Dr G Ambika Recent
Research publications
 Detecting abnormality in heart dynamics from multifractal analysis of ECG signals, Snehal M. Shekatkar, Yamini Kotriwar, K.P. Harikrishnan and G. Ambika, Scientific Reports 7: 15127(2017) DOI:10.1038/s4159801715498z, Link
 Mechanisms for tuning clustering and degreecorrelations in directed networks, G. Kashyap and G Ambika, Journal of Complex Networks(2017)0000, 121, doi: 10.1093/comnet/cnx057
 Recurrence network measures for hypothesis testing using surrogate data: application to black hole light curves, Rinku Jacob, K. P. Harikrishnan, R. Misra and G. Ambika , Commun Nonlinear Sci Numer Simulat (2018) 54, 8499, doi.org/10.1016/j.cnsns.2017.05.018
 Is a hyperchaotic attractor superposition of two multifractals,K. P. Harikrishnan, R. Misra and G. Ambika, Chaos Solitons and Fractals103, 450459(2017) Link
 Detecting dynamical states from noisy time series using bicoherence, Sandip V. George, G. Ambika and R. Misra,  Nonlinear Dyn (2017)DOI 10.1007/s1107101734656
 Measure for degree heterogeneity in complex networks and its application to recurrence network analysis, Rinku Jacob, K. P. Harikrishnan, R. Misra and G. Ambika , R. Soc. open sci. 4: 160757(2017)  Link
 Cross over of recurrence networks to random graphs and random geometric graphs,Rinku Jacob, K. P. Harikrishnan, R. Misra and G. Ambika Pramana J. Phys. 88: 37(2017) DOI 10.1007/s120430161339y
 Can recurrence networks show smallworldproperty?,Rinku Jacob, K. P. Harikrishnan, R. Misra and G. Ambika  PhysLett A 380, 27182723(2016)doi:10.1016/j.physleta.2016.06.038
 Suppression of dynamics and frequency synchronizationin coupled slow and fast dynamical systems,Kajari Gupta and G. Ambika EurPhy J B89(6), 18( 2016) DOI: 10.1140/epjb/e2016700688
 Characterization of chaotic attractors under noise: A recurrence network perspective,Rinku Jacob, K. P. Harikrishnan, R. Misra and G. AmbikaCommun Nonlinear SciNumerSimulat, 41, 3247(2016)
 Uniform framework for the recurrencenetwork analysis of chaotic time series, Rinku Jacob, K. P. Harikrishnan, R. Misra and G. AmbikaPhy Rev E 93, 012202 (2016)
 Effect of data gaps on correlation dimension computed from light curves of variable stars, Sandip V. George, G. Ambika and R. Misra
Astrophys Space Sci , 360:5 ( 2015)
 A random interacting network model for complex networks, Bedartha Goswami, Snehal M. Shekatkar, Aljoscha Rheinwalt, G. Ambika and Juergen Kurths Scientific Reports , 5:18183,(2015)
 Divisibility patterns of natural numbers on a complex network, Snehal M. Shekatkar, Chandrasheel Bhagwat and G. Ambika Scientific Reports , 5:14280 ,(2015)
 Complex networks with scalefree nature and hierarchical modularity, Snehal M. Shekatkar and G. Ambika Eur. Phys. J. B. , 88 ,(2015)
 G. AmbikaEd Lorenz: Father of the 'Butterfly Effect' Resonance, 198, March (2015)
 Novel coupling scheme to control dynamics of coupled discrete systems , Snehal M Shekatkar & G. Ambika  Commun Nonlinear Sci Numer Simulat 25, 5065 (2015) audio slides
 Dynamical behaviours in timedelay systems with delayed feedback and digitized
coupling , Chiranjit Mitra, G. Ambika and Soumitro Banerjee Chaos, Solitons
and Fractals, 69, 188200 (2014) ) audio slides
 Virus Antibody dynamics in primary and secondary Dengue infection, Tanvi P
Gujarati and G. Ambika Journal of Mathematical Biology, 69, 17731800(2014)
 Characterising chaoshyperchaos transition using correlation dimension K P Harikrishnan, G Ambika and R Mishra The European Physical Journal, Special Topics, 222, 839846 (2013)

Can the multifractal spectrum be used as a diagnostic tool. K P Harikrishnan, R Mishra, G Ambika, Chaotic Modelling and Simulation (CMSIM)(2013)

On the transition to hyperchaos and the structure of hyperchaotic attractors K.P.Harikrishnan, R. Misra and G.Ambika European Physical Journal B, 86, 394 (2013)
 Revisiting the box counting algorithm
for the correlation dimension analysis of hyper chaotic time series K P
Harikrishnan, R Mishra, G Ambika Communications in Nonlinear Science & Numerical
Simulation, 17,263(2012)
 Amplitude
death in complex networks induced by environment V
Resmi, G Ambika , R E Amritkar and G
Rangarajan Phys Rev E 85, 046211(2012)
 Evolving
networks with bimodal degree distribution, Abhijeet R. Sonawane, A.
Bhattacharyay, M. S. Santhanam and G.
Ambika European Physical Journal B, 85,118 (2012)
 On
interrelations between recurrences and connectivity trends between stock
indices B Goswami, G Ambika, N
Marwan and J Kurths Physica A, 2012
 Nonlinear
time series analysis of the light curves from the black hole system GRS
1915+105 K P Harikrishnan, R Mishra, G
Ambika Research in Astronomy & Astrophysics 11, 7190(2011)
 Synchronizing time delay systems using
variable delay in coupling G Ambika
and R E Amritkar Chaos, Solitons & Fractals, 44,1035, 2011
 General Mechanism for amplitude death in
coupled systems V Resmi, G Ambika and
R E Amritkar Phys Rev E 84, 046212 (2011)
 Delay
or anticipatory synchronization in one way coupled systems using variable delay
with reset G Ambika & R E
Amritkar Pramana( J Phys) 77, 114,
2011
 Parametric
characterisation of a chaotic attractor using two scale Cantor measure K
P Harikrishnan, R Misra, G Ambika, R
E Amritkar –Physica D239, 420427, (2010)
 Synchronized
states in chaotic systems coupled
indirectly through a dynamic environment V Resmi, G Ambika; R E Amritkar Phys Rev E 81,046216 (2010)
 Efficient
use of Correlation entropy for analysing time series data K P Harikrishnan, R
Misra & G Ambika Pramana(J
Phys) 72,325 (2009)
 Antiphase
Synchronization in Environmentally coupled Rossler Oscillators  G.Ambika,
Sheekha Verma  arXiv:0812.3753v1
[nlin.CD](2009)
 Combined
use of correlation dimension and entropy as discriminating measures for time
series analysis K P Harikrishnan, R Misra & G AmbikaCommunications in Nonlinear
Science & Numerical Simulation14, 36083614 (2009)
 Anticipatory
synchronization with variable time delay and reset G Ambika & R E AmritkarPhys. Rev E 79, 056206(2009)
 Computing
the Multifractal spectrum from time series: An algorithmic approach K P
Harikrishnan, R Mishra, G Ambika
& R E Amritkar CHAOS 19, 043129(2009)
Full List of publications
