Research Interests
Coagulation–Fragmentation, Coagulation–Annihilation, and Growth–Coagulation–Fragmentation Models; Well-posedness, Regularity, Mass Conservation, Gelation, Stationary Solutions, Self-similar Profiles, Numerical Methods, and Error Analysis., Inverse and Ill-posed Problems: Variational Regularization and Iterative regularization, Stochastic and Learning-based methods with Application to Medical Imaging, Stochastic Partial Differential Equations: Well-posedness, Regularity , Large-time Behavior
BioSketch
Visiting Researcher
05 Sep 2016 - 07 Sep 2016
Max-Planck Institute Leipzig, Germany
Visiting Researcher
01 Jul 2018 - 15 Jul 2018
CAMGSD at IST-Lisbon, Portugal
Visiting Researcher
23 Jun 2019 - 14 Jul 2019
Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Berlin, Germany
Doctoral fellow
17 Jul 2007 - 31 May 2010
International Max-Planck Research School (IMPRS), Otto-von-Guericke-University, Magdeburg, Germany
Associate Professor
17 Dec 2019 - 08 Aug 2024
Department of Mathematics, IIT Roorke
Assistant Professor
23 Jun 2014 - 16 Dec 2019
Department of Mathematics, IIT Roorkee, India
Research Scientist
01 May 2012 - 30 Jun 2014
Johann Radon Institute for Computational and Applied Mathematics (RICAM) Austrian Academy of Science
Post Docotoral Fellow
01 Jun 2010 - 30 Apr 2012
Chair for Applied Mathematics, Montan University Leoben, Austria
Visiting Researcher
20 Jun 2018 - 30 Jun 2018
LAMFA, CNRS, University of Picardie Jules Verne, Amiens, France
Visiting Professor
02 Dec 2022 - 24 Dec 2022
LAMA, University of Savoie Mont Blanc,, Chambery, France
Professor
09 Aug 2024 - Present
IIT Roorkee, Roorkee, India
Visiting Professor
22 Jun 2019 - 14 Jul 2019
Weierstrass Institute for Applied Analysis and Stochastics (WIAS) Berlin, Germany, Berlin, Germany
Research
Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Freie University, Berlin
Otto-von-Guericke University, Magdeburg, Germany
IST and University of Lisbon, Portugal
CNRS, Université de Toulouse, France
Montan University Leoben, Austria
University of Vienna & RICAM Linz, Austria
University of Pretoria, South Africa
A. K. Giri : Mathematical and numerical for coagulation-fragmentation equations, VDM Verlag Dr. Mueller, Saarbuecken, Germany, ISBN-978-3639375244, PhD thesis, 2010
Honors And Awards
Teaching Engagements
Students
Nonsingular and Singular Coagulation Models with Linear and Nonlinear Breakage
10 Jul 2014 - 18 Sep 2018
Other Supervisors: , Scholar: Prasanta Kumar Barik
On well-posedness for generalized stochastic Burgers-type equations
10 Jul 2014 - 12 Jun 2019
Other Supervisors: , Scholar: Vivek Kumar
Regularization for Nonlinear Inverse Problems via Stability Constraints
09 Jul 2016 - 02 May 2022
Other Supervisors: NA, Scholar: Gaurav Mittal
Oort-Hulst-Safronov coagulation model and its discrete counterpart with singular and nonsingluar unbounded coefficients
15 Jul 2015 - 10 Aug 2022
Other Supervisors: , Scholar: Pooja rai
Mathematical Theorey on the Discrete Collision-induced Breakage Equations and the Safronov- Dubovskii coagulation Equations
27 Dec 2017 - 05 Oct 2023
Other Supervisors: , Scholar: Mashkoor Ali
The Discrete and Continuous Redner-Ben-Avraham-Kahng Coagulation Models: Well-posedness, Large Time Behaviour an Their Connection
15 Sep 2018 - Present
Other Supervisors: , Scholar: Pratibha Verma
Population balance models
Semigroup theory for solving coagulation-fragmentation equations
Studies of new models in population balance
Population Balance equations: Dynamics and Numerics
Indian Institute of Technology Roorkee
Self-similar and stationary solutions to coagulation-fragmentation equations
Miscellaneous
Weierstrass Institute for Applied Analysis and Stochastics (WIAS) Berlin, Germany
2019-06-22
DST-DAAD project visit for Scientific collaboration with Prof. Volker John
LAMA, University of Savoie Mont Blanc, Chambery, France
2022-12-02
Indo-French (IFCAM) project visit (with my three PhD students) for Scientific collaboration with Prof. Philippe Laurencot
Weierstrass Institute for Applied Analysis and Stochastics (WIAS) Berlin, Germany
2019-06-24
Workshop on Phase Transitions and Particle Systems
Instituto Politécnico de Bragança, Bragança, Portugal
2018-07-08
Invited Talk in ENSPM-2018
IST-Lisbon, Portugal
2018-07-01
Invited Lecture and Research Collaboration with Prof. Fernando da Costa
Université de Picardie Jules Verne LAMFA CNRS, Amiens - France
2018-06-20
Invited Lecture & Research Collaboration with Prof. Youcef Mammeri
Panjab Unversity, Chandigarh, India
2016-12-05
Invited talk in International Conference on Recent Advances in Theoretical and Computational Partial Differential Equations with Applications
Otto-von-Guericke University, Magdeburg, Germany
2016-09-08
Invited Talk in "Conference on Recent Advances in Analysis and Numerics of Hyperbolic Conservation Laws" (In the honor of 60th Birthday of Prof. Gerald Warnecke)
Max-Planck Institute, Leipzig, Germany
2016-09-06
invited lecture and scientific collaboration with Dr. Benjamin Gess
IIT Bhubaneswar
2016-07-25
Invited Lecture series in GIAN course on Modelling, Analysis and Simulation of Coagulant Fluid
IISER Thiruvananthapuram
2016-06-06
Invited Lecture Series in a Workshop on High Performance Scientific Computing
South Asian University, New Delhi, India
2015-12-28
Invited talk in "International Conference on Current Trends in PDEs: Theory and Computation"
TIFR-CAM, Banalore, India
2015-12-21
Invited Talk in "Conference on Computational PDEs"
University of Porto, Portugal
2015-06-10
Contributed talk in the "joint International Meeting of AMS/EMS/SPM 2015"
Warden
01 Jul 2021 - 30 Jun 2022
Ganga Bhawan
Department Faculty Committee Secretary
01 Sep 2020 - 31 Aug 2022
Department of Mathematics, IIT Roorkee
Coordinator for Mathematics-I
15 Nov 2020 - 15 May 2021
IIT Roorkee
Faculty Advisor Placement
15 Jul 2021 - Present
Department of Mathematics
Chairman-Hospital Advisory Committee
06 Jun 2025 - Present
IIT Roorkee, India
Chairperson: Department Academic Programme Committee
01 Sep 2026 - Present
Department of Mathematics, IIT Roorkee, Roorkee, India
Chief Warden
01 Jul 2022 - 31 Dec 2025
Ganga Bhawan
Convener
01 Jan 2015 - 31 Dec 2017
Department Faculty Search Committee (DFSC)
OC website (Department)
01 Sep 2018 - 31 Aug 2020
IIT Roorkee
Warden
01 Jun 2017 - 30 Jun 2020
Cautley Bhavan