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Joint Math Morsels JMM2017,.                            S.G.Krantz70, St. Louis      2023                        JMM2023,                          

Conway March 2022 Lecture ,                   GIAN Lectures 2022 ,                                C.R.  Rao 2022                        

      ICABM2022                  ICRDET-2022               National Statistics Day2022                    CSIR-NCERT2021    

                 Elsevier2020                             C. R. Rao 2020              ICIAM M.S. Univ Baroda2020               

      ALAPS2020                   Virtual Tourism                     Flu Vs COVID-19       ModernAlgorithms                        

                 Sci. and Org. Com. for the SMB2015             


2022-GIAN Lecture Series Foreign Expert by MHRD, Government of India (Maharshi Dayanand University, Rohtak)

2022-Invited Talk at “John Conway Lecture Series

2022—Invited Talk– National Science Day Event, FRACTAL2022, Motilal Nehru College, Delhi, India


December 15, 2021: Inaugural Lecture, RISTA, BHU


December 13, 2021: Invited Talk CRAMS2021


October 2021: ATAL Invited Talk


September 2021: Invited Talk, NCERT, PRABHASS


July 2021: Invited Talk Maths@ Texas A & M


March 18, 2021, Invited Speaker, Plenary Session 2, Estimation and Projection of Pandemic, Title: COVID-19 Identification through Mobile Apps and Artificial Intelligence, International Seminar 2021 on Pandemic and Population Dynamics 18th-20th March, 2021, Organized by IIPS, Mumbai, 2021.


February 2021: Washington University Seattle

February 9, 2021, Panel Discussion, Virtual International Workshop 2021, NIT Uttarakhand, India.


December 22-24, 2020, Chair, Invited session of IISF2020, Session 3: Tools, Technologies and Programmes for Better Employability and Education, IISF-GIST2020, organized by CSIR/PRABHASS, India.


December 17-18, 2020, Invited Speaker, International Conference on Applied Linear Algebra, Probability and Statistics (In honor of Professor C.R. Rao’s Birth Centenary), CARAMS, MAHE, Manipal University, Karnataka, India.  


September 11, 2020, DPHS Seminar Speaker, Title: Rao Distance, Conformal Mapping and their applications.


August 13, 2020, Invited Speaker, Webinar on Understanding Covid19 progression/modelling through Data Science, Departments of Statistics, St. Xavier’s College, Kolkata, India.


August 7, 2020, Plenary Speaker, Webinar on Mathematical Modeling in the era of AI, Morocco.


August 1, 2020, Invited Panelist, Battling COVID-19 Epidemics and Mitigating Strategies via Mathematical Models – Panel Discussion, Center for Collaborative Studies in Mathematical Biology Intercollegiate Biomathematics Alliance


July 11, Invited Web-Seminar Talk, International Web-Seminar on Statistical Modeling and Population Science On the occasion of World Population Day 11th July, Organized by Banaras Hindu University, Varanasi, India.


July 9, 2020. Invited Mini-Symposium Talk organized by Elsevier Mathematical Modeling of COVID-19. Talk title: Mathematical Models, Data and Pandemic Response.


July 7, 2020. Invited Webinar Talk by Prasanta Chandra Mahalanobis Mahavidalaya, Kolkata, India. Talk title: Mathematical Models and Wavelets in COVID-19.


June 27, 2020. Invited Webinar Talk. Talk title: Artificial Intelligence models and mathematical analysis for the identification and spread of COVID-19, IIPHG/PHFI Gandhinagar COVID-19 Modeling Webinar Series


June 17-18, 2020. Invited Webinar Talk MS University Baroda- Technical University of Finland, Joint workshop on "Focusing on Mathematical Models & Analysis of COVID-19 Crisis". Talk Title: Artificial Intelligence Framework and Mathematical Modeling for COVID-19 Identification and Spread.


