Current Position(s)

• Professor of Mathematics, Dibrugarh University
• Director, Internal Quality Assurance Cell (IQAC), Dibrugarh University
• The Chief Editor, Mathematical Forum(The Departmental Journal,  indexed in UGC-CARE)
• Director(Hon.), CIQA, Centre for Distance and Online Education, Dibrugarh University

Previous Experiences

• Professor and Head, Department of Mathematics, Dibrugarh University: Oct 2022 to May 2023
• Associate Professor and Head, Department of Mathematics, Dibrugarh University: June 2020 to Oct 2022
• Associate Professor, Department of Mathematics, Dibrugarh University: July 2019 to June 2020
• Assistant Professor, Department of Mathematics, Dibrugarh University: March 2009 to July 2019

Areas of Interest

Graph Theory, Complex Networks

Contact

+919954293291(M)

 0373-2370251(O)

Email: [email protected]
             [email protected] 

Education

Ph. D., in Mathematics, Dibrugarh University, India.

Thesis Title: Study on Some Graph Theoretical Aspects of Traffic Control Problems.

Supervisor: Prof. A. K. Baruah.

M. Sc., in Mathematics & Computing

Indian Institute of Technology Guwahati, India.

B. Sc., in Mathematics  (Best Graduate)

J. B. College, Assam under Dibrugarh University, India.

Awards/ Fellowships/Other qualifications

• Teachers Associateship for Research Excellence (TARE) from SERB, DST (2021-24)
• International Travel Support (ITS) from SERB, DST in July 2016
• Joint CSIR-UGC JRF(NET) 
• JAM, GATE qualified
• Best Graduate of Dibrugarh University

Research Profile

https://dibru.irins.org/profile/245434

Other Responsibilities 

• Nominated as Board Member, Board of Secondary Education (SEBA), Assam (2021-2024)
• Nominated as Member, Governing Body, Tinsukia College, Assam (2023-)
• Member, External Academic and Administrative Teams (2024-)
• Member, Board of Studies, Madhabdev University, Assam (2023-)
• Member, Academic Council, Dibrugarh University (2020-)
• Member, Dibrugarh University Court (2020)
• Member, DUPGET Board, Dibrugarh University (2020-)
• Member, Board of Studies in Mathematics, J B College (Autonomous), Jorhat (2018-)
• Member, Board of Management (BoM) of Centre for Computer Science and Application, DU (2021-)
• Chairperson, Board of Studies in Mathematics, Dibrugarh University (2020-2023)
• Chairperson, DRC in Mathematics, Dibrugarh University (2020-)
• Chairperson, DMC in Mathematics, Dibrugarh University in 2018, 2023
• Member, DMC in Mathematics, Dibrugarh University

Research Scholars

Talk/Seminar/Workshop/Conference Attended 

Quasi-Academic

• Nominated to Particiapte in a 2-day workshop on Management of Finances in Higher Education Institutions, organized by National Institute of Educational Planning and Administration (NIEPA) at Imphal during 20-21 March 2024.
• Participated in a two-day national seminar on Opportunity and Challenges of Quality Research and Teaching in Higher Education Institutions (HEIs), organized by Vidyasagar University, West Bengal during Dec 19-20, 2023.
• Nominated to participate in a Three-day workshop on Leadership Development for University Deans and Head of Departments, organized by National Institute of Educational Planning and Administration (NIEPA), New Delhi during 23-25 November 2022.

