Chandra Das, Kinkar; Bakaein, Samane; Tavakoli, Mostafa; Rahbarnia, Freydoon; Ashraf, Alireza List coloring under some graph operations. (English) Zbl 1513.05147 Kragujevac J. Math. 46, No. 3, 417-431 (2022). MSC: 05C15 05C76 PDFBibTeX XMLCite \textit{K. Chandra Das} et al., Kragujevac J. Math. 46, No. 3, 417--431 (2022; Zbl 1513.05147) Full Text: Link
Sun, Shaowei; Das, Kinkar Ch. On the second largest normalized Laplacian eigenvalue of graphs. (English) Zbl 1428.05205 Appl. Math. Comput. 348, 531-541 (2019). MSC: 05C50 15A18 05C05 PDFBibTeX XMLCite \textit{S. Sun} and \textit{K. Ch. Das}, Appl. Math. Comput. 348, 531--541 (2019; Zbl 1428.05205) Full Text: DOI