Prof. Sasmita Barik
Department : Basic Sciences
Professional Summary
Member, Research Program Evaluation Committee (RPEC), February 2023- Continuing
Associate Head, Mathematics, School of Basic Sciences, June 2022- Continuing
Chairperson, House Allotment Committee (HAC), May 2021- May 2023
Chairperson, Women Welfare Committee (WWC), March 2021- May 2023
Member, Internal Complaints Committee (ICC), August 2017-December 2020
Professor, Indian Institute of Technology Bhubaneswar, July 2024 – Continuing
Associate Professor, Indian Institute of Technology Bhubaneswar, Oct 2018 – June 2024
Assistant Professor, Indian Institute of Technology Bhubaneswar, Feb 2012 – Oct 2018
Assistant Professor, Institute of Mathematics and Applications, Bhubaneswar, Jan 2009 – Feb 2012
Postdoctoral Fellow, University of Regina, Canada, Jan – Dec 2008
Postdoctoral Fellow, Indian Statistical Institute Delhi, Feb – Dec 2007
Publications
1Sasmita Barik, Rajiv Mishra, and Sukanta Pati, On non-bipartite graphs with strong reciprocal eigenvalue property, Linear Algebra and its Applications, 699:107-128, (2024). DOI: 10.1016/j.laa.2024.06.023
2Sasmita Barik, Debabrota Mondal, Sukanta Pati, and Kuldeep Sarma, Singular graphs and the reciprocal eigenvalue property, Discrete Mathematics, 347(7):114003, (2024). DOI: 10.1016/j.disc.2024.114003
3Sasmita Barik and Piyush Verma, On spectral properties of token graphs, Linear Algebra and its Applications, 687:181–206, (2024). DOI: 10.1016/j.laa.2024.02.004
4Sasmita Barik, Subhasish Behera, and Sukanta Pati, On the smallest positive eigenvalue of bipartite graphs with a unique perfect matching, Discrete Applied Mathematics, 347: 311–318, (2024). DOI: 10.1016/j.dam.2024.01.029
5Sasmita Barik and Sane Umesh Reddy, On the A_c-rank of multidigraphs, Aequationes Mathematica, 98:189–213, (2024). DOI:10.1007/s00010-023-01020-6
6Sasmita Barik and Piyush Verma, On spectral properties of neighbourhood second Zagreb matrix of graphs, Communications in Combinatorics and Optimization, (2024). DOI: 10.22049/CCO.2023.28424.1546
7Sasmita Barik and Subhasish Behera, On integer matrices with integer eigenvalues and Laplacian integral graphs, Discrete Mathematics, 347 (1):113707, (2024). DOI: 10.1016/j.disc.2023.113707
8Sasmita Barik and Subhasish Behera, On the smallest positive eigenvalue of bipartite unicyclic graphs with a unique perfect matching II, Linear and Multilinear Algebra, 72(8):1356–1374, 2024. DOI:10.1080/03081087.2023.2177247
9Sasmita Barik and Sane Umesh Reddy, Laplacian spectra of cographs: A twin reduction perspective, Linear Algebra and its Applications, 675:203–224, (2023). DOI: 10.1016/j.laa.2023.06.022
10Sasmita Barik, Sane Umesh Reddy and Gopinath Sahoo, On singularity and properties of eigenvectors of complex Laplacian matrix of multidigraphs, AKCE International Journal of Graphs and Combinatorics, 20(2):125–133, (2023). DOI: 10.1080/09728600.2023.2234014
11Sasmita Barik and Sane Umesh Reddy, Number of cycles of small length in a graph, AKCE International Journal of Graphs and Combinatorics, 20(2):134–147, (2023). DOI: 10.1080/09728600.2023.2234421
12Sasmita Barik and Subhasish Behera, On the smallest positive eigenvalue of bipartite unicyclic graphs with a unique perfect matching, Discrete Mathematics, 346(2):113252, (2023). DOI: 10.1016/j.disc.2022.113252
13Sonu Rani and Sasmita Barik, Upper bounds on the smallest positive eigenvalue of trees, Annals of Combinatorics, 27:19–29, (2023). DOI: 10.1007/s00026-022-00619-x
