2026
On Certain Analytical Solution in Linear Elasticity
Event: Invited Research Seminar --- Location: Department of Mathematics, Harish-Chandra Research Institute, Prayagraj, Uttar Pradesh, India
Note: Invited seminar delivered on 29 June 2026.
Academic Visit to Harish-Chandra Research Institute
Location: Prayagraj, India
| Host: Department of Mathematics
| Purpose: Academic visit
Note: Visiting Professor during 27--30 June 2026.
Basic Hamiltonian Mechanics and Symplectic Geometry
Role: Invited instructor (4) --- Location: Department of Mathematics, Indian Institute of Science Education and Research Bhopal, Bhopal, Madhya Pradesh, India
Note: Weeklong invited short course consisting of lectures from 2--5 June 2026.
Academic Visit to Indian Institute of Science Education and Research Bhopal
Location: Bhopal, India
| Host: Department of Mathematics
| Purpose: Academic visit
Note: Visiting Professor during 31 May--6 June 2026.
Calculus of Variations; Basic Hamiltonian Mechanics; Local Bifurcation Theory; Methods of Complex Analysis
Role: Invited lecturer (8) --- Location: Indian Institute of Technology Bombay, Victor Menezes Convention Center, Mumbai, Maharashtra, India
Note: Eight invited lectures delivered during SPAND 2026 Workshop, ``Geometry, Dynamics, Stability and Waves -- Modern Analytical Tools for Engineers.''
Academic Visit to Indian Institute of Technology Bombay
Location: Mumbai, India
| Purpose: Academic visit
Note: Visiting Professor during 16--31 May 2026.
Towards understanding instabilities in certain elastic structures and in colloidal crystals on fluid membranes
Event: Departmental Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Jodhpur, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India
On analysis of some direct and inverse problems in scattering involving lattices
Event: Departmental Seminar --- Location: Department of Mathematics, Indian Institute of Technology Jodhpur, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan, India
On analysis of instabilities in elastic structures and mechanical systems
Event: Departmental Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Bhilai, Indian Institute of Technology Bhilai, Bhilai, Chhattisgarh, India
Some examples of advances in theoretical researches in physical problems involving applications to discrete and continuous elastic structures
Event: Departmental Seminar --- Location: Department of Mechanical Engineering, National Institute of Technology Raipur, National Institute of Technology Raipur, Raipur, Chhattisgarh, India
Some examples of theoretical advances in physical problems involving lattices and elasticity
Event: Departmental Seminar --- Location: Department of Mechanical Engineering, Visvesvaraya National Institute of Technology Nagpur, VNIT Nagpur, Nagpur, Maharashtra, India
On some exact solutions for Landauer--Buttiker transmission problem across certain junctions between carbon nanotubes and graphene nanoribbons and other related structures
Event: Institute Seminar --- Location: Indian Institute of Technology Hyderabad, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
An application of Fourier analysis to physical problems involving lattice dynamics and discrete scattering theory
Event: Institute Seminar --- Location: Indian Institute of Technology Hyderabad, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
2025
An application of bifurcation analysis towards understanding instabilities in certain nonlinear elastic structures
Event: Institute Seminar --- Location: Indian Institute of Technology Hyderabad, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
Local analysis of nonlinear problems in engineering
Role: Visiting Professor (15) --- Location: Indian Institute of Technology Hyderabad, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
Academic Visit to Indian Institute of Technology Hyderabad
Location: Hyderabad, India
| Purpose: Academic visit
Note: Visiting Professor during 25 December 2025--7 January 2026.
Two applications of local bifurcation analysis in elastic structures and soft matter mechanics
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Tirupati, Indian Institute of Technology Tirupati, Tirupati, Andhra Pradesh, India
Some examples of applications of Fourier analysis and bifurcation analysis to physical problems involving lattice dynamics and elasticity
Event: Invited Seminar --- Location: Department of Mathematics, Indian Institute of Technology Indore, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India
Some applications of bifurcation analysis towards understanding instabilities of colloidal crystals on fluid membranes and instabilities in certain elastic structures
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Indore, Indian Institute of Technology Indore, Indore, Madhya Pradesh, India
Some examples of applications of Fourier analysis and bifurcation analysis to physical problems involving lattice dynamics and elasticity
Event: Invited Seminar --- Location: Department of Mathematics, Indian Institute of Science Education and Research Bhopal, IISER Bhopal, Bhopal, Madhya Pradesh, India
On unbuckling mechanisms behind instabilities of colloidal crystals on fluid membranes
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
Some applications of bifurcation analysis in elasticity and mechanics
Event: 11th International Conference on Quasilinear Equations, Inverse Problems and their Applications (QIPA 2025) --- Location: Moscow Institute of Physics and Technology, Moscow, Russia
Some applications of bifurcation analysis in elasticity and mechanics
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Ropar, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
Academic Visit to Indian Institute of Technology Ropar
Location: Rupnagar, India
| Host: Department of Mathematics
| Purpose: Academic visit
Note: Visiting Professor during 29 September--8 October 2025.
