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Lower bounds for Estrada index and Laplacian Estrada index |
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| Authors: | Hamidreza Bamdad Firouzeh Ashraf Ivan Gutman |
| Institution: | 1. Department of Science, Payame Noor University (P.N.U.), Iran;2. Department of Mathematics, University of Isfahan, Isfahan 81746–73441, Iran;3. Faculty of Science, University of Kragujevac, P. O. Box 60, 34000 Kragujevac, Serbia |
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