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Ph.D. Theses

2024

1 Sandip Maji. Convergence Analysis of Numerical Methods for Fractional Differential and Integro-Differential Equations. Supervisor: Natesan Srinivasan Viva-voce date: 2024-04-04
2 Ankita Sen. Heavy-Traffic Analysis of Time-Varying Queueing Systems Under Random Environment. Supervisor: N. Selvaraju Viva-voce date: 2024-01-30
3 Matap Shankar. Ulam-Hyers and Lyapunov Stability for Some Classes of Fractional Differential Equations and Difference Equations. Supervisor: Swaroop Nandan Bora Viva-voce date: 2024-01-24
4 Kuwari Mahanta. Local Geometry of Curve Graphs of Closed Surfaces. Supervisor: P.A.S. Sree Krishna Viva-voce date: 2024-01-12

2023

1 Anwita Bhowmik. Paley and Peisert graphs over finite fields, and their generalizations. . Supervisor: Rupam Barman Viva-voce date: 2023-12-23
2 Arun Kumar Bhardwaj. Some spaces of holomorphic functions and their applications. Supervisor: Rajesh Srivastava Viva-voce date: 2023-12-20
3 Mrityunjoy Barman. Analysis of Parameter-Uniform Numerical Methods for Singularly Perturbed Differential Equations with Two Parameters . Supervisor: Natesan Srinivasan Viva-voce date: 2023-11-29
4 Gouranga Pradhan. Virtual Element Methods for General Linear Second-Order Hyperbolic Problems on Polygonal Meshes . Supervisor: Bhupen Deka Viva-voce date: 2023-11-02
5 Raman Kumar. High-order weak Galerkin finite element methods for Maxwell’s equations. Supervisor: Bhupen Deka Viva-voce date: 2023-11-01
6 Soma Das. Nearly Invariant Subspaces with Finite Defect in Vector-Valued Hardy Spaces and it's Applications. Supervisor: Arup Chattopadhyay Viva-voce date: 2023-08-14
7 Chandan Pradhan . Trace Formulas and Finite Dimensional Approximations. Supervisor: Arup Chattopadhyay Viva-voce date: 2023-07-03
8 Raghav Singhal. Higher Order Compact Explicit Jump Immersed Interface Methods for Incompressible Viscous Flows: Application and Development. Supervisor: Jiten Chandra Kalita Viva-voce date: 2023-06-24
9 Subrata Golui. Risk- Sensitive Stochastic Control and Games. Supervisor: Chandan Pal Viva-voce date: 2023-06-19
10 Monu Kadyan. Integral Mixed Cayley Graphs . Supervisor: Bikash Bhattacharjya Viva-voce date: 2023-06-14
11 Arnab Bhabak. Stochastic Control Problems with Probability and Risk Sensitive Criteria. Supervisor: Subhamay Saha Viva-voce date: 2023-06-05
12 Shyam Swarup Mondal. Some Classical Problems in Harmonic Analysis. Supervisor: Jitendriya Swain Viva-voce date: 2023-02-03