Towards understanding wave scattering on lattices: direct and inverse problems
Role: Instructor (4) --- Location: Department of Mathematics, Indian Institute of Technology Ropar, Indian Institute of Technology Ropar, Rupnagar, Punjab, India
Applications of local bifurcation theory in mechanics
Role: Instructor (12) --- Location: Department of Mechanical Engineering, Indian Institute of Technology Gandhinagar, Indian Institute of Technology Gandhinagar, Gandhinagar, Gujarat, India
A glimpse of some researches in engineering and physics with a strong role of mathematics: tackling questions with tools besides rigorous general-purpose computation
Event: Invited Seminar --- Location: Indian Institute of Information Technology Allahabad, Indian Institute of Information Technology Allahabad, Prayagraj, Uttar Pradesh, India
A toy application of analysis to waves
Event: Invited Research Seminar --- Location: Department of Applied Sciences, Indian Institute of Information Technology Allahabad, Indian Institute of Information Technology Allahabad, Prayagraj, Uttar Pradesh, India
2024
Academic Visit to Institut des Hautes Études Scientifiques (IHÉS)
Location: Bures-sur-Yvette, France
| Purpose: Research Collaboration
Some solvable questions in lattice dynamics: chasing the continuum, handling simple things by complex tools
Event: CMAP Seminar --- Location: Centre de Mathématiques Appliquées (CMAP), École Polytechnique, École Polytechnique, Palaiseau, France
Academic Visit to Centre de Mathématiques Appliquées (CMAP), École Polytechnique
Location: Palaiseau, France
| Purpose: Research visit
Note: Visiting Professor during 3 November 2024--3 January 2025.
Academic Visit to Institut des Hautes Études Scientifiques (IHÉS)
Location: Bures-sur-Yvette, France
| Purpose: Research visit
Note: Visiting Researcher during 3 November 2024--3 January 2025.
Academic Visit to King Mongkut's University of Technology Thonburi
Location: Bangkok, Thailand
| Purpose: Visiting Professor
On applications of nonlinear theories of thin-wall structures: instabilities and analysis
Event: Invited Seminar --- Location: King Mongkut's University of Technology Thonburi, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
Some solvable questions in lattice dynamics: chasing the continuum, handling simple things by complex tools
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Science, AR Auditorium, Bengaluru, Karnataka, India
On mathematical analysis of biomembrane structures
Event: Invited Seminar --- Location: Department of Aerospace Engineering, Indian Institute of Science, STC Seminar Hall, Bengaluru, Karnataka, India
Stability of lipid membranes with embedded particles
Event: 6th Indian Conference on Applied Mechanics (INCAM 2024) --- Location: National Institute of Technology Warangal, Warangal, Telangana, India
Mechanics of randomly perturbed lattice models and inverse problems
Event: 6th Indian Conference on Applied Mechanics (INCAM 2024) --- Location: National Institute of Technology Warangal, Warangal, Telangana, India
Interaction of in-plane waves with line defects in two-dimensional lattices
Event: 6th Indian Conference on Applied Mechanics (INCAM 2024) --- Location: National Institute of Technology Warangal, Warangal, Telangana, India
Some aspects of the classical calculus of variations and differential geometry in mechanics: re-visits and re-discoveries, and few illustrations of instabilities in slender structures
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Hyderabad, Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
2023
Some applications of bifurcation analysis in elasticity and mechanics
Event: 9th International Conference on Quasilinear Equations, Inverse Problems and their Applications (QIPA 2023) --- Location: Moscow Institute of Physics and Technology, Moscow, Russia
On scalar waves in lattices with defects and interfaces on surfaces
Event: Applied Mathematics Seminar --- Location: Department of Mathematical Sciences, University of Liverpool, University of Liverpool, Liverpool, United Kingdom
Event: Workshop on Canonical Scattering Problems --- Location: Isaac Newton Institute for Mathematical Sciences, University of Cambridge, Cambridge, United Kingdom
Some illustrative problems in the discrete scattering theory
Event: Asymptotics, Operators, and Functionals (AOF) Seminar --- Location: Department of Mathematical Sciences, University of Bath, University of Bath, Bath, United Kingdom
Some illustrative problems in discrete scattering theory: lessons from classical problems for novel lattice materials
Event: Invited Online Seminar --- Location: Discipline of Mechanical Engineering, Indian Institute of Technology Gandhinagar, Online, Gandhinagar, Gujarat, India
Surface waves in lattice models
Event: Invited Seminar --- Location: School of Computer Science and Mathematics, Keele University, Keele University, Keele, United Kingdom
Academic Visit to Isaac Newton Institute for Mathematical Sciences
Location: Cambridge, United Kingdom
| Purpose: Invited research visitor
2022
Multiscale Modeling of Membranes with Embedded Thin Filaments
Event: 2022 SIAM Annual Meeting (AN22) --- Location: David L. Lawrence Convention Center, Pittsburgh, Pennsylvania, USA
Note: Presented by S. Dharmavaram.