May 20, 2020, Invited Webinar hosted by the CDC (The Centers for Disease Control and Prevention), Title: Innovations in Mathematical Modeling for Describing Epidemics and Providing Time-Sensitive Recommendations: Experiences from HCV, HIV and COVID-19.


May 20, 2020: Innovations in Mathematical Modeling for Describing Epidemics and Providing Time-Sensitive Recommendations: Experiences from HCV, HIV and COVID-19. Webinar Hosted by CDC

September 17, 2019 DIDE Seminar, Department of Infectious Disease Epidemiology, Imperial College Medicine,  London,  England, UK

September 20, 2019 BDI seminar series, Big Data Institute, University of Oxford, England, UK

October 25, 2019—Seminar on Proof of Fundamental Theorem of Algebra, Department of Mathematics, Augusta University

December, 1-6, 2019—Challenges in Mathematical and Computational Modeling of Complex Systems (19w5218), Banff, Canada.

January 10-12, 2019 Invited Lightening Talk Sixth Annual Meetings of Evolutionary Demographic Society to be held at Miami, FL, USA

September 6th, 2018, Invited Talk, First Translational Research Program research conference for the year 2018-2019 at Lee Auditorium, Medical College of Georgia, Augusta.


July 9th, 2018 Invited Talk at Indian Institute of Management, Visakhapatnam, India titled "Blockchain Technology with Hybrid Modeling"


July 5th, 2018, Invited Talk on July 5th at NITI Aayog, New Delhi , India titled "Mathematical Modeling in Government Policy Formations”


June 29, 2018, Keynote address, 12th National Statistics Day Celebrations to commemorate 125th Birth Centenary Year of  Professor P.C. Mahalanobis  the Founder of Indian Statistical Institute, held on 29th June, 2018 at C.R. Rao Institute Hyderabad, India. Title :Blockchain Technology with Hybrid Modeling : Applications in Health Analytics"


January 12, 2018, Invited Talk, "From Fibonacci to Alfred Lotka and beyond: Modeling the dynamics of population and age-structures", Indian Statistical Institute, India

January 8, 2018, Invited Talk, Rao and Carey’s Equality and Fundamental Theorem, IIPS Mumbai, India

January 4, 2018, Invited Talk, Mathematical Modeling for Indian National HIV Program Response, Pondicherry University, India.

October 29-November 3, 2017, Talk at IPC 2017, International Population Conference, IUSSP, Cape Town, South Africa. (Session title: Advances in Mathematical and Statistical Demography)

January 4, 2017, Invited Talk, AMS Special Session on Analytical approaches in computational and mathematical biology, Joint Mathematical Meetings, Atlanta, USA

November 11, 2016, Invited Talk, Department of Mathematics, Augusta University, USA

September 27, 2016, Invited Talk, Division of Biostatistics, University of Miami, USA.

30 June, 2016, Invited Talk, CR Rao Institute, Hyderabad, India

29 June 2016, Invited Talk, The Center for Cellular and Molecular Biology, Hyderanad, India

28 June 2016, Invited Talk, Ten years of BIRU/ISRU Symposium, Indian Statistical Institute, Kolkata, India.

18, April, 2016, MBI Colloquium, The Mathematical Biosciences Institute, Ohio, USA

6 April, 2016, Brown Bag Seminar, UC Berkeley, USA

19 February, 2016, Brown Bag Seminar, Georgia State University, Atlanta, USA

16, June, 2015, Invited Talk, Mathematical and Theoretical Biology Institute, Pheonix, Arizona, USA

24 April, 2015-Invited Math Colloquium-Department of Mathematics, Georgia Regents University, USA

20 November, 2014-Invited Talk, COMS, Department of Mathematics, Georgia Southern University, Statesboro, USA.

18 October, 2014- Keynote address International Conference on Sustainable Civil Infrastructure, October 17-18, 2014. organized by the American Society of Civil Engineers - India Section in association with Department of Civil Engineering, Indian Institute of Technology Hyderabad.