Academic

• Attended 38th Annual Conference of Ramanujan Mathematical Society held at IIT Guwahati during 22-24 December 2023.
• Invited to deliver a series of talks on Publication Ethics and Scientometrics in the Workshop on Research and Publication Ethics, organized by J B College (Autonomous), Jorhat during 9-14 October 2023.
• Invited to deliver a talk on Publication Ethics, organized by Birangana Sati Sadhani Rajyik Visavidyalaya, Assam on 05 November 2022.
• Invited to deliver a talk on Linear Algebra at the Annual Lecture Program by Dept of Mathematics, B. Borooah College, Guwahati on 16 July 2022.
• Invited to deliver a talk in National Webinar on Linear Algebra & Number Theory, organized by Dept of Mathematics, Kohima Science College (An Autonomous Govt P. G. College), Nagaland on November 9, 2021.
• Invited to deliver a talk in Enrichment Lecture Series, organized by Dept. of Mathematics, USTM, Meghalaya on October 4, 2021.
• Invited to deliver a talk in the 5-day FDP on Artificial Intelligence under ATAL Academy, organized by UCET, Vinoba Bhave University, Jharkhand during 20-24 September, 2021.
• Delivered a talk on ''Some Results Related to Inverse Sum Indeg Index of Graphs" in 7th IFS and Comtemporary Mathematics, held in Turkey during May 25-29, 2021 
• Invited to deliver a talk in TEQIP workshop on Mathematics and its Applications in Engineering & Technology, organized by Vinoba Bhabe University, Jharkhand during February 22-24, 2021.
• Invited to deliver a talk in the workshop on Domination Theory and Topological Indices, organized by Mangalore University during February 4-6, 2021.
• Invited to deliver a talk in the International Conference on recent trends in Graph Theory, organized by Karnatak University during July 27-29, 2020.
• Invited to deliver a talk in the national workshop on Analysis and Linear Algebra, organized by DHSK College, Assam during July 23-24, 2020.
• Invited to deliver a talk on "Network criticality and a novel measure of functionality of network" in the International Webinar on Recent Trends in Pure and Applied Mathematics, organized by Raghunathpur College, West Bengal during July 9-11, 2020.
• Invited to deliver a talk on "Data Clustering in Machine Learning: An Introduction" in workshop on "Data Analysis with R" organized by Centre for Computer Science and Applications, DU on 25 October, 2019.
• Invited to deliver a talk on "Linear Algebra and its Applications in Engineering Sciences" in TEQIP STC organized by DUIET, Dibrugarh University during 12-16 August, 2019.
• Participated in TEQIP STC on “Scientific Computing and Industrial Problems” organized by IIT Kharagpur during 19-23 November, 2018.
• Invited to deliver lectures on "Linear Algebra" in the "Orientation Program for NET" organized by Department of Mathematics, Gauhati University on 17 February, 2018. 
• Invited to deliver a talk on “Geometric approach to linear algebra” organized by Kakojan College, Jorhat on 26 August, 2017.
• Presented a paper entitled “Eigenvector centrality and network criticality in analysis of robustness and reliability for road traffic networks” in 9^th IMA International conference on Modelling in industrial maintenance and reliability (MIMAR) at Imperial College London during July 12-14, 2016. (sponsored by DST under ITS)
• Participated in a workshop on “Development of self-learning materials” organized by Distance and Open Learning, DU during June 15-21, 2015.
• Presented a paper entitled “On eigenvector centrality as a measure of compatibility of a traffic intersection” in International seminar on Game theory and its applications to Social and Economic networks, organised by Department of Mathematics, Dibrugarh University during December 10-12, 2014.
• Invited to deliver a talk on “Mathematical computation using MATLAB” organised by J. B. College, Jorhat on 28 Jan, 2014.
• Presented a paper entitled “On robustness of traffic networks” in RTMA-2013 organised by Digboi College during October 7-8, 2013.
• Participated in a workshop on “Development of self-learning materials” organised by Distance and Open Learning, DU during February 17-23, 2013.
• Presented a paper entitled “A measurement of compatibility of a traffic intersection” in NSMA organised by Dept. of Mathematics, Burdwan University during March 28-29, 2012.
• Participated in a workshop on “Introduction to graph and geometric algorithms” organised by IIT Guwahati during October 21-23, 2011.
• Acted as a Resource person in “Excursion in Mathematics” sponsored by NBHM organised by Assam Academy of Mathematics during July 1-6, 2011.
• Participated in workshop on “Numerical and Statistical computation using MATLAB software” organised by Department of Statistics, Dibrugarh university during March 21-25, 2011.