Modeling coupled interaction of lipid membranes with embedded filaments
Event: ECCOMAS Congress 2022 --- Location: ECCOMAS Congress 2022, Oslo, Norway
Note: Presented by S. Dharmavaram.
Some problems in discrete scattering and lattice mechanics
Event: Workshop on Functional Analysis and its Applications --- Location: Department of Applied Sciences, Indian Institute of Information Technology Allahabad, IIIT Allahabad, Prayagraj, Uttar Pradesh, India
2020
An example from discrete scattering theory
Event: Analysis Seminar --- Location: Department of Mathematics, Indian Institute of Technology Kanpur, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2019
Anti-plane surface waves in media with surface structures and surface interfaces: Discrete vs. continuum model
Event: Kick-off Meeting of the IRP COSS \& VITA and Workshop on Elastodynamics of Microstructured Media --- Location: École des Ponts ParisTech, Amphithéâtre Navier, Champs-sur-Marne, France
Note: Presented by V. A. Eremeyev.
Anti-plane Surface Waves: Discrete vs. Continuum Model
Event: Dynamics of Technical Systems --- Location: Rostov-on-Don, Russia
Note: Presented by V. A. Eremeyev.
Wiener--Hopf factorisation on the unit circle: some examples of discrete scattering problems
Event: Factorisation of Matrix Functions: New Techniques and Applications (WHTW01) --- Location: Isaac Newton Institute for Mathematical Sciences, University of Cambridge, Cambridge, United Kingdom
Waves on lattices: case of scattering due to crack on square lattice
Role: Invited lecturer (5) --- Location: Faculty of Civil and Environmental Engineering, Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, Gdańsk, Poland
Note: Five invited lectures delivered for Engineers.''
On the discrete scattering effects due to edges in certain simple structures
Event: Invited Seminar --- Location: Institute of Applied and Computational Mathematics, Foundation for Research and Technology -- Hellas, Heraklion, Crete, Greece
Three-day lecture series on theoretical results involving lattices
Role: Instructor (3) --- Location: Faculty of Engineering, Politecnico di Bari, Bari, Italy
On analysis and applications of discrete scattering theory involving edges
Event: Invited Seminar --- Location: Glasgow Computational Engineering Centre, University of Glasgow, Glasgow, United Kingdom
On the discrete scattering effects due to edges in certain simple structures
Event: ACM Research Seminar --- Location: School of Engineering, Cardiff University, Cardiff, United Kingdom
On the discrete scattering effects due to edges in certain simple structures
Event: Invited Seminar --- Location: Department of Mathematics, Keele University, Keele, United Kingdom
Wave propagation in lattices and structured media
Event: Invited Seminar --- Location: Center for Mechanics of Solids, Structures and Materials, The University of Texas at Austin, Austin, Texas, USA
On the analysis and applications of discrete scattering theory in bifurcated lattice waveguides
Event: Invited Seminar --- Location: Centre des Matériaux, Mines ParisTech, Évry, France
Academic Visit to Aberystwyth University
Location: Aberystwyth, United Kingdom
On the analysis and applications of discrete scattering theory in bifurcated lattice waveguides
Event: Invited Seminar --- Location: Centre de Morphologie des Matériaux, Mines ParisTech, Fontainebleau, France
On an elementary analysis and some applications of scattering theory involving edges in a discrete framework
Event: Invited Seminar --- Location: Dipartimento di Ingegneria Meccanica, Chimica e dei Materiali, Università degli Studi di Cagliari, Cagliari, Italy
2018
Academic Visit to TIFR Centre for Applicable Mathematics
Location: Bengaluru, India
On an elementary analysis and some applications of scattering theory involving edges in a discrete framework
Event: Invited Seminar --- Location: TIFR Centre for Applicable Mathematics, Bengaluru, Karnataka, India
On some examples of discrete scattering in simple structures and their applications in mechanics and physics
Event: Workshop on Dynamic Phenomena in Media with Microstructure --- Location: Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel
2017
Some reflections on the discrete aspects of solid mechanics
Event: IITH Solid Mechanics Symposium --- Location: Indian Institute of Technology Hyderabad, Hyderabad, Telangana, India
2015
Dislocation kinetics in lattice models
Event: Pravartana'15 --- Location: Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
Scattering of waves by line defects on two-dimensional lattices
Event: Invited Seminar --- Location: Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
Fourier Series
Event: Mechanics School @ IITK (TEQIP Programme) --- Location: Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2014
Discrete Sommerfeld Problems
Event: Mathematics Colloquium --- Location: Department of Mathematics, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2011
Liouville--Arnold Theorem
Event: Analysis Seminar --- Location: Department of Mathematics, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2009
On Nonlinear Elastostatics
Event: Analysis Seminar --- Location: Department of Mathematics, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2007
On a hypothesis concerning slowly moving steps along a phase boundary
Event: Invited Seminar --- Location: Indian Institute of Technology Delhi, New Delhi, India
On Fracture in a Bar
Event: Workshop on Mechanics of Interaction, Impacts and Separation of Solids --- Location: Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
2006
Fast Motion of Dislocation in a Lattice Model
Event: Invited Seminar --- Location: Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
Kinetics of a Dislocation: Discrete Models
Event: Invited Seminar --- Location: Laboratoire de Mécanique des Solides, École Polytechnique, Palaiseau, France
2005
Kinetics of a Dislocation: Continuum Models
Event: Invited Seminar --- Location: Laboratoire de Mécanique des Solides, École Polytechnique, Palaiseau, France
On the motion of a Peierls' Dislocation
Event: Invited Seminar --- Location: Department of Mathematical Sciences, University of Liverpool, Liverpool, United Kingdom
Kinetics of a Dislocation in Peierls--Nabarro and Frenkel--Kontorowa Models
Event: Theories of Microstructures and Defects --- Location: Politecnico di Bari, Bari, Italy
Energy Landscape for Phase Boundaries and Step Formation
Event: Multi-scale Problems: Modelling, Analysis and Applications --- Location: University of Bath, Bath, United Kingdom
Dispersive Continuum and Peierls Dislocation
Event: Successes and Failures of Continuous Models for Discrete Systems --- Location: University of Bristol, Bristol, United Kingdom
On the motion of a Peierls' Dislocation
Event: Invited Seminar --- Location: Institute of Mathematical Sciences, University of Bath, Bath, United Kingdom
Dislocations and Plasticity
Event: Dynamical Problems in Mathematical Materials Science --- Location: International Centre for Mathematical Sciences, Edinburgh, United Kingdom
Academic Visit to University of Bath
Location: Bath, United Kingdom
Academic Visit to University of Pittsburgh
Location: Pittsburgh, USA
Academic Visit to Brown University
Location: Providence, USA
Synchronization of Globally Coupled Oscillators without Symmetry in the Distribution of Natural Frequencies
Event: Invited Seminar --- Location: Theoretical and Applied Mechanics, Cornell University, Ithaca, New York, USA
2004
Unstable Solitary Waves in One-Dimensional Lattice
Event: First SIAM Conference on Nonlinear Waves and Coherent Structures --- Location: University of Central Florida, Session on Waves in Lattices and Arrays, Orlando, Florida, USA
Academic Visit to University of Crete
Location: Heraklion, Greece
Note: Research discussions on phonon emission, dispersive continuum models and kinetic relation for a dislocation.
Dispersion, Dissipation and the Kinetic Relation for a Dislocation
Event: SIAM Conference on Mathematical Aspects of Materials Science: Mini-Symposium on Dynamics of Microstructure and Defects in Solids --- Location: Los Angeles, USA, USA
2003
Unstable Solitary Waves in One-Dimensional Lattice: Discrete Model
Event: Research group seminar --- Location: Theoretical and Applied Mechanics, Cornell University, Ithaca, New York, USA
Solitary Waves in One-Dimensional Lattice: Continuum Models
Event: Research group seminar --- Location: Theoretical and Applied Mechanics, Cornell University, Ithaca, New York, USA