9 October, 2014, Invited Talk, Department of Statistics, University of Pune, Pune, India

8 October, 2014, Invited Talk, Orientation to the MSc/PhD Students, Department of Mathematics, Andhra University, Visakhapatnam, India

8 September, 2014, Invited Talk, Medical University of South Carolina, Charleston

15-18 January 2014.  Invited Talk. The Joint Mathematics Meetings 2014, AMS Special Session: SS 43A, Mathematics in Natural Resource Modeling, Baltimore, USA

15-18 January 2014.  Talk. The Joint Mathematics Meetings 2014, AMS Special Session: SS 36A, Trends in Graph Theory, Baltimore, USA

26-28 December 2013, Plenary Talk, 11th Annual Conference of IASSH, Chennai, India

27 July, 2013, Special Talk, Department of Mathematics and Statistics, M.R. A. College, Vizianagaram, India

8-9 July, 2013. Resource Person, Workshop on Mathematical Epidemiology and Differential Equations, IIT Patna, India.

1 February, 2013, Invited Talk, Mathematics Colloquium, Department of Mathematics, Georgia Regents University, Augusta 

18 January, 2013, Talk, Department of Biostatistics & Epidemiology, Georgia Regents University, Augusta.

9 January, 2013, Talk, The Computational Ecology & Epidemiology Study Group, Athens.

23-27 January, 2012, Invited Talk, International Conference on Mathematical and Theoretical Biology, IISER, Pune

3-7 January, 2012, Invited Talk, Sectional Program: Mathematical Sciences, 99th Indian Science Congress, Bhubaneswar, India.

24-26 November, 2011, Plenary Talk, Symposium 5, IASSH Conference, TATA Institute of Social Science, Mumbai.

16 August, 2011, Invited Talk, International meeting on Theoretical and Experimental Immunology, Faculty Hall, IISc, Bangalore

10 June, 2011, Special Invited Talk, On some aspects of Riemann Mapping Theorem and its recent association with Probability, at CRRAO AIMSCS, Hyderabad

21 April, 2011, BIRU Seminar, Proof of the Riemann Mapping Theorem.

August, 2010: Talk, International Congress of Mathematicians (ICM2010), Hyderabad.

25 March, 2010: Invited Talk, Seminar on Demographic Convergence, Chennai

December, 2008: Invited Talk, Workshop on Mathematical Biology, Pre-ICM (International Congress of Mathematicians) International Convention on Mathematical Sciences, ICMS, Delhi

19 February 2008: Talk, Advanced Training Program in Bayesian Methods, Banaras Hindu University, Varanasi.

17 December, 2007: Guest Speaker, Bangalore Management Academy, (BIMB), Bangalore

11 December, 2006: Speaker, IIPS Golden Jubilee Conference, Bombay

2 December, 2006: Invited Guest Speaker-ISMS, Coimbatore

15 Feb 2006: DIDE Seminar, Imperial College, London

22 Feb 2006: CMB Lunchtime seminar, University of Bath

04 March 2006: Dept. Statistics, Andhra University

21 March 2006: IIPS, Bombay

28 March 2006: Dept. Mathematics, Andhra University

01 May 2006 : Mathematical Institute, Oxford

22 November, 2005: PHIMACS Invited talk, McMaster University, Canada

5 July, 2005: NRC, University of Minnesota, NRC, USA

25 January, 2005: Talk, McMaster University, Canada








Other previous workshops

Advanced Training Program in Bayesian Methods, 2008, Banaras Hindu University, Varanasi.

International Workshop on Data Mining and Stochastic Modeling, 2008, Andhra University, Visakhapatnam.

Speaker at the Eighth New Researchers Conference, August, 2005, IMS, USA

Discussion leader, Workshop on Mathematical Epidemiology, August, 2005, Banff, Alberta, Canada

Partially hyperbolic dynamics, laminations and Teichmuller flow workshop, January, 2006, Fields Institute, Toronto