2022

1 Deepak. A Study of Some Parametes in Signed Graphs. Supervisor: Bikash Bhattacharjya Viva-voce date: 2022-12-09
2 Uttam Kumar. On nonlocal purely critical and supercritical problems and superlinear semipositone problems. Supervisor: Sweta Tiwari Viva-voce date: 2022-11-21
3 Papi Ray. Local properties of Richardson varieties in symplectic and orthogonal Grassmannians. Supervisor. Supervisor: Shyamashree Upadhyay Viva-voce date: 2022-11-11
4 Naresh Kumar. Weak Galerkin Finite Element Methods for Time Dependent Problems on Polygonal Meshes. Supervisor: Bhupen Deka Viva-voce date: 2022-09-26
5 Kuldeep Singh Yadav. On The Penetration And Distribution Of Drugs Into Biological Tissues. Supervisor: Durga Charan Dalal Viva-voce date: 2022-08-18
6 Koushik Kanti Barman. Study of Scattering and Trapping of Water Waves in Two-layer Fluids for Various Types of Structure Configuration and Sea-beds. Supervisor: Swaroop Nandan Bora Viva-voce date: 2022-07-01
7 Nilay Mondal. Mathematical Modelling Of Drug Delivery In Tissue Cells By Electroporation. Supervisor: Durga Charan Dalal Viva-voce date: 2022-05-23
8 Papri Roy. Weak Galerkin Finite Element Methods For Some Interface Problems With Nonhomogeneous Jump Conditions. Supervisor: Bhupen Deka Viva-voce date: 2022-05-13
9 Ajit Singh. Divisibility of Certain Partition Functions and Modular Forms. Supervisor: Rupam Barman Viva-voce date: 2022-05-12
10 Shantiram Mahata. Discretization In Space And Time Of Subdiffusion Equations with Memory. Supervisor: Rajen Kumar Sinha Viva-voce date: 2022-04-22
11 Avijit Das. Error Analysis of the Streamline-Diffusion FEM for Singularly Perturbed Differential Equations. Supervisor: Natesan Srinivasan Viva-voce date: 2022-04-21
12 Rupak Kumar Dalai. Spherical Mean Of Metivier Groups And Uniqueness Results For Quaternion Weyl Transform. Supervisor: Rajesh Srivastava Viva-voce date: 2022-04-20
13 Rakesh Jana. On the bipartite distance matrix and the bipartite Laplacian matrix. Supervisor: Sukanta Pati Viva-voce date: 2022-03-14
14 Nandita Roy. Localizing Spectra and Pseudospectra of Matrices and Matrix Polynomials. Supervisor: Shreemayee Bora Viva-voce date: 2022-03-02
15 Ram Manohar. A Posteriori Error Estimates for Finite Element Discretizations of Parabolic Optimal Control Problems. Supervisor: Rajen Kumar Sinha Viva-voce date: 2022-01-11

2021

1 Tanushree Ray. Adaptive Finite Element Methods For Parabolic Interface Problems. Supervisor: Rajen Kumar Sinha Viva-voce date: 2021-10-22
2 Swapnendu Panda. Goeritz Groups of Genus Two and Genus Three Heegaard Splitting of the Three Sphere. Supervisor: P.A.S. Sree Krishna Viva-voce date: 2021-09-30
3 Shamik Das. Congruent Number and Related Topics. Supervisor: Anupam Saikia Viva-voce date: 2021-09-24
4 Ayan Chanda. Water wave interaction with different structures and obstacles due to various types of bottom topography in a homogeneous fluid and a two-layer fluid. Supervisor: Swaroop Nandan Bora Viva-voce date: 2021-08-27
5 Bandita Roy. On the existence, uniqueness and approximate controllability of some classes of differential equations with different types of fractional derivatives. Supervisor: Swaroop Nandan Bora Viva-voce date: 2021-08-12
6 Somnath Ghosh. Uniqueness pairs for the Fourier transform on the Euclidean spaces and certain Lie groups. Supervisor: Rajesh Srivastava Viva-voce date: 2021-06-30
7 Sunil Das. Classifications of some Algebraically Positive, Diagonalizable and Stable Matrices with their Sign Patterns. Supervisor: Sriparna Bandopadhyay Viva-voce date: 2021-06-29
8 Sangram Kishor Jena. Approximation Algorithms for Facility Location Problems in Graphs. Supervisor: Gautam K. Das Viva-voce date: 2021-04-21
9 Reshmi Biswas. Study of non-local elliptic problems involving variable order and variable exponents. Supervisor: Sweta Tiwari Viva-voce date: 2021-02-11
10 Abhijit Sarkar. Diffraction and Radiation of Linear Water Waves by a Vertical Compound Porous Cylinder of Various Configurations in Finite Ocean Depth. Supervisor: Swaroop Nandan Bora Viva-voce date: 2021-02-08
11 Jogen Dutta. A Priori Error Analysis for the Finite Element Approximations to Various Interface Problems Arising in Biological Media. Supervisor: Bhupen Deka Viva-voce date: 2021-01-21
12 Mohit Tripathi. Appell series over finite fields and Gaussian hypergeometric series.. Supervisor: Rupam Barman Viva-voce date: 2021-01-19

