42 results on '"Das, Kinkar Ch."'
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2. A CONJECTURE ON ALGEBRAIC CONNECTIVITY OF GRAPHS
3. Normalized Laplacian eigenvalues with chromatic number and independence number of graphs.
4. On distance Laplacian and distance signless Laplacian eigenvalues of graphs.
5. On the second largest normalized Laplacian eigenvalue of graphs.
6. On (distance) Laplacian energy and (distance) signless Laplacian energy of graphs.
7. Proof of conjecture involving algebraic connectivity and average degree of graphs.
8. On Two Conjectures of Spectral Graph Theory.
9. INVERSE DEGREE, RANDIĆ INDEX AND HARMONIC INDEX OF GRAPHS.
10. Some spectral bounds for the harmonic matrix.
11. Maximum Laplacian energy of unicyclic graphs.
12. Remoteness and distance eigenvalues of a graph.
13. Distribution of Laplacian eigenvalues of graphs.
14. Eigenvalues of the k-th power of a graph.
15. Characterization of extremal graphs from distance signless Laplacian eigenvalues.
16. On energy of line graphs.
17. Extremal Laplacian energy of threshold graphs.
18. On energy and Laplacian energy of bipartite graphs.
19. Bounds on the entries of the principal eigenvector of the distance signless Laplacian matrix.
20. On Laplacian energy in terms of graph invariants.
21. Characterization of extremal graphs from Laplacian eigenvalues and the sum of powers of the Laplacian eigenvalues of graphs.
22. Proof of conjectures on the distance signless Laplacian eigenvalues of graphs.
23. Upper bounds on the (signless) Laplacian eigenvalues of graphs.
24. On Laplacian energy of graphs.
25. On the Laplacian-energy-like invariant.
26. On sum of powers of the Laplacian eigenvalues of graphs.
27. Proof of conjectures involving algebraic connectivity of graphs
28. Laplacian eigenvalues of the second power of a graph
29. Proof of conjectures on adjacency eigenvalues of graphs
30. Comparison between Kirchhoff index and the Laplacian-energy-like invariant
31. Proof of conjectures involving the largest and the smallest signless Laplacian eigenvalues of graphs
32. Proof of conjecture involving the second largest signless Laplacian eigenvalue and the index of graphs
33. Extremal graph characterization from the bounds of the spectral radius of weighted graphs
34. On conjectures involving second largest signless Laplacian eigenvalue of graphs
35. Improved upper and lower bounds for the spectral radius of digraphs
36. On the Estrada index conjecture
37. A sharp upper bound on the spectral radius of weighted graphs
38. A Sharp Upper Bound for the Number of Spanning Trees of a Graph.
39. The Largest Two Laplacian Eigenvalues of a Graph.
40. Sharp lower bounds on the Laplacian eigenvalues of trees
41. A characterization on graphs which achieve the upper bound for the largest Laplacian eigenvalue of graphs
42. The spectral characterization of butterfly-like graphs.
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