Workshop/Conference Organized

• FDP on Design and Implementation of Outcome-Based Curriculum during April 2-6, 2024 in collaboration with NITTTR Kolkata.
• International Conference on Mathematical Modelling in Applied Sciences during June 28-30, 2020 as Convener.
• Teachers Enrichment Workshop (TEW) on Real Analysis, Algebra and Linear Algebra during Sep 30-Oct 5, 2019. (Sponsored by National Centre for Mathematics) (Jointly with Dr Palash Dutta)
• National Workshop on Network Modelling and Graph Theory during December 14-16, 2017. (Sponsored by UGC)

Research Article

       Recent Publications (from 2019 onwards) 

1. A. Bharali, Monjit Chamua, J. Buragohain, T Boruah (2024) An Interpretation of second-order neighborhood Harmonic index, Journal of Applied Mathematics and Computing, https://doi.org/10.1007/s12190-024-02213-1 
2. A. Bharali, Bikash Bhattacharjya, Sumanta Borah, Idweep J Gogoi (2024) On Spectra of Hermitian Randic Matrix of Second Kind, Journal of Algebraic Systems, (Accepted). https://doi.org/10.22044/JAS.2024.13993.1787 
3. Monjit Chamua, J. Buragohain, A. Bharali (2024) Some Novel Neighborhood Degree Sum-Based vs Degree-Based Topological Indices in QSPR Analysis of Alkanes from n-Butane to Nonanes, International Journal of Quantum Chemistry, 124(1), e27292.  https://doi.org/10.1002/qua.27292 
4. Idweep J Gogoi, Sumanta Borah, A. Bharali (2024) On Zagreb Energies of Some Operations, Journal of Algebraic Systems (Accpted). https://doi.org/10.22044/JAS.2024.14103.1799 
5. J. Buragohain, A. Bharali (2023) On Generalized ISI index of Tree and Unicyclic Graphs, AIP Conference Proceedings, 2699(1), p.020011. https://doi.org/10.1063/5.0139881
6. Abhigyan Mahanta, A. Bharali (2023) On Second Harmitian-Zagreb Matrix and Hermitian-Zagreb Energy, AIP Conference Proceedings, 2699(1), p.020012. https://doi.org/10.1063/5.0140808 
7. Aditya Pegu, Sumanta Borah, A. Bharali (2023) Predictive Ability of Some Neighborhood Degree-Based Topological Indices for Antituberculosis Drugs, Indian J Sci Technol, 16(26), pp. 1986-1996. https://doi.org/10.17485/IJST/v16i26.615 
8. Idweep J. Gogoi, Monjit Chamua, A. Bharali (2023) Computation of M-polynomial and Topological indices of Boron Kagome Lattice, Biointerface Research in Applied Chemistry, 13(1), p. 59.
9. Monjit Chamua, Rubul Moran, Aditya Pegu, A. Bharali (2022) M-Polynomial and Neighbourhood M-polynomial of Somce Concise Drug Structures: Azacitidine, Decitabine and Guadecitabine, Journal of Molecular Structure, 1263, p. 133197, https://doi.org/10.1016/j.molstruc.2022.133197
10. M. Chamua, J Buragohain, A Bharali, M E Nazari (2022) Predictive Ability of Neighborhood Degree Sum Based Topological Indices of Polycyclic Aromatic hydrocarbons, Journal of Molecular Structure, 1270, 133904, https://doi.org/10.1016/j.molstruc.2022.133904 
11. A. Bharali, J. Buragohain, A. Doley (2022) QSPR Analysis of Some Novel Extension and Generalization of Sombor Index, Iranian J. of Mathematical Chemistry, 13(1), pp.73-84. https://doi.org/10.22052/IJMC.2022.246111.1613
12. Abhigyan Mahanta, Idweep J. Gogoi, A. Bharali (2022) A note on Zagreb Spectra and Zagreb Laplacian Spectra of Two Weighted Corona Networks, Advanced Mathematical Models & Applications, 7(1), pp. 60-68.
13. M E Nazari, M. Chamua, A Bharali, N K Sarma, R. Saikia (2022) M-Polynomial of Some Operations of Path and K-Banhatti Indices, Mathematical Statistician and Engineering Applications, 71(3s3), pp. 38-55
14. Priyanaka Agarwal, A Bharali, M. Cancan, M R Farahani, M. Alaeiyan (2022) The Variance, Skewness and Limiting Behavior of the Wiener Index for Random Pentagonal Chain, Mathematical Statistician and Engineering Applications, 71(3s3), pp. 25-37.
15. Abhigyan Mahanta, Idweep J. Gogoi, A. Bharali (2021) A note on the generalized adjacency, Laplacian and signless Laplacian spectra of the weighted edge corona networks, Physica A, 581, p. 126241, https://doi.org/10.1016/j.physa.2021.126241 
16. A. Bharali, Aditya Pegu, J. Buragohain, Budheswar Deka (2021) Generalized ISI index of Certain Families of Nanostar Dendrimers, Journal of Interdisciplinary Mathematics, 24(7), pp. 2021-2034. https://doi.org/10.1080/09720502.2021.1995181
17. A. Bharali, Aditya Pegu, Priyanka Agarwal, Monjit Chamua (2021) On M-Polynomial and Some Topological Indices of Favipiravir (T-705) and Ribavirin, Journal of Discrete Mathematical Sciences & Cryptography, 24(7), pp. 2121-2135. https://doi.org/10.1080/09720529.2021.2014149 
18. Bablee Phukan, Idweep J. Gogoi, A. Bharali (2021) Adjacency and Laplacian Spectra of New Graph Operations Based on Indu-Bala Product of Graphs, J. Adv. Math. Stud. 14(3), pp. 362-371.
19. Rubul Moran, Niranjan Bora, A. K. Baruah, A. Bharali (2021) ST-coloring of Some Products of Graphs, J. Math. Comput. Sci., 11(1), pp. 337-347.
20. I. J. Gogoi, B. Phukan, A. Pegu, A. Bharali (2021) On Laplacian spectra of some corona product graphs and applications, Advances in Mathematics: Scientific Journal, 10(3), pp. 1259-1271. 
21. A. Bharali, A. Mahanta, I. J. Gogoi, Amitav Doley (2020)  Inverse Sum Indeg Index and ISI Matrix of Graphs, Journal of Discrete Mathematical Sciences & Cryptography, 23(6), pp. 1315-1333. https://doi.org/10.1080/09720529.2020.1815340
22. A. Bharali, A. Doley, J. Buragohain (2020) Entire forgotten topological index of graphs, Proyecciones 39(4), pp. 1019-1032.
23. J. Buragohain, A. Mahanta, A. Bharali (2020) Four new operations of graphs and Zagreb indices, J. Math. Comput. Sci. 10(6), pp. 2516-2531.
24. Amitav Doley, J. Buragohain, A. Bharali (2020) Inverse sum indeg status index of graphs and its applications to octane isomers and benzenoid hydrocarbons, Chemometrics and Intelligent Laboratory Systems 203, p. 104059. https://doi.org/10.1016/j.chemolab.2020.104059
25. R. Moran, N. Bora, A. K. Baruah, A. Bharali (2020) ST-coloring of Join and Disjoin union of graphs, Advances in Mathematics: Scientific Journal, 9(11), pp. 9393-9399.
26. Budheswar Deka, A. Bharali (2020) The Generalized ISI index of Some Derived Networks, J. Adv. Math. Stud. 13 (2), pp. 179-191.
27. J. Buragohain, B. Deka, A. Bharali (2020) A Generalized ISI Index of Some Chemical Structures, Journal of Molecular Structure, 1208, p. 127843.https://doi.org/10.1016/j.molstruc.2020.127843
28. Budheswar Deka, A. Bharali (2020) Computing General Zagreb Indices of Some Carbon Nanotubes, Math. Forum 27,  pp. 101-122.
29. A. Mahanta, J. Buragohain, A. Bharali (2020) The ISI Index of Edge-Semitotal and Total Graphs, Mathematical Modeling and Computational Tools, Springer Proceedings in Mathematics & Statistics 320, pp. 391-402.
30. Amitav Doley, A. Bharali (2020) The Inverse Sum Indegree Index for R-sum of Graphs, Mathematical Modeling and Computational Tools, Springer Proceedings in Mathematics & Statistics 320,  pp. 347-357.
31. Dimpee Baruah, A. Bharali (2020) Analysis of Three Major Airline Networks of India: A Complex Network Approach, Mathematical Modeling and Computational Tools, Springer Proceedings in Mathematics & Statistics 320, pp. 503-513.
32. J Buragohain, A. Mahanta, A. Bharali (2020) Four New Operations of Graphs Related to Tensor Product and Zagreb Indices, Mathematical Modeling and Computational Tools, Springer Proceedings in Mathematics & Statistics 320, pp. 403-412.
33. Amitav Doley, Budheswar Deka, A. Bharali (2020) Misbalance Degree matrix and related Energy of Graphs, J. Math. Comput. Sci. 10 (3), pp. 436-447.
34. Dimpee Baruah, A. Bharali (2019) Comparison of the Airline Networks of India with ANI Based on Network Parameters, Lecture Notes in Computer Science 11941, pp. 74-81.
35. A. Bharali, J Buragohain, A. Mahanta (2019) On Zagreb indices of two new operations of graphs, Comm. Math. Appl. 10(3), pp. 415-427.
36. A. Bharali, A. Mahanta, J. Buragohain (2019) Forgotten topological index and reduced Zagreb index of four new operations of graphs, Gen. Math. 27(1), pp. 45-56.
37. Amitav Doley, A. Bharali (2019) Some bounds on inverse sum indeg index of some graph operations, Adv. Appl. Discr. Math. 21(2), pp. 119-137.
38. A. Bharali, Dimpee Baruah (2019) On network criticality in robustness analysis of a network structure, Malaya Journal of Matematik 7(2), pp. 223-229.
39. A. Bharali, Nijara Konch (2019) Some results on augmented Zagreb index of some trees and unicyclic graphs, Creat. Math. Inform. 28(1), pp. 41-47.