2020

1 Nilanjan Bag. Some Problems on Exponential Sums. . Supervisor: Rupam Barman Viva-voce date: 2020-12-21
2 Gautam Singh. Superconvergence Analysis of the Discontinuous Galerkin Method for Singularly Perturbed Differential Equations. . Supervisor: Natesan Srinivasan Viva-voce date: 2020-12-14
3 Sumit Kumar Rano. Some Aspects of Poisson Transform on Homogeneous Trees. . Supervisor: Pratyoosh Kumar Viva-voce date: 2020-12-14
4 Dipankar Mondal. Portfolio Theory with Lower Partial Moments: Asset Pricing and Performance Analysis. . Supervisor: N. Selvaraju Viva-voce date: 2020-11-02
5 Debasish Pattanayak. Distributed Algorithms for Autonomous Mobile Robots. . Supervisor: Partha Sarathi Mandal Viva-voce date: 2020-07-16
6 Devanand. HOC approach to the dynamics of waves in excitable media. . Supervisor: Jiten Chandra Kalita Viva-voce date: 2020-07-14
7 Sonjoy Pan. Deterministic and Stochastic Analysis of HCV Dynamics with Humoral Immune Response.. Supervisor: Siddhartha Pratim Chakrabarty Viva-voce date: 2020-06-24
8 Biswajit Das. Linearizations and Distance Problems Associated with Matrix Polynomials. . Supervisor: Shreemayee Bora Viva-voce date: 2020-06-17

2019

1 Ananda Chandra Nayak. Study of Primitive and Pseudo- Bordered Partial Words. . Supervisor: Kalpesh Kapoor Viva-voce date: 2019-08-30
2 Ranjan Kumar Das. Strong Linearizations of Polynomial and Rational Matrices and Recovery of Spectral Data.. Supervisor: Rafikul Alam Viva-voce date: 2019-08-30
3 Arindam Dey. On the Module of Derivations of Certain Rings. . Supervisor: Vinay Wagh Viva-voce date: 2019-06-27
4 Swarup Barik. Multi-scale analysis of solute transport in steady and oscillatory flows with boundary reactions. . Supervisor: Durga Charan Dalal Viva-voce date: 2019-05-29
5 Chiranjit Ray. Arithmetic Properties of Certain Partition Functions and Modular Forms. . Supervisor: Rupam Barman Viva-voce date: 2019-05-29
6 Madhusudan Bera. Dynamics of certain One-Parameter and Two- Parameter Families of Transcendental Functions.. Supervisor: M. Guru Prem Prasad Viva-voce date: 2019-05-29
7 Biplab Paul. Statistical Inferences on Different Types of Bivariate Pareto Distribution.. Supervisor: Arabin Kumar Dey Viva-voce date: 2019-04-05
8 Tamal Pramanick. Two-Scale Composite Finite Element Method For Parabolic Problems in Convex and Nonconvex Polygonal Domains.. Supervisor: Rajen Kumar Sinha Viva-voce date: 2019-02-25
9 N. Balasubramani. A Study on Fractal Interpolation in Shape Preserving and in Numerical Methods for Ordinary Differential Equations.. Supervisor: M. Guru Prem Prasad Viva-voce date: 2019-02-18
10 Jayanta Borah. A Study on Some Classes of Fractional Differential Equations with Non-instantaneous Impluses.. Supervisor: Swaroop Nandan Bora Viva-voce date: 2019-01-28
11 Pratibha Shakya. Finite Element Methods For Elliptic And Parabolic Optimal Control Problems With Measure Data. . Supervisor: Rajen Kumar Sinha Viva-voce date: 2019-01-16

