Amit Apte: Vita (February 28, 2021) Page 1 of 12 (Go to Page1)
Total Page:16
File Type:pdf, Size:1020Kb
Amit Apte: Vita (February 28, 2021) page 1 of 12 (go to page1) Amit Apte International Centre for Theoretical Sciences, Tata Institute of Fundamental Research Survey No. 151, Shivakote, Hesaraghatta Hobli, Bengaluru North 560089 India Office: +91 80 4653 6230; Email: [email protected]; Web: https://www.icts.res.in/people/amit-apte ORCID: 0000-0002-3632-7553; Google scholar: 2x7ZjrIAAAAJ; Mathscinet: 716018 Education • The University of Texas at Austin, Texas, USA; Ph.D., Physics, May 2004 Dissertation: \Numerical studies of the standard nontwist map and a renormalization group framework for breakup of invariant tori"; Supervisor: Philip J. Morrison • Indian Institute of Technology, Kanpur, India; M.Sc., Physics, May 1996 Employment • International Centre for Theoretical Sciences, Tata Institute of Fundamental Research, Ban- galore, India: Associate professor, Jan 2016 - present; Reader, Aug 2013 - Dec 2015 • Center for Applicable Mathematics, Tata Institute of Fundamental Research, Bangalore, India: Reader, Aug 2011 - Jul 2013, Fellow, Jul 2007 - Jul 2011 • Mathematical Sciences Research Institute (MSRI), Berkeley CA, USA: Postdoctoral fellow, Jan - May 2007 • Department of Mathematics, University of North Carolina, Chapel Hill NC, USA: Postdoc- toral researcher, Aug - Dec 2006 • Statistical and Applied Mathematical Sciences Institute (SAMSI), Durham NC, USA: Post- doctoral fellow, Jan 2005 - Aug 2006 • University of Texas, Austin TX, USA: Teaching, Research assistant, Aug 1996 - May 2004 Research interests Applied mathematics: Data assimilation; Monsoon modelling; Particle and Kalman filtering; Dynamical systems; Hamiltonian systems; Renormalization group and transition to chaos; Publications: Refereed - journal and conference (5 significant ones in bold) Recent (since Jan 2016) 30. S. Ganapa, A. Apte, A. Dhar, \Thermalization of local observables in the α-FPUT chain," Journal of Statistical Physics v.180, pp.1010{1030 (2020) doi:10.1007/s10955-020-02576-2 29. A.S. Reddy, A. Apte, S. Vadlamani, \Asymptotic Properties of linear filter for deterministic processes," Systems & Control Letters v.139, pp.104676 (2020) doi:10.1016/j.sysconle.2020. 104676 28. A. Mitra, A. Apte, R. Govindarajan, V. Vasan, S. Vadlamani, \Spatio-temporal patterns of daily Indian summer monsoon rainfall," Dynamics and Statistics of the Climate System v.3, dzy010 (2018) doi:10.1093/climsys/dzy010 27. A. Mitra, A. Apte, R. Govindarajan, V. Vasan, S. Vadlamani, \A discrete view of the Indian monsoon to identify spatial patterns of rainfall," Dynamics and Statistics of the Climate System v.3, dzy009 (2018) doi:10.1093/climsys/dzy009 Amit Apte: Vita (February 28, 2021) page 2 of 12 (go to page1) 26. A. Apte, D. Auroux, M. Ramaswamy, \Observers for compressible Navier-Stokes equa- tion," SIAM Journal on Control and Optimization v.56, pp.1081-1104 (2018) doi:10.1137/ 16M1060601 25. A. Mitra, A. Apte, R. Govindarajan, V. Vasan, S. Vadlamani, \Tracking the propagation of planetary scale cloud zones over Indian ocean and south Asia with Markov random fields,” in V. Lyubchich, N.C. Oza, A. Rhines, and E. Szekely (editors), Proceedings of the 7th International Workshop on Climate Informatics: CI 2017, pp.9-12 (2017) doi:10.5065/ D6222SH7 24. A. Mitra, A. Apte, R. Govindarajan, V. Vasan, S. Vadlamani, \Finding active and break spells of Indian monsoon by Markov random fields,” in V. Lyubchich, N.C. Oza, A. Rhines, and E. Szekely (editors), Proceedings of the 7th International Workshop on Climate Infor- matics: CI 2017, pp.5-8 (2017) doi:10.5065/D6222SH7 23. M. Ray, A. Amodkar, A. Apte, \Data assimilation with Chua's circuit," Indian Academy of Sciences Conference Series v.1, pp.25-34 (2017) webpage 22. K.S. Gurumoorthy, C. Grudzien, A. Apte, A. Carrassi, C.K.R.T. Jones, \Rank deficiency of Kalman error covariance matrices in linear time-varying system with deterministic evo- lution," SIAM Journal on Control and Optimization v.55, pp.741-759 (2017) doi:10.1137/ 15M1025839 21. M. Bocquet, K.S. Gurumoorthy, A. Apte, A. Carrassi, C. Grudzien, C.K.R.T. Jones, \Degenerate Kalman filter error covariances and their convergence onto the unstable subspace," SIAM/ASA Journal on Uncertainty Quantification v.5, pp.304-333 (2017) doi:10.1137/16M1068712 Bygone (before Jan 2016) 20. L.C. Slivinski, E.T. Spiller, A. Apte, \A hybrid particle-ensemble Kalman filter for high- dimensional Lagrangian data assimilation," in S. Ravela, A. Sandu (editors), Dynamic Data- Driven Environmental Systems Science DyDESS 2014, Lecture Notes in Computer Science v.8964, pp 263{273 (2015) doi:10.1007/978-3-319-25138-7 24 19. A. Apte, \An introduction to data assimilation," in S. Sarkar, U. Basu, S. De (editors), Applied Mathematics, Springer Proceedings in Mathematics & Statistics v.146, pp.31{42 (2015) doi:10.1007/978-81-322-2547-8 4 18. L. Slivinski, E.T. Spiller, A. Apte, and B. Sandstede, \A hybrid particle-ensemble Kalman filter for Lagrangian data assimilation," Monthly Weather Review v.143, pp.195{211 (2015) doi:10.1175/MWR-D-14-00051.1 17. E.T. Spiller, A. Apte, C.K.R.T. Jones, \Assimilating en-route Lagrangian observations," Tellus A: Dynamic Meteorology and Oceanography v.65, pp.20319 (2013) doi:10.3402/ tellusa.v65i0.20319 16. A. Apte, C.K.R.T. Jones, \The impact of nonlinearity in Lagrangian data as- similation," Nonlinear Processes in Geophysics v.20, pp.329{341 (2013) doi: 10.5194/npg-20-329-2013 15. Md. Nurujjaman, A. Apte, P. Vinayachandran, \Data assimilation using ensemble transform Kalman filter (ETKF) in ROMS model for Indian Ocean," European Physical Journal Special Topics v.222, pp.875-883 (2013) doi:10.1140/epjst/e2013-01890-3 Amit Apte: Vita (February 28, 2021) page 3 of 12 (go to page1) 14. Md. Nurujjaman, S. Shivamurthy, A. Apte, T. Singla, P. Parmananda, “Effect of discrete time observations on synchronization in Chua model and applications to data assimilation," Chaos v.22, pp.023125 (2012) doi:10.1063/1.4712591 13. A. Apte, \Renormalization group operators for maps and universal scaling of universal scaling exponents," Physica D: Nonlinear Phenomena v.240, pp.317-322 (2010) doi:10.1016/ j.physd.2010.09.005 12. A. Apte, D. Auroux, M. Ramaswamy, \Variational data assimilation for discrete Burgers equation," Electronic Journal of Differential Equations, Conference v.19, pp.15-30 (2010) webpage 11. A. Apte, C.K.R.T. Jones, A. M. Stuart, J. Voss, \Data assimilation: mathe- matical and statistical perspectives," Int. J. Numer. Methods in Fluids v.56, pp.1033-1046 (2008) doi:10.1002/fld.1698 10. A. Apte, C.K.R.T. Jones, A. M. Stuart, \A Bayesian approach to Lagrangian data as- similation," Tellus A: Dynamic Meteorology and Oceanography v.60, pp.336-347 (2008) doi:10.1111/j.1600-0870.2007.00295.x 9. T.B. Krause, A. Apte, P.J. Morrison, \A unified approach to the Darwin approxima- tion,"Physics of Plasmas v.14, pp.102112 (2007) doi:10.1063/1.2799346 8. A. Apte, M. Hairer, A. M. Stuart, J. Voss, \Sampling the posterior an approach to non-Gaussian data assimilation," Physica D: Nonlinear Phenomena v.230, pp.50-64 (2007) doi:10.1016/j.physd.2006.06.009 7. K. Fuchss, A. Wurm, A. Apte, P.J. Morrison, \Breakup of shearless meanders and `outer' tori in the standard nontwist map," Chaos v.16, pp.033120 (2006) doi:10.1063/1.2338026 6. A. Apte, R. de la Llave, E. Petrisor, \Comment on `Reconnection scenarios . ,' Chaos Solitons and Fractals 2002;10(1):117-127," Chaos, Solitons & Fractals v.27, pp.1115-1116 (2006) doi:10.1016/j.chaos.2004.12.018 5. A. Wurm, A. Apte, K. Fuchss, P.J. Morrison, \Meanders and reconnection-collision se- quences in the standard nontwist map," Chaos v.15, pp.023108 (2005) doi:10.1063/1.1915960 4. A. Apte, R. de la Llave, N.P. Petrov, \Regularity of critical invariant circles of the standard nontwist map," Nonlinearity v.18, pp.1173-1187 (2005) doi:10.1088/0951-7715/18/3/013 3. A. Apte, A. Wurm, P.J. Morrison, \Renormalization for breakup of invariant tori," Physica D: Nonlinear Phenomena v.200, pp.47-59 (2005) doi:10.1016/j.physd.2004.09.010 2. A. Wurm, A. Apte, P.J. Morrison, \On reconnection phenomena in the standard nontwist map," Brazilian Journal of Physics v.34, pp.1700-1706 (2004) doi:10.1590/S0103-97332004000800035 1. A. Apte, A. Wurm, P.J. Morrison, \Renormalization and destruction of 1/γ2 tori in the standard nontwist map," Chaos v.13, pp.421-433 (2003) doi:10.1063/1.1555472 Publications: Submitted, in preparation 2. A.S. Reddy, A. Apte, \Stability of non-linear filter for deterministic dynamics," arxiv:1910. 14348 1. A. Ghosh, S. Bhattacharyya, S. Sinha, A. Apte, \Parameter estimation in models with complex dynamics," arxiv:1705.03868 Publications: Non-refereed, proceedings, reports 5. Hans Engler, Amit Apte, Pedro Leite Da Silva Dias, Maria J. Esteban, Ed- ward Lungu, Claudia Sagastiz´abal,\Mathematicians and planetary challenges," Amit Apte: Vita (February 28, 2021) page 4 of 12 (go to page1) in Proceedings of the International Congress of Mathematicians (ICM 2018), pp.1111-1123 (2019) doi:10.1142/9789813272880 0039 4. Mathematics of planet earth 2013: \An interactive exhibition: mathematics for the billion" - ICTS website and Exhibition booklet 3. A. Apte, Ravi Nanjundiah, Vijay Chandru, Roddam Narasimha, Spenta Wadia, \Report of the ICTS program `Scientific discovery through intensive exploration of data'," Submitted to the Scientific Advisory Committee to the Prime Minister of India, Apr 2011, and a shortened version to Current Science; http://sactopm.gov.in/SAC PM AR2011.pdf or link to archived version pp.91-98 2. A. Apte, C.K.R.T. Jones, A. M. Stuart, \A Bayesian approach to Lagrangian data assim- ilation: Langevin sampling and model error," Proceedings of the International Conference on Recent Developments in Nonlinear Systems and Dynamics, Bharathidasan University, Tiruchirapalli, India, Feb 2008 1.