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Indian Institute of Technology Kharagpur India Masters
Indian Institute of Technology Kharagpur India Ph.D.
July 2017-July 2018, Postdoctoral Fellow, Stat-Math Unit, Indian Statistical Institute | Delhi Centre, New Delhi, 110 016, India
Distance and Distance Signless Laplacian Spectra of Graphs.
Spectra of Resistance matrices of Graph.
Eigenvalue Localisation Problem.
Awards & Fellowships
2010-2012, Institute MSc Fellowship, Indian Institute of Technology Kharagpur
2012-2017, Institute PhD Fellowship, Indian Institute of Technology Kharagpur
2017-2018, Institute Postdoctoral Fellowship, Indian Statistical Institute, Delhi Center.
2017, National Postdoctoral Fellowship, Department of Science and Technology, Govt. of India.
2018, NBHM Postdoctoral Fellowship, National Board of Higher Mathematics, India
Journal Papers [SCI/SCIE]
On the distance spectrum of distance regular graph, Atik and P. Panigrahi, Linear Algebra and its Applications., Vol 478, 256-273, 2015.
Graphs with few distinct distance eigenvalues irrespective of the diameters, Atik and P. Panigrahi, Electronic Journal of Linear Algebra, F. Atik and P. Panigrahi, Vol 29, 194-205, 2016.Spectral radius of power graphs on certain finite groups, S. Chattopadhyay, P. Panigrahi and Atik, Indagationes Mathematicae, Vol 29, 730-737, 2018.
On the distance and distance signless Laplacian eigenvalues of graphs and the smallest Gersgorin disc, Atik and P. Panigrahi, Electronic Journal of Linear Algebra, Vol 34, 191-204, 2018.
Bounds on the maximal and minimal entries of the $p$-norm normalized principal eigenvector of the distance matrix of graphs, Atik and P. Panigrahi, Graphs and Combinatorics, Vol 34, 1019-1035, 2018.
Identities for minors of the Laplacian, resistance and distance matrices of graphs with arbitrary weights, P. Ali, Atik and R. B. Bapat, Linear and Multilinear Algebra, DOI:10.1080/03081087.2018.1505822
Distance spectral radius of k-partitioned transmission regular graph, Atik and P. Panigrahi, Lecture Notes in Computer Science, Vol 9602, 26-36,(2016).