Dr. Partha Sharathi Dutta

Associate Professor
Department of Mathematics

parthasharathi[at]iitrpr.ac.in
Phone No.: 24-2237
Room No. 316

Biography

Dr. Partha Sharathi Dutta obtained his doctoral degree from the Indian Institute of Technology, Kharagpur. He carried out post-doctoral studies at Mathematics Research Institute, University of Exeter, United Kingdom (2010) and at Complex Systems Research Group, ICBM, University of Oldenburg, Germany (2011-2013) as Alexander von Humboldt (AvH) fellow. Presently, he is an Associate Professor in the Department of Mathematics at IIT Ropar.

Areas of Research

Nonlinear Dynamics
Mathematical Biology
Theoretical Ecology

Education

Ph.D, Indian Institute of Technology, Kharagpur, 2009
M.Sc., University of Burdwan, India, 2002

Work Experience

Associate Professor, Indian Institute of Technology, Ropar, Apr. 2018 - Till date
Assistant Professor, Indian Institute of Technology, Ropar, Feb. 2013 - Mar. 2018
Visiting Fellow, Princeton University, NJ, USA, May - Jul. 2017
Alexander von Humboldt Fellow, University of Oldenburg, Germany, Feb. 2011 - Jan. 2013
Associate Research Fellow, University of Exeter, United Kingdom, Jun. - Oct. 2010
Guest Researcher, University of Stuttgart, Germany, Oct. - Nov. 2009

Selected Publications/Patents

28. R. Arumugam, S. Sarkar, T. Banerjee, S. Sinha and P. S. Dutta, Dynamic environment induced multistability and critical transition in a metacommunity ecosystem, Physical Review E, APS, Vol. 99 (3), 032216 (12), 2019. DOI: 10.1103/PhysRevE.99.032216
27. R. Arumugam and P. S. Dutta*, Synchronization and entrainment of metapopulations: A trade-off among time-induced heterogeneity, dispersal and seasonal force, Physical Review E, APS, Vol. 97 (6), 062217 (11), 2018. DOI: 10.1103/PhysRevE.97.062217
26. P. S. Dutta*, Y. Sharma, K. C. Abbott, Robustness of early warning signals for catastrophic and non-catastrophic transitions, OIKOS, Wiley, Vol. 127 (9), pp. 1251-1263, 2018. DOI: 10.1111/oik.05172
25. S. Sarker,⁠ U. Feudel, C. L. Meunier, P. Lemke, P. S. Dutta and K. H. Wiltshire, To share or not to share? Phytoplankton species coexistence puzzle in a competition model incorporating multiple resource-limitation and synthesizing unit concepts, Ecological Modelling, Elsevier, Vol. 383, pp. 150-159, 2018. DOI: 10.1016/j.ecolmodel.2018.05.021
24. Anubhav Gupta, Tanmoy Banerjee and Partha S. Dutta*, Increased persistence via asynchrony in oscillating ecological populations with long-range interaction, Physical Review E, APS, Vol. 96 (4), 042202 (10), 2017. DOI: 10.1103/PhysRevE.96.042202
23. Y. Sharma and P. S. Dutta*, Regime shifts driven by dynamic correlations in gene expression noise, Physical Review E, APS, Vol. 96 (2), 022409 (11), 2017. DOI: 10.1103/PhysRevE.96.022409
22. Ramesh A., T. Banerjee and P. S. Dutta*, Rhythmogenesis, Birhythmicity and Chaos in a Metapopulation Model, The European Physical Journal-Special Topics (EPJ-ST), Springer, Vol. 226, pp. 2145–2156, 2017. DOI: 10.1140/epjst/e2017-70017-5
21. P. S. Dutta*, B. W. Kooi and U. Feudel, The impact of a predator on the outcome of competition in the three-trophic food web, Journal of Theoretical Biology, Elsevier, Vol. 417, pp. 28-42, 2017. DOI: 10.1016/j.jtbi.2017.01.020
20. Ramesh A., T. Banerjee and P. S. Dutta*, Generation and cessation of oscillations: Interplay of excitability and dispersal in a class of ecosystems, CHAOS, AIP, Vol. 26, 123122-10, 2016. DOI: 10.1063/1.4972561
19. E. A. Gopalakrishnan, Y. Sharma, T. John, P. S. Dutta and R. I. Sujith, Early warning signals for critical transitions in a thermoacoustic system, Scientific Reports (Nature), 35310, 2016. DOI: 10.1038/srep35310
18. T. Banerjee, P. S. Dutta, A. Zakharova, and E. Schöll, Chimera patterns induced by distance-dependent power-law coupling in ecological networks, Physical Review E, APS, Vol. 94, 032206, 2016. DOI: 10.1103/PhysRevE.94.032206
17. R. Arumugam, P. S. Dutta* and T. Banerjee, Environmental coupling in ecosystems: From oscillation quenching to rhythmogenesis, Physical Review E, APS, Vol. 94, 022206, 2016.  DOI: 10.1103/PhysRevE.94.022206
16. Y. Sharma, P. S. Dutta* and A. K. Gupta, Anticipating regime shifts in gene expression: The case of an autoactivating positive feedback loop, Physical Review E, APS, Vol. 93, 032404, 2016.  DOI: 10.1103/PhysRevE.93.032404
15. S. Chakraborty, Ramesh A. and P. S. Dutta*, Toxic Phytoplankton as a Keystone Species in Aquatic Ecosystems: Stable Coexistence to Biodiversity, OIKOS, Wiley, Vol. 125, pp. 735-746, 2016. DOI: 10.1111/oik.02322
14. P. S. Dutta and T. Banerjee, Spatial coexistence of synchronized oscillation and death: A chimeralike state, Physical Review E, APS, Vol. 92, 042919, 2015.  DOI: 10.1103/PhysRevE.92.042919
13. Ramesh A., P. S. Dutta* and T. Banerjee, Dispersal-induced Synchrony, Temporal Stability and Clustering in a Mean-field Coupled Rosenzweig--MacArthur Model, CHAOS, AIP, Vol. 25, 103121-11, 2015.  DOI: 10.1063/1.4933300
12. Tanmoy Banerjee, Partha S. Dutta* and Anubhav Gupta, Mean-field dispersion induced spatial synchrony, oscillation and amplitude death, and temporal stability in an ecological model, Physical Review E, APS, Vol. 91, 052919-13, 2015.  DOI: 10.1103/PhysRevE.91.052919
11. Y. Sharma, K. C. Abbott, P. S. Dutta* and A. K. Gupta, Stochasticity and bistability in insect outbreak dynamics, Theoretical Ecology, Springer, Vol. 8, pp. 163-174, 2015.  DOI: 10.1007/s12080-014-0241-9 (F1000 Prime Recommended)
10. P. S. Dutta*, B. W. Kooi and U. Feudel, Multiple Resource Limitation: Non-equilibrium Coexistence of Species in a Competition Model using a Synthesizing Unit, Theoretical Ecology, Springer, Vol. 7, pp. 407-421, 2014. DOI: 10.1007/s12080-014-0228-6
9. N. Blackbeard, S. Wieczorek, H. Erzgraber and P. S. Dutta, From Synchronisation to Persistent Optical Turbulence in Laser Arrays, Physica D, Elsevier, Vol. 286-287, pp. 43-58, 2014. DOI: 10.1016/j.physd.2014.07.007
8. B. W. Kooi, P. S. Dutta and U. Feudel, Resource Competition: A Bifurcation Theory Approach, Mathematical Modelling of Natural Phenomena, Cambridge University Press, Vol. 8, Issue 6, pp. 165-185, 2013. DOI: 10.1051/mmnp/20138611
7. S. De, P. S. Dutta* and S. Banerjee, Torus Destruction in a Nonsmooth Noninvertible Map, Physics Letters A, Elsevier, Vol. 376, Issue 4, pp. 400–406, 2012. DOI:10.1016/j.physleta.2011.11.017
6. S. De, P. S. Dutta*, S. Banerjee and A. R. Roy, Local and Global Bifurcations in Three-Dimensional, Continuous, Piecewise Smooth Maps, International Journal of Bifurcation and Chaos, World Scientific, Vol. 21, No. 6, pp. 1617-1636, 2011. DOI: 10.1142/S0218127411029318
5. P. S. Dutta* and S. Banerjee, Period Increment Cascades in a Discontinuous Map with Square-root Singularity, Discrete and Continuous Dynamical Systems–Series B, American Institute of Mathematical Sciences, Vol. 14, No. 3, pp. 961-976, 2010. DOI: 10.3934/dcdsb.2010.14.961
4. V. Avrutin, P. S. Dutta*, M. Schanz and S. Banerjee, Influence of a Square-root Singularity on the Behaviour of Piecewise Smooth Maps, Nonlinearity, IOP Publishing Ltd and London Mathematical Society, Vol. 23, No. 2, pp. 445-463, 2010. DOI: 10.1088/0951-7715/23/2/012
3. P. S. Dutta, S. De, S. Banerjee and A. R. Roy, Torus Destruction via Global Bifurcations in a Piecewise-smooth, Continuous Map with Square-root Nonlinearity, Physics Letters A, Elsevier, Vol. 373, Issue 48, pp. 4426–4433, 2009. DOI: 10.1016/j.physleta.2009.09.073
2. P. S. Dutta, B. Routroy, S. Banerjee and S. S. Alam, On the Existence of Low-period Orbits in n-dimensional Piecewise Linear Discontinuous Maps, Nonlinear Dynamics, Springer, Vol. 53, No. 4, pp. 369–380, 2008. DOI: 10.1007/s11071-007-9318-y
1. S. K. Roychoudhuri and P. S. Dutta*, Thermo-elastic interaction without energy dissipation in an infinite solid with distributed periodically varying heat sources, International Journal of Solids and Structures, Elsevier, Vol. 42, No. 14, pp. 4192–4203, 2005. DOI: 10.1016/j.ijsolstr.2004.12.013