr, Fuad E. Alsaadi, Sajad Jafari
2019	J	`jnl`	Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors. Entropy Christos K. Volos, Sajad Jafari, Jacques Kengne, Jesús M. Muñoz-Pacheco, Karthikeyan Rajagopal
2019	J	`jnl`	Parameter Identification of Chaotic Systems Using a Modified Cost Function Including Static and Dynamic Information of Attractors in the State Space. Circuits Syst. Signal Process. Yasser Shekofteh, Sajad Jafari, Karthikeyan Rajagopal, Viet-Thanh Pham
2019	J	`jnl`	Simplest Megastable Chaotic Oscillator. Int. J. Bifurc. Chaos Sajad Jafari, Karthikeyan Rajagopal, Tasawar Hayat, Ahmed Alsaedi, Viet-Thanh Pham
2018	J	`jnl`	A New Fractional-Order Chaotic System with Different Families of Hidden and Self-Excited Attractors. Entropy Jesús M. Muñoz-Pacheco, Ernesto Zambrano-Serrano, Christos K. Volos, Sajad Jafari, Jacques Kengne, Karthikeyan Rajagopal
2018	J	`jnl`	A Novel Approach to Numerical Modeling of Metabolic System: Investigation of Chaotic Behavior in Diabetes Mellitus. Complex. Payam Sadeghi Shabestari, Karthikeyan Rajagopal, Bahareh Safarbali, Sajad Jafari, Prakash Duraisamy
2018	J	`jnl`	A new hyperchaotic temperature fluctuations model, its circuit simulation, FPGA implementation and an application to image encryption. Int. J. Simul. Process. Model. Sundarapandian Vaidyanathan, Ahmad Taher Azar, Karthikeyan Rajagopal, Aceng Sambas, Sezgin Kaçar, Ünal Çavusoglu
2018	J	`jnl`	Bifurcation and Chaos in Integer and Fractional Order Two-Degree-of-Freedom Shape Memory Alloy Oscillators. Complex. Karthikeyan Rajagopal, Anitha Karthikeyan, Prakash Duraisamy, Riessom Weldegiorgis
2018	J	`jnl`	Hidden Attractor in a Passive Motion Model of Compass-Gait Robot. Int. J. Bifurc. Chaos Mahdi Nourian Zavareh, Fahimeh Nazarimehr, Karthikeyan Rajagopal, Sajad Jafari
2018	J	`jnl`	Hyperchaotic Memcapacitor Oscillator with Infinite Equilibria and Coexisting Attractors. Circuits Syst. Signal Process. Karthikeyan Rajagopal, Sajad Jafari, Anitha Karthikeyan, Ashokkumar Srinivasan, Biniyam Ayele
2018	J	`jnl`	Megastability, Multistability in a Periodically Forced Conservative and Dissipative System with Signum Nonlinearity. Int. J. Bifurc. Chaos Pankaj Prakash, Karthikeyan Rajagopal, Jay Prakash Singh, Binoy Krishna Roy
2018	J	`jnl`	No Chattering and Adaptive Sliding Mode Control of a Fractional-Order Phase Converter with Disturbances and Parameter Uncertainties. Complex. Karthikeyan Rajagopal, Riessom Weldegiorgis, Anitha Karthikeyan, Prakash Duraisamy, Goitom Tadesse
2018	J	`jnl`	Some New Dissipative Chaotic Systems with Cyclic Symmetry. Int. J. Bifurc. Chaos Karthikeyan Rajagopal, Shirin Panahi, Anitha Karthikeyan, Ahmed Alsaedi, Viet-Thanh Pham, Tasawar Hayat
2017	J	`jnl`	Chaos Control in Fractional Order Smart Grid with Adaptive Sliding Mode Control and Genetically Optimized PID Control and Its FPGA Implementation. Complex. Anitha Karthikeyan, Karthikeyan Rajagopal
2017	J	`jnl`	Fractional Order Memristor No Equilibrium Chaotic System with Its Adaptive Sliding Mode Synchronization and Genetically Optimized Fractional Order PID Synchronization. Complex. Karthikeyan Rajagopal, Laarem Guessas, Anitha Karthikeyan, Ashokkumar Srinivasan, Girma Adam
2017	J	`jnl`	Hyperchaotic Chameleon: Fractional Order FPGA Implementation. Complex. Karthikeyan Rajagopal, Anitha Karthikeyan, Prakash Duraisamy
2017	J	`jnl`	LabVIEW implementation of chaotic masking with adaptively synchronised forced Van der Pol oscillators and its application in real-time image encryption. Int. J. Simul. Process. Model. Sundarapandian Vaidyanathan, Karthikeyan Rajagopal
2017	J	`jnl`	Neural Network-Based Solutions for Stochastic Optimal Control Using Path Integrals. IEEE Trans. Neural Networks Learn. Syst. Karthikeyan Rajagopal, Sivasubramanya Nadar Balakrishnan, Jerome R. Busemeyer
2016	C	`conf`	Intelligent switching between multiple model-based adaptive controllers using data-driven control theory. ACC Karthikeyan Rajagopal, Sivasubramanya Nadar Balakrishnan
2016	C	`conf`	Optimal controller design for control-affine stochastic systems using neural networks and path integrals. ACC Karthikeyan Rajagopal, Sivasubramanya Nadar Balakrishnan, Jerome R. Busemeyer
2015	J	`jnl`	Design and SPICE implementation of a 12-term novel hyperchaotic system and its synchronisation via active control. Int. J. Model. Identif. Control. Sundarapandian Vaidyanathan, Ahmad Taher Azar, Karthikeyan Rajagopal, Prasina Alexander