Book

1.  Edited "Numerical Analysis and Scientific Computing", a Self Learning Material of DODL, Dibrugarh University, 2017, ISBN: 978-93-82785-66-8. 
2.  Edited "Operations Research", a Self Learning Material of DODL, Dibrugarh University, 2018, ISBN: 978-93-82785-92-7.

Chapter in a book

1. Inverse sum indegree index of subdivision, t-subdivision graphs and related sums, in Pal, M., et al. (Eds.) Handbook of Research on Advanced Applications of Graph Theory in Modern Society, 104-119, 2019, IGI-global, USA. (with A. Doley and J. Buragohain)  
2. A novel weighted First Zagreb index of graph, in Pal, M., et al. (Eds.) Handbook of Research on Advanced Applications of Graph Theory in Modern Society, 92-103, 2019, IGI-global, USA. (with J. Buragohain)
3. Some S-degree Based Topological Indices of Silicates Layer, in Rodini, L. G. (Ed.) Advances in Mathematics and Computer Science, Vol. 4, 53-60, 2019. (with B. Deka and A. Mahanta)
4. On Randic index and its related matrices,  in Advanced Mathematics: Theory and Applications (Vol II), ed. Taekyun Kim, 297-309, 2018 (with J. Buragohain) 
5. S degree and R degree based Topological Indices, in Advanced Mathematics: Theory and Applications (Vol II), ed. Taekyun Kim, 331-341, 2018 (with Rajdeep Bora)  
6. Centrality Measures in Complex Network Analysis: A Case Study, in Advanced Mathematics: Theory and Applications (Vol II), ed. Taekyun Kim, 357-364, 2018 (with Dimpee Baruah) 
7. A Note on ABC Matrix and ABC energy, in Advanced Mathematics: Theory and Applications (Vol II), ed. Taekyun Kim, 287-296, 2018 (with A. Mahanta)
8. Supply chain system in e-tailing as a complex network, in Digital India-a road ahead, ed. Tazyn Rahman, 151-155, 2017 (with Dimpee Baruah)
9. Complete set of signal groups of traffic streams in an isolated traffic intersection, in Advanced Mathematics: Theory and Applications, ed. Taekyun Kim, 163-173, 2017. (with A. K. Baruah) 

M. Sc. :  Algebra, Linear Algebra, Real Analysis, Complex Analysis, Algebraic Graph Theory, Probability Theory and Statistics, Combinatorics, Computer Programming.

M. Phil. : Complex Networks and Graph Measures

Ph. D. : Traffic Theory and Graph Measures, Linear Algebra and Real Analysis 

1. TARE (2021-2024): SERB, DST funded project on Randic Matrix and ABC Matrix of Graphs under Teachers Associateship for Research Excellence, in collaboration with IIT Guwahati. Total Amount: Rs. 18.30 Lacs. (File No.: TAR/2021/000045)

2. UGC Major Project (2011-14): UGC funded project on Graph Theoretic Modeling in Traffic Control Problems (with Prof. A K Baruah). Total Amount: Rs. 10.47 Lacs. (Sanction Letter No.:39-54/2010 (SR))