1Sasmita Barik and Piyush Verma, Bounds for the smallest positive eigenvalue of unicyclic graphs with diameter at most 4, Discrete Mathematics, 348(11):114574, (2025). DOI: 10.1016/j.disc.2025.114574
2Sasmita Barik and Debabrota Mondal, On the limit points of the smallest positive eigenvalues of graphs, Linear Algebra and its Applications, 715:1--16, (2025). DOI: 10.1016/j.laa.2025.03.006
3Sasmita Barik and Subhasish Behera, On the smallest positive eigenvalue of caterpillar unicyclic graphs, Discrete Applied Mathematics, 367:89--98, (2025). DOI: 10.1016/j.dam.2025.02.002
4Sasmita Barik, Madhab Mondal, and Sirshendu Pan, A $q$-analogue of the distance matrix of a tree with matrix weights, Linear and Multilinear Algebra, 73(7):1423--1447, (2025). DOI: 10.1080/03081087.2024.2430954
5Sasmita Barik, Subhasish Behera, and Steve Kirkland, Bipartite unicyclic graphs with a unique perfect matching having the smallest positive eigenvalue equal to √2−1, Linear and Multilinear Algebra, 73(6):1019--1039, (2025). DOI:10.1080/03081087.2024.2404453
6Sasmita Barik and Tahir Shamsher, Sharp lower bounds for the Laplacian Estrada index of graphs, Linear and Multilinear Algebra, 73(5):849--864, (2025). DOI: 10.1080/03081087.2024.2396132
7Sasmita Barik and Piyush Verma, On spectral properties of neighbourhood second Zagreb matrix of graphs, Communications in Combinatorics and Optimization, 10(2):275--293, (2025). DOI: 10.22049/CCO.2023.28424.1546
8Sasmita Barik, Debabrota Mondal, Sukanta Pati, and Kuldeep Sarma, Corrigendum to “Singular graphs and the reciprocal eigenvalue property” [Discrete Math. 347 (2024) 114003], Discrete Mathematics, 348(1):114198, (2025). DOI: 10.1016/j.disc.2024.114198
9Sasmita Barik and Pragati Asutosh Jena, Brouwer’s conjecture for the corona and edge corona of graphs, AKCE International Journal of Graphs and Combinatorics, Accepted, (2024).
10Sasmita Barik and Piyush Verma, On the neighborhood first Zagreb spectral radius and the
neighborhood first Zagreb energy of graphs, AKCE International Journal of Graphs and Combinatorics, Accepted, (2024).
11Sasmita 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
12Sasmita Barik, Subhasish Behera, and Debabrota Mondal, On invertible non-bipartite unicyclic graphs with a unique perfect matching and their smallest positive eigenvalues, Electronic Journal of Linear Algebra, 40:636--653, (2024). DOI: 10.13001/ela.2024.8519
13Sasmita 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
14Sasmita 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
15Sasmita 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
16Sasmita 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
17Sasmita 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
18Sasmita 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
19Sasmita 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
20Sasmita 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
21Sasmita 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
22Sonu 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
23Sasmita 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
24Sourav 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
25Sasmita 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
26Sasmita 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
27Sasmita 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
28Sasmita 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
29Sasmita 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
30Sonu 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
31Sasmita 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
32Sasmita 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
33Sasmita 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).
34Sasmita 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
35Sasmita 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
36Sasmita 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
37Sasmita 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
38Ravindra 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
39Sasmita 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
40Sasmita Barik, On the Laplacian spectra of graphs with pockets, Linear and Multilinear Algebra, 56(5): 481--490, (2008). DOI: 10.1080/03081080600906463
41Sasmita 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
42Sasmita 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
43Sasmita 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
44Sasmita 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
45Sasmita 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