2018

1 Naba Kanta Sarma. A Study of Torsion of Elliptic Curves and Fundamental Units over Number Fields. . Supervisor: Anupam Saikia Viva-voce date: 2018-12-22
2 Koyel Chakravarty. A Mathematical Study of Controlled Release Drug Delivery to Biological Tissues.. Supervisor: Durga Charan Dalal Viva-voce date: 2018-12-14
3 Sougata Biswas. Some Aspects of Corner Vortices in Separated Flows: A Theoritical and Numerical Investigation. . Supervisor: Jiten Chandra Kalita Viva-voce date: 2018-12-10
4 Maneesh Kr. Singh. Analysis of Robust Computational Techniques for Singularly Perturbed System of Parabolic Partial Differential Equations. . Supervisor: Natesan Srinivasan Viva-voce date: 2018-11-22
5 Ramesh Prasad Panda. Connectedness and Spectral Properties of Power Graphs of Finite Groups. . Supervisor: K.V. Krishna Viva-voce date: 2018-09-06
6 Deb Kumar Giri. Uniqueness of the Fourier Transform on Euclidean Spaces and Certain Locally Compact Lie Groups.. Supervisor: Rajesh Srivastava Viva-voce date: 2018-04-21
7 Ramesh Kumar Jallu. Approximation Algorithms for Dominating Set and its Variants on Unit Disk Graphs. . Supervisor: Gautam K. Das Viva-voce date: 2018-04-05
8 Ankur Kanaujiya. Numerical Methods For Pricing Passport Option. . Supervisor: Siddhartha Pratim Chakrabarty Viva-voce date: 2018-03-29
9 Anirudha Poria. A Study of Frames and Their Generalizations. . Supervisor: Jitendriya Swain Viva-voce date: 2018-02-19
10 Gayatri Panicker. If-Then-Else Over The Algebra Of Conditional Logic.. Supervisor: K.V. Krishna Viva-voce date: 2018-02-03

2017

1 Arnab Ghosh. Linearization,Sensitivity and Backward Perturbation Analysis of Multiparameter Eigenvalue Problems. . Supervisor: Rafikul Alam Viva-voce date: 2017-12-18
2 Anirban Majumdar. Robust Numerical Methods for Singularly Perturbed Parbolic PDEs with Interior and Boundary Layers. . Supervisor: Natesan Srinivasan Viva-voce date: 2017-12-08
3 Abhishek Das. Parameter-Uniform Numerical Methods For Singularly Perturbed Delay Parabolic Partial Differential Equations. . Supervisor: Natesan Srinivasan Viva-voce date: 2017-07-14
4 Hiranmoy Pal. State Transfer on Neps and Cayley Graphs. . Supervisor: Bikash Bhattacharjya Viva-voce date: 2017-07-10
5 Chitralekha Sarkar.. Higher Order Compact Schemes and their applications to problems with complex Geometries. . Supervisor: Durga Charan Dalal Viva-voce date: 2017-05-07
6 Md. Nasim Akhtar. Fractal Dimensions and Approximations of Alpha-Fractal Interpolation Functions. . Supervisor: M. Guru Prem Prasad Viva-voce date: 2017-05-02
7 Kumari Saloni. The Hilbert-Samuel Polynomial and its coefficients. . Supervisor: Anupam Saikia Viva-voce date: 2017-03-07
8 Himadri Nayak. On the multiset of factors of a string. . Supervisor: Kalpesh Kapoor Viva-voce date: 2017-01-18

2016

1 Debopam Chakraborty. A Study of Class Number of Real Quadratic and Cubic Fields. . Supervisor: Anupam Saikia Viva-voce date:
2 Dishari Chaudhuri. On Units in Group Algebras. . Supervisor: Anupam Saikia Viva-voce date:
3 Shibsanakar Das. On Approximate Parameterized String Matching and Related Problems. . Supervisor: Kalpesh Kapoor Viva-voce date:
4 Manjanna B. Algorithms for Geometric Covering Problems. . Supervisor: Gautam K. Das Viva-voce date:
5 Kalyan Manna. Dynamics and analysis of models for chronic hepatitis B virus infection. . Supervisor: Siddhartha Pratim Chakrabarty Viva-voce date:
6 Swarup Kumar Panda. On the Inverse of Bipartite Graphs with Unique Perfect Matchings and Reciprocal Eigenvalue Properties. . Supervisor: Sukanta Pati Viva-voce date:
7 Punit Sharma. Eigenvalue Backward Errors of Polynomial Eigenvalue problems under structure Preserving Perturbations. . Supervisor: Shreemayee Bora Viva-voce date:

2015

1 Barun Gorain. Approximation Algorithms for Sweep Coverage in Wireless Sensor Networks. . Supervisor: Partha Sarathi Mandal Viva-voce date:
2 Neelam Choudhary. Linear sloshing in vertical circular cylindrical containers with different configurations under the influence of surface tension.. Supervisor: Swaroop Nandan Bora Viva-voce date:
3 Kalyan Sinha. On completion problems for some classes of Matrices. . Supervisor: Bhaba Kumar Sarma Viva-voce date:
4 Jhuma Sen Gupta. A Posteriori error analysis of finite element method for parabolic interface problems. . Supervisor: Rajen Kumar Sinha Viva-voce date:
5 Koushik Mondal. Designing localization algorithms for wireless sensor networks: A Geometic Approach. . Supervisor: Partha Sarathi Mandal Viva-voce date:

2014

1 Bidyut Gogoi. Some diverse directions in higher order compact methodology. . Supervisor: Jiten Chandra Kalita Viva-voce date:
2 Dinesh Kumar. Dynamics and control of a predation-prey system with the supply of additional food to predators. . Supervisor: Siddhartha Pratim Chakrabarty Viva-voce date:
3 Sunanda Saha. Study of trapped modes in two and three layer fluids. . Supervisor: Swaroop Nandan Bora Viva-voce date:
4 Mohammad Hassan. Diffraction and radiation of water waves by two coaxial vertical cylinders. . Supervisor: Swaroop Nandan Bora Viva-voce date:
5 Santu Das. Linear Water Wave Damping by a Bottom-Mounted Porous Structure and by Vertical Dual Porous Plates. . Supervisor: Swaroop Nandan Bora Viva-voce date:
6 Raj Bhawan Yadav. Some density results in C(S^n,S^n) for lower dimensions and Riemannian morphisms. . Supervisor: K.V. Srikanth Viva-voce date:
7 Namita Behara. Fiedler linearizations for LTI state-space systems and for rational eigenvalue problems. . Supervisor: Rafikul Alam Viva-voce date:
8 Jitender Kumar. Affine Near-Semirings over Brandt Semigroups. . Supervisor: K.V. Krishna Viva-voce date:
9 G. Murali Mohan Reddy. A Posteriori Error Analysis of Finite Element Method for Parabolic Integro-Differential Equations. . Supervisor: Rajen Kumar Sinha Viva-voce date:
10 S. Gowrishankar.. Uniformly Convergent Numerical Schemes for Singularly Perturbed Parabolic Partial Differential Equations on Adaptive Grid. . Supervisor: Natesan Srinivasan Viva-voce date:
11 Manideepa Saha. On nonnegative matrices and generalized M-matrices. . Supervisor: Sriparna Bandopadhyay Viva-voce date:

2013

1 Biswajit Deb. On Motion Planning in Graphs. . Supervisor: Kalpesh Kapoor Viva-voce date:
2 Pratibhamoy Das. Robust Numerical Schemes for Singularly Perturbed Boundary-Value Problems on Adaptive Meshes. . Supervisor: Natesan Srinivasan Viva-voce date:

2012

1 Ravi Srivastava. Distance problems for Hermitian matrix polynomials - an epsilon-pseudospectra based approach. . Supervisor: Shreemayee Bora Viva-voce date:
2 Shubh Narayan Singh. Semi - flower automata. . Supervisor: K.V. Krishna Viva-voce date:
3 Shuvam Sen. Compact biharmonic computation of the Navier-Stokes equations: Extension to complex flows. . Supervisor: Jiten Chandra Kalita Viva-voce date:
4 Debajit Kalita. Spectra of Weighted Directed Graphs. . Supervisor: Sukanta Pati Viva-voce date:

2011

1 I. Venkat Appal Raju. Pricing and Hedging of Derivations in Markov - Modulated Markets through Benchmark Approach. . Supervisor: N. Selvaraju Viva-voce date:

2010

1 Cosmika Goswami. Performance Analysis of Working Vacation Queueing Models in Communication Systems. . Supervisor: N. Selvaraju Viva-voce date:
2 Rajesh Pratap Singh. Permutation polynomials and their applications in cryptography.. Supervisor: Anupam Saikia Viva-voce date:
3 Jugal Mohapatra. Parameter - uniform numerical methods for singularly perturbed convection diffusion boundary value problems using adaptiv grid.. Supervisor: Natesan Srinivasan Viva-voce date:
4 Kaushik Mukherjee. Upwind based Numerical methods for time-dependent singulary perturbed problems with boundary and interior layers. . Supervisor: Natesan Srinivasan Viva-voce date:
5 Rupam Barman. Iwasawa Invariants of Elliptic Curves and p- Adic Measures. . Supervisor: Anupam Saikia Viva-voce date:

2009

1 Akhilesh Kumar. Analytical Study on Solute Transport in Streams with Transient Storage and Hyporheic Zones. . Supervisor: Durga Charan Dalal Viva-voce date:
2 Smrutiranjan Mohapatra. Water Wave Scattering by a Spherical Structure and an Undulating Bottom Topography in a Two-layer Fluid. . Supervisor: Swaroop Nandan Bora Viva-voce date:
3 Rajendra Kumar Ray. Some New Directions in HOC Methodology: Tackling Circular Geometries. . Supervisor: Jiten Chandra Kalita Viva-voce date:
4 Madhusmita Tripathy.. On the Convergence of H1-Galerkin Mixed Finite Element Method for Parabolic Problems. . Supervisor: Rajen Kumar Sinha Viva-voce date:
5 Bibhash Adhikari. Backward Perturbation and Sensitivity Analysis of Structured Polynomial Eigenvalue Problem. . Supervisor: Rafikul Alam Viva-voce date:

2008

1 SK. Safique Ahmad. Pseudospectra of Matrix Pencils and Their Applications in Perturbation Analysis of Eigenvalues and Eigendecompositions. . Supervisor: Rafikul Alam Viva-voce date:
2 Milan Nath. Certain Aspects of spectra of unicyclic graph. . Supervisor: Bhaba Kumar Sarma Viva-voce date:

2007

1 Tarakanta Nayak. Dynamics of certain transcendental entire and meromorphic functions.. Supervisor: M. Guru Prem Prasad Viva-voce date:
2 Subash Chandra Martha. Reflection and Transmission of Surface Water Waves by Undulating Bottom Topography. . Supervisor: Swaroop Nandan Bora Viva-voce date:
3 Swapan Kumar Pandit. Higher Order Compact Schemes for Incompressible Viscous Flows on Geometries beyond Rectangular. . Supervisor: Durga Charan Dalal Viva-voce date:
4 Sasmita Barik. On the Spectra and the Laplacian Spectra of Graphs. . Supervisor: Sukanta Pati Viva-voce date:

2006

1 Bhupen Deka. Finite Element Methods for Elliptic and Parabolic Interface Problems.. Supervisor: Rajen Kumar Sinha Viva-voce date:

2002

1 Shabeena Ahmed. Expansions of C-sets and D-sets having Jordan Automorphism Groups and Related Questions. . Supervisor:   Dr. Meenaxi Bhattacharjee Viva-voce date: 2002-04-01
2 Jiten Ch. Kalita. HOC Schemes for Incompressible Viscous Flows: Application and Development. . Supervisor: Durga Charan Dalal Viva-voce date:
3 Shreemayee Bora. A Geometric Analysis of Spectral Stability of Matrices and Operators. . Supervisor: Rafikul Alam Viva-voce date: