International Journals:

1. Ashif Mustafa and Manideepa Saha, On fast randomized and deterministic block Gauss-Seidel methods for solving least squares problems, To appear in Numerical Linear Algebra with Applications, 2026.
2. Ashif Mustafa and Manideepa Saha, A Maximal Residual Two Subspace Projection Algorithm for Solving Least-Squares Problems,  Communications on Applied Mathematics and Computation, Vol. 8 (2026), 1226–1242, https://doi.org/10.1007/s42967-025-00495-1
3. Aritra Narayan Hisabia and Manideepa Saha, Sign patterns of semimonotone matrices, Linear Algebra and its Applications, Vol 724 (2025), 206-217, https://doi.org/10.1016/j.laa.2025.06.019
4. Aritra Narayan Hisabia and Manideepa Saha, New Properties of Semipositive Matrices and Polyhedral Cones, Operators and Matrices, Vol 19, No 2(2025), 275-294.
5. Ashif Mustafa and Manideepa Saha, Maximal residual extended Kaczmarz and Gauss-Seidel methods- convergence properties and applications,  Journal of Computational and Applied Mathematics, Vol 443, (2024), 115920,  doi: 10.1016/j.cam.2024.115920
6. Aritra Narayan Hisabia and Manideepa Saha, Semipositivity of matrices with respect to the Lorentz cone,  Electronic Journal of Linear Algebra, Vol. 39 (2023), 644-660, doi:10.13001/ela.2023.7777
7. Ashif Mustafa and Manideepa Saha, A two-dimensional randomized extended Gauss-Seidel algorithm, Numerical Algorithms, Vol. 96, 665–686 (2024), https://doi.org/10.1007/s11075-023-01661-3
8.  Jahnabi Chakravarty and Manideepa Saha, Generalized interval AOR method for solving interval linear equations, Mathematical Foundation of Computing, Vol. 8(1), (2025), 16-35, doi: 10.3934/mfc.2023035 
9. Aritra Narayan Hisabia and Manideepa Saha, Algebraic and Geometric Properties of   Ln+-semipositive matrices and Ln+-semipositive cones, Linear Algebra and its Applications,  Vol. 672, (2023), 210-227.
10. Jahnabi Chakravarty and Manideepa Saha,  Generalization of Interval Jacobi and Gauss-Seidel Methods for Interval Linear System,  Journal of Computational Analysis and Applications, Vol. 31(3), (2023) , 345-365. 
11.  B. Ghosh, B. Barman and M. Saha,  Multiple dynamics in a delayed predator-prey model with asymmetric functional and numerical responses,  Mathematical methods in Applied Sciences, (2022), doi:10.1002/mma.882
12. Ashif  Mustafa and Manideepa Saha,  A  generalized projection iterative method for solving non-singular linear systems,  Mathematical Foundations of Computing, Vol. 5(4), (2022),  343-350. doi: 10.3934/mfc.2022009
13. Jahnabi Chakravarty, Ashiho Athikho  and Manideepa Saha, Convergence of Internal AOR Method for Linear  Interval Equations, Numerical Algebra, Control and Optimization (2022),  Vol. 12(2), 293-308.
14.  Manideepa Saha, On Some Generalized inverses of M_v-matrices, Operator and Matrices, Vol. 15 (2021), 1227-1240.
15. Aritra Narayan Hisabia and Manideepa Saha, On Properties of Semipositive Cones and Simplicial Cones,   Electronic Journal of  Linear Algebra, Vol. 36 (2020), 764-772
16.  Manideepa Saha and Jahnabi Chakravarty,  Generalized SOR, Jacobi and Gauss–Seidel Methods for Linear Systems. Int. J. Appl. Comput. Math 6, 77 (2020). https://doi.org/10.1007/s40819-020-00830-5
17. Manideepa Saha and Sriparna Bandopadhyay, Combinatorial properties of generalized M- matrices,  Vol. 30 (2015), 550-576, doi: 10.13001/1081-3810.1974.

Books:

Ph.d Students guided

1. Binandita Barman, Thesis title: Delay-induced stability analysis and harvesting results in some population models, Date of Award: 24.07.2022, Role: Co-supervisor.
2. Aritra Narayan Hisabia, Thesis title:  On Semipositivity of Matrices related to Nonnegative Orthant and Lorentz Cone, Date of Submission: 16.06.2023, Date of Defence: 26.09.2023
3. Jahnabi Chakravarty, Thesis title: Iterative Method for Solving Interval Linear Systems, Date of submission: 07.08.2023, Date of Defence: 30.10.2023.
4. Ashif Mustafa, Thesis title:  On Projection Based Iterative Methods to Solve Large Linear Systems: Date of submission: 19.12.2023, Date of Defence: 28.08.2024.

Ongoing Ph.d students

1. Sovrin Pal
2. Bikash Bayan
3. Subham Saha
4. Himangshu Barman

Ongoing M. Sc students

1. SAISMRUTI SABAT

2. HARSHITA MADHUKALYA

Guided M.Sc Students

1. Jeffree Sympli, Topic: A Study on Spectral Properties of Signed Graphs, Year: 2025-26
2. Naphibaiar Nongrem, Topic : Applications and Recognition of Interval Graphs, Year: 2025-26
3. Dushyant Rajput, Topic: A Study on Eigenvalues for Sign Pattern matrices, Year: 2024-25
4. Sangeeta  Saikia, Topic: Descent and Conjugate Gradient Methods for Unconstrained Optimization Problems, Year: 2023-24 
5. Santoshi Subhalaxmi Ray, Topic: Numerical methods for solving optimization problems , Year: 2022-23
6. Ashish Mahanta, Topic: Projection methods for solving linear systems, Year: 2021-22.
7. Shashikant Pandey, Topic: Fixed Point Theorems on Generalized Metric Spaces, Year: 2020-21
8. Sabi Biswas, Topic: Linear complementarity problem and Semimonotone matrices, Year:2019-20
9. Pujashree Buragohain, Topic: LU- and block LU-factorization of M-Matrices, Year: 2019-20
10. Ashiho Athiko , Topic:  Interval methods for systems of equations, Year: 2018-19
11. Jahnabi Chakravarty, Topic: Iterative methods for solving system of linear equations, Year: 2017-18

1. International Conference on Linear Algebra and its Application (ICLAA 2025), Centre for Advanced Research in Applied Mathematics and Statistics, MAHE, Manipal, India, December 17-20, 2025.
2. 26th Conference of the International Linear Algebra Society (ILAS 2025),  National Sun Yat-sen University, Kaohsiung, Taiwan, June 23-27, 2025. 
3. International Conference on the History of Mathematics(ICHM)-2023-24, IIT Guwahati, January 19-21, 2024
4. 38th Annual Conference of the Ramanujan Mathematical Society, Dept. of Mathematics, IIT Guwahati, December 22-24, 2023.
5. Virtual Workshop on Collating Mathematics Resources for Teachers in Higher Education(online), October 7-8, 2020,  at National Institute of Educational Planning and Administration
6. "On Semipositive Cones and their Extremals" presented  on Alumni Symposium On Mathematics And Computing (Online),  September 19-20, 2020 at IIT Guwahati
7. National Conference on Recent Trends in Mathematics and its Applications 2019 (NCRTMA2019) on December 20-21, 2019 at Department of Mathematics, GITAM Bengaluru
8. "Convergence of Generalized Jacobi, Gauss-Seidel and SOR Methods for various classes of matrices" presented on  ICLAA 2019- International Conference on Linear Algebra and its Applications,  January 21-22, 2019 at London, United Kingdom.
9. Summer Training Program on Active Learning for Senior Faculty held during July 2-6, 2018 at IIT Indore, India
10. Workshop on Outcome Based Accreditation (Challenges and Opportunities) at NIT Meghalaya during September 22-23, 2018 at NIT Meghalaya.
11. Attended GIAN course on “Matrices with Positive Principal Minors: Theory and Applications” in the period December 18-22, 2017
12.  “Generalized Jacobi and Gauss-Seidel method for solving non-square linear systems” presented on ”International Conference on Matrix Analysis and its Applications” held in the period September 25-29, Poland, 2017.
13.  Attended “Workshop on matrices and graphs”, January 2-7, 2017, SMIT, Sikkim, India.
14.  Attended workshop “Indian Women & Mathematics : Regional Workshop on Research and Opportunity” held in the period February 19-20, 2016, IIT Guwahati, India.
15.  Attended workshop on “Accreditation and Transformation of Technical Education” held in the period January 22-23, 2016, NIT Meghalaya, India.
16. Attended workshop on “Mathematical Analysis and its Applications to Engineering”,held in the period January 02-04, 2016, IIT Guwahati, India.
17.  “Iterative method for linear system with coefficient matrix as an M_v -matrix” presented on the conference MAT-TRIAD conference held in the period September 7-11, 2015, University of Coimbra, Portugal.
18. “Characterization of M_v -matrices” presented on the conference “International Conference on Linear Algebra and its applications” held in the period December 18-20, 2014 at Manipal University, India.
19.  Attended workshop on “EngineeringCurriculum and Instructional Design” held in the period June 5-7,2014, NIT Meghalaya.
20.  “A constructive method for obtaining a preferred basis from a quasi-preferred basis for M -matrices” presented at International Conference of Numerical Linear algebra held in the period January 15-18, 2013, IIT Guwahati, India.
21. “Combinatorial bases for the generalized null space and height and level characteristics on M ? -matrices” presented on the workshop “Linear Algebra and Matrix Theory: connections, applications and computations” held on December 3-7, 2012 at NUI Galway, Ireland.
22. Advanced Training workshop on Numerical Linear Algebra, December 7-13, 2012, at IIT Guwahati.
23. Advanced Instructional School on Numerical Linear Algebra , December 2-22, ,2010. at IIT Guwahati.

Current Semester (Spring 2026)

1. Engineering Mathematics II (MA102), Spring 2026
2. Operation Research (MA 550), Spring 2026

Previous/Other Semester/Year
BTech-Courses:

• Mathematics-I/ Differential Calculus and Linear Algebra (MA101)
• Mathematics II (MA102)
• Integral Transforms & PDEs (MA201)
• Scientific Computing (MA203)
• Mathematics Laboratory(MA 210)

MTech/M.Sc/Ph.D Courses:

•  Real Analysis (MA 401)
•  Complex Analysis (MA 402)
•  Integral Transforms and Integral Equations (MA501)
• Graph Theory (MA531)
•  Topology (MA536)
•  Linear Algebra (MA 403/MA402)
•  Numerical Analysis (MA 407)
•  Numerical Analysis Lab (MA 481)
•  Number Theory (MA405)
•  Abstract Algebra (MA 404)
•  Operation Research (MA533/550)
•  Analysis (MA702)
•  Advanced Engineering Mathematics (MA701)
•  Topics in Matrix Analysis (MA705)
• Introductory Measure Theory/Measure Theory and Integration (MA 501/MA408)

1. Associate Professor, Department of Mathematics, National Institute of Technology Meghalaya, August 12, 2024-till date
2. Assistant Professor, Department of Mathematics, National Institute of Technology Meghalaya, July 22, 2013 - August 11, 2025.
3. Visiting Researcher, Institute of Mathematics, Technical University Berlin, October 2011 to April 2012
4. Teaching Assistant as a research scholar in the department of mathematics at IIT Guwahati from 2008 to 2013

1. Delivered a talk “On Lorentz Cone Semipositivity of Matrices” on 38th Annual Conference of the Ramanujan Mathematical Society, December 22-24, 2023, at Department of mathematics, IIT Guwahati
2. Delivered a talk “Cone Theoretic Approach to Matrix Theory” on National Webinar on Some Emerging Areas in Pure Mathematics (online), September 16-17, 2022, at Department of Mathematics, St. Anthony’s College, Shillong.
3. Delivered a talk “Various Classes of Matrices and their Properties and Applications” on Recent Advancement in Mathematics & Statistics (Online), November 06, 2021, Sankardev College Shillong.
4. Delivered a talk “Linear Algebra” on Virtual Workshop on Collating Mathematics Resources for Teachers in Higher Education, National Institute of Educational Planning and Administration, October 7-8, 2020.
5. Delivered a talk “LU-factorization of M-matrices” on National Conference on Recent Trends in Mathematics and its Applications 2019 (NCRTMA2019), Department of Mathematics, GITAM, Bengaluru, December 20-21, 2019.
6. Delivered a talk “Nonnegative matrices : Theory and applications” on Workshop on matrices and graphs,  Department of Mathematics, SMIT, Sikkim,  January 2-7, 2017.
7. Delivered a talk “Recent Trends in Linear Algebra” on Recent Trends in Mathematics and Research avenue for teachers at St. Anthony College, Shillong, November 26, 2016.