14Sourav Mondal, Sasmita Barik, Nilanjan De, and Anita Pal, A note on neighborhood first Zagreb energy and its significance as a molecular descriptor, Chemometrics and Intelligent Laboratory Systems, 222:104494, (2022). DOI: 10.1016/j.chemolab.2022.104494
15Sasmita Barik, Debabrota Mondal and Sukanta Pati, Trees with the reciprocal eigenvalue property, Linear and Multilinear Algebra, 70(21): 6612–6717, (2022). DOI: 10.1080/03081087.2021.1968331
16Sasmita Barik, Sattick Ghosh and Debabrota Mondal, On graphs with strong anti-reciprocal eigenvalue property, Linear and Multilinear Algebra, 70(21): 6698–6711, (2022). DOI: 10.1080/03081087.2021.1968330
17Sasmita Barik and Sukanta Pati, Classes of nonbipartite graphs with reciprocal eigenvalue property, Linear Algebra and its Applications, 612: 177–187, (2021). DOI: 10.1016/j.laa.2020.10.039
18Sasmita Barik, Tarakanta Nayak and Ankit Pradhan, Graphs whose independence fractals are line segments, Bulletin of the Malaysian Mathematical Sciences Society, 44(1): 55–78, (2021). DOI: 10.1007/s40840-020-00936-5
19Sasmita Barik and Sonu Rani, Bounds on the ABC spectral radius of a tree, Electronic Journal of Graph Theory and Applications, 8(2): 423–434, (2020). DOI:10.5614/ejgta.2020.8.2.18
20Sonu Rani and Sasmita Barik, On alternating paths and the smallest positive eigenvalue of trees, Journal of Combinatorial Optimization, 39(2), 589–601, (2020). DOI: 10.1007/s10878-019-00503-0
21Sasmita Barik and Gopinath Sahoo, A new matrix representation of multidigraphs, AKCE International Journal of Graphs and Combinatorics, 17(1): 466–479, (2020). DOI: 10.1016/j.akcej.2019.07.002
22Sasmita Barik, Debajit Kalita, Sukanta Pati, and Gopinath Sahoo, Spectra of graphs resulting from various graph operations and products: a survey, Special Matrices, 6: 323–342, (2018). DOI: 10.1515/spma-2018-0027
23Sasmita Barik, Sonu Rani and Gopinath Sahoo, On the distance spectra and the distance Laplacian spectra of graphs with pockets, Bull. Kerala Math. Assoc., 16: 1–12, (2018).
24Sasmita Barik and Gopinath Sahoo, Results on Laplacian spectra of graphs with pockets, AKCE International Journal of Graphs and Combinatorics, 15: 79–87, (2018). DOI: 10.1016/j.akcej.2017.11.004
25Sasmita Barik and Gopinath Sahoo, Some results on the Laplacian spectra of graphs with pockets, Electronic Notes in Discrete Mathematics, 63: 219–228, (2017). DOI: 10.1016/j.endm.2017.11.017
26Sasmita Barik and Gopinath Sahoo, On the distance spectra of coronas, Linear and Multilinear Algebra, 65(8): 1617–1628, (2017). DOI: 10.1080/03081087.2016.1249448
27Sasmita Barik and Gopinath Sahoo, On the Laplacian spectra of some variants of corona, Linear Algebra and its Applications, 512: 32–47, (2017). DOI: 10.1016/j.laa.2016.09.030
28Ravindra B. Bapat, Sasmita Barik, and Sukanta Pati, On the Laplacian spectra of product graphs, Applicable Analysis and Discrete Mathematics, 9:39–58, (2015). DOI: 10.2298/AADM150218006B
29Sasmita Barik, Shaun M. Fallat, and Steve Kirkland, On Hadamard diagonalizable graphs, Linear Algebra and its Applications, 435: 1885–1902, (2011). DOI: 10.1016/j.laa.2011.03.033
30Sasmita Barik, On the Laplacian spectra of graphs with pockets, Linear and Multilinear Algebra, 56(5): 481–490, (2008). DOI: 10.1080/03081080600906463
31Sasmita Barik, Arbind K. Lal, and Sukanta Pati, On trees with Laplacian eigenvalue one, Linear and Multilinear Algebra, 56(6): 597–610, (2008). DOI: 10.1080/03081080600679029
32Sasmita Barik, Milan Nath, Bhaba K. Sarma, and Sukanta Pati, Unicyclic graphs with a strong reciprocal eigenvalue property, Electronic Journal of Linear Algebra, 17:139–153, (2008). DOI: 10.13001/1081-3810.1255
33Sasmita Barik, Bhaba K. Sarma, and Sukanta Pati, The spectrum of the corona of two graphs, SIAM Journal on Discrete Mathematics, 21(1):47–56, (2007). DOI: 10.1137/050624029
34Sasmita Barik, M. Neumann, and Sukanta Pati, On nonsingular trees and a reciprocal eigenvalue property, Linear and Multilinear Algebra, 54(6):453–465, (2006). DOI: 10.1080/03081080600792897
35Sasmita Barik and Sukanta Pati, On algebraic connectivity and spectral integral variations of graphs, Linear Algebra and its Applications, 397:209–222, (2005). DOI: 10.1016/j.laa.2004.10.015
1Smallest positive eigenvalue of graphs, WinCom (Women in Combinatorics) Virtual Conference 2024, July 15-16, 2024.
2Trees with the reciprocal eigenvalue property, Combinatorics 2024, Carovigno (Br), Italy, June 3-7, 2024.
3Smallest positive eigenvalue of graphs, 25th Conference of the International Linear Algebra Society (ILAS-2023), Universidad Politécnica de Madrid, Madrid, Spain, June 12-16, 2023.
4Smallest positive eigenvalue of graphs, International Conference on “Number Theory and Graph Theory”, Department of Mathematics, Manipal Institute of Technology, India in association with Jangjeon Mathematical Society, South Korea, January 18-20, 2023.
5Complex adjacency matrix of multidigraphs, International Conference on Recent Trends in Mathematics and Its Applications to Graphs, Networks and Petri Nets (ICRTMA-GPN-2020), JNU, New Delhi, July 20-24, 2020.
6Non-bipartite graph classes with reciprocal eigenvalue property, Conference on Linear Algebra and its Applications in honour of Ravindra B. Bapat, Indian Statistical Institute, Delhi, December 26-27, 2019.
7A new matrix representation of multidigraphs, 42nd Australasian Conference on Combinatorial Mathematics and Combinatorial Computing, UNSW Sydney, December 9-13, 2019.
8Graphs whose independence fractals are line segments, 6th India Taiwan Conference on Discrete Mathematics (VI-ITCDM 2019), IIT BHU, Varanasi, November 15-18, 2019.
9Graphs with reciprocal eigenvalue property, International Conference on Number Theory and Graph Theory, Mysore University, June 27-29, 2019.
10Graphs with the reciprocal eigenvalue property, IWM Annual Conference, IIT Bombay, June 10-12, 2019.
11A new matrix representation of multidigraphs, International Conference on Discrete Mathematics (ICDM-2018), Tiruchirappalli, India, December 14-17, 2018.
12On the spectra of bipartite multidigraphs, International Congress of Mathematicians (ICM-2018), Rio de Janeiro, Brazil, August 1-9, 2018.
13On the spectra of bipartite multidigraphs, Mini-Symposium on The Nonnegative Inverse Eigenvalue Problem in International Linear Algebra Society (ILAS) 2017 Meeting: Connections, Iowa State University, Ames, USA, July 24-28, 2017.
14On graphs with simply structured Laplacian eigenvectors, International Conference on Graph Theory and its Applications (ICGTA-2015), Amrita University, Coimbatore, India, December 16-19, 2015.
15Algebraic connectivity and characteristic set of product graphs, International Conference on Linear Algebra and Applications, Manipal University, Mangalore, December 18-20, 2014.
16On the Laplacian spectra of product graphs, International Congress of Mathematicians (ICM-2014), Seoul, Korea, August 13-21, 2014.
17On graph products and the resulting Laplacian spectra, Western Canada Linear Algebra Meeting, Manitoba, Canada, May 30-31, 2008.