Autumn 2019:
Mathematics I (MA1L001: B.Tech 1st Semester),
Discrete Mathematics (MA5L003: M.Sc. 1st Semester),
Algebraic Graph Theory (MA7L015: M.Sc/ Ph.D).
Recent Publications (International Journals)
Sasmita Barik and Gopinath Sahoo, A new matrix representation of multidigraphs, AKCE International Journal of Graphs and Combinatorics, https://doi.org/10.1016/j.akcej.2019.07.002, (2019).
Sasmita 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).
Sasmita 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).
Sasmita Barik and Gopinath Sahoo, Results on Laplacian spectra of graphs with pockets, AKCE International Journal of Graphs and Combinatorics, 15: 79-87, (2018).
Sasmita Barik and Gopinath Sahoo, Some results on the Laplacian spectra of graphs with pockets, Electronic Notes in Discrete Mathematics, 63: 219-228, (2017).
Sasmita Barik and Gopinath Sahoo, On the distance spectra of coronas, Linear and Multilinear Algebra, 65(8): 1617-1628, (2017).
Sasmita Barik and Gopinath Sahoo, On the Laplacian spectra of some variants of corona, Linear Algebra and its Applications, 512: 32-47, (2017).
Sasmita Barik, Ravindra B. Bapat, Sukanta Pati, On the Laplacian spectra of product graphs, Applicable Analysis and Discrete Mathematics, 9: 39–58, (2015).
Sasmita Barik, Shaun M. Fallat, and Steve Kirkland, On Hadamard diagonalizable graphs, Linear Algebra and its Applications, 435: 1885–1902, (2011).
Sasmita Barik, On the Laplacian spectra of graphs with pockets, Linear and Multilinear Algebra, 56(5): 481-490, (2008).
Sasmita Barik, Arbind K. Lal, and Sukanta Pati, On trees with Laplacian eigenvalue one, Linear and Multilinear Algebra, 56(6): 597-610, (2008).
Sasmita 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).
Sasmita 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).
Sasmita Barik, M. Neumann, and Sukanta Pati, On nonsingular trees and a reciprocal eigenvalue property, Linear and Multilinear Algebra, 54(6):453-465, (2006).
Sasmita Barik and Sukanta Pati, On algebraic connectivity and spectral integral variations of graphs, Linear Algebra and its Applications, 397:209-222, (2005).
Conferences (International)
S. Barik, A new matrix representation of multidigraphs, International Conference on Discrete Mathematics (ICDM-2018), Tiruchirappalli, India, December 14-17, 2018.
S. Barik and G. Sahoo, On the spectra of bipartite multidigraphs, International Cogress of Mathematicians (ICM-2018), Rio de Janeiro, Brazil, August 1-9, 2018.
S. Barik and G. Sahoo, On 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.
S. Barik, On graphs with simply structured Laplacian eigenvectors, International Conference on Graph Theory and its Applications (ICGTA-2015), Amrita University, Coimbatore, India, December 16-19, 2015.
S. Barik, R. B. Bapat and S. Pati, Algebraic connectivity and characteristic set
of product graphs, International Conference on Linear Algebra and Applications,
Manipal University, Mangalore, December 18-20, 2014.
S. Barik, R. B. Bapat and S. Pati, On the Laplacian spectra of product graphs,
International Congress of Mathematicians (ICM-2014), Seoul, Korea, August 13-21,
2014.
S. Barik, On graph products and the resulting Laplacian spectra, Western Canada
Linear Algebra Meeting, Manitoba, Canada, May 30-31, 2008.
Academic Honors & Awards
ICM Travel Grant-2018 from National Board for Higher Mathematics, 2018
Postdoctoral Fellowship from University of Regina, Saskatchewan, Canada, 2008
Postdoctoral Fellowship from Indian Statistical Institute, India, 2007
Qualified JRF (with NET), in Mathematical Sciences by CSIR, India, 2002
Qualified GATE in Mathematical Sciences, 2002
University First Rank Holder and the GOLD MEDALIST in Masters Degree, Utkal University, Bhaubaneswar, India, 2001
University Fourth Rank Holder in Bachelors Degree, Utkal University, Bhaubaneswar, India, 1999
Degree awarded - 1, Continuing - 3
Professional Experience
Associate Professor, Indian Institute of Technology Bhubaneswar, Oct 2018 - Continuing
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
Membership of professional bodies
Member of American Mathematical Society
Member of Society for Industrial and Applied Mathematics (SIAM)
Member of Orissa Mathematical Society
Sponsored projects
Project Title: Spectra of graphs and their applications to complex networks
MATRICS research grant (Mathematical Research Impact Centric Support), from SERB, DST
Duration: 2018-21
Project Title: Laplacian spectra of product graphs
Career Opportunities in Mathematics, IWM Workshop-2018, NISER, Bhubaneswar, October 27-28, 2018.
On the Spectra of Multidigraphs, Department of Mathematics, IIT Delhi, March 19, 2018.
On graphs with simply structured Laplacian eigenvectors, International Conference on Graph Theory and its Applications (ICGTA-2015), Amrita University, Coimbatore, India, December 16-19, 2015.
Reviewing/ refereeing for the journals:
Linear Algebra and its Applications
Linear and Multilinear Algebra
Electronic Journal of Linear Algebra
Discrete Applied Mathematics
Applicable Analysis and Discrete Mathematics
International Electronic Journal of Algebra
Indian Journal of Pure and Applied Mathematics
Indian Journal of Discrete Mathematics
Research Guidance
Ph.D. Students:
Gopinath Sahoo:Eigensystems of graphs and multidigraphs (Awarded in July 2018). Currently, working as a Postdoctoral Fellow in Indian Statistical Institute, Delhi
Sonu Rani: Joined in July 2014 (Continuing). Currently, working as an Assistant Professor under Haryana Public Service Commission.
Sane Umesh Reddy: Joined in July 2018 (Continuing)
Subhashis Behera: Joined in July 2018 (Continuing)
Summer Intern:
2019: Om Adarsh, Distance Magic Graphs, Integrated MSc student, IISER Pune
M.Sc. Students (M.Sc. Project & Thesis):
2019-20
Rajiv Mishra
Puran Kumar
Piyush Verma
2018-19
Sattick Ghosh: Inverses of Graphs (Currently, pursuing Ph.D in IIT Bhubaneswar in the area of Combinatorial Matrix Theory)
Sudipta Ghosh: Onp-Spectral Radius of Graphs (Currently, pursuing M.Tech. in Indian Statistical Institute Kolkata)
2017-18
Divyanshu Vashistha: Squared Distance Matrix of a Tree
Shirshendu Pan:Graphs with Reciprocal Eigenvalue Property (Currently, working as a Developer in R&D, Tata Consultancy Services)
Smriti Pandey: Integral Graphs
2016-17
Amit Kumar: Relation Between Energy and Laplacian Energy of a Graph
Saheb Dalapati: The Energy of a Graph (Currently, working as a Faculty (Graph Theory) in St. Theresa International College, Thailand)
2015-16
Diksha Tiwari: A Study on the Laplacian Spectra and the Distance Spectra of Graphs with Pockets (Currently, a Doctoral Student in University of Vienna, Austria, working in the area "Applications of Generalized Smooth Functions)
Sumit: Bottleneck Matrices of Graphs ( Currently, pursuing Ph.D in IIT Roorkee in the area of " Control Theory and Inverse Problems")
MD Shahir Mollick: A Study on Homomorphisms of Signed Graphs (Currently, working as an Assistant Professor in Nalanda College of Engineering, Patna)
2014-15
AQIB: Algebraic Connectivity of Graphs (Currently, pursuing M.Tech. in "Computer Science and Data Processing" at IIT Kharagpur)
Churni Gupta: On Hadamard Diagonalizable Graphs (Currently, a Graduate Student in University of Florida, USA, working in the area of "Combinatorics: Permutation Patterns")
Courses Taught/Teaching
Autumn 2019: Mathematics I (B.Tech 1st Semester), Discrete Mathematics (M.Sc. 1st Semester), Algebraic Graph Theory (M.Sc/Ph.D)
Spring 2019: Mathematics II (B.Tech. 2nd Semester), Number Theory (M.Sc. 4